Making the Invisible Visible: Negotiating (In)Visibility and Transparency for LGBT Issues in Education

Science.gov (United States)

Reilly, Cole

2007-01-01

Historically, schooling has been a point of contention and restless agitation for many lesbian, gay, bisexual, and transgender (LGBT) individuals in North America who may feel trapped in prisons of invisibility. Traditionally, queer people's existence in educational settings has been denied or made invisible, not just physically (in school…

Performing Belonging, celebrating invisibility?

DEFF Research Database (Denmark)

Juul, Kristine

2014-01-01

Serbian migrants living transnational lives consciously or unconsciously move between visibility and invisibility in their performance of migrant success stories. A case in point are public festivals, performed to make visible migrants’ successful inclusion in Danish society, i.e. celebrating...... invisibility. Meanwhile, other celebrations are consciously relegated to the invisible confines of the Serbian homeland. This article analyses celebrations in Denmark and in Serbia and shows how visible displays of ethnicity and difference tend to turn into easily palatable heritage versions of Serbian culture...... when performed in a Danish context. In turn, the visibility acquired through celebrations of migrants’ belonging in their homeland is inclined to render invisible those who did not take part in the migration experience....

Visible Fists, Clandestine Kicks, and Invisible Elbows: Three Forms of Regulating Neoliberal Poverty

Directory of Open Access Journals (Sweden)

Javier Auyero

2010-10-01

Full Text Available Argentina In a preliminary attempt to understand the daily production of poor people’s subordination in contemporary Argentina, this paper explores the workings of overt and covert forms of state violence against the urban destitute and of more subtle modes of domination. Attention to the simultaneous operation of what this paper calls visible fists, clandestine kicks, and invisible elbows in the daily life of the dispossessed serves to a better integrate violence into the study of popular politics, and b cast light on the productive (and not merely repressive nature of state power.   Resumen: Puños visibles, patadas clandestinas y codos invisibles: tres formas de regulación de la pobreza neoliberal En un acercamiento preliminar a la producción cotidiana de la subordinación de los pobres urbanos en la Argentina contemporánea, este artículo explora las formas abiertas y encubiertas de violencia estatal contra los más destituidos y las modalidades más sutiles de dominación. Una atención simultánea a lo que el artículo denomina puños visibles, patadas clandestinas, y codos invisibles en la vida cotidiana de los desposeídos es útil a los efectos de: a integrar la violencia en el estudio de la política popular, y b iluminar la naturaleza productiva (y no meramente represiva del poder estatal.

Invisibility & Interpretation

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Michael eHerzog

2014-09-01

Full Text Available Invisibility is often thought to occur because of the low-level limitations of the visual system. For example, it is often assumed that backward masking renders a target invisible because the visual system is simply too slow to resolve the target and the mask separately. Here, we propose an alternative explanation in which invisibility is a goal rather than a limitation and occurs naturally when making sense out of the plethora of incoming information. For example, we present evidence that (invisibility of an element can strongly depend on how it groups with other elements. Changing grouping changes visibility. In addition, we will show that features often just appear to be invisible but are in fact visible in a way the experimenter is not aware of.

Social Class (In)Visibility and the Professional Experiences of Middle-Class Novice Teachers

Science.gov (United States)

Hall, David; Jones, Lisa

2013-01-01

This article focuses upon the classed and early professional experiences of middle-class novice teachers in England experiencing and contemplating working in schools serving socio-economically disadvantaged communities. Through an examination of the visibility and invisibility of social class in education set within an increasingly unequal and…

Making the Invisible Visible: Engaging Elementary Preservice Teachers in Science and Literacy Connections

Science.gov (United States)

Gwekwerere, Yovita; Buley, Jan

2011-01-01

Picture books can be used to teach children to infer, hypothesise, question, identify, explain and compare. By making the "invisible visible" preservice teachers in Canada explored ways to enhance the development of critical science and literacy skills through the creation of picture books in collaboration with students in Grades 5 and…

L’ICÔNE : L’IMAGE ET L’INVISIBLE (Icon: The Image and the Invisible

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Veronica Cibotaru

2015-06-01

Full Text Available An icon is part of the visible world, moreover, of things that are visible in a second degree. It is not only a sensitive thing, but a sensitive image of a sensitive entity. As an eikon, it is located in a platonic sense among the lowest degree of the doxa, and within the lowest degree of the scale of being. However it is not a simple sensitive and illusory representation of God, such as one criticized from a Kantian point of view. The profound sense of an icon lies in its opening towards the invisible. An icon tries to capture the invisible. How is this meeting point of the visible and the invisible entangled? Can an icon really allow us to “see” the invisible or is it only a profanation of the invisible? It is my aim to analyze those questions in the following article.

Visibility and Invisibility: the Work of Women

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Patricia Alejandra Collado

2009-01-01

Full Text Available The crisis of employment, combined with theories about the end of work, place labor at the center of the agenda. Given this situation, it is found that debates around labor in general (its productive and reproductive spheres, its relation with employment and the visible and invisible forms of conducting work have been approached by one of the most neglected traditions of social thinking: feminism. Feminist thinkers have questioned the meaning of work and non-work in relation to the constant increase of the participation of women in the labor market. Although feminist proposals have different levels of analysis and emphasis, it is necessary to return to their unique production, in order to unveil the situation of greater exploitation and oppression, of workers in general and in particular of women. This situation is facilitated by the apparent “invisibilization” or by the loss of the centrality of labor.

Sexual Violence, Race and Media (InVisibility: Intersectional Complexities in a Transnational Frame

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Vrushali Patil

2015-08-01

Full Text Available Intersectional scholarship argues that women of color have distinct experiences of rape compared to white women and highlights their relative invisibility as victims compared to white women victims in news media. While the bulk of intersectional work has examined such issues within one nation and particularly within the US, in an era of increasingly transnationalized media content, we explore such intersectionalities in a transnational frame. That is, we explore the treatment of the rape of a local Indian woman in New Delhi, India, and the rape of a white woman in Steubenville, USA, in the New York Times and the Times of India. We find that contra assumptions in the intersectional literature, the racialized Indian victim is hyper-visible across both papers while the white US victim is relatively invisible. Situating both newspapers within the global histories of the development of news as a particular genre of storytelling, we argue that their respective locations within larger processes shaped by colonial, imperial and neo-colonial histories have critical implications for the coverage each paper offers. Thus, we argue that issues of race and visibility in media operate very differently depending on the space and scale of analysis. In an increasingly globalized world, then, we must start paying attention to the transnational and its implications for rape, race and (invisibility in news media. Ultimately, our approach brings together processes of racialization at multiple scales—both below the nation and above the nation—to offer a more complex, multi-scalar understanding of how racialization processes impact rape coverage.

Visible and invisible displacement with dynamic visual occlusion in bottlenose dolphins (Tursiops spp).

Science.gov (United States)

Johnson, Christine M; Sullivan, Jess; Buck, Cara L; Trexel, Julie; Scarpuzzi, Mike

2015-01-01

Anticipating the location of a temporarily obscured target-what Piaget (the construction of reality in the child. Basic Books, New York, 1954) called "object permanence"-is a critical skill, especially in hunters of mobile prey. Previous research with bottlenose dolphins found they could predict the location of a target that had been visibly displaced into an opaque container, but not one that was first placed in an opaque container and then invisibly displaced to another container. We tested whether, by altering the task to involve occlusion rather than containment, these animals could show more advanced object permanence skills. We projected dynamic visual displays at an underwater-viewing window and videotaped the animals' head moves while observing these displays. In Experiment 1, the animals observed a small black disk moving behind occluders that shifted in size, ultimately forming one large occluder. Nine out of ten subjects "tracked" the presumed movement of the disk behind this occluder on their first trial-and in a statistically significant number of subsequent trials-confirming their visible displacement abilities. In Experiment 2, we tested their invisible displacement abilities. The disk first disappeared behind a pair of moving occluders, which then moved behind a stationary occluder. The moving occluders then reappeared and separated, revealing that the disk was no longer behind them. The subjects subsequently looked to the correct stationary occluder on eight of their ten first trials, and in a statistically significant number of subsequent trials. Thus, by altering the stimuli to be more ecologically valid, we were able to show that the dolphins could indeed succeed at an invisible displacement task.

The lived experience of parenting a child with autism in a rural area: making the invisible, visible.

Science.gov (United States)

Hoogsteen, Lindsey; Woodgate, Roberta L

2013-01-01

This qualitative study explored the lived experiences of parents parenting a child with autism while living in a rural area. The philosophy of hermeneutic phenomenology was used to guide this inquiry, and interviews of 26 families served as primary data. Thematic statements were isolated using van Manen's (1990) selective highlighting approach. "Making the invisible, visible" emerged as the essence of the parents' experience. Parents shared that although autism was an invisible disability, they in fact made it visible in their constant battles to ensure their child received the best quality of life. The major themes of this essence included a) he's not the Rain Man, b) society's lack of knowledge and understanding, and c) doing it on our own. Findings from this study may be used to guide program development that is concerned with improving the quality of life of families of children with autism living in rural areas.

(In)Visible Hand(s)

OpenAIRE

Predrag Zima

2007-01-01

In this paper, the author discusses the regulatory role of the state and legal norms, in market economy, especially in so-called transition countries. Legal policy, and other questions of the state and free market economy are here closely connected, because the state must ensure with legal norms that economic processes are not interrupted: only the state can establish the legal basis for a market economy. The free market’s invisible hand is acting in questions such as: what is to be produced,...

Invisible and scrutinized bodies

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Léopold Lambert

2015-03-01

Full Text Available The following text will attempt to demonstrate that both processes that aim at making bodies either invisible or, on the contrary, hyper-visible operates through the same mechanisms of a productive politics of visibility.

Witnessing violence: making the invisible visible.

Science.gov (United States)

Holton, J K

1995-01-01

In his novel of Black life circa the 1950s, Invisible Man, Ralph Ellison laid bare the wasteful, destructive societal consequences of racism. At the close of the 20th century, we are faced with the phenomenon of another social problem, likewise unresolved and likely to haunt us similarly: urban violence. Following Ellison's example, this paper seeks to explore the impact of violence's stark invisibility by discussing a research strategy that better explains the terrifying phenomenon of violence. In order to comprehend the totality of violence, macro- and micro-level variables have to be introduced into the research design and measured over time. Therefore, research might best address violence if it was designed to include variables of poverty and racism, and was more inclusive of research from a broader range of scientific disciplines.

Etre visible, devenir invisible et la capacité de voir. Ľ migration rom comme événement politique

Czech Academy of Sciences Publication Activity Database

Kouba, Petr

-, č. 203/204 (2017), s. 139-159 ISSN 0018-4306 R&D Projects: GA ČR(CZ) GA16-23046S Institutional support: RVO:67985955 Keywords : visibility * invisibility * event * power of the powerless Subject RIV: AA - Philosophy ; Religion OBOR OECD: Philosophy, History and Philosophy of science and technology

[The (in)visibility of psychological family violence in childhood and adolescence].

Science.gov (United States)

Abranches, Cecy Dunshee de; Assis, Simone Gonçalves de

2011-05-01

Psychological family violence in childhood and adolescence is still poorly studied, due to difficulties in its definition and detection. This article aims to examine how psychological family violence reported by children and adolescents has been addressed in academic studies, using a literature review (LILACS, MEDLINE, SciELO, PubMed, CAPES Portal, PsycINFO, and SCOPUS databases). Among 51 epidemiological studies, 16 articles met the review's objectives; some of the articles reported a high prevalence of such violence. The study showed that the issue has been studied more in the international literature than in Brazil, which has significantly increased its visibility in the last decade but still faces difficulties involving definition, conceptualization, and operationalization. Eliminating the invisibility of psychological violence in the family could help promote prevention of such violence and protection of children and adolescents.

Toward making the invisible visible: Studying science teaching self-efficacy beliefs

Science.gov (United States)

Perkins, Catherine J.

This dissertation consists of two articles to be submitted for publication. The first, a literature review, makes visible common influences on science teaching self-efficacy beliefs and also points to potentially invisible validation concerns regarding the instrument used. The second investigates the participants' invisible science teaching self-efficacy beliefs and, through the use of a more focused interview, makes those beliefs visible. Science teaching self-efficacy beliefs are science teachers' perceptions of their abilities to teach science effectively. The construct "teaching self-efficacy" originated in social cognitive theory (Bandura, 1977). The first article reviews the mixed results from teaching self-efficacy research in science contexts. The review focuses upon factors that facilitate or inhibit the development of self-efficacy beliefs among science teachers across stages of their careers. Although many studies of science teaching self-efficacy beliefs have utilized the Science Teaching Efficacy Belief Instrument - STEBI (Enochs & Riggs, 1990; Riggs & Enochs, 1990), this review also includes non-STEBI studies in order to represent diverse lines of research methodology. The review's findings indicate that antecedent factors such as science activities in and out of school, teacher preparation, science teaching experiences and supportive job contexts are significant influences on the development of science teaching self-efficacy beliefs. The review also indicates that the majority of these studies are short term and rely on a single STEBI administration with the collection of antecedent/demographic and/or interview data. The second article documents a study that responded to the above literature review findings. This study utilized multiple STEBI administrations during the preservice and beginning year of teaching for two science teachers. Rather than general questions, these participants were asked item specific, yet open-ended, questions to determine

Visible technologies, invisible organisations: An empirical study of public beliefs about electricity supply networks

International Nuclear Information System (INIS)

Devine-Wright, Patrick; Devine-Wright, Hannah; Sherry-Brennan, Fionnguala

2010-01-01

Reducing carbon emissions in the energy system poses significant challenges to electricity transmission and distribution networks. Whilst these challenges are as much social as economic or technical, to date few research studies have investigated public beliefs about electricity supply networks. This research aimed to address this gap by means of a nationally representative study of UK adults (n=1041), probing beliefs about how electricity reaches the home, responsibility for electricity supply, associations with the words 'National Grid', as well as beliefs about the planning of new infrastructure. Findings suggest that electricity networks are represented predominantly in terms of technologies rather than organisations, specifically in terms of familiar, visible components such as cables or wires, rather than more systemic concepts such as networks. Transmission and distribution network operators were largely invisible to members of the public. In terms of planning new lines, most respondents assumed that government ministers were involved in decision-making, while local residents were widely perceived to have little influence; moreover, there was strong public support for placing new power lines underground, regardless of the cost. In conclusion, organisational invisibility, coupled with low expectations of participatory involvement, could provoke public opposition and delay siting new network infrastructure.

Harlequin, Holberg and the (in)visible masks

DEFF Research Database (Denmark)

Holm, Bent

1998-01-01

A reading of Holberg's harquinades "Ulysses Von Itacia" and "The Invisibles" placed in a context of European grotesque theatre with a specific regard to the texts relation to respectively older and newer French-Italian masque theatre. The analysis suggeststhat the first text is in perfect accorda...

Invisible fat on CT: making it visible by MRI.

Science.gov (United States)

Ünal, Emre; Karaosmanoğlu, Ali Devrim; Akata, Deniz; Özmen, Mustafa Nasuh; Karçaaltıncaba, Muşturay

2016-01-01

Presence of fat in a lesion significantly narrows the differential diagnosis. Small quantities of macroscopic fat and intracellular fat are invisible on computed tomography (CT) and ultrasonography. Magnetic resonance imaging (MRI) can reveal any fatty change in a lesion and can also differentiate macroscopic fat from intracellular and intravoxel fat. Hypodensity on CT may be a sign of invisible fat and MRI can help to diagnose even minute amounts of fat in liver, pancreas, adrenal, musculoskeletal, and omental pseudolesions and lesions. This article will review the superiority of MRI over CT in demonstrating fat in abdominal lesions.

Eagle-i: Making Invisible Resources, Visible

Science.gov (United States)

Haendel, M.; Wilson, M.; Torniai, C.; Segerdell, E.; Shaffer, C.; Frost, R.; Bourges, D.; Brownstein, J.; McInnerney, K.

2010-01-01

RP-134 The eagle-i Consortium – Dartmouth College, Harvard Medical School, Jackson State University, Morehouse School of Medicine, Montana State University, Oregon Health and Science University (OHSU), the University of Alaska, the University of Hawaii, and the University of Puerto Rico – aims to make invisible resources for scientific research visible by developing a searchable network of resource repositories at research institutions nationwide. Now in early development, it is hoped that the system will scale beyond the consortium at the end of the two-year pilot. Data Model & Ontology: The eagle-i ontology development team at the OHSU Library is generating the data model and ontologies necessary for resource indexing and querying. Our indexing system will enable cores and research labs to represent resources within a defined vocabulary, leading to more effective searches and better linkage between data types. This effort is being guided by active discussions within the ontology community (http://RRontology.tk) bringing together relevant preexisting ontologies in a logical framework. The goal of these discussions is to provide context for interoperability and domain-wide standards for resource types used throughout biomedical research. Research community feedback is welcomed. Architecture Development, led by a team at Harvard, includes four main components: tools for data collection, management and curation; an institutional resource repository; a federated network; and a central search application. Each participating institution will populate and manage their repository locally, using data collection and curation tools. To help improve search performance, data tools will support the semi-automatic annotation of resources. A central search application will use a federated protocol to broadcast queries to all repositories and display aggregated results. The search application will leverage the eagle-i ontologies to help guide users to valid queries via auto

Les effets des hyperliens visibles ou invisibles sur l'acquisition lexicale et sur la compréhension en lecture chez des apprenants intermédiaires et avancés en langue étrangère Effects of Visible and Invisible Hyperlinks on Vocabulary Acquisition and Reading Comprehension for High- and Average-Foreign Language Achievers

Directory of Open Access Journals (Sweden)

Ofelia R. Nikolova

2004-12-01

Full Text Available Cet article est consacré à l'étude des effets des hyperliens visibles et invisibles pour les mots annotés dans un environnement informatique centré sur l'acquisition de vocabulaire et la compréhension en lecture pour deux types d'apprenants, intermédiaires et avancés, en français. Deux cent soixante-quatre étudiants de français de deuxième semestre ont été identifiés comme intermédiaires ou avancés. Les étudiants de chaque type ont été ensuite assignés par tirage au sort en deux groupes ; un groupe utilisant des liens visibles et un autre des liens invisibles. Tous les étudiants ont reçu pour instruction de lire un court passage en français (181 mots dans un but de compréhension générale. Les étudiants ont reçu également la permission de consulter à loisir tous les mots annotés (marqués par des caractères gras pour le groupe avec liens visibles. Les apprenants ont été soumis à un prétest de vocabulaire et à des post-tests, immédiats et différés de deux semaines, de vocabulaire et de compréhension en lecture. Les résultats de l'étude ont démontré que les apprenants intermédiaires bénéficient mieux des liens visibles en ce qui concerne leur acquisition de vocabulaire et leur compréhension en lecture que les apprenants avancés. Ces résultats sont discutés dans le cadre des théories de l'apprentissage des langues secondes et des apprenants doués. Des suggestions de pistes pour des recherches futures sont proposées.This study investigated the effects of visible and invisible links for annotated words in a computer module for learning French on the vocabulary acquisition and reading comprehension of two types of students – high – and average-achievers. Two hundred and sixty four second-semester students of French were identified as high- or average-achievers. Each type of students was then randomly assigned to two groups – with visible or invisible hyperlinks. All students were instructed

An ultrathin invisibility skin cloak for visible light.

Science.gov (United States)

Ni, Xingjie; Wong, Zi Jing; Mrejen, Michael; Wang, Yuan; Zhang, Xiang

2015-09-18

Metamaterial-based optical cloaks have thus far used volumetric distribution of the material properties to gradually bend light and thereby obscure the cloaked region. Hence, they are bulky and hard to scale up and, more critically, typical carpet cloaks introduce unnecessary phase shifts in the reflected light, making the cloaks detectable. Here, we demonstrate experimentally an ultrathin invisibility skin cloak wrapped over an object. This skin cloak conceals a three-dimensional arbitrarily shaped object by complete restoration of the phase of the reflected light at 730-nanometer wavelength. The skin cloak comprises a metasurface with distributed phase shifts rerouting light and rendering the object invisible. In contrast to bulky cloaks with volumetric index variation, our device is only 80 nanometer (about one-ninth of the wavelength) thick and potentially scalable for hiding macroscopic objects. Copyright © 2015, American Association for the Advancement of Science.

THE VISIBLE HAND? THE ECONOMICS OF ALFRED CHANDLER

Directory of Open Access Journals (Sweden)

Don Matthews

2000-01-01

Full Text Available In his great work The Visible Hand: The Managerial Revolution in American Business, Alfred Chandler argues that the modern managerial enterprise replaced the invisible hand of the market in coordinating the activities and allocating the resources of the U.S. economy. But Chandler’s view of the invisible hand of the market is much too narrow. The modern managerial enterprise is not a substitute for the invisible hand of the market but an integral part of it. The Visible Hand is actually a history of the invisible hand of the market.

Group study of an "undercover" test for visuospatial neglect: invisible cancellation can reveal more neglect than standard cancellation.

Science.gov (United States)

Wojciulik, E; Rorden, C; Clarke, K; Husain, M; Driver, J

2004-09-01

Visual neglect is a relatively common deficit after brain damage, particularly strokes. Cancellation tests provide standard clinical measures of neglect severity and deficits in daily life. A recent single-case study introduced a new variation on standard cancellation. Instead of making a visible mark on each target found, the patient made invisible marks (recorded with carbon paper underneath, for later scoring). Such invisible cancellation was found to reveal more neglect than cancellation with visible marks. Here we test the generality of this. Twenty three successive cases with suspected neglect each performed cancellation with visible or invisible marks. Neglect of contralesional targets was more pronounced with invisible marks. Indeed, about half of the patients only showed neglect in this version. For cases showing more neglect with invisible marks, stronger neglect of contralesional targets correlated with more revisits to ipsilesional targets for making additional invisible marks upon them. These results indicate that cancellation with invisible marks can reveal more neglect than standard cancellation with visible marks, while still providing a practical bedside test. Our observations may be consistent with recent proposals that demands on spatial working memory (required to keep track of previously found items only when marked invisibly) can exacerbate spatial neglect.

Whiteness and Ethnocentric Monoculturalism: Making the "Invisible" Visible

Science.gov (United States)

Sue, Derald Wing

2004-01-01

Whiteness and ethnocentric monoculturalism are powerful and entrenched determinants of worldview. Because they are invisible and operate outside the level of conscious awareness, they can be detrimental to people of color, women, and other marginalized groups in society. Both define a reality that gives advantages to White Euro American males…

Visible Voices: Literacy Identity and the Invisible Homeless

Science.gov (United States)

Juchniewicz, Melissa M.

2012-01-01

Despite calls for increased awareness of and sensitivity to diverse students and their in- and out-of-school literacies, the "invisible homeless"--those who often decline to self-identify--receive inadequate scholarly attention. They are often individuals who fear the stigma associated with homelessness as they navigate workplace, academic, and…

Invisible marker based augmented reality system

Science.gov (United States)

Park, Hanhoon; Park, Jong-Il

2005-07-01

Augmented reality (AR) has recently gained significant attention. The previous AR techniques usually need a fiducial marker with known geometry or objects of which the structure can be easily estimated such as cube. Placing a marker in the workspace of the user can be intrusive. To overcome this limitation, we present an AR system using invisible markers which are created/drawn with an infrared (IR) fluorescent pen. Two cameras are used: an IR camera and a visible camera, which are positioned in each side of a cold mirror so that their optical centers coincide with each other. We track the invisible markers using IR camera and visualize AR in the view of visible camera. Additional algorithms are employed for the system to have a reliable performance in the cluttered background. Experimental results are given to demonstrate the viability of the proposed system. As an application of the proposed system, the invisible marker can act as a Vision-Based Identity and Geometry (VBIG) tag, which can significantly extend the functionality of RFID. The invisible tag is the same as RFID in that it is not perceivable while more powerful in that the tag information can be presented to the user by direct projection using a mobile projector or by visualizing AR on the screen of mobile PDA.

The Visible and the Invisible: Mathematics as Revelation

Science.gov (United States)

Roth, Wolff-Michael; Maheux, Jean-François

2015-01-01

Mathematics educators have shown increasing interest in theorizing knowing and learning as something alive or as something that comes alive through the involvement of the body. Almost all current efforts attempt doing so by focusing on the body in which the otherwise invisible living being exhibits itself, thereby failing to consider everything…

Making the invisible visible: gender, data, and evidence for ...

International Development Research Centre (IDRC) Digital Library (Canada)

2017-11-30

Nov 30, 2017 ... ... research projects play a critical role in reducing the invisibility gap. Thinking about gender and the related social categorizations such as class, ability, age, nation, and race when designing data collection and analysis tools ...

Revised constraints and Belle II sensitivity for visible and invisible axion-like particles

International Nuclear Information System (INIS)

Dolan, Matthew J.; Kahlhoefer, Felix

2017-09-01

Light pseudoscalars interacting pre-dominantly with Standard Model gauge bosons (so-called axion-like particles or ALPs) occur frequently in extensions of the Standard Model. In this work we review and update existing constraints on ALPs in the keV to GeV mass region from colliders, beam dump experiments and astrophysics. We furthermore provide a detailed calculation of the expected sensitivity of Belle II, which can search for visibly and invisibly decaying ALPs, as well as long-lived ALPs. The Belle II sensitivity is found to be substantially better than previously estimated, covering wide ranges of relevant parameter space. In particular, Belle II can explore an interesting class of dark matter models, in which ALPs mediate the interactions between the Standard Model and dark matter. In these models, the relic abundance can be set via resonant freeze-out, leading to a highly predictive scenario consistent with all existing constraints but testable with single-photon searches at Belle II in the near future.

ANALYSING THE RELATIONSHIP BETWEEN THE VISIBLE AND INVISIBLE COMPONENTS THAT CREATE ORGANIZATIONAL CULTURE

Directory of Open Access Journals (Sweden)

CRIVEANU MARIA MAGDALENA

2017-12-01

Full Text Available Recent studies have pointed to the fact that the non-financial indicators have become extremely important compared to the financial ones, consequenlty analyzing a company implies putting together a series of informations regarding the organizational climate. Therefore, analyzing the culture has a certain meaning because it shapes the environment where the activity takes place, but also some elements referring to the degrees of satisfaction or insatisfaction among the employees. The present study has as a main purpose the analysis of a Romanian private company, in order to stress out the degree of correlation and overlapping between the visible and the invisible cultural elements, i.e between what can be categorized as being typical of a company and what the employees regard as being typical of it. After having concluded the study, we will determine the probable disparities between what managers would like to introduce and what they will really put into practice within the company.

Revised constraints and Belle II sensitivity for visible and invisible axion-like particles

Energy Technology Data Exchange (ETDEWEB)

Dolan, Matthew J. [Melbourne Univ. (Australia). ARC Centre of Excellence for Particle Physics at the Terascale; Ferber, Torben [British Columbia Univ., Vancouver, BC (Canada). Dept. of Physics and Astronomy; Hearty, Christopher [British Columbia Univ., Vancouver, BC (Canada). Dept. of Physics and Astronomy; Institute of Particle Physics, Vancouver, BC (Canada); Kahlhoefer, Felix [Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); RWTH Aachen Univ. (Germany). Inst. for Theoretical Particle Physics and Cosmology; Schmidt-Hoberg, Kai [Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)

2017-09-15

Light pseudoscalars interacting pre-dominantly with Standard Model gauge bosons (so-called axion-like particles or ALPs) occur frequently in extensions of the Standard Model. In this work we review and update existing constraints on ALPs in the keV to GeV mass region from colliders, beam dump experiments and astrophysics. We furthermore provide a detailed calculation of the expected sensitivity of Belle II, which can search for visibly and invisibly decaying ALPs, as well as long-lived ALPs. The Belle II sensitivity is found to be substantially better than previously estimated, covering wide ranges of relevant parameter space. In particular, Belle II can explore an interesting class of dark matter models, in which ALPs mediate the interactions between the Standard Model and dark matter. In these models, the relic abundance can be set via resonant freeze-out, leading to a highly predictive scenario consistent with all existing constraints but testable with single-photon searches at Belle II in the near future.

The strong CP problem and the visibility of invisible axions

International Nuclear Information System (INIS)

Buchmueller, W.

1986-12-01

The main subject of these lectures are general properties of axions and recent suggestions of how to detect invisible axions. After a brief review of the strong CP problem and the Peccei-Quinn mechanism in sects. 2 and 3, we discuss axion properties by means of an effective lagrangian approach in sect. 4. Experimental bounds on axion production and decays are reviewed in sect. 5. Sect. 6 deals briefly with the recently proposed variant axion models, and in sect. 7 we discuss the possible relevance of supersymmetry to the strong CP problem. In sect. 8 we then review the different proposals for the detection of invisible axions. Some conclusions are given in sect. 9. (orig./HSI)

Visualisations en bibliothèques: comment rendre visible l’invisible

Directory of Open Access Journals (Sweden)

Coleta Vaisman

2014-04-01

��analyse de données s’appuyant sur la classification Dewey ("Making Visible the Invisible". S’appuyant sur des indicateurs et à partir de la création de vues d’ensemble, on découvre ce que lisent les lecteurs de la bibliothèque et aussi la manière dont ils lisent. Visual...Catalog, qui est un dispositif de visualisation des synoptiques graphiques développé d’abord à l’université Paris 8, puis à la bibliothèque d’Artois, permet de relier classes, notices et éléments conceptuels RAMEAU afin de visualiser le modèle conceptuel et favoriser une compréhension systémique [CHA 05, PAP 06]. Dans ces deux cas d’expérimentations innovantes, nous montrons comment la visualisation met à jour l’interaction entre le système et le contexte informationnel niveau micro (contenu des documents et macro, soit les caractéristiques de toute la collection des données, l'interconnexion et l'interdépendance de ses objets. La bibliothèque devient ainsi «un lieu où l'on apprend à apprendre et où s'élabore la transformation de l'information en savoir." (p.67, Rapport mondial de l'Unesco, «Vers les sociétés du savoir», Editions UNESCO, 2005

The Invisibility of Steam

Science.gov (United States)

Greenslade, Thomas B., Jr.

2014-01-01

Almost everyone "knows" that steam is visible. After all, one can see the cloud of white issuing from the spout of a boiling tea kettle. In reality, steam is the gaseous phase of water and is invisible. What you see is light scattered from the tiny droplets of water that are the result of the condensation of the steam as its temperature…

THE (INVISIBLE FACE: A THEORETICAL-ANALYTICAL EXERCISE WITH (VERBVISUAL MATERIALITY IN DISCOURSE ANALYSIS

Directory of Open Access Journals (Sweden)

Aracy ERNST-PEREIRA

2014-12-01

Full Text Available From the analysis of the front cover of the magazine Época – awarded the best Brazilian magazine cover of 2010 by the Associação Nacional dos Editores de Revista (ANER –, this article aims at a double goal: to propose a reflection on the image status within the Discourse Analysis based on Pêcheux’s theory and to develop an exercise in applying theoretical concepts to the verbal and visual materiality, chiefly those related to the discursive sequences (that we adapt to discursive sections and to the visual statements. With this goal in mind, we start at a the theoretical level from a conceptual proposition of conceiving of image with grounds on the principles of French Discourse Analysis and at an analytical level from the analysis of strangeness as a clue (as developed by Ernst-Pereira to problematize the image in its opacity, that is, by means of a game of visibilities and invisibilities formed by the conditions of production of the discourses that materialize in that image. In the present case, given its specificity, we still consider in theoretical and analytical terms reading of the image managed by the verbal dimension.

Illusory Speed is Retained in Memory during Invisible Motion

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Luca Battaglini

2013-05-01

Full Text Available The brain can retain speed information in early visual short-term memory in an astonishingly precise manner. We investigated whether this (early visual memory system is active during the extrapolation of occluded motion and whether it reflects speed misperception due to contrast and size. Experiments 1A and 2A showed that reducing target contrast or increasing its size led to an illusory speed underestimation. Experiments 1B, 2B, and 3 showed that this illusory phenomenon is reflected in the memory of speed during occluded motion, independent of the range of visible speeds, of the length of the visible trajectory or the invisible trajectory, and of the type of task. These results suggest that illusory speed is retained in memory during invisible motion.

LES DEUX NIVEAUX DE L’INVISIBLE DANS L’OEUVRE DE FRIDA KAHLO (The two levels of invisible in the work of Frida Kahlo

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Luca Molnár

2015-06-01

Full Text Available The aim of this study is to reveal the different levels of representation of invisible feelings in the work of Frida Kahlo. In order to express these feelings, in some paintings, the artist uses visible objects, such as tears – which become the first level of representation of the invisible. In other paintings, however, she uses internal organs of the human body to represent invisible pain or suffering. These organs are hidden from the eye and are therefore invisible. There are two categories within this second level: the first one consists of internal organs traditionally used to represent invisible feelings in the European culture, such as the skull. The second category embraces organs used especially by Frida, like the womb. The study observes how her life had made this physically broken, but mentally strong artist to cut open her own body to show it to the world, representing feelings that only a woman can feel, but nobody can see.

LE SENTIMENT, L’INVISIBLE DE LA PEINTURE À L’ÉPREUVE DU VISIBLE : LE COLORISME DE DELACROIX À TRAVERS LA CRITIQUE D’ART DE BAUDELAIRE (The sentiment, the invisible of the painting in the proof of the visible: the colourism of Delacroix through the art criticism of Baudelaire)

OpenAIRE

Katalin Bartha-Kovács

2015-01-01

The article aims to analyse, following the example of some paintings of Delacroix, how the “invisible part” of the painting (the sentiment, or feeling) can be made visible by the colour. To do this, we shall draw on the critical writings that Baudelaire devoted to the painting of Delacroix. At the same time, by focusing on the notion of sentiment, we shall try to connect, from a historical perspective, the colourist conception of the painting to the artistic theories of the Enlightenment, and...

Making Invisible Forces Visible

DEFF Research Database (Denmark)

Ratner, Helene Gad

2013-01-01

their 'true' attitudes and values. The paper draws on theories of affect as well as actor-network theory to analyse three incidents where managers turn their interpretations of teachers' emotions into such information. These incidents suggest that the efforts to render employees' attitudes and values visible...... install a normative emotional scale where an ideal employee displays emotional investment and self-control. This has implications, not only for employees who are expected to exhibit the 'right' emotions, but also for management, which comes to depend on transient emotions and co-presence in situations...

Invisible watermarking optical camera communication and compatibility issues of IEEE 802.15.7r1 specification

Science.gov (United States)

Le, Nam-Tuan

2017-05-01

Copyright protection and information security are two most considered issues of digital data following the development of internet and computer network. As an important solution for protection, watermarking technology has become one of the challenged roles in industry and academic research. The watermarking technology can be classified by two categories: visible watermarking and invisible watermarking. With invisible technique, there is an advantage on user interaction because of the visibility. By applying watermarking for communication, it will be a challenge and a new direction for communication technology. In this paper we will propose one new research on communication technology using optical camera communications (OCC) based invisible watermarking. Beside the analysis on performance of proposed system, we also suggest the frame structure of PHY and MAC layer for IEEE 802.15.7r1 specification which is a revision of visible light communication (VLC) standardization.

Influence of removal of invisible fixation on the saccadic and manual gap effect.

Science.gov (United States)

Ueda, Hiroshi; Takahashi, Kohske; Watanabe, Katsumi

2014-01-01

Saccadic and manual reactions to a peripherally presented target are facilitated by removing a central fixation stimulus shortly before a target onset (the gap effect). The present study examined the effects of removal of a visible and invisible fixation point on the saccadic gap effect and the manual gap effect. Participants were required to fixate a central fixation point and respond to a peripherally presented target as quickly and accurately as possible by making a saccade (Experiment 1) or pressing a corresponding key (Experiment 2). The fixation point was dichoptically presented, and visibility was manipulated by using binocular rivalry and continuous flash suppression technique. In both saccade and key-press tasks, removing the visible fixation strongly quickened the responses. Furthermore, the invisible fixation, which remained on the display but suppressed, significantly delayed the saccadic response. Contrarily, the invisible fixation had no effect on the manual task. These results indicate that partially different processes mediate the saccadic gap effect and the manual gap effect. In particular, unconscious processes might modulate an oculomotor-specific component of the saccadic gap effect, presumably via subcortical mechanisms.

The invisible Web uncovering information sources search engines can't see

CERN Document Server

Sherman, Chris

2001-01-01

Enormous expanses of the Internet are unreachable with standard web search engines. This book provides the key to finding these hidden resources by identifying how to uncover and use invisible web resources. Mapping the invisible Web, when and how to use it, assessing the validity of the information, and the future of Web searching are topics covered in detail. Only 16 percent of Net-based information can be located using a general search engine. The other 84 percent is what is referred to as the invisible Web-made up of information stored in databases. Unlike pages on the visible Web, informa

Exploring the invisible universe from black holes to superstrings

CERN Document Server

Baaquie, Belal E

2015-01-01

"Why"? Why is the world, the Universe the way it is? Is space infinitely large? How small is small? What happens when one continues to divide matter into ever smaller pieces? Indeed, what is matter? Is there anything else besides what can be seen? Pursuing the questions employing the leading notions of physics, one soon finds that the tangible and visible world dissolves — rather unexpectedly — into invisible things and domains that are beyond direct perception. A remarkable feature of our Universe is that most of its constituents turn out to be invisible, and this fact is brought out with great force by this book. Exploring the Invisible Universe covers the gamut of topics in advanced modern physics and provides extensive and well substantiated answers to these questions and many more. Discussed in a non-technical, yet also non-trivial manner, are topics dominated by invisible things — such as Black Holes and Superstrings as well as Fields, Gravitation, the Standard Model, Cosmology, Relativity, the O...

On measuring the masses of pair-produced semi-invisibly decaying particles at hadron colliders

International Nuclear Information System (INIS)

Tovey, Daniel R.

2008-01-01

A straightforward new technique is introduced which enables measurement at hadron colliders of an analytical combination of the masses of pair-produced semi-invisibly decaying particles and their invisible decay products. The new technique makes use of the invariance under contra-linear Lorentz boosts of a simple combination of the transverse momentum components of the aggregate visible products of each decay chain. In the general case where the invariant masses of the visible decay products are non-zero it is shown that in principle the masses of both the initial particles from the hard scattering and the invisible particles produced in the decay chains can be determined independently. This application is likely to be difficult to realise in practice however due to the contamination of the final state with ISR jets. The technique may be of most use for measurements of SUSY particle masses at the LHC, however the technique should be applicable to any class of hadron collider events in which heavy particles of unknown mass are pair-produced and decay to semi-invisible final states

LE SENTIMENT, L’INVISIBLE DE LA PEINTURE À L’ÉPREUVE DU VISIBLE : LE COLORISME DE DELACROIX À TRAVERS LA CRITIQUE D’ART DE BAUDELAIRE (The sentiment, the invisible of the painting in the proof of the visible: the colourism of Delacroix through the art criticism of Baudelaire

Directory of Open Access Journals (Sweden)

Katalin Bartha-Kovács

2015-06-01

Full Text Available The article aims to analyse, following the example of some paintings of Delacroix, how the “invisible part” of the painting (the sentiment, or feeling can be made visible by the colour. To do this, we shall draw on the critical writings that Baudelaire devoted to the painting of Delacroix. At the same time, by focusing on the notion of sentiment, we shall try to connect, from a historical perspective, the colourist conception of the painting to the artistic theories of the Enlightenment, and point up the modifications undergone by this concept within French discourse on art.

Invisible-hand explanations: From blindness to lack of we-ness

OpenAIRE

Dayer-Tieffenbach, Emma

2013-01-01

The unintendedness of the phenomenon that is to be explained is a constraint visible in the various applications and clarifications of invisible hand explanations. The article casts doubt on such a requirement and proposes a revised account. To have a role in an invisible hand process it is argued agents may very well act with a view to contributing to the occurrence of the social outcome that is to be explained provided they see what they do as an aggregation of their individual actions rath...

Chassé-croisé des visibles et des invisibles dans le panthéon japonais.

Directory of Open Access Journals (Sweden)

Tetsuo Yamaori

2005-02-01

Full Text Available La nature des premiers échanges historiques entre les divinités natives du Japon (kami et les bouddhas qui furent introduits au milieu du premier millénaire montre une forme particulière de syncrétisme qui consiste en deux systèmes polythéistes : le polythéisme « invisible » de la religion japonaise originaire (Shinto et celui « visible » du bouddhisme, qui présentent des modes contrastés de mouvement divin. Les kami invisibles se cachent dans les forêts ou dans les collines, mais ils sont capables de divisions illimitées sans être diminués, et sont présents simultanément dans des lieux largement dispersés : leur force fondamentale de transmission de soi pourrait être appelée « possession ». D'autre part, dans la tradition bouddhiste, selon le concept indien de avatara ou de « descente divine », les divinités transcendantes se manifestent aux humains dans une forme physique : ce mouvement de concrétisation —  de mise en images  — , pourrait être appelé « incarnation ». L'attrait initial du bouddhisme au Japon était lié aux représentations picturales et sculpturales des bouddhas et boddhisattvas célestes, ce qui était étranger à la tradition originaire qui avait assumé l'anonymat et le voile qui cache le sacré. Ces deux vecteurs opposés, l'un vers l'invisibilité cachée dans les kamis, et l'autre vers les manifestations physiques dans les bouddhas, posent les fondations pour le développement ultérieur de la « fusion du Shinto et du Bouddhisme » au Japon. Voici des exemples de leur interaction et imbrication : les dieux représentés dans les statues (la transformation historique de la divinité Inari, et les statues de bouddhas éloignées de la vue humaine comme les « bouddhas cachés » (Amida à Zenkoji. Cela illustre la médiation réciproque du Shinto et du Bouddhisme et les caractéristiques particulières qui se trouvent dans les profondeurs de la foi des Japonais

En el limbo de lo invisible. In the limbo of the invisible

Directory of Open Access Journals (Sweden)

Carmen Arocena

2012-04-01

Full Text Available La violencia sobre la mujer representada en los medios de comunicación adquiere diversas formas que no siempre se manifiestan de manera explícita. A través de las modalidades de manipulación descritas por Greimas y Cour t é s l a s imágenes contemporáneas imponen a la mujer un único canon de belleza aceptable y una engañosa representación de su goce mediatizada por el deseo y la satisfacción masculinas. La dialéctica entre lo visible y lo invisible que el ojo patriarcal ha instaurado en la sociedad occidental por medio de la tiranía de los medios de comunicación de masas,aún impiden a la mujer, en pleno siglo XXI, el acceso a una manifestación libre y fidedigna de su propia naturaleza física y sexual.The representation of violence against women in the mass media adopts different forms that are not always explicit. Through the modes of manipulation described by Greimas and Courtés, contemporary images subject women to a single canon of acceptable beauty and a deceitfull representation of their pleasure mediated by masculine desire and satisfaction. Well into the XXI century, the dialectic between the visible and the invisible, which the patriarchal eye has installed inwestern society through the tyranny of the mass media, still preventswomen from having access to a free and reliable expression of theirown physical and sexual nature.

Visualizing the Verbal and Verbalizing the Visual.

Science.gov (United States)

Braden, Roberts A.

This paper explores relationships of visual images to verbal elements, beginning with a discussion of visible language as represented by words printed on the page. The visual flexibility inherent in typography is discussed in terms of the appearance of the letters and the denotative and connotative meanings represented by type, typographical…

Visibility and (invisibility, dissolutions and traces of presence in the Mexican territory Visibilidad e (invisibilidad, disoluciones e indicios de presencia en territorio mexicano

Directory of Open Access Journals (Sweden)

Andrea Fernanda Aviña López

2012-11-01

Full Text Available There is an image of catastrophe in every day Mexico, a contemporary catastrophe that alludes to the visible and the (invisible. This paper shows a complex network of connections between these possibilities: visibility and (invisibility, memory and absence, through the works of two Mexican artists from Culiacan, Sinaloa: Fernando Brito with Tus pasos se perdieron con el paisaje (2010 (Your steps were lost with the landscape and Teresa Margolles with Vaporización (2002 (Vaporization. These artists are shown as producers and regents of memory, happening and resisting oblivion in a present reconstructed through the realm of art; and how these creators mark an aesthetic and intellectual territory against the background of violence and death in the Mexican territory. It thus displays these two works that investigate the premise of commemoration with the intention of preserving memory from a new critical standpoint.

Hay una imagen de la catástrofe en los días de México, una catástrofe contemporánea que alude a lo visible y a lo (invisible. Este trabajo muestra una red compleja de conexiones entre estas posibilidades: visibilidad e invisibilidad, memoria y ausencia, a partir del trabajo de dos artistas mexicanos de Culiacán, Sinaloa: Fernando Brito con Tus pasos se perdieron en el paisaje (2010 y Teresa Margolles con Vaporización (2002. Expone a estos artistas como productores y regentes de memoria, aconteciendo y resistiendo al olvido en un presente reconstruido gracias a la esfera artística. Y cómo estos creadores marcan un territorio estético y de pensamiento ante situaciones de violencia y muerte dentro del territorio mexicano. Despliega, así, a este par de obras que indagan en la premisa de la conmemoración con la intención de preservar el recuerdo desde un nuevo punto de vista crítico.

UNE MYTHOCRITIQUE DE LA CHANSON DE GUILLAUME EST-ELLE POSSIBLE ? DU VISIBLE À L’INVISIBLE DANS LA GESTE DE GUILLAUME D’ORANGE ET DE SES COMPAGNONS DE GUERRE (Is The Song of William susceptible to myth criticism? From the visible to the invisible in the Old French epic of William of Orange and his companions in arms

Directory of Open Access Journals (Sweden)

Ján Živčák

2015-06-01

Full Text Available The main aim of the present study is to examine the appropriateness of myth criticism methods in the context of medieval French literature. The first part of the essay is conceived as a brief confrontation, opposing the theory of Mircea Eliade concerning the repetition of the Hero Archetype in traditional epics to some textual elements in the chansons de geste, analogous to “visible mythemes” which tend to appear in popular epic poetry. Through a series of comparisons, we come to the conclusion that the interpretation to which the “eliadian” scheme leads us expands the boundaries of a literary myth (an academic invisible and rather aspires to a “theology of text” (a lived invisible. The second part of the article provides the reader with a practical application of the results of the preceding reflections, and includes an interpretation of the story of Vivien based on the Christian concept of Imitatio Christi.

Designing for the invisible: user-centered design of infrastructure awareness systems

DEFF Research Database (Denmark)

Ramos, Juan David Hincapie; Tabard, Aurélien; Bardram, Jakob

2010-01-01

Infrastructure awareness systems reveal invisible aspects of infrastructures to their existing or potential users. Designing such systems is challenging as it requires making visible the hidden activity of infrastructures while providing information of interest to the users. To address...

Visible and invisible the wonders of light phenomena

CERN Document Server

Bisi, Olmes

2015-01-01

Light phenomena have intrigued humankind since prehistory. Think of the rainbow, a sunset on the sea, a game of shadows. Humans have always used light for their own needs, from cooking food to illuminating a room. However, light is not only limited to what we can see with our eyes. The invisible part of the electromagnetic spectrum is broad and dynamic. This book outlines the mysteries and wonders of electromagnetism, heat, and light. It also covers the history of our scientific understanding of light. The dark as well as the bright sides of light are fully explored in these pages, from their impact on our world to their use in cutting-edge technologies in a variety of fields. Numerous full-color images and drawings complement the text, and light phenomena are explained in a simple and engaging way.

Radiographic evaluation of the course and visibility of the mandibular canal

International Nuclear Information System (INIS)

Jung, Yun Hoa; Cho, Bong Hae

2014-01-01

This study was performed to investigate the course of the mandibular canal on panoramic radiography and the visibility of this canal on both panoramic radiography and cone-beam computed tomography (CBCT). The study consisted of panoramic radiographs and CBCT images from 262 patients. The course of the mandibular canal, as seen in panoramic radiographs, was classified into four types: linear, elliptical, spoon-shaped, and turning curves. The visibility of this canal from the first to the third molar region was evaluated by visually determining whether the mandibular canal was clearly visible, probably visible, or invisible. The visibility of the canal on panoramic radiographs was compared with that on CBCT images. Elliptical curves were most frequently observed along the course of the mandibular canal. The percentage of clearly visible mandibular canals was the highest among the spoon-shaped curves and the lowest among the linear curves. On panoramic radiographs, invisible mandibular canals were found in 22.7% of the examined sites in the first molar region, 11.8% in the second molar region, and 1.3% in the third molar region. On CBCT cross-sectional images, the mandibular canal was invisible in 8.2% of the examined sites in the first molar region, 5.7% in the second molar region, and 0.2% in the third molar region. The visibility of this canal was lower in the first molar region than in the third molar region. The mandibular canal presented better visibility on CBCT images than on panoramic radiographs.

Visible propagation from invisible exogenous cueing.

Science.gov (United States)

Lin, Zhicheng; Murray, Scott O

2013-09-20

Perception and performance is affected not just by what we see but also by what we do not see-inputs that escape our awareness. While conscious processing and unconscious processing have been assumed to be separate and independent, here we report the propagation of unconscious exogenous cueing as determined by conscious motion perception. In a paradigm combining masked exogenous cueing and apparent motion, we show that, when an onset cue was rendered invisible, the unconscious exogenous cueing effect traveled, manifesting at uncued locations (4° apart) in accordance with conscious perception of visual motion; the effect diminished when the cue-to-target distance was 8° apart. In contrast, conscious exogenous cueing manifested in both distances. Further evidence reveals that the unconscious and conscious nonretinotopic effects could not be explained by an attentional gradient, nor by bottom-up, energy-based motion mechanisms, but rather they were subserved by top-down, tracking-based motion mechanisms. We thus term these effects mobile cueing. Taken together, unconscious mobile cueing effects (a) demonstrate a previously unknown degree of flexibility of unconscious exogenous attention; (b) embody a simultaneous dissociation and association of attention and consciousness, in which exogenous attention can occur without cue awareness ("dissociation"), yet at the same time its effect is contingent on conscious motion tracking ("association"); and (c) underscore the interaction of conscious and unconscious processing, providing evidence for an unconscious effect that is not automatic but controlled.

Ortodoncia estética invisible

OpenAIRE

Chávez Sevillano, Manuel Gustavo; Soldevilla Galarza, Luciano

2014-01-01

El adulto suele ofrecer resistencia a los convencionales tratamientos ortodóncicos, debido a la necesidad de llevar brackets visibles, tanto metálicos como estéticos de porcelana. El concepto de Ortodoncia Estética Invisible u Ortodoncia Lingual cubre las expectativas de este tipo de pacientes. La técnica multibrackets con aparatología lingual tiene aproximadamente 25 años de desarrollo y con la experiencia de los casos tratados, se ha llegado a la concepción de una técnica completamente prot...

Understanding and Approaching Muslim Visibilities

DEFF Research Database (Denmark)

Schmidt, Garbi

2011-01-01

Within Western nation-states such as Denmark, Islamic identities are often seen as inherently and divergently visible, an aspect that some argue is detrimental to the secular nation-state. From a research perspective, one way to nuance this position is by focusing on groups of 'invisible' Muslims...

The use of a displacement device negatively affects the performance of dogs (Canis familiaris) in visible object displacement tasks.

Science.gov (United States)

Müller, Corsin A; Riemer, Stefanie; Range, Friederike; Huber, Ludwig

2014-08-01

Visible and invisible displacement tasks have been used widely for comparative studies of animals' understanding of object permanence, with evidence accumulating that some species can solve invisible displacement tasks and, thus, reach Piagetian stage 6 of object permanence. In contrast, dogs appear to rely on associative cues, such as the location of the displacement device, during invisible displacement tasks. It remains unclear, however, whether dogs, and other species that failed in invisible displacement tasks, do so because of their inability to form a mental representation of the target object, or simply because of the involvement of a more salient but potentially misleading associative cue, the displacement device. Here we show that the use of a displacement device impairs the performance of dogs also in visible displacement tasks: their search accuracy was significantly lower when a visible displacement was performed with a displacement device, and only two of initially 42 dogs passed the sham-baiting control conditions. The negative influence of the displacement device in visible displacement tasks may be explained by strong associative cues overriding explicit information about the target object's location, reminiscent of an overshadowing effect, and/or object individuation errors as the target object is placed within the displacement device and moves along a spatiotemporally identical trajectory. Our data suggest that a comprehensive appraisal of a species' performance in object permanence tasks should include visible displacement tasks with the same displacement device used in invisible displacements, which typically has not been done in the past.

Dynamics of processing invisible faces in the brain: automatic neural encoding of facial expression information.

Science.gov (United States)

Jiang, Yi; Shannon, Robert W; Vizueta, Nathalie; Bernat, Edward M; Patrick, Christopher J; He, Sheng

2009-02-01

The fusiform face area (FFA) and the superior temporal sulcus (STS) are suggested to process facial identity and facial expression information respectively. We recently demonstrated a functional dissociation between the FFA and the STS as well as correlated sensitivity of the STS and the amygdala to facial expressions using an interocular suppression paradigm [Jiang, Y., He, S., 2006. Cortical responses to invisible faces: dissociating subsystems for facial-information processing. Curr. Biol. 16, 2023-2029.]. In the current event-related brain potential (ERP) study, we investigated the temporal dynamics of facial information processing. Observers viewed neutral, fearful, and scrambled face stimuli, either visibly or rendered invisible through interocular suppression. Relative to scrambled face stimuli, intact visible faces elicited larger positive P1 (110-130 ms) and larger negative N1 or N170 (160-180 ms) potentials at posterior occipital and bilateral occipito-temporal regions respectively, with the N170 amplitude significantly greater for fearful than neutral faces. Invisible intact faces generated a stronger signal than scrambled faces at 140-200 ms over posterior occipital areas whereas invisible fearful faces (compared to neutral and scrambled faces) elicited a significantly larger negative deflection starting at 220 ms along the STS. These results provide further evidence for cortical processing of facial information without awareness and elucidate the temporal sequence of automatic facial expression information extraction.

The [in]visibility of HIV/AIDS in the Malawi public sphere 1 | Lwanda ...

African Journals Online (AJOL)

This paper argues that, far from being invisible, issues of sexuality are omnipresent in the African public sphere. However, this presence is not usually found in the medical nor overtly gender/sexual arenas but in general social contexts. Western derived research models have sought and continue to seek to situate gender ...

Search for an invisibly-decaying Higgs boson at LEP

CERN Document Server

Achard, P; Aguilar-Benítez, M; Alcaraz, J; Alemanni, G; Allaby, James V; Aloisio, A; Alviggi, M G; Anderhub, H; Andreev, V P; Anselmo, F; Arefev, A; Azemoon, T; Aziz, T; Bagnaia, P; Bajo, A; Baksay, G; Baksay, L; Baldew, S V; Banerjee, S; Barczyk, A; Barillère, R; Bartalini, P; Basile, M; Batalova, N; Battiston, R; Bay, A; Becattini, F; Becker, U; Behner, F; Bellucci, L; Berbeco, R; Berdugo, J; Berges, P; Bertucci, B; Betev, B L; Biasini, M; Biglietti, M; Biland, A; Blaising, J J; Blyth, S C; Bobbink, G J; Böhm, A; Boldizsar, L; Borgia, B; Bottai, S; Bourilkov, D; Bourquin, Maurice; Braccini, S; Branson, J G; Brochu, F; Burger, J D; Burger, W J; Cai, X D; Capell, M; Cara Romeo, G; Carlino, G; Cartacci, A; Casaus, J; Cavallari, F; Cavallo, N; Cecchi, C; Cerrada, M; Chamizo-Llatas, M; Chang, Y H; Chemarin, M; Chen, A; Chen, G; Chen, G M; Chen, H F; Chen, H S; Chiefari, G; Cifarelli, Luisa; Cindolo, F; Clare, I; Clare, R; Coignet, G; Colino, N; Costantini, S; de la Cruz, B; Cucciarelli, S; van Dalen, J A; De Asmundis, R; Déglon, P L; Debreczeni, J; Degré, A; Dehmelt, K; Deiters, K; Della Volpe, D; Delmeire, E; Denes, P; De Notaristefani, F; De Salvo, A; Diemoz, M; Dierckxsens, M; Dionisi, C; Dittmar, M; Doria, A; Dova, M T; Duchesneau, D; Duda, M; Echenard, B; Eline, A; El-Hage, A; El-Mamouni, H; Engler, A; Eppling, F J; Extermann, P; Falagán, M A; Falciano, S; Favara, A; Fay, J; Fedin, O; Felcini, M; Ferguson, T; Fesefeldt, H S; Fiandrini, E; Field, J H; Filthaut, F; Fisher, P H; Fisher, W; Fisk, I; Forconi, G; Freudenreich, Klaus; Furetta, C; Galaktionov, Yu; Ganguli, S N; García-Abia, P; Gataullin, M; Gentile, S; Giagu, S; Gong, Z F; Grenier, G; Grimm, O; Grünewald, M W; Guida, M; Gupta, V K; Gurtu, A; Gutay, L J; Haas, D; Hatzifotiadou, D; Hebbeker, T; Hervé, A; Hirschfelder, J; Hofer, H; Hohlmann, M; Holzner, G; Hou, S R; Hu, Y; Jin, B N; Jones, L W; de Jong, P; Josa-Mutuberria, I; Kaur, M; Kienzle-Focacci, M N; Kim, J K; Kirkby, Jasper; Kittel, E W; Klimentov, A; König, A C; Kopal, M; Koutsenko, V F; Kraber, M; Krämer, R W; Krüger, A; Kunin, A; Ladrón de Guevara, P; Laktineh, I; Landi, G; Lebeau, M; Lebedev, A; Lebrun, P; Lecomte, P; Lecoq, P; Le Coultre, P; Le Goff, J M; Leiste, R; Levtchenko, M; Levchenko, P M; Li, C; Likhoded, S; Lin, C H; Lin, W T; Linde, Frank L; Lista, L; Liu, Z A; Lohmann, W; Longo, E; Lü, Y S; Luci, C; Luminari, L; Lustermann, W; Ma Wen Gan; Malgeri, L; Malinin, A; Maña, C; Mans, J; Martin, J P; Marzano, F; Mazumdar, K; McNeil, R R; Mele, S; Merola, L; Meschini, M; Metzger, W J; Mihul, A; Milcent, H; Mirabelli, G; Mnich, J; Mohanty, G B; Muanza, G S; Muijs, A J M; Musicar, B; Musy, M; Nagy, S; Natale, S; Napolitano, M; Nessi-Tedaldi, F; Newman, H; Nisati, A; Novák, T; Nowak, H; Ofierzynski, R A; Organtini, G; Pal, I; Palomares, C; Paolucci, P; Paramatti, R; Passaleva, G; Patricelli, S; Paul, T; Pauluzzi, M; Paus, C; Pauss, Felicitas; Pedace, M; Pensotti, S; Perret-Gallix, D; Petersen, B; Piccolo, D; Pierella, F; Pioppi, M; Piroué, P A; Pistolesi, E; Plyaskin, V; Pohl, M; Pozhidaev, V; Pothier, J; Prokofev, D; Prokofiev, D O; Quartieri, J; Rahal-Callot, G; Rahaman, M A; Raics, P; Raja, N; Ramelli, R; Rancoita, P G; Ranieri, R; Raspereza, A V; Razis, P; Ren, D; Rescigno, M; Reucroft, S; Riemann, S; Riles, K; Roe, B P; Romero, L; Rosca, A; Rosemann, C; Rosenbleck, C; Rosier-Lees, S; Roth, S; Rubio, J A; Ruggiero, G; Rykaczewski, H; Sakharov, A; Saremi, S; Sarkar, S; Salicio, J; Sánchez, E; Schäfer, C; Shchegelskii, V; Schopper, Herwig Franz; Schotanus, D J; Sciacca, C; Servoli, L; Shevchenko, S; Shivarov, N; Shoutko, V; Shumilov, E; Shvorob, A; Son, D; Souga, C; Spillantini, P; Steuer, M; Stickland, D P; Stoyanov, B; Strässner, A; Sudhakar, K; Sultanov, G G; Sun, L Z; Sushkov, S; Suter, H; Swain, J D; Szillási, Z; Tang, X W; Tarjan, P; Tauscher, L; Taylor, L; Tellili, B; Teyssier, D; Timmermans, C; Ting, Samuel C C; Ting, S M; Tonwar, S C; Tóth, J; Tully, C; Tung, K L; Ulbricht, J; Valente, E; Van de Walle, R T; Vásquez, R; Veszpremi, V; Vesztergombi, G; Vetlitskii, I; Vicinanza, D; Viertel, Gert M; Villa, S; Vivargent, M; Vlachos, S; Vodopyanov, I; Vogel, H; Vogt, H; Vorobev, I; Vorobyov, A A; Wadhwa, M; Wang, Q; Wang, X L; Wang, Z M; Weber, M; Wilkens, H; Wynhoff, S; Xia, L; Xu, Z Z; Yamamoto, J; Yang, B Z; Yang, C G; Yang, H J; Yang, M; Yeh, S C; Zalite, A; Zalite, Yu; Zhang, Z P; Zhao, J; Zhu, G Y; Zhu, R Y; Zhuang, H L; Zichichi, A; Zimmermann, B; Zöller, M

2005-01-01

A search for a Higgs boson produced in e^+e^- collisions in association with a Z boson and decaying into invisible particles is performed. Data collected at LEP with the L3 detector at centre-of-mass energies from 189 GeV to 209 GeV are used, corresponding to an integrated luminosity of 0.63/fb. Events with hadrons, electrons or muons with visible masses compatible with a Z boson and missing energy and momentum are selected. They are consistent with the Standard Model expectations. A lower limit of 112.3 GeV is set at 95% confidence level on the mass of the invisibly-decaying Higgs boson in the hypothesis that its production cross section equals that of the Standard Model Higgs boson. Relaxing this hypothesis, upper limits on the production cross section are derived.

Invisibility cloak with image projection capability.

Science.gov (United States)

Banerjee, Debasish; Ji, Chengang; Iizuka, Hideo

2016-12-13

Investigations of invisibility cloaks have been led by rigorous theories and such cloak structures, in general, require extreme material parameters. Consequently, it is challenging to realize them, particularly in the full visible region. Due to the insensitivity of human eyes to the polarization and phase of light, cloaking a large object in the full visible region has been recently realized by a simplified theory. Here, we experimentally demonstrate a device concept where a large object can be concealed in a cloak structure and at the same time any images can be projected through it by utilizing a distinctively different approach; the cloaking via one polarization and the image projection via the other orthogonal polarization. Our device structure consists of commercially available optical components such as polarizers and mirrors, and therefore, provides a significant further step towards practical application scenarios such as transparent devices and see-through displays.

Narratives of the Invisible: Autobiography, Kinship, and Alterity in Native Amazonia.

Science.gov (United States)

Grotti, Vanessa Elisa; Brightman, Marc

2016-03-01

Shamanic knowledge is based on an ambiguous commensality with invisible others. As a result, shamans oscillate constantly between spheres of intimacy, both visible and invisible. A place of power and transformation, the spirit world is rarely described by native interlocutors in an objective, detached way; rather, they depict it in terms of events and experiences. Instead of examining the formal qualities of accounts of the spirit world through analyses of ritual performance and shamanic quests, we focus on life histories as autobiographical accounts in order to explore what they reveal about the relationship between personal history (and indigenous historicity) and the spirit world. We introduce the term 'double reflexivity' to refer to processes by which narratives about the self are produced through relationships with alterity.

Unconscious neural processing differs with method used to render stimuli invisible

Directory of Open Access Journals (Sweden)

Sergey Victor Fogelson

2014-06-01

Full Text Available Visual stimuli can be kept from awareness using various methods. The extent of processing that a given stimulus receives in the absence of awareness is typically used to make claims about the role of consciousness more generally. The neural processing elicited by a stimulus, however, may also depend on the method used to keep it from awareness, and not only on whether the stimulus reaches awareness. Here we report that the method used to render an image invisible has a dramatic effect on how category information about the unseen stimulus is encoded across the human brain. We collected fMRI data while subjects viewed images of faces and tools, that were rendered invisible using either continuous flash suppression (CFS or chromatic flicker fusion (CFF. In a third condition, we presented the same images under normal fully visible viewing conditions. We found that category information about visible images could be extracted from patterns of fMRI responses throughout areas of neocortex known to be involved in face or tool processing. However, category information about stimuli kept from awareness using CFS could be recovered exclusively within occipital cortex, whereas information about stimuli kept from awareness using CFF was also decodable within temporal and frontal regions. We conclude that unconsciously presented objects are processed differently depending on how they are rendered subjectively invisible. Caution should therefore be used in making generalizations on the basis of any one method about the neural basis of consciousness or the extent of information processing without consciousness.

Unconscious neural processing differs with method used to render stimuli invisible.

Science.gov (United States)

Fogelson, Sergey V; Kohler, Peter J; Miller, Kevin J; Granger, Richard; Tse, Peter U

2014-01-01

Visual stimuli can be kept from awareness using various methods. The extent of processing that a given stimulus receives in the absence of awareness is typically used to make claims about the role of consciousness more generally. The neural processing elicited by a stimulus, however, may also depend on the method used to keep it from awareness, and not only on whether the stimulus reaches awareness. Here we report that the method used to render an image invisible has a dramatic effect on how category information about the unseen stimulus is encoded across the human brain. We collected fMRI data while subjects viewed images of faces and tools, that were rendered invisible using either continuous flash suppression (CFS) or chromatic flicker fusion (CFF). In a third condition, we presented the same images under normal fully visible viewing conditions. We found that category information about visible images could be extracted from patterns of fMRI responses throughout areas of neocortex known to be involved in face or tool processing. However, category information about stimuli kept from awareness using CFS could be recovered exclusively within occipital cortex, whereas information about stimuli kept from awareness using CFF was also decodable within temporal and frontal regions. We conclude that unconsciously presented objects are processed differently depending on how they are rendered subjectively invisible. Caution should therefore be used in making generalizations on the basis of any one method about the neural basis of consciousness or the extent of information processing without consciousness.

The Visible Hand of Research Performance Assessment

Science.gov (United States)

Hamann, Julian

2016-01-01

Far from allowing a governance of universities by the invisible hand of market forces, research performance assessments do not just measure differences in research quality, but yield themselves visible symptoms in terms of a stratification and standardization of disciplines. The article illustrates this with a case study of UK history departments…

Now You See It: Using Documentation to Make Learning Visible in LCs

Science.gov (United States)

Mino, Jack J.

2014-01-01

The practice of documentation is discussed as a means of making learning visible in the LC classroom. A documentation heuristic consisting of a four-stage cycle was used to capture, analyze and report what Bass and Eynon (2009) refer to as the "visible evidence of invisible learning" (p. 5). A variety of documentation samples are…

Electromagnetic Detection of a Perfect Invisibility Cloak

International Nuclear Information System (INIS)

Zhang Baile; Wu, Bae-Ian

2009-01-01

A perfect invisibility cloak is commonly believed to be undetectable from electromagnetic (EM) detection because it is equivalent to a curved but empty EM space created from coordinate transformation. Based on the intrinsic asymmetry of coordinate transformation applied to motions of photons and charges, we propose a method to detect this curved EM space by shooting a fast-moving charged particle through it. A broadband radiation generated in this process makes a cloak visible. Our method is the only known EM mechanism so far to detect an ideal perfect cloak (curved EM space) within its working band.

Invisible data matrix detection with smart phone using geometric correction and Hough transform

Science.gov (United States)

Sun, Halit; Uysalturk, Mahir C.; Karakaya, Mahmut

2016-04-01

Two-dimensional data matrices are used in many different areas that provide quick and automatic data entry to the computer system. Their most common usage is to automatically read labeled products (books, medicines, food, etc.) and recognize them. In Turkey, alcohol beverages and tobacco products are labeled and tracked with the invisible data matrices for public safety and tax purposes. In this application, since data matrixes are printed on a special paper with a pigmented ink, it cannot be seen under daylight. When red LEDs are utilized for illumination and reflected light is filtered, invisible data matrices become visible and decoded by special barcode readers. Owing to their physical dimensions, price and requirement of special training to use; cheap, small sized and easily carried domestic mobile invisible data matrix reader systems are required to be delivered to every inspector in the law enforcement units. In this paper, we first developed an apparatus attached to the smartphone including a red LED light and a high pass filter. Then, we promoted an algorithm to process captured images by smartphones and to decode all information stored in the invisible data matrix images. The proposed algorithm mainly involves four stages. In the first step, data matrix code is processed by Hough transform processing to find "L" shaped pattern. In the second step, borders of the data matrix are found by using the convex hull and corner detection methods. Afterwards, distortion of invisible data matrix corrected by geometric correction technique and the size of every module is fixed in rectangular shape. Finally, the invisible data matrix is scanned line by line in the horizontal axis to decode it. Based on the results obtained from the real test images of invisible data matrix captured with a smartphone, the proposed algorithm indicates high accuracy and low error rate.

Invisible Display in Aluminum

DEFF Research Database (Denmark)

Prichystal, Jan Phuklin; Hansen, Hans Nørgaard; Bladt, Henrik Henriksen

2005-01-01

Bang & Olufsen a/s has been working with ideas for invisible integration of displays in metal surfaces. Invisible integration of information displays traditionally has been possible by placing displays behind transparent or semitransparent materials such as plastic or glass. The wish for an integ......Bang & Olufsen a/s has been working with ideas for invisible integration of displays in metal surfaces. Invisible integration of information displays traditionally has been possible by placing displays behind transparent or semitransparent materials such as plastic or glass. The wish...... for an integrated display in a metal surface is often ruled by design and functionality of a product. The integration of displays in metal surfaces requires metal removal in order to clear the area of the display to some extent. The idea behind an invisible display in Aluminum concerns the processing of a metal...

Invisible players: a family systems model.

Science.gov (United States)

Hellstedt, Jon

2005-10-01

This article attempts to demonstrate that the family is a key player in the athlete's development and performance, sometimes invisible, but often all too visible. The practice of clinical sport psychology is enriched by a family-based orientation to the assessment and treatment of athletes. Creating a workable family system is a challenge for parents. They have many difficult decisions to make, and are often without support and direction in making those choices. Sport psychiatrists and psychologists can be helpful to parents as well as athletes by using family-based assessments and treatment interventions that provide education, challenge, and support as they negotiate the tasks and transitions in the family life cycle.

Infrared technique for decoding of invisible laser markings

Science.gov (United States)

Haferkamp, Heinz; Jaeschke, Peter; Stein, Johannes; Goede, Martin

2002-03-01

Counterfeiting and product piracy continues to be an important issue not only for the Western industry, but also for the society in general. Due to the drastic increase in product imitation and the request for plagiarism protection as well as for reducing thefts there is a high interest in new protection methods providing new security features. The method presented here consists of security markings which are included below paint layers. These markings are invisible for the human eye due to the non-transparency of the upper layers in the visible spectral range. However, the markings can be detected by an infrared technique taking advantage on the partial transparency of the upper paint layers in the IR-region. Metal sheets are marked using laser radiation. The beam of a Nd:YAG-laser provides a modification of the surface structure, resulting in dark markings due to the annealing effect. After coating of the laser-marked material, the markings are invisible for the bare eye. In order to read out the invisible information below the coating, an infrared reflection technique is used. The samples are illuminated with halogen lamps or infrared radiators. Many coating materials (i. e. paints) show a certain transparency in the mid-infrared region, especially between 3 - 5 micrometers . The reflected radiation is detected using an IR-camera with a sensitivity range from 3.4 - 5 micrometers . Due to the different reflection properties between the markings and their surrounding, the information can be detected.

MR-visible water content in human brain: a proton MRS study

DEFF Research Database (Denmark)

Christiansen, P; Toft, P B; Gideon, P

1994-01-01

. The major drawbacks are the necessity to make the assumptions that the water concentrations in the brain and that all tissue water is MR-visible. A number of in vivo measurements were carried out to estimate the concentration of MR-visible water in the brain of healthy volunteers divided into four age...... and biochemical data published, suggest that only a small fraction (invisible.(ABSTRACT TRUNCATED AT 250 WORDS)...

Invisibility Cloaking Based on Geometrical Optics for Visible Light

Science.gov (United States)

Ichikawa, H.; Oura, M.; Taoda, T.

2013-06-01

Optical cloaking has been one of unattainable dreams and just a subject in fiction until recently. Several different approaches to cloaking have been proposed and demonstrated: stealth technology, active camouflage and transformation optics. The last one would be the most formal approach modifying electromagnetic field around an object to be cloaked with metamaterials. While cloaking based on transformation optics, though valid only at single frequency, is experimentally demonstrated in microwave region, its operation in visible spectrum is still distant from realisation mainly owing to difficulty in fabricating metamaterial structure whose elements are much smaller than wavelength of light. Here we show that achromatic optical cloaking in visible spectrum is possible with the mere principle based on geometrical optics. In combining a pair of polarising beam splitters and right-angled prisms, rays of light to be obstructed by an object can make a detour to an observer, while unobstructed rays go straight through two polarising beam splitters. What is observed eventually through the device is simply background image as if nothing exists in between.

Detailed optical characterization of three-dimensional visible-frequency polarization-independent carpet invisibility cloak

International Nuclear Information System (INIS)

Ergin, Tolga; Fischer, Joachim; Wegener, Martin

2012-01-01

The invention of the three-dimensional woodpile photonic crystal by Costas M. Soukoulis and coworkers in 1994 has stimulated much further research - excellent research stimulates further research. Here, we report on using spatially inhomogeneous polymer woodpile structures in the long-wavelength limit as artificial graded-index structures. After briefly reviewing previous work on carpet invisibility cloaks designed by transformation optics, we present new experiments for various focus planes of the inspecting microscope as well as for different inspection angles in three-dimensional space. Numerical ray-tracing modeling is also provided. These data confirm our previous assessment that three-dimensional cloaking is quite robust for these structures.

Flowers behind the back of the universe: A cosmic art project exploring the invisible

Science.gov (United States)

Tanaka, Yuri; Doser, Michael; Sakurai, Ryu; Shimoyama, Hajime; Takahashi, Ryo

2018-05-01

What can be seen within this universe? Since humans are not instinctively aware of the limitations of their sensorium, what is being missed is not immediately obvious. Aiming to explore with our imagination the invisible elements in the universe, we created an interactive cosmic art project in collaboration with the Gunma Astronomical Observatory, and the Polytech Festival in Moscow. In this paper, we firstly address the topic of dark matter, from the physics point of view, the concept in our project touching upon the invisible beauty in the universe, and then discuss the practical methodology for the process of making the installation. This installation was laid out based on a map of constellations from where people were able to see the antipode of Moscow, an opposite point from the venue where the installation was set, in analogy to illustrating what exists, but can not be seen. Using origami flowers - made in the course of a workshop by the visitors of the festival - as a metaphor of the beauty and transience of life, the installation seeks to deepen the awareness of participants about the numerous invisible structures in the universe. Placing them within reflective structures underlines both our reliance on technology to make the invisible visible, and the influence of the point of view on how we perceive and interpret the resulting representations. In their various forms and colors, these flowers can be seen as metaphorical mirror images of that which lies at the antipodes of our awareness: of colorful gas glowing in radio waves, supernovas in their many x-ray hues, dark matter, neutrinos, gravitational waves, dark energy. Considering both the invisible scenery of the sky and the invisible elements of beauty in the universe as lying behind the 'back' of the universe, hidden to our senses, this project explores a new way of communication between humans and the ubiquitous invisible in an artistic manner. Finally, the whole process of this project is summarized

The Invisibility of Disability: Using Dance to Shake from Bioethics the Idea of 'Broken Bodies'.

Science.gov (United States)

Harmon, Shawn H E

2015-09-01

Complex social and ethical problems are often most effectively solved by engaging them at the messy and uncomfortable intersections of disciplines and practices, a notion that grounds the InVisible Difference project, which seeks to extend thinking and alter practice around the making, status, ownership, and value of work by contemporary dance choreographers by examining choreographic work through the lenses of law, bioethics, dance scholarship, and the practice of dance by differently-abled dancers. This article offers a critical thesis on how bioethics has come to occupy a marginal and marginalizing role in questions about the differently-abled body. In doing so, it has rendered the disabled community largely invisible to and in bioethics. It then defends the claim that bioethics - as a social undertaking pursued collaboratively by individuals from different disciplines - must take much better notice of the body and the embodied individual if it is to better achieve its ends, which include constructing a moral and just society. Finally, this article considers how the arts, and specifically dance (and here dance by differently-abled dancers), provides us with rich evidence about the body and our ability to respond positively to normally 'othered' bodies. It concludes that greater attention to empirical evidence like that being generated in InVisible Difference will help to expand the reach and significance of bioethics, and thereby its relevance to (and consciousness of) important questions about the status of bodies and bodily differences, which must be considered as central to its ambitions. © 2014 John Wiley & Sons Ltd.

Making the invisible, visible: a cross-sectional study of late presentation to HIV/AIDS services among men who have sex with men from a large urban center of Brazil.

Science.gov (United States)

MacCarthy, Sarah; Brignol, Sandra; Reddy, Manasa; Nunn, Amy; Dourado, Ines

2014-12-22

Late presentation to testing, treatment and continued care has detrimental impacts on the health of HIV-positive individuals as well as their sexual partners' health. Men who have sex with men (MSM) experience disproportionately high rates of HIV both globally and in Brazil. However, the factors that inhibit linkage to care among MSM remain unclear. We conducted a cross-sectional study of HIV-positive MSM (n = 740) enrolled in HIV/AIDS services in a large urban center of Brazil from August 2010 to June 2011. Descriptive, bivariate and multivariate statistics were conducted using STATA 12 to examine the relationship between a range of variables and late presentation, defined as having a first CD4 count make currently invisible people, visible.

Task relevance differentially shapes ventral visual stream sensitivity to visible and invisible faces

DEFF Research Database (Denmark)

Kouider, Sid; Barbot, Antoine; Madsen, Kristoffer Hougaard

2016-01-01

requires dissociating it from the top-down influences underlying conscious recognition. Here, using visual masking to abolish perceptual consciousness in humans, we report that functional magnetic resonance imaging (fMRI) responses to invisible faces in the fusiform gyrus are enhanced when they are task...... relevance crucially shapes the sensitivity of fusiform regions to face stimuli, leading from enhancement to suppression of neural activity when the top-down influences accruing from conscious recognition are prevented.......Top-down modulations of the visual cortex can be driven by task relevance. Yet, several accounts propose that the perceptual inferences underlying conscious recognition involve similar top-down modulations of sensory responses. Studying the pure impact of task relevance on sensory responses...

Visible Pedagogic Work: Parenting, Private Tutoring and Educational Advantage in Australia

Science.gov (United States)

Sriprakash, Arathi; Proctor, Helen; Hu, Betty

2016-01-01

This article explores parents' use of private tutoring services for their primary school children in Sydney, Australia's largest city. Using Bernstein's theories of invisible and visible pedagogies, we look, through the eyes of a small group of middle-class Chinese-background interviewees, at the tensions between certain pedagogic forms associated…

Disease, communication, and the ethics of (in) visibility.

Science.gov (United States)

Pietrzak-Franger, Monika Monika; Holmes, Martha Stoddard

2014-12-01

As the recent Ebola outbreak demonstrates, visibility is central to the shaping of political, medical, and socioeconomic decisions. The symposium in this issue of the Journal of Bioethical Inquiry explores the uneasy relationship between the necessity of making diseases visible, the mechanisms of legal and visual censorship, and the overall ethics of viewing and spectatorship, including the effects of media visibility on the perception of particular "marked" bodies. Scholarship across the disciplines of communication, anthropology, gender studies, and visual studies, as well as a photographer's visual essay and memorial reflection, throw light on various strategies of visualization and (de)legitimation and link these to broader socioeconomic concerns. Questions of the ethics of spectatorship, such as how to evoke empathy in the representation of individuals' suffering without perpetuating social and economic inequalities, are explored in individual, (trans-)national, and global contexts, demonstrating how disease (in)visibility intersects with a complex nexus of health, sexuality, and global/national politics. A sensible management of visibility--an "ecology of the visible"--can be productive of more viable ways of individual and collective engagement with those who suffer.

Exploring the academic invisible web

OpenAIRE

Lewandowski, Dirk; Mayr, Philipp

2006-01-01

Purpose: To provide a critical review of Bergman’s 2001 study on the Deep Web. In addition, we bring a new concept into the discussion, the Academic Invisible Web (AIW). We define the Academic Invisible Web as consisting of all databases and collections relevant to academia but not searchable by the general-purpose internet search engines. Indexing this part of the Invisible Web is central to scientific search engines. We provide an overview of approaches followed thus far. Design/methodol...

Exploring the academic invisible web

OpenAIRE

Lewandowski, Dirk

2006-01-01

The Invisible Web is often discussed in the academic context, where its contents (mainly in the form of databases) are of great importance. But this discussion is mainly based on some seminal research done by Sherman and Price (2001) and Bergman (2001), respectively. We focus on the types of Invisible Web content relevant for academics and the improvements made by search engines to deal with these content types. In addition, we question the volume of the Invisible Web as stated by Bergman. Ou...

What is Molecular is not invisible to the eyes

Directory of Open Access Journals (Sweden)

Frank Lizaraso Caparó

2017-01-01

Full Text Available A molecular failure (in principle invisible will determine symptoms, diseases and conditions of Health pretty visible. Molecular studies have been developed mostly in populations in Europe, USA (Descendants of Europeans and African Americans Africa and Asia. The Peruvians are represented in the Latin / Hispanic who is genetically too heterogeneous (eg, Mexican Latino is different from Argentinian or Puerto Rican (11. Peru globally has about 70% of South American native ancestors, which has been scarcely represented In molecular studies there is a pending task to characterize its population, as well as being Watchers of our endemic pathogens and those adapted to our territory.

In seach of the invisible (audiences)

DEFF Research Database (Denmark)

Hartley, Jannie Møller

The paper shows need to distinguish between: ignored audiences (invisible in the literature, in our case very young children and ) and post-communist audiences Literally or actual invisible (online lurking and unintended) audiences the unintended or lurking audiences are invisible in a two-fold way...... : both as cases of study, but also as actual audiences. a lack of historical contextualization in the studies...

Signatures de l'invisible

CERN Multimedia

CERN Press Office. Geneva

2000-01-01

"Signatures of the Invisible" is an unique collaboration between contemporary artists and contemporary physicists which has the potential to help redefine the relationship between science and art. "Signatures of the Invisible" is jointly organised by the London Institute - the world's largest college of art and design and CERN*, the world's leading particle physics laboratory. 12 leading visual artists:

Invisible magnetic sensors

Science.gov (United States)

Mach-Batlle, Rosa; Navau, Carles; Sanchez, Alvaro

2018-04-01

Sensing magnetic fields is essential in many applications in biomedicine, transportation, or smart cities. The distortion magnetic sensors create in response to the field they are detecting may hinder their use, for example, in applications requiring dense packaging of sensors or accurately shaped field distributions. For sensing electromagnetic waves, cloaking shells that reduce the scattering of sensors have been introduced. However, the problem of making a magnetic sensor undetectable remains unsolved. Here, we present a general strategy on how to make a sensor magnetically invisible while keeping its ability to sense. The sensor is rendered undetectable by surrounding it with a spherical shell having a tailored magnetic permeability. Our method can be applied to arbitrary shaped magnetic sensors in arbitrary magnetic fields. The invisibility can be made exact when the sensor is spherical and the probed field is uniform. A metasurface composed of superconducting pieces is presented as a practical realization of the ideal invisibility shell.

Transformation optics and invisibility cloaks

DEFF Research Database (Denmark)

Qiu, Min; Yan, Min; Yan, Wei

2008-01-01

In this paper, we briefly summarize the theory of transformation optics and introduce its application in achieving perfect invisibility cloaking. In particular, we theoretically show how the task of realizing cylindrical invisibility cloaks can be eased by using either structural approximation...

Unconscious processing of facial attractiveness: invisible attractive faces orient visual attention.

Science.gov (United States)

Hung, Shao-Min; Nieh, Chih-Hsuan; Hsieh, Po-Jang

2016-11-16

Past research has proven human's extraordinary ability to extract information from a face in the blink of an eye, including its emotion, gaze direction, and attractiveness. However, it remains elusive whether facial attractiveness can be processed and influences our behaviors in the complete absence of conscious awareness. Here we demonstrate unconscious processing of facial attractiveness with three distinct approaches. In Experiment 1, the time taken for faces to break interocular suppression was measured. The results showed that attractive faces enjoyed the privilege of breaking suppression and reaching consciousness earlier. In Experiment 2, we further showed that attractive faces had lower visibility thresholds, again suggesting that facial attractiveness could be processed more easily to reach consciousness. Crucially, in Experiment 3, a significant decrease of accuracy on an orientation discrimination task subsequent to an invisible attractive face showed that attractive faces, albeit suppressed and invisible, still exerted an effect by orienting attention. Taken together, for the first time, we show that facial attractiveness can be processed in the complete absence of consciousness, and an unconscious attractive face is still capable of directing our attention.

LE PÈRE INVISIBLE ET SILENCIEUX CHEZ GISÈLE FOURNIER (The Invisible and Silent Father by Gisèle Fournier

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Julie Crohas Commans

2015-06-01

Full Text Available The game of visible and invisible led by the paternal character in the novel Non-dits (2000 of Gisèle Fournier betrays the threat which presses on the story of a family torn by the secrets of the past. The father keeps out of the oppressive closed world he is sentenced to, using silence. Far from losing him, this attitude allows him to be marked out. And actually in the slow succession of the novel’s monologues, his image and his presence persist even after his suicide. The look of both character and reader is thus headed towards this paternal figure. Once narrativized, this vision allows us to question the contemporary illness which affects the transmission.

Paradoxes of Visibility

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Tarnay László

2017-12-01

Full Text Available The paper investigates two possible critical arguments following the pictorial turn. The first is formulated within ocularcentrism, the dominance of sight, and starts with the right to visibility as a general principle that governs today’s digital culture but gets twisted in special cases like the Auschwitz photos of the Shoa, the Abu Ghraib prison videos, or recently the website called Yolocaust. The second is conceived outside the visual culture and is meant to vindicate the other senses vis-à-vis the eyes. However, the argument is truncated here only to highlight the boomerang effect of the other senses: haptic vision. It is the case of visual perception when (a there is a lack of things to see and (b indeterminate synaesthesia: when vision intensifies the other senses in the embodied viewer. The two arguments converge upon a dialectic of the visible and the imaginable, which is formulated here as two paradoxes that the discussed examples transcend. By enforcing visibility at all costs where there is hardly anything recognizable to see, they lead to two diverging results. On the one hand, the meaning of “image” is extended toward the unimaginable, the traumatic experience, on the other hand, it is extended toward the invisible, the encounter with the radical Other.

Achieving visibility? Use of non-verbal communication in interactions between patients and pharmacists who do not share a common language.

Science.gov (United States)

Stevenson, Fiona

2014-06-01

Despite the seemingly insatiable interest in healthcare professional-patient communication, less attention has been paid to the use of non-verbal communication in medical consultations. This article considers pharmacists' and patients' use of non-verbal communication to interact directly in consultations in which they do not share a common language. In total, 12 video-recorded, interpreted pharmacy consultations concerned with a newly prescribed medication or a change in medication were analysed in detail. The analysis focused on instances of direct communication initiated by either the patient or the pharmacist, despite the presence of a multilingual pharmacy assistant acting as an interpreter. Direct communication was shown to occur through (i) the demonstration of a medical device, (ii) the indication of relevant body parts and (iii) the use of limited English. These connections worked to make patients and pharmacists visible to each other and thus to maintain a sense of mutual involvement in consultations within which patients and pharmacists could enact professionally and socially appropriate roles. In a multicultural society this work is important in understanding the dynamics involved in consultations in situations in which language is not shared and thus in considering the development of future research and policy. © 2014 The Author. Sociology of Health & Illness published by John Wiley & Sons Ltd on behalf of Foundation for SHIL (SHIL).

Design, implementation, and extension of thermal invisibility cloaks

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Zhang, Youming; Xu, Hongyi; Zhang, Baile

2015-05-01

A thermal invisibility cloak, as inspired by optical invisibility cloaks, is a device which can steer the conductive heat flux around an isolated object without changing the ambient temperature distribution so that the object can be "invisible" to external thermal environment. While designs of thermal invisibility cloaks inherit previous theories from optical cloaks, the uniqueness of heat diffusion leads to more achievable implementations. Thermal invisibility cloaks, as well as the variations including thermal concentrator, rotator, and illusion devices, have potentials to be applied in thermal management, sensing and imaging applications. Here, we review the current knowledge of thermal invisibility cloaks in terms of their design and implementation in cloaking studies, and their extension as other functional devices.

Conceituando o trabalho, o visível e o invisível Conceptualizing the work, the visible and invisible

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Yves Schwartz

2011-01-01

Full Text Available Neste artigo discutimos, na perspectiva da ergologia, o conceito de trabalho. Situamos as definições dele ao longo da história por diferentes correntes de pensamento e polemizamos sobre o caráter inédito, invisível e visível do trabalho. O que ele pressupõe e o que ele permite inferir em termos de investimento humano pessoal e coletivo. O que ele revela em termos de continuidades de modos de fazer e o que ele omite em termos de saberes investidos. Procuramos retrabalhar a noção de trabalho, tentando explicar os impasses evocados. Ao final, sugerimos como esta reapreciação da noção de trabalho poderia reinterrogar também o trabalho do historiador.This paper discusses, from the perspective of ergology, the concept of work. We place the definitions of it throughout history by different currents of thought and debate about the unprecedented nature, invisible and visible of labor. What it entails and what it allows us to infer in terms of collective and personal human investment. What it reveals in terms of continuity of ways of doing and what it omits in terms of knowledge invested. We seek to rework the notion of work, trying to explain the dilemmas evoked. Finally, we suggest how this review of the concept of work could also interrogate the historian's work.

Making the invisible visible: fear and disclosure of sexual orientation at work.

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Ragins, Belle Rose; Singh, Romila; Cornwell, John M

2007-07-01

Stigma theory was used to examine the fears underlying the disclosure of a gay identity at work. Using a national sample of 534 gay, lesbian, and bisexual employees, this study examined the antecedents that affect the degree of disclosure of a gay identity at work and, for those who had not disclosed, the factors that influence their fears about full disclosure. Employees reported less fear and more disclosure when they worked in a group that was perceived as supportive and sharing their stigma. Perceptions of past experience with sexual orientation discrimination were related to increased fears but to greater disclosure. For those who had not fully disclosed their stigma, the fears associated with disclosure predicted job attitudes, psychological strain, work environment, and career outcomes. However, actual disclosure was unrelated to these variables. The utility of fear of disclosure for understanding processes underlying the disclosure of gay and other invisible stigmatized identities in the workplace is discussed.

Characterizing visible and invisible cell wall mutant phenotypes

Energy Technology Data Exchange (ETDEWEB)

Carpita, Nicholas C.; McCann, Maureen C.

2015-04-06

About 10% of a plant's genome is devoted to generating the protein machinery to synthesize, remodel, and deconstruct the cell wall. High-throughput genome sequencing technologies have enabled a reasonably complete inventory of wall-related genes that can be assembled into families of common evolutionary origin. Assigning function to each gene family member has been aided immensely by identification of mutants with visible phenotypes or by chemical and spectroscopic analysis of mutants with ‘invisible’ phenotypes of modified cell wall composition and architecture that do not otherwise affect plant growth or development. This review connects the inference of gene function on the basis of deviation from the wild type in genetic functional analyses to insights provided by modern analytical techniques that have brought us ever closer to elucidating the sequence structures of the major polysaccharide components of the plant cell wall.

Retrospectives: Ethics and the Invisible Hand

OpenAIRE

Jerry Evensky

1993-01-01

As modern economists, we use Adam Smith's "invisible hand" metaphor confident that we all know what it means in our discourse: it reflects our admiration for the elegant and smooth functioning of the market system as a coordinator of autonomous individual choices in an interdependent world. But in Adam Smith's moral philosophy, the invisible hand has a much broader responsibility: if individuals are to enjoy the fruits of a classical liberal society, the invisible hand must not only coordinat...

Cloaks with multiple invisible regions

International Nuclear Information System (INIS)

Luo, Yang; Zhu, Shouzheng; He, Lianxing; Wang, Yu

2011-01-01

This paper proposes a general method of extending the effective invisible regions for both the shell-like interior cloak and the complementary media exterior cloak, without affecting their original cloaking regions. The proposed method is based on layered spatial mapping instead of the intact mapping. Certain interior or exterior invisible regions can be obtained by properly using a compressed or folded transformation in each space layer. Therefore, the proposal enables the as-designed cloaks to provide multiple invisible regions of different types simultaneously. Thus objects can be hidden in the interior cavity and/or in the exterior space, or even be embedded between the cloaking shells

Invisible Colleges: A Literature Review

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Rassoul Zavaraqi

2010-09-01

Full Text Available Generation and consumption of information are among the functions unique to higher education. Scholarly communication plays an essential role in this process to such a degree that some consider it as being the cornerstone of science. Thus it could be said that no education could be realized without communication. Scientometrists analyze and assess formal scientific communications by studying the level of citation of such scientific outputs as books, journals and etc. Nevertheless, there is a special type of communication that lacks any external manifestation such as citations. Informal learning and education are indebted to such communication. This kind of informal communication for generating knowledge leads to an informal association among the scholars, which is called as "The invisible college". There are various definitions and interpretations concerning an invisible college. According to Price’s opinion, an invisible college is comprised of over a hundred colleagues that are engaged in communication with one another. He believed that members in such an association are reasonably in touch with and could consult and influence one another. The present paper, by reacquainting with the concept of invisible college, would review the role of informal links in the production of knowledge and higher education system, various assessment methods and critical notes, as well as the impact of modern ICT tools on the concept of invisible college.

Dark/visible parallel universes and Big Bang nucleosynthesis

International Nuclear Information System (INIS)

Bertulani, C. A.; Frederico, T.; Fuqua, J.; Hussein, M. S.; Oliveira, O.; Paula, W. de

2012-01-01

We develop a model for visible matter-dark matter interaction based on the exchange of a massive gray boson called herein the Mulato. Our model hinges on the assumption that all known particles in the visible matter have their counterparts in the dark matter. We postulate six families of particles five of which are dark. This leads to the unavoidable postulation of six parallel worlds, the visible one and five invisible worlds. A close study of big bang nucleosynthesis (BBN), baryon asymmetries, cosmic microwave background (CMB) bounds, galaxy dynamics, together with the Standard Model assumptions, help us to set a limit on the mass and width of the new gauge boson. Modification of the statistics underlying the kinetic energy distribution of particles during the BBN is also discussed. The changes in reaction rates during the BBN due to a departure from the Debye-Hueckel electron screening model is also investigated.

From Nonradiating Sources to Directionally Invisible Objects

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Hurwitz, Elisa

The goal of this dissertation is to extend the understanding of invisible objects, in particular nonradiating sources and directional nonscattering scatterers. First, variations of null-field nonradiating sources are derived from Maxwell's equations. Next, it is shown how to design a nonscattering scatterer by applying the boundary conditions for nonradiating sources to the scalar wave equation, referred to here as the "field cloak method". This technique is used to demonstrate directionally invisible scatterers for an incident field with one direction of incidence, and the influence of symmetry on the directionality is explored. This technique, when applied to the scalar wave equation, is extended to show that a directionally invisible object may be invisible for multiple directions of incidence simultaneously. This opens the door to the creation of optically switchable, directionally invisible objects which could be implemented in couplers and other novel optical devices. Next, a version of the "field cloak method" is extended to the Maxwell's electro-magnetic vector equations, allowing more flexibility in the variety of directionally invisible objects that can be designed. This thesis concludes with examples of such objects and future applications.

Inequality and visibility of wealth in experimental social networks.

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Nishi, Akihiro; Shirado, Hirokazu; Rand, David G; Christakis, Nicholas A

2015-10-15

Humans prefer relatively equal distributions of resources, yet societies have varying degrees of economic inequality. To investigate some of the possible determinants and consequences of inequality, here we perform experiments involving a networked public goods game in which subjects interact and gain or lose wealth. Subjects (n = 1,462) were randomly assigned to have higher or lower initial endowments, and were embedded within social networks with three levels of economic inequality (Gini coefficient = 0.0, 0.2, and 0.4). In addition, we manipulated the visibility of the wealth of network neighbours. We show that wealth visibility facilitates the downstream consequences of initial inequality-in initially more unequal situations, wealth visibility leads to greater inequality than when wealth is invisible. This result reflects a heterogeneous response to visibility in richer versus poorer subjects. We also find that making wealth visible has adverse welfare consequences, yielding lower levels of overall cooperation, inter-connectedness, and wealth. High initial levels of economic inequality alone, however, have relatively few deleterious welfare effects.

Autoridades invisibles y autorizaciones visibles en la película argentina Rompecabezas de Natalia Smirnoff

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Mullaly, Laurence H.

2013-06-01

Full Text Available In the Argentinian cinema of the end of the 90’s and beginning of the 21st century, the representations of femininity and masculinity have become richer thanks to alternative visions, most frequently proposed by female directors. Natalia Smirnoff’s film Rompecabezas (Puzzle is a perfect example. It tells the story of an ordinary woman whose psychosexual awakening shakes up the invisible forces that had dictated her life up to that point. Rompecabezas explores the everlasting effect and influence on the patriarchal structures in constructing identity. The aim of this work, rooted in a gender perspective, is to study in what way both hierarchy and symbolic systems operate and to what extent Natalia Smirnoff provides us with a powerful (revision of transformation for women.En el cine argentino de finales de los años 90 y principios del siglo actual, las representaciones de la feminidad y la masculinidad se están enriqueciendo gracias a las visiones alternativas que nos ofrecen en su mayoría directoras. La película de Natalia Smirnoff, que se centra en la trayectoria de una mujer ordinaria cuyo despertar psicosexual choca con las autoridades invisibles que hasta ahora regían su vida, da testimonio de ello. Rompecabezas (Puzzle explora la permanencia y la influencia de las estructuras patriarcales en la construcción de las identidades. A partir de una perspectiva de género, el presente trabajo pretende analizar de qué manera opera el conjunto de las jerarquías y de los sistemas simbólicos y en qué medida Natalia Smirnoff nos proporciona una (revisión transformadora de las mujeres.

Making visible the invisible and vice versa. Bodies and organisational arrangements in the Intensive Care Unit.

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Lusardi, Roberto

2016-11-22

The effectiveness of the treatments carried out in the Intensive Care Unit (ICU) is guaranteed by a socio-technical ensemble where material resources, scientific knowledge, technological artefacts, social norms, spatial dispositions, and professional practices coexist and constantly interact. This paper intends to penetrate such an ensemble for analysing the moral order produced and maintained in everyday medical practice. The results of a case study, carried out in the ICU of a hospital in the north of Italy between 2006 and 2007 are reported. The study was performed using ethnographic methods: participant observation, ethnographic interviews, and semi-structured interviews. I illustrate how ward organisation and professional practices of medical and nurse staff create and reproduce two dispositions of body centred on the staff's perception of the therapeutic appropriateness of patients. On one side, there are the bodies that staff expect to get better, and these bodies are exposed through a series of organisational devices and activities in order to make them immediately accessible and available for every type of treatment; on the other side, the bodies of chronic and terminal patients tend to become invisibles in the working practice of the unit. This process does not follow any guideline or protocol but is embodied in informal routine and communicative interactions. The invisibility surrounding certain patients can be seen as strategies for the management of professional conflict and bioethical issues that stem from different interpretations of the degree of severity of the patients' conditions.

Invisible Higgs decays from Higgs-graviscalar mixing

International Nuclear Information System (INIS)

Dominici, Daniele; Gunion, John F.

2009-01-01

We recompute the invisible Higgs decay width arising from Higgs-graviscalar mixing in the Arkani-Hamed, Dimopoulos, Dvali model, comparing the original derivation in the nondiagonal mass basis to that in a diagonal mass basis. The results obtained are identical (and differ by a factor of 2 from the original calculation) but the diagonal-basis derivation is pedagogically useful for clarifying the physics of the invisible width from mixing. We emphasize that both derivations make it clear that a direct scan in energy for a process such as WW→WW mediated by Higgs plus graviscalar intermediate resonances would follow a single Breit-Wigner form with total width given by Γ tot =Γ h SM +Γ invisible . We also compute the additional contributions to the invisible width due to direct Higgs to graviscalar-pair decays. We find that the invisible width due to the latter is relatively small, unless the Higgs mass is comparable to or larger than the effective extra-dimensional Planck mass.

Invisible waves and hidden realms: augmented reality and experimental art

Science.gov (United States)

Ruzanka, Silvia

2012-03-01

Augmented reality is way of both altering the visible and revealing the invisible. It offers new opportunities for artistic exploration through virtual interventions in real space. In this paper, the author describes the implementation of two art installations using different AR technologies, one using optical marker tracking on mobile devices and one integrating stereoscopic projections into the physical environment. The first artwork, De Ondas y Abejas (The Waves and the Bees), is based on the widely publicized (but unproven) hypothesis of a link between cellphone radiation and the phenomenon of bee colony collapse disorder. Using an Android tablet, viewers search out small fiducial markers in the shape of electromagnetic waves hidden throughout the gallery, which reveal swarms of bees scattered on the floor. The piece also creates a generative soundscape based on electromagnetic fields. The second artwork, Urban Fauna, is a series of animations in which features of the urban landscape become plants and animals. Surveillance cameras become flocks of birds while miniature cellphone towers, lampposts, and telephone poles grow like small seedlings in time-lapse animation. The animations are presented as small stereoscopic projections, integrated into the physical space of the gallery. These two pieces explore the relationship between nature and technology through the visualization of invisible forces and hidden alternate realities.

Broadband invisibility by non-Euclidean cloaking.

Science.gov (United States)

Leonhardt, Ulf; Tyc, Tomás

2009-01-02

Invisibility and negative refraction are both applications of transformation optics where the material of a device performs a coordinate transformation for electromagnetic fields. The device creates the illusion that light propagates through empty flat space, whereas in physical space, light is bent around a hidden interior or seems to run backward in space or time. All of the previous proposals for invisibility require materials with extreme properties. Here we show that transformation optics of a curved, non-Euclidean space (such as the surface of a virtual sphere) relax these requirements and can lead to invisibility in a broad band of the spectrum.

Rendering LGBTQ+ Visible in Nursing: Embodying the Philosophy of Caring Science.

Science.gov (United States)

Goldberg, Lisa; Rosenburg, Neal; Watson, Jean

2017-06-01

Although health care institutions continue to address the importance of diversity initiatives, the standard(s) for treatment remain historically and institutionally grounded in a sociocultural privileging of heterosexuality. As a result, lesbian, gay, bisexual, transgender, and queer (LGBTQ+) communities in health care remain largely invisible. This marked invisibility serves as a call to action, a renaissance of thinking within redefined boundaries and limitations. We must therefore refocus our habits of attention on the wholeness of persons and the diversity of their storied experiences as embodied through contemporary society. By rethinking current understandings of LGBTQ+ identities through innovative representation(s) of the media, music industry, and pop culture within a caring science philosophy, nurses have a transformative opportunity to render LGBTQ+ visible and in turn render a transformative opportunity for themselves.

Added Value of Contrast-Enhanced Ultrasound on Biopsies of Focal Hepatic Lesions Invisible on Fusion Imaging Guidance.

Science.gov (United States)

Kang, Tae Wook; Lee, Min Woo; Song, Kyoung Doo; Kim, Mimi; Kim, Seung Soo; Kim, Seong Hyun; Ha, Sang Yun

2017-01-01

To assess whether contrast-enhanced ultrasonography (CEUS) with Sonazoid can improve the lesion conspicuity and feasibility of percutaneous biopsies for focal hepatic lesions invisible on fusion imaging of real-time ultrasonography (US) with computed tomography/magnetic resonance images, and evaluate its impact on clinical decision making. The Institutional Review Board approved this retrospective study. Between June 2013 and January 2015, 711 US-guided percutaneous biopsies were performed for focal hepatic lesions. Biopsies were performed using CEUS for guidance if lesions were invisible on fusion imaging. We retrospectively evaluated the number of target lesions initially invisible on fusion imaging that became visible after applying CEUS, using a 4-point scale. Technical success rates of biopsies were evaluated based on histopathological results. In addition, the occurrence of changes in clinical decision making was assessed. Among 711 patients, 16 patients (2.3%) were included in the study. The median size of target lesions was 1.1 cm (range, 0.5-1.9 cm) in pre-procedural imaging. After CEUS, 15 of 16 (93.8%) focal hepatic lesions were visualized. The conspicuity score was significantly increased after adding CEUS, as compared to that on fusion imaging (p making for 11 of 16 patients (68.8%). The addition of CEUS could improve the conspicuity of focal hepatic lesions invisible on fusion imaging. This dual guidance using CEUS and fusion imaging may affect patient management via changes in clinical decision-making.

Invisible the dangerous allure of the unseen

CERN Document Server

Ball, Philip

2015-01-01

If you could be invisible, what would you do? The chances are that it would have something to do with power, wealth or sex. Perhaps all three. But there's no need to feel guilty. Impulses like these have always been at the heart of our fascination with invisibility: it points to realms beyond our senses, serves as a receptacle for fears and dreams, and hints at worlds where other rules apply. Invisibility is a mighty power and a terrible curse, a sexual promise, a spiritual condition. This is a history of humanity's turbulent relationship with the invisible. It takes on the myths and morals of Plato, the occult obsessions of the Middle Ages, the trickeries and illusions of stage magic, the auras and ethers of Victorian physics, military strategies to camouflage armies and ships and the discovery of invisibly small worlds. From the medieval to the cutting-edge, fairy tales to telecommunications, from beliefs about the supernatural to the discovery of dark energy, Philip Ball reveals the universe of the invi...

Verbal Dreamscapes. Dorothea Tanning’s Visual Literature

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Glăvan Gabriela

2016-12-01

Full Text Available A Surrealist painter whose artistic vision is equally visible in her literary works, Dorothea Tanning established a solid dialogue between literature and the plastic arts. The corpus of her literary oeuvre is rather small, consisting of a novel, a volume of poetry and her memoir, Between Lives. This paper argues that Tanning can be regarded as an exemplary author of a creative transfer between verbal and plastic imagination. It also explores the tension between the two means of expression, most visible in her novel Chasm: A Weekend. Here, the imagery and enigmatic symbolism of her painting come to life in the story of a strange little girl called Destina Meridian.

Geometry and light the science of invisibility

CERN Document Server

Leonhardt, Ulf

2010-01-01

The science of invisibility combines two of physics' greatest concepts: Einstein's general relativity and Maxwell's principles of electromagnetism. Recent years have witnessed major breakthroughs in the area, and the authors of this volume - Ulf Leonhardt and Thomas Philbin of Scotland's University of St. Andrews - have been active in the transformation of invisibility from fiction into science. Their work on designing invisibility devices is based on modern metamaterials, inspired by Fermat's principle, analogies between mechanics and optics, and the geometry of curved space. Suitable for gra

Added value of contrast-enhanced ultrasound on biopsies of focal hepatic lesions invisible on fusion imaging guidance

Energy Technology Data Exchange (ETDEWEB)

Kang, Tae Wook; Lee, Min Woo; Song, Kyoung Doo; Kim, Mimi; Kim, Seung Soo; Kim, Seong Hyun; Ha, Sang Yun [Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul (Korea, Republic of)

2017-01-15

To assess whether contrast-enhanced ultrasonography (CEUS) with Sonazoid can improve the lesion conspicuity and feasibility of percutaneous biopsies for focal hepatic lesions invisible on fusion imaging of real-time ultrasonography (US) with computed tomography/magnetic resonance images, and evaluate its impact on clinical decision making. The Institutional Review Board approved this retrospective study. Between June 2013 and January 2015, 711 US-guided percutaneous biopsies were performed for focal hepatic lesions. Biopsies were performed using CEUS for guidance if lesions were invisible on fusion imaging. We retrospectively evaluated the number of target lesions initially invisible on fusion imaging that became visible after applying CEUS, using a 4-point scale. Technical success rates of biopsies were evaluated based on histopathological results. In addition, the occurrence of changes in clinical decision making was assessed. Among 711 patients, 16 patients (2.3%) were included in the study. The median size of target lesions was 1.1 cm (range, 0.5–1.9 cm) in pre-procedural imaging. After CEUS, 15 of 16 (93.8%) focal hepatic lesions were visualized. The conspicuity score was significantly increased after adding CEUS, as compared to that on fusion imaging (p < 0.001). The technical success rate of biopsy was 87.6% (14/16). After biopsy, there were changes in clinical decision making for 11 of 16 patients (68.8%). The addition of CEUS could improve the conspicuity of focal hepatic lesions invisible on fusion imaging. This dual guidance using CEUS and fusion imaging may affect patient management via changes in clinical decision-making.

Added value of contrast-enhanced ultrasound on biopsies of focal hepatic lesions invisible on fusion imaging guidance

International Nuclear Information System (INIS)

Kang, Tae Wook; Lee, Min Woo; Song, Kyoung Doo; Kim, Mimi; Kim, Seung Soo; Kim, Seong Hyun; Ha, Sang Yun

2017-01-01

To assess whether contrast-enhanced ultrasonography (CEUS) with Sonazoid can improve the lesion conspicuity and feasibility of percutaneous biopsies for focal hepatic lesions invisible on fusion imaging of real-time ultrasonography (US) with computed tomography/magnetic resonance images, and evaluate its impact on clinical decision making. The Institutional Review Board approved this retrospective study. Between June 2013 and January 2015, 711 US-guided percutaneous biopsies were performed for focal hepatic lesions. Biopsies were performed using CEUS for guidance if lesions were invisible on fusion imaging. We retrospectively evaluated the number of target lesions initially invisible on fusion imaging that became visible after applying CEUS, using a 4-point scale. Technical success rates of biopsies were evaluated based on histopathological results. In addition, the occurrence of changes in clinical decision making was assessed. Among 711 patients, 16 patients (2.3%) were included in the study. The median size of target lesions was 1.1 cm (range, 0.5–1.9 cm) in pre-procedural imaging. After CEUS, 15 of 16 (93.8%) focal hepatic lesions were visualized. The conspicuity score was significantly increased after adding CEUS, as compared to that on fusion imaging (p < 0.001). The technical success rate of biopsy was 87.6% (14/16). After biopsy, there were changes in clinical decision making for 11 of 16 patients (68.8%). The addition of CEUS could improve the conspicuity of focal hepatic lesions invisible on fusion imaging. This dual guidance using CEUS and fusion imaging may affect patient management via changes in clinical decision-making

Cuidados invisibles: ¿son suficientemente reconocidos?

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Rosanna de la Rosa Eduardo

Full Text Available Los cuidados invisibles son un elemento central y fundamental de la práctica de la Enfermería y son la base de su identidad profesional. La Enfermería ha sufrido un importante y positivo proceso de profesionalización en los últimos 150 años, sin embargo, los cuidados invisibles siguen siendo poco reconocidos, a pesar de su importancia en la recuperación y en la calidad de vida de los usuarios. En este trabajo se analizan brevemente las grandes transformaciones sociales actuales que obligan a replantearse la necesidad de visibilizar los cuidados invisibles, se plantean interrogantes clave para abordar esta discusión y se proponen una serie de acciones concretas para avanzar en este reconocimiento.

Making Invisible Intersectionality Visible through Theater of the Oppressed in Teacher Education

Science.gov (United States)

Powers, Beth; Duffy, Peter B.

2016-01-01

The arts generally and theater specifically offer effective strategies to help educators recognize and make visible the multiple student and teacher identities within classrooms. Without student and teacher agency in schools, there cannot be equitable and liberatory learning environments. Noted Brazilian theater artist and activist Augusto Boal's…

Network effects across the earnings distribution: payoffs to visible and invisible job finding assistance.

Science.gov (United States)

McDonald, Steve

2015-01-01

This study makes three critical contributions to the "Do Contacts Matter?" debate. First, the widely reported null relationship between informal job searching and wages is shown to be mostly the artifact of a coding error and sample selection restrictions. Second, previous analyses examined only active informal job searching without fully considering the benefits derived from unsolicited network assistance (the "invisible hand of social capital") - thereby underestimating the network effect. Third, wage returns to networks are examined across the earnings distribution. Longitudinal data from the NLSY reveal significant wage returns for network-based job finding over formal job searching, especially for individuals who were informally recruited into their jobs (non-searchers). Fixed effects quantile regression analyses show that contacts generate wage premiums among middle and high wage jobs, but not low wage jobs. These findings challenge conventional wisdom on contact effects and advance understanding of how social networks affect wage attainment and inequality. Copyright © 2014 Elsevier Inc. All rights reserved.

Between invisible defects and visible impact: the life experiences of adolescents and young adults with congenital heart disease.

Science.gov (United States)

Chiang, Yueh-Tao; Chen, Chi-Wen; Su, Wen-Jen; Wang, Jou-Kou; Lu, Chun-Wei; Li, Yuh-Fen; Moons, Philip

2015-03-01

To describe the life experiences of adolescents and young adults with congenital heart disease. Owing to medical advances, most children with congenital heart disease are expected to survive into adulthood. The transitional development from adolescence to adult is the critical period for fostering self-care. Descriptive phenomenological study. Thirty-five patients of 15-24 years old with congenital heart disease were recruited from paediatric cardiology clinics by purposive sampling. They were individually interviewed between October 2012-February 2013 using a semi-structured interview guideline and joined adult congenital heart disease clinics at two medical centres in northern Taiwan. The data were analysed using descriptive phenomenological method developed by Giorgi. The essence of the life experience of adolescents and young adults with congenital heart disease involves a dynamic process of moving between invisible defects and coexistence with the disease. Six themes emerged: (1) invisible defects: the existence of imperfect understanding; (2) conflict: interpersonal frustrations; (3) imbalance: the loss of self-balance; (4) suffering: increasing anxiety; (5) encounters: meeting needs; and (6) coexistence: positive coping strategies. As patients with congenital heart disease transition from adolescence into adulthood, they must learn about their disease, overcome frustration and anxiety and develop self-care strategies for coexisting with congenital heart disease. Results of this study may serve as clinical care guidelines for adolescents and young adults with congenital heart disease and give a reference for developing transitional intervention strategies. © 2014 John Wiley & Sons Ltd.

Invisible Support: Effects on the Provider's Positive and Negative Affect.

Science.gov (United States)

König, Claudia; Stadler, Gertraud; Knoll, Nina; Ochsner, Sibylle; Hornung, Rainer; Scholz, Urte

2016-07-01

Social support that goes unnoticed by receivers (i.e. invisible support) seems to be most beneficial for the receivers' well-being. The providers' well-being, however, has been neglected so far. This study examines how invisible support is related to the providers' well-being and whether this association is dependent on the providers' relationship satisfaction. Overall, 97 non-smoking partners of smokers who were about to quit smoking were examined. Invisible support was assessed dyadically: partners' reports on smoking-specific provided social support together with smokers' reports on received support were assessed at baseline. Partners' relationship satisfaction was also assessed at baseline. Partners' positive and negative affect were measured at baseline and six-week follow-up. No main effects of invisible instrumental or emotional support occurred. However, partners' relationship satisfaction moderated the association between invisible instrumental support and change in partners' negative and positive affect: For partners with lower relationship satisfaction more invisible instrumental support was related to increased negative affect and decreased positive affect, whereas for partners with higher relationship satisfaction the inverse effects occurred. The study's results emphasise that invisible instrumental support might have emotional costs for the providers. Relationship satisfaction seems to serve as a protective factor. © 2016 The International Association of Applied Psychology.

The Invisible Cinema

NARCIS (Netherlands)

Hanich, Julian; Fossati, Giovanna; van den Oever, Annie

The Invisible Cinema was an experimental movie theater designed by an experimental filmmaker. Devised by the Austrian avantgardist Peter Kubelka, it served as the first place of exhibition for the Anthology Film Archives in New York. Apart from the screen (and some exit signs and aisle lights

Invisibility cloaking via non-smooth transformation optics and ray tracing

International Nuclear Information System (INIS)

Crosskey, Miles M.; Nixon, Andrew T.; Schick, Leland M.; Kovacic, Gregor

2011-01-01

We present examples of theoretically-predicted invisibility cloaks with shapes other than spheres and cylinders, including cones and ellipsoids, as well as shapes spliced from parts of these simpler shapes. In addition, we present an example explicitly displaying the non-uniqueness of invisibility cloaks of the same shape. We depict rays propagating through these example cloaks using ray tracing for geometric optics. - Highlights: → Theoretically-predicted conical and ellipsoidal invisibility cloaks. → Non-smooth cloaks spliced from parts of simpler shapes. → Example displaying non-uniqueness of invisibility cloaks of the same shape. → Rays propagating through example cloaks depicted using geometric optics.

Dental magnetic resonance imaging: making the invisible visible.

Science.gov (United States)

Idiyatullin, Djaudat; Corum, Curt; Moeller, Steen; Prasad, Hari S; Garwood, Michael; Nixdorf, Donald R

2011-06-01

Clinical dentistry is in need of noninvasive and accurate diagnostic methods to better evaluate dental pathosis. The purpose of this work was to assess the feasibility of a recently developed magnetic resonance imaging (MRI) technique, called SWeep Imaging with Fourier Transform (SWIFT), to visualize dental tissues. Three in vitro teeth, representing a limited range of clinical conditions of interest, imaged using a 9.4T system with scanning times ranging from 100 seconds to 25 minutes. In vivo imaging of a subject was performed using a 4T system with a 10-minute scanning time. SWIFT images were compared with traditional two-dimensional radiographs, three-dimensional cone-beam computed tomography (CBCT) scanning, gradient-echo MRI technique, and histological sections. A resolution of 100 μm was obtained from in vitro teeth. SWIFT also identified the presence and extent of dental caries and fine structures of the teeth, including cracks and accessory canals, which are not visible with existing clinical radiography techniques. Intraoral positioning of the radiofrequency coil produced initial images of multiple adjacent teeth at a resolution of 400 μm. SWIFT MRI offers simultaneous three-dimensional hard- and soft-tissue imaging of teeth without the use of ionizing radiation. Furthermore, it has the potential to image minute dental structures within clinically relevant scanning times. This technology has implications for endodontists because it offers a potential method to longitudinally evaluate teeth where pulp and root structures have been regenerated. Copyright © 2011 American Association of Endodontists. Published by Elsevier Inc. All rights reserved.

Visualizing Breath using Digital Holography

Science.gov (United States)

Hobson, P. R.; Reid, I. D.; Wilton, J. B.

2013-02-01

Artist Jayne Wilton and physicists Peter Hobson and Ivan Reid of Brunel University are collaborating at Brunel University on a project which aims to use a range of techniques to make visible the normally invisible dynamics of the breath and the verbal and non-verbal communication it facilitates. The breath is a source of a wide range of chemical, auditory and physical exchanges with the direct environment. Digital Holography is being investigated to enable a visually stimulating articulation of the physical trajectory of the breath as it leaves the mouth. Initial findings of this research are presented. Real time digital hologram replay allows the audience to move through holographs of breath-born particles.

The parametric modified limited penetrable visibility graph for constructing complex networks from time series

Science.gov (United States)

Li, Xiuming; Sun, Mei; Gao, Cuixia; Han, Dun; Wang, Minggang

2018-02-01

This paper presents the parametric modified limited penetrable visibility graph (PMLPVG) algorithm for constructing complex networks from time series. We modify the penetrable visibility criterion of limited penetrable visibility graph (LPVG) in order to improve the rationality of the original penetrable visibility and preserve the dynamic characteristics of the time series. The addition of view angle provides a new approach to characterize the dynamic structure of the time series that is invisible in the previous algorithm. The reliability of the PMLPVG algorithm is verified by applying it to three types of artificial data as well as the actual data of natural gas prices in different regions. The empirical results indicate that PMLPVG algorithm can distinguish the different time series from each other. Meanwhile, the analysis results of natural gas prices data using PMLPVG are consistent with the detrended fluctuation analysis (DFA). The results imply that the PMLPVG algorithm may be a reasonable and significant tool for identifying various time series in different fields.

Habilidades de praxia verbal e não-verbal em indivíduos gagos Verbal and non-verbal praxic abilities in stutterers

Directory of Open Access Journals (Sweden)

Natália Casagrande Brabo

2009-12-01

Full Text Available OBJETIVO: caracterizar as habilidades de praxias verbal e não-verbal em indivíduos gagos. MÉTODOS: participaram do estudo 40 indivíduos, com idade igual ou superior a 18 anos, do sexo masculino e feminino: 20 gagos adultos e 20 sem queixas de comunicação. Para a avaliação das praxias verbal e não-verbal, os indivíduos foram submetidos à aplicação do Protocolo de Avaliação da Apraxia Verbal e Não-verbal (Martins e Ortiz, 2004. RESULTADOS: com relação às habilidades de praxia verbal houve diferença estatisticamente significante no número de disfluências típicas e atípicas apresentadas pelos grupos estudados. Quanto à tipologia das disfluências observou-se que nas típicas houve diferença estatisticamente significante entre os grupos estudados apenas na repetição de frase, e nas atípicas, houve diferença estatisticamente significante, tanto no bloqueio quanto na repetição de sílaba e no prolongamento. Com relação às habilidades de praxia não-verbal, não foram observadas diferenças estatisticamente significantes entre os indivíduos estudados na realização dos movimentos de lábios, língua e mandíbula, isolados e em sequência. CONCLUSÃO: com relação às habilidades de praxia verbal, os gagos apresentaram frequência maior de rupturas da fala, tanto de disfluências típicas quanto de atípicas, quando comparado ao grupo controle. Já na realização de movimentos práxicos isolados e em sequência, ou seja, nas habilidades de praxia não-verbal, os indivíduos gagos não se diferenciaram dos fluentes não confirmando a hipótese de que o início precoce da gagueira poderia comprometer as habilidades de praxia não-verbal.PURPOSE: to characterize the verbal and non-verbal praxic abilities in adult stutterers. METHODS: for this research, 40 over 18-year old men and women were selected: 20 stuttering adults and 20 without communication complaints. For the praxis evaluation, they were submitted to

Learning or Lurking?: Tracking the "Invisible" Online Student.

Science.gov (United States)

Beaudoin, Michael F.

2002-01-01

This case study of inactive, or invisible, students enrolled in an online graduate course identifies how much time is spent in course-related activity, what the reasons are for students' invisibility, and if their preferred learning styles influence online behavior. Preliminary analysis of grades indicate that grades are better for high-visibility…

Invisible Trojan-horse attack.

Science.gov (United States)

Sajeed, Shihan; Minshull, Carter; Jain, Nitin; Makarov, Vadim

2017-08-21

We demonstrate the experimental feasibility of a Trojan-horse attack that remains nearly invisible to the single-photon detectors employed in practical quantum key distribution (QKD) systems, such as Clavis2 from ID Quantique. We perform a detailed numerical comparison of the attack performance against Scarani-Ac´ın-Ribordy-Gisin (SARG04) QKD protocol at 1924 nm versus that at 1536 nm. The attack strategy was proposed earlier but found to be unsuccessful at the latter wavelength, as reported in N. Jain et al., New J. Phys. 16, 123030 (2014). However at 1924 nm, we show experimentally that the noise response of the detectors to bright pulses is greatly reduced, and show by modeling that the same attack will succeed. The invisible nature of the attack poses a threat to the security of practical QKD if proper countermeasures are not adopted.

The ontology of vision. The invisible, consciousness of Living matter.

Directory of Open Access Journals (Sweden)

Giorgia eFiorio

2016-02-01

Full Text Available If I close my eyes, the absence of light activates the peripheral cells devoted to the perception of darkness. The awareness of ‘seeing oneself seeing’ is in its essence a thought, one that is internal to the vision and previous to any object of sight. To this amphibious faculty, the diaphanous color of darkness, Aristotle assigns the principle of knowledge. Vision is a whole perceptual system, not a channel of sense. Functions of vision are interweaved to the texture of human interaction within a terrestrial environment that is in turn contained into the cosmic order. Within the internal resonance of a double reflection, the living being is the transitive host between two orders of scale, both bigger and smaller than the individual and unity. In the perceptual integrative system of human vision, the convergence-divergence of the corporeal presence and the diffraction of its own appearance is the margin. The sensation of being no longer coincides with the breath of life, it does not seems ‘real’ without the trace of some visible evidence and its simultaneous ‘sharing.’ Without a shadow, without an imprint, and destined for multiple invisible witnesses, the numeric copia of the physical presence inhabits the transient memory of our electronic prostheses. A rudimentary ‘visuality’ replaces tangible experience dissipating its meaning and the awareness of being alive. Transversal to the civilizations of the ancient world, through different orders of function and status, the anthropomorphic figuration of archaic sculpture questions the idea of Being. Ancient statues do not appear in order to be visible as artworks, but rather to exist. The awareness of human finiteness seals the compulsion to ‘give body’ to an invisible apparition that shapes the figuration of Being as the corporeal expression of an ontogenetic waking of human consciousness.Subject and object, the term humanum fathoms the relationship between matter and its living

Thermal invisibility based on scattering cancellation and mantle cloaking

KAUST Repository

Farhat, Mohamed; Chen, P.-Y.; Bagci, Hakan; Amra, C.; Guenneau, S.; Alù , A.

2015-01-01

We theoretically and numerically analyze thermal invisibility based on the concept of scattering cancellation and mantle cloaking. We show that a small object can be made completely invisible to heat diffusion waves, by tailoring the heat conductivity of the spherical shell enclosing the object. This means that the thermal scattering from the object is suppressed, and the heat flow outside the object and the cloak made of these spherical shells behaves as if the object is not present. Thermal invisibility may open new vistas in hiding hot spots in infrared thermography, military furtivity, and electronics heating reduction.

Thermal invisibility based on scattering cancellation and mantle cloaking

KAUST Repository

Farhat, Mohamed

2015-04-30

We theoretically and numerically analyze thermal invisibility based on the concept of scattering cancellation and mantle cloaking. We show that a small object can be made completely invisible to heat diffusion waves, by tailoring the heat conductivity of the spherical shell enclosing the object. This means that the thermal scattering from the object is suppressed, and the heat flow outside the object and the cloak made of these spherical shells behaves as if the object is not present. Thermal invisibility may open new vistas in hiding hot spots in infrared thermography, military furtivity, and electronics heating reduction.

The Physics of Invisibility A Story of Light and Deception

CERN Document Server

Beech, Martin

2012-01-01

Arthur C. Clarke famously wrote that, "any sufficiently advanced technology is indistinguishable from magic." These words most certainly ring true with respect to invisibility cloaking devices. At work is the magic of science, of course. The technology to make an object simply disappear from view is now a reality. There is both great fear and great desire in the thought of invisibility. Indeed, for thousands of years, authors have grappled with the idea. Power, devilry, secrecy, ethical dilemma, and moral corruption - invisibility has it all. And yet, our waking world is full of familiar invisible phenomena. Electricity flowing along a metal wire, the gravity that keeps us grounded, the air we breathe, the bacteria and viruses that make us ill, the X-rays that reveal our broken bones - all are invisible to our eyes. They surround and envelop us, and we don't give them a second thought. Nature long ago learned how to play tricks with light rays, enriching the world with rainbows, mirages, and animal camouflag...

Thermal imitators with single directional invisibility

Science.gov (United States)

Wang, Ruizhe; Xu, Liujun; Huang, Jiping

2017-12-01

Thermal metamaterials have been intensively studied during the past years to achieve the long-standing dream of invisibility, illusion, and other inconceivable thermal phenomena. However, many thermal metamaterials can only exhibit omnidirectional thermal response, which take on the distinct feature of geometrical isotropy. In this work, we theoretically design and experimentally fabricate a pair of thermal imitators by applying geometrical anisotropy provided by elliptical/ellipsoidal particles and layered structures. This pair of thermal imitators possesses thermal invisibility in one direction, while having thermal opacity in other directions. This work may open a gate in designing direction-dependent thermal metamaterials.

Visible and dark matter from a first-order phase transition in a baryon-symmetric universe

International Nuclear Information System (INIS)

Petraki, Kalliopi; Volkas, Raymond R.; Trodden, Mark

2012-01-01

The similar cosmological abundances observed for visible and dark matter suggest a common origin for both. By viewing the dark matter density as a dark-sector asymmetry, mirroring the situation in the visible sector, we show that the visible and dark matter asymmetries may have arisen simultaneously through a first-order phase transition in the early universe. The dark asymmetry can then be equal and opposite to the usual visible matter asymmetry, leading to a universe that is symmetric with respect to a generalised baryon number. We present both a general structure, and a precisely defined example of a viable model of this type. In that example, the dark matter is ''atomic'' as well as asymmetric, and various cosmological and astrophysical constraints are derived. Testable consequences for colliders include a Z' boson that couples through the B−L charge to the visible sector, but also decays invisibly to dark sector particles. The additional scalar particles in the theory can mix with the standard Higgs boson and provide other striking signatures

Invisible Trojan-horse attack

DEFF Research Database (Denmark)

Sajeed, Shihan; Minshull, Carter; Jain, Nitin

2017-01-01

We demonstrate the experimental feasibility of a Trojan-horse attack that remains nearly invisible to the single-photon detectors employed in practical quantum key distribution (QKD) systems, such as Clavis2 from ID Quantique. We perform a detailed numerical comparison of the attack performance...

Prospects for a genuine revival of primary health care--through the visible hand of social justice rather than the invisible hand of the market: Part II.

Science.gov (United States)

Katz, Alison Rosamund

2010-01-01

This second part of a two-part article explores the prospects for genuine revival of primary health care (PHC) as announced by the WHO in 2008, with reference, briefly, to Global Health Watch 2, published by the People's Health Movement, Medact, and Equity Gauge Alliance, and, in more depth, to the positions of social and people's movements most closely aligned with the original values and principles of Alma-Ata and the structural foundations of the PHC project. The author argues that the social justice struggle for health cannot be limited to curbing capitalism's excesses. The multiple crises of today--in energy, water, food, the environment, finance, science, information, and democracy--must be recognized as capitalist crises and addressed as such. Particular attention is given to ideology, including the distortion of human nature and society under neoliberal capitalism, and to moral foundations of Health for All. Not only must the invisible hand of the market be replaced by the visible hand of social justice, but the single ideology proclaiming the "end of history" and, by implication, the end of politics and political struggle must be exposed and rejected as neoliberal, totalitarian propaganda. In line with the spirit and intention of the U.N. Charter, PHC remains a political project for a fair and safe world in which Health for All is both possible and necessary.

Evaluating verbal and non-verbal communication skills, in an ethnogeriatric OSCE.

Science.gov (United States)

Collins, Lauren G; Schrimmer, Anne; Diamond, James; Burke, Janice

2011-05-01

Communication during medical interviews plays a large role in patient adherence, satisfaction with care, and health outcomes. Both verbal and non-verbal communication (NVC) skills are central to the development of rapport between patients and healthcare professionals. The purpose of this study was to assess the role of non-verbal and verbal communication skills on evaluations by standardized patients during an ethnogeriatric Objective Structured Clinical Examination (OSCE). Interviews from 19 medical students, residents, and fellows in an ethnogeriatric OSCE were analyzed. Each interview was videotaped and evaluated on a 14 item verbal and an 8 item non-verbal communication checklist. The relationship between verbal and non-verbal communication skills on interview evaluations by standardized patients were examined using correlational analyses. Maintaining adequate facial expression (FE), using affirmative gestures (AG), and limiting both unpurposive movements (UM) and hand gestures (HG) had a significant positive effect on perception of interview quality during this OSCE. Non-verbal communication skills played a role in perception of overall interview quality as well as perception of culturally competent communication. Incorporating formative and summative evaluation of both verbal and non-verbal communication skills may be a critical component of curricular innovations in ethnogeriatrics, such as the OSCE. Copyright © 2010 Elsevier Ireland Ltd. All rights reserved.

Patient anxiety in the medical encounter: a study of verbal and nonverbal communication in general practice.

NARCIS (Netherlands)

Bensing, J.M.; Verheul, W.; Dulmen, A.M. van

2008-01-01

Purpose: Many patients feel anxious when entering the consultation room, but seldom verbalize their emotions explicitly in the medical encounter. The authors designed a study to analyse the visibility of patient pre-consultation (state) anxiety in their communication during the consultation. In an

Illusory ownership of an invisible body reduces autonomic and subjective social anxiety responses

Science.gov (United States)

Guterstam, Arvid; Abdulkarim, Zakaryah; Ehrsson, H. Henrik

2015-01-01

What is it like to be invisible? This question has long fascinated man and has been the central theme of many classic literary works. Recent advances in materials science suggest that invisibility cloaking of the human body may be possible in the not-so-distant future. However, it remains unknown how invisibility affects body perception and embodied cognition. To address these questions, we developed a perceptual illusion of having an entire invisible body. Through a series of experiments, we characterized the multisensory rules that govern the elicitation of the illusion and show that the experience of having an invisible body reduces the social anxiety response to standing in front of an audience. This study provides an experimental model of what it is like to be invisible and shows that this experience affects bodily self-perception and social cognition. PMID:25906330

Illusory ownership of an invisible body reduces autonomic and subjective social anxiety responses.

Science.gov (United States)

Guterstam, Arvid; Abdulkarim, Zakaryah; Ehrsson, H Henrik

2015-04-23

What is it like to be invisible? This question has long fascinated man and has been the central theme of many classic literary works. Recent advances in materials science suggest that invisibility cloaking of the human body may be possible in the not-so-distant future. However, it remains unknown how invisibility affects body perception and embodied cognition. To address these questions, we developed a perceptual illusion of having an entire invisible body. Through a series of experiments, we characterized the multisensory rules that govern the elicitation of the illusion and show that the experience of having an invisible body reduces the social anxiety response to standing in front of an audience. This study provides an experimental model of what it is like to be invisible and shows that this experience affects bodily self-perception and social cognition.

Invisible Web and Academic Research: A Partnership for Quality

Science.gov (United States)

Alyami, Huda Y.; Assiri, Eman A.

2018-01-01

The present study aims to identify the most significant roles of the invisible web in improving academic research and the main obstacles and challenges facing the use of the invisible web in improving academic research from the perspective of academics in Saudi universities. The descriptive analytical approach was utilized in this study. It…

Signatures of the Invisible

CERN Multimedia

Strom, D

2003-01-01

On the Net it is possible to take a look at art from afar via Virtual Museums. One such exhibition was recently in the New York Museum of Modern Art's branch, PS1. Entitled 'Signatures of the Invisible' it was a collaborative effort between artists and physicists (1/2 page).

A separable surface-enhanced Raman scattering substrate modified with MIL-101 for detection of overlapping and invisible compounds after thin-layer chromatography development.

Science.gov (United States)

Zhang, Bin Bin; Shi, Yi; Chen, Hui; Zhu, Qing Xia; Lu, Feng; Li, Ying Wei

2018-01-02

By coupling surface-enhanced Raman spectroscopy (SERS) with thin-layer chromatography (TLC), a powerful method for detecting complex samples was successfully developed. However, in the TLC-SERS method, metal nanoparticles serving as the SERS-active substrate are likely to disturb the detection of target compounds, particularly in overlapping compounds after TLC development. In addition, the SERS detection of compounds that are invisible under both visible light and UV 254/365 after TLC development is still a significant challenge. In this study, we demonstrated a facile strategy to fabricate a TLC plate with metal-organic framework-modified gold nanoparticles as a separable SERS substrate, on which all separated components, including overlapping and invisible compounds, could be detected by a point-by-point SERS scan along the developing direction. Rhodamine 6G (R6G) was used as a probe to evaluate the performance of the substrate. The results indicated that the substrate provided good sensitivity and reproducibility, and optimal SERS signals could be collected in 5 s. Furthermore, this new substrate exhibited a long shelf life. Thus, our method has great potential for the sensitive and rapid detection of overlapping and invisible compounds in complex samples after TLC development. Copyright © 2017 The Author(s). Published by Elsevier B.V. All rights reserved.

What's in a Friendship? Partner Visibility Supports Cognitive Collaboration between Friends.

Science.gov (United States)

Brennan, Allison A; Enns, James T

2015-01-01

Not all cognitive collaborations are equally effective. We tested whether friendship and communication influenced collaborative efficiency by randomly assigning participants to complete a cognitive task with a friend or non-friend, while visible to their partner or separated by a partition. Collaborative efficiency was indexed by comparing each pair's performance to an optimal individual performance model of the same two people. The outcome was a strong interaction between friendship and partner visibility. Friends collaborated more efficiently than non-friends when visible to one another, but a partition that prevented pair members from seeing one another reduced the collaborative efficiency of friends and non-friends to a similar lower level. Secondary measures suggested that verbal communication differences, but not psychophysiological arousal, contributed to these effects. Analysis of covariance indicated that females contributed more than males to overall levels of collaboration, but that the interaction of friendship and visibility was independent of that effect. These findings highlight the critical role of partner visibility in the collaborative success of friends.

Invisible realities: Caring for older Moroccan migrants with dementia in Belgium.

Science.gov (United States)

Berdai Chaouni, Saloua; De Donder, Liesbeth

2018-01-01

The number of older Moroccan migrants reaching the age of high risk for dementia is increasing in Belgium. Yet no study has been performed to explore how Moroccan families facing dementia experience and manage the condition. The study employed a qualitative design using semi-structured interviews with 12 informal and 13 formal caregivers to answer this research question. Findings indicate that the experience of dementia includes several invisible realities that challenge the informal and formal caregivers: (1) the invisibility of dementia as a condition; (2) the invisible subtleties of the informal care execution; (3) the invisibility and inaccessibility of care services as explanation for these family's non-use of available services; and (4) the overlooking of culture, migration and religion as invisible influencers of the overall dementia experience. A better understanding of these hidden realities of migrant older people with dementia and their caregivers could lead to interventions to provide effective and tailored person-centred care that is sensitive to the individual's life experiences, culture and religious background.

To be or not to be sick and tired: Managing the visibility of HIV and HIV-related fatigue.

Science.gov (United States)

Schuft, Laura; Duval, Estelle; Thomas, Julie; Ferez, Sylvain

2017-01-01

This article takes a new direction in exploring HIV-related fatigue by adopting a qualitative interactionist approach. We analyse the social meanings attributed to fatigue among people living with HIV in France, the social gains and losses of its visibility and the social frames that condition its discursive and physical expression. The two-part methodology combines grounded theory analysis of 50 transcribed unstructured interviews conducted across France and participant observations within four HIV-related associations. Results reveal that the visibility of fatigue is in part dependent on the visibility of this stigmatized illness. The expression of fatigue is therefore closely linked with disclosure and concerns about HIV stigma. The degree to which HIV and HIV-related fatigue are rendered (in)visible also depends on structural factors including gender prescriptions, as well as context effects such as the type of social or 'care' relations involved in the social frame of interaction.

(Invisibilidade do cuidado e da profissão de enfermagem no espaço de relações La (invisibilidad del cuidado y de la profesión de enfermería en el espacio de relaciones The (invisibility of caring and of the profession of nursing in the relations space

Directory of Open Access Journals (Sweden)

Maria Aparecida Baggio

2010-01-01

Full Text Available OBJETIVO: Compreender como os profissionais de enfermagem atuantes em unidade de internação cirúrgica de um Hospital Universitário significam a visibilidade do cuidado ao outro e da profissão em seu espaço de relações. MÉTODOS: Estudo qualitativo e interpretativo. Os dados foram coletados mediante oficinas com a participação de dez profissionais de enfermagem e as falas foram submetidas à análise de conteúdo interpretados à luz do pensamento complexo. RESULTADOS: Categorias encontradas: o cuidado do outro invisível e visível na dimensão laboral; o cuidado do outro invisível e visível na dimensão familiar; a invisibilidade da enfermagem em sua categoria profissional. As relações, interações e associações humanas nos espaços organizacionais do cuidado e da prática da profissão em suas interconexões e trocas são visíveis e invisíveis. CONCLUSÃO: A visibilidade do cuidado ao outro e da profissão processa-se nas interações e trocas mobilizadas na convivência com os seres de relação nas suas múltiplas dimensões e complexidade organizacional.OBJETIVO: Comprender cómo los profesionales de enfermería, que actúan en una unidad de internación quirúrgica de un Hospital Universitario, le dan significado a la visibilidad del cuidar de otro y a la profesión de enfermería en su espacio de relaciones. MÉTODOS: Se trata de un estudio cualitativo e interpretativo. Los datos fueron recolectados mediante talleres con la participación de diez profesionales de enfermería; las declaraciones fueron sometidas al análisis de contenido e interpretadas bajo el marco teórico del pensamiento complejo. RESULTADOS: Fueron encontradas las siguientes categorías: el cuidado del otro es invisible y visible en la dimensión laboral; el cuidado del otro es invisible y visible en la dimensión familiar; y, la invisibilidad de la enfermería en su categoría profesional. Las relaciones, interacciones y asociaciones humanas en los

Invisible Base Electrode Coordinates Approximation for Simultaneous SPECT and EEG Data Visualization

Science.gov (United States)

Kowalczyk, L.; Goszczynska, H.; Zalewska, E.; Bajera, A.; Krolicki, L.

2014-04-01

This work was performed as part of a larger research concerning the feasibility of improving the localization of epileptic foci, as compared to the standard SPECT examination, by applying the technique of EEG mapping. The presented study extends our previous work on the development of a method for superposition of SPECT images and EEG 3D maps when these two examinations are performed simultaneously. Due to the lack of anatomical data in SPECT images it is a much more difficult task than in the case of MRI/EEG study where electrodes are visible in morphological images. Using the appropriate dose of radioisotope we mark five base electrodes to make them visible in the SPECT image and then approximate the coordinates of the remaining electrodes using properties of the 10-20 electrode placement system and the proposed nine-ellipses model. This allows computing a sequence of 3D EEG maps spanning on all electrodes. It happens, however, that not all five base electrodes can be reliably identified in SPECT data. The aim of the current study was to develop a method for determining the coordinates of base electrode(s) missing in the SPECT image. The algorithm for coordinates approximation has been developed and was tested on data collected for three subjects with all visible electrodes. To increase the accuracy of the approximation we used head surface models. Freely available model from Oostenveld research based on data from SPM package and our own model based on data from our EEG/SPECT studies were used. For data collected in four cases with one electrode not visible we compared the invisible base electrode coordinates approximation for Oostenveld and our models. The results vary depending on the missing electrode placement, but application of the realistic head model significantly increases the accuracy of the approximation.

Invisible Base Electrode Coordinates Approximation for Simultaneous SPECT and EEG Data Visualization

Directory of Open Access Journals (Sweden)

Kowalczyk L.

2014-04-01

Full Text Available This work was performed as part of a larger research concerning the feasibility of improving the localization of epileptic foci, as compared to the standard SPECT examination, by applying the technique of EEG mapping. The presented study extends our previous work on the development of a method for superposition of SPECT images and EEG 3D maps when these two examinations are performed simultaneously. Due to the lack of anatomical data in SPECT images it is a much more difficult task than in the case of MRI/EEG study where electrodes are visible in morphological images. Using the appropriate dose of radioisotope we mark five base electrodes to make them visible in the SPECT image and then approximate the coordinates of the remaining electrodes using properties of the 10-20 electrode placement system and the proposed nine-ellipses model. This allows computing a sequence of 3D EEG maps spanning on all electrodes. It happens, however, that not all five base electrodes can be reliably identified in SPECT data. The aim of the current study was to develop a method for determining the coordinates of base electrode(s missing in the SPECT image. The algorithm for coordinates approximation has been developed and was tested on data collected for three subjects with all visible electrodes. To increase the accuracy of the approximation we used head surface models. Freely available model from Oostenveld research based on data from SPM package and our own model based on data from our EEG/SPECT studies were used. For data collected in four cases with one electrode not visible we compared the invisible base electrode coordinates approximation for Oostenveld and our models. The results vary depending on the missing electrode placement, but application of the realistic head model significantly increases the accuracy of the approximation.

From Invisibility to Transparency: Identifying the Implications

Directory of Open Access Journals (Sweden)

Nancy J. Turner

2008-12-01

Full Text Available This paper explores the need for a broader and more inclusive approach to decisions about land and resources, one that recognizes the legitimacy of cultural values and traditional knowledge in environmental decision making and policy. Invisible losses are those not widely recognized or accounted for in decisions about resource planning and decision making in resource- and land-use negotiations precisely because they involve considerations that tend to be ignored by managers and scientists or because they are often indirect or cumulative, resulting from a complex, often cumulative series of events, decisions, choices, or policies. First Nations communities in western North America have experienced many such losses that, together, have resulted in a decline in the overall resilience of individuals and communities. We have identified eight types invisible losses that are often overlapping and cumulative: cultural/lifestyle losses, loss of identity, health losses, loss of self-determination and influence, emotional and psychological losses, loss of order in the world, knowledge losses, and indirect economic losses and lost opportunities. To render such invisible losses more transparent, which represents the first step in developing a more positive and equitable basis for decision making and negotiations around land and resources, we recommend six processes: focusing on what matters to the people affected, describing what matters in meaningful ways, making a place for these concerns in decision making, evaluating future losses and gains from a historical baseline, recognizing culturally derived values as relevant, and creating better alternatives for decision making so that invisible losses will be diminished or eliminated in the future.

(In)visible Ghosts in the Machine and the Powers that Bind: The Relational Securitization of Anonymous

DEFF Research Database (Denmark)

Dunn Cavelty, Myriam; Jaeger, Mark Daniel

2015-01-01

prerogative to secrecy, and challenging its claim to unrestrained surveillance. At the same time, the state's bases are implicated and reproduced in the way this conflict is constructed. The conflict not only (re)produces and makes visible “the state” as a social entity, but also changes or at least...... designations give rise to the visibility of political entities and agency in the first place. Applying this framework, we can better understand the movement's path from a bunch of anonymous individuals to the collectivity “Anonymous,” posing a threat to certain bases of the state's ontological existence, its...

It's About Making Surfaces Invisible

Indian Academy of Sciences (India)

It's About Making Surfaces Invisible ... light is reflected from the surface between two media. The in- tensity of ... The reflection from each new interface and the combined reflec- .... Let us see the requirements of a material for a good stamp. The.

Measuring 13Cβ chemical shifts of invisible excited states in proteins by relaxation dispersion NMR spectroscopy

International Nuclear Information System (INIS)

Lundstroem, Patrik; Lin Hong; Kay, Lewis E.

2009-01-01

A labeling scheme is introduced that facilitates the measurement of accurate 13 C β chemical shifts of invisible, excited states of proteins by relaxation dispersion NMR spectroscopy. The approach makes use of protein over-expression in a strain of E. coli in which the TCA cycle enzyme succinate dehydrogenase is knocked out, leading to the production of samples with high levels of 13 C enrichment (30-40%) at C β side-chain carbon positions for 15 of the amino acids with little 13 C label at positions one bond removed (∼5%). A pair of samples are produced using [1- 13 C]-glucose/NaH 12 CO 3 or [2- 13 C]-glucose as carbon sources with isolated and enriched (>30%) 13 C β positions for 11 and 4 residues, respectively. The efficacy of the labeling procedure is established by NMR spectroscopy. The utility of such samples for measurement of 13 C β chemical shifts of invisible, excited states in exchange with visible, ground conformations is confirmed by relaxation dispersion studies of a protein-ligand binding exchange reaction in which the extracted chemical shift differences from dispersion profiles compare favorably with those obtained directly from measurements on ligand free and fully bound protein samples

Smith’s invisible hand: controversy is needed

Directory of Open Access Journals (Sweden)

Flavia Di Mario

2017-11-01

Full Text Available Smith’s metaphor of the invisible hand, commonly attributed to The Wealth of Nations, is described in the Theory of Moral Sentiments. It is a ‘deception’ fed to the lower classes. Private initiative depends upon the presence of privileged classes in a conservative rather than liberal state. Only thus can the ‘invisible hand’ improve the nation’s ‘wealth.’ Hence, the economic mainstream cannot easily claim Adam Smith as their ancestor. Nor can the Marxists associate him to the misdeeds of the mainstream. A Smithian ancestry is more plausible for Neoliberals.

Interactive use of communication by verbal and non-verbal autistic children.

Science.gov (United States)

Amato, Cibelle Albuquerque de la Higuera; Fernandes, Fernanda Dreux Miranda

2010-01-01

Communication of autistic children. To assess the communication functionality of verbal and non-verbal children of the autistic spectrum and to identify possible associations amongst the groups. Subjects were 20 children of the autistic spectrum divided into two groups: V with 10 verbal children and NV with 10 non-verbal children with ages varying between 2y10m and 10y6m. All subjects were video recorded during 30 minutes of spontaneous interaction with their mothers. The samples were analyzed according to the functional communicative profile and comparisons within and between groups were conducted. Data referring to the occupation of communicative space suggest that there is an even balance between each child and his mother. The number of communicative acts per minute shows a clear difference between verbal and non-verbal children. Both verbal and non-verbal children use mostly the gestual communicative mean in their interactions. Data about the use of interpersonal communicative functions point out to the autistic children's great interactive impairment. The characterization of the functional communicative profile proposed in this study confirmed the autistic children's difficulties with interpersonal communication and that these difficulties do not depend on the preferred communicative mean.

Invisible anti-cloak with elliptic cross section using phase complement

International Nuclear Information System (INIS)

Yang Yu-Qi; Zhang Min; Yue Jian-Xiang

2011-01-01

Based on the theory of phase complement, an anti-cloak with circular cross section can be made invisible to an object outside its domain. As the cloak with elliptic cross section is more effective to make objects invisible than that with circular cross section, a scaled coordinate system is proposed to design equivalent materials of invisible anti-cloak with elliptic cross section using phase complement. The cloaks with conventional dielectric and double negative parameters are both simulated with the geometrical transformations. The results show that the cloak with elliptic cross section through phase complement can effectively hide the outside objects. (classical areas of phenomenology)

A gender- and sexual orientation-dependent spatial attentional effect of invisible images.

Science.gov (United States)

Jiang, Yi; Costello, Patricia; Fang, Fang; Huang, Miner; He, Sheng

2006-11-07

Human observers are constantly bombarded with a vast amount of information. Selective attention helps us to quickly process what is important while ignoring the irrelevant. In this study, we demonstrate that information that has not entered observers' consciousness, such as interocularly suppressed (invisible) erotic pictures, can direct the distribution of spatial attention. Furthermore, invisible erotic information can either attract or repel observers' spatial attention depending on their gender and sexual orientation. While unaware of the suppressed pictures, heterosexual males' attention was attracted to invisible female nudes, heterosexual females' attention was attracted to invisible male nudes, gay males behaved similarly to heterosexual females, and gay/bisexual females performed in-between heterosexual males and females.

Missing mass spectra in hadronic events from $e^+ e^-$ collisions at $\\sqrt{s}$=161-172 GeV and limits on invisible Higgs decays

CERN Document Server

Acciarri, M; Aguilar-Benítez, M; Ahlen, S P; Alcaraz, J; Alemanni, G; Allaby, James V; Aloisio, A; Alverson, G; Alviggi, M G; Ambrosi, G; Anderhub, H; Andreev, V P; Angelescu, T; Anselmo, F; Arefev, A; Azemoon, T; Aziz, T; Bagnaia, P; Baksay, L; Banerjee, S; Banerjee, Sw; Banicz, K; Barczyk, A; Barillère, R; Barone, L; Bartalini, P; Baschirotto, A; Basile, M; Battiston, R; Bay, A; Becattini, F; Becker, U; Behner, F; Berdugo, J; Berges, P; Bertucci, B; Betev, B L; Bhattacharya, S; Biasini, M; Biland, A; Bilei, G M; Blaising, J J; Blyth, S C; Bobbink, Gerjan J; Böck, R K; Böhm, A; Boldizsar, L; Borgia, B; Bourilkov, D; Bourquin, Maurice; Braccini, S; Branson, J G; Brigljevic, V; Brock, I C; Buffini, A; Buijs, A; Burger, J D; Burger, W J; Busenitz, J K; Button, A M; Cai, X D; Campanelli, M; Capell, M; Cara Romeo, G; Carlino, G; Cartacci, A M; Casaus, J; Castellini, G; Cavallari, F; Cavallo, N; Cecchi, C; Cerrada-Canales, M; Cesaroni, F; Chamizo-Llatas, M; Chang, Y H; Chaturvedi, U K; Chekanov, S V; Chemarin, M; Chen, A; Chen, G; Chen, G M; Chen, H F; Chen, H S; Chéreau, X J; Chiefari, G; Chien, C Y; Cifarelli, Luisa; Cindolo, F; Civinini, C; Clare, I; Clare, R; Cohn, H O; Coignet, G; Colijn, A P; Colino, N; Commichau, V; Costantini, S; Cotorobai, F; de la Cruz, B; Csilling, Akos; Dai, T S; Alessandro, R D; De Asmundis, R; Degré, A; Deiters, K; Della Volpe, D; Denes, P; De Notaristefani, F; DiBitonto, Daryl; Diemoz, M; Van Dierendonck, D N; Di Lodovico, F; Dionisi, C; Dittmar, Michael; Dominguez, A; Doria, A; Dova, M T; Duchesneau, D; Duinker, P; Durán, I; Dutta, S; Easo, S; Efremenko, Yu V; El-Mamouni, H; Engler, A; Eppling, F J; Erné, F C; Ernenwein, J P; Extermann, Pierre; Fabre, M; Faccini, R; Falciano, S; Favara, A; Fay, J; Fedin, O; Felcini, Marta; Fenyi, B; Ferguson, T; Ferroni, F; Fesefeldt, H S; Fiandrini, E; Field, J H; Filthaut, Frank; Fisher, P H; Fisk, I; Forconi, G; Fredj, L; Freudenreich, Klaus; Furetta, C; Galaktionov, Yu; Ganguli, S N; García-Abia, P; Gau, S S; Gentile, S; Gheordanescu, N; Giagu, S; Goldfarb, S; Goldstein, J; Gong, Z F; Gougas, Andreas; Gratta, Giorgio; Grünewald, M W; Gupta, V K; Gurtu, A; Gutay, L J; Hartmann, B; Hasan, A; Hatzifotiadou, D; Hebbeker, T; Hervé, A; Van Hoek, W C; Hofer, H; Hong, S J; Hoorani, H; Hou, S R; Hu, G; Innocente, Vincenzo; Jenkes, K; Jin, B N; Jones, L W; de Jong, P; Josa-Mutuberria, I; Kasser, A; Khan, R A; Kamrad, D; Kamyshkov, Yu A; Kapustinsky, J S; Karyotakis, Yu; Kaur, M; Kienzle-Focacci, M N; Kim, D; Kim, D H; Kim, J K; Kim, S C; Kim, Y G; Kinnison, W W; Kirkby, A; Kirkby, D; Kirkby, Jasper; Kiss, D; Kittel, E W; Klimentov, A; König, A C; Kopp, A; Korolko, I; Koutsenko, V F; Krämer, R W; Krenz, W; Kunin, A; Ladrón de Guevara, P; Laktineh, I; Landi, G; Lapoint, C; Lassila-Perini, K M; Laurikainen, P; Lebeau, M; Lebedev, A; Lebrun, P; Lecomte, P; Lecoq, P; Le Coultre, P; Lee, H J; Le Goff, J M; Leiste, R; Leonardi, E; Levchenko, P M; Li Chuan; Lin, C H; Lin, W T; Linde, Frank L; Lista, L; Liu, Z A; Lohmann, W; Longo, E; Lu, W; Lü, Y S; Lübelsmeyer, K; Luci, C; Luckey, D; Luminari, L; Lustermann, W; Ma Wen Gan; Maity, M; Majumder, G; Malgeri, L; Malinin, A; Maña, C; Mangeol, D J J; Mangla, S; Marchesini, P A; Marin, A; Martin, J P; Marzano, F; Massaro, G G G; McNally, D; McNeil, R R; Mele, S; Merola, L; Meschini, M; Metzger, W J; Von der Mey, M; Mi, Y; Mihul, A; Mil, A J W; Milcent, H; Mirabelli, G; Mnich, J; Molnár, P; Monteleoni, B; Moore, R; Morganti, S; Moulik, T; Mount, R; Müller, S; Muheim, F; Muijs, A J M; Nahn, S; Napolitano, M; Nessi-Tedaldi, F; Newman, H; Niessen, T; Nippe, A; Nisati, A; Nowak, H; Oh, Yu D; Opitz, H; Organtini, G; Ostonen, R; Palomares, C; Pandoulas, D; Paoletti, S; Paolucci, P; Park, H K; Park, I H; Pascale, G; Passaleva, G; Patricelli, S; Paul, T; Pauluzzi, M; Paus, C; Pauss, Felicitas; Peach, D; Pei, Y J; Pensotti, S; Perret-Gallix, D; Petersen, B; Petrak, S; Pevsner, A; Piccolo, D; Pieri, M; Piroué, P A; Pistolesi, E; Plyaskin, V; Pohl, M; Pozhidaev, V; Postema, H; Produit, N; Prokofev, D; Prokofiev, D O; Rahal-Callot, G; Raja, N; Rancoita, P G; Rattaggi, M; Raven, G; Razis, P A; Read, K; Ren, D; Rescigno, M; Reucroft, S; Van Rhee, T; Riemann, S; Riles, K; Robohm, A; Rodin, J; Roe, B P; Romero, L; Rosier-Lees, S; Rosselet, P; Van Rossum, W; Roth, S; Rubio, Juan Antonio; Ruschmeier, D; Rykaczewski, H; Salicio, J; Sánchez, E; Sanders, M P; Sarakinos, M E; Sarkar, S; Sassowsky, M; Schäfer, C; Shchegelskii, V; Schmidt-Kärst, S; Schmitz, D; Schmitz, P; Scholz, N; Schopper, Herwig Franz; Schotanus, D J; Schwenke, J; Schwering, G; Sciacca, C; Sciarrino, D; Servoli, L; Shevchenko, S; Shivarov, N; Shoutko, V; Shukla, J; Shumilov, E; Shvorob, A V; Siedenburg, T; Son, D; Sopczak, André; Smith, B; Spillantini, P; Steuer, M; Stickland, D P; Stone, A; Stone, H; Stoyanov, B; Strässner, A; Strauch, K; Sudhakar, K; Sultanov, G G; Sun, L Z; Susinno, G F; Suter, H; Swain, J D; Tang, X W; Tauscher, Ludwig; Taylor, L; Ting, Samuel C C; Ting, S M; Tonutti, M; Tonwar, S C; Tóth, J; Tully, C; Tuchscherer, H; Tung, K L; Uchida, Y; Ulbricht, J; Uwer, U; Valente, E; Van de Walle, R T; Vesztergombi, G; Vetlitskii, I; Viertel, Gert M; Vivargent, M; Völkert, R; Vogel, H; Vogt, H; Vorobev, I; Vorobyov, A A; Vorvolakos, A; Wadhwa, M; Wallraff, W; Wang, J C; Wang, X L; Wang, Z M; Weber, A; Wittgenstein, F; Wu, S X; Wynhoff, S; Xu, J; Xu, Z Z; Yang, B Z; Yang, C G; Yao, X Y; Ye, J B; Yeh, S C; You, J M; Zalite, A; Zalite, Yu; Zemp, P; Zeng, Y; Zhang, Z; Zhang, Z P; Zhou, B; Zhu, G Y; Zhu, R Y; Zichichi, Antonino; Ziegler, F

1998-01-01

Events characterised by large hadronic energy and transverse momentum are selected from the data collected by the L3 detector at LEP at centre-of-mass energies between 161 and 172 GeV, corresponding to an integrated luminosity of 21 $\\rm pb^{-1}$. The visible mass and the missing mass distributions of the selected events are consistent with those expected from Standard Model processes. This result is combined with that from data taken at the Z resonance to set an upper limit on the production rate and decay into invisible final states of a non-minimal Higgs boson, as a function of the Higgs mass. Assuming the non-minimal Higgs production cross section to be the same as for the Standard Model Higgs boson and the decay branching fraction into invisible final states to be 100\\%, a Higgs mass lower limit of 69.6 GeV is derived at 95\\% confidence level.

Search for invisibly decaying Higgs boson at Large Hadron Collider

Indian Academy of Sciences (India)

In several scenarios of Beyond Standard Model physics, the invisible decay mode of the Higgs boson is an interesting possibility. The search strategy for an invisible Higgs boson at the Large Hadron Collider (LHC), using weak boson fusion process, has been studied in detail, by taking into account all possible ...

Verbal behavior

OpenAIRE

Michael, Jack

1984-01-01

The recent history and current status of the area of verbal behavior are considered in terms of three major thematic lines: the operant conditioning of adult verbal behavior, learning to be an effective speaker and listener, and developments directly related to Skinner's Verbal Behavior. Other topics not directly related to the main themes are also considered: the work of Kurt Salzinger, ape-language research, and human operant research related to rule-governed behavior.

Schools-based interventions for reducing stigmatization of acquired brain injury: the role of interpersonal contact and visible impairment.

Science.gov (United States)

Irwin, Lynn G; Fortune, Dónal G

2014-03-01

The purpose of this study was to determine the effectiveness of contact versus education interventions for adolescents in reducing stigmatizing attitudes toward people with acquired brain injury (ABI), and whether visibility of ABI affects the intervention outcome. 408 students (age range = 14-17 years) from 13 schools in the Mid-West of Ireland were randomly allocated to one of the three interventions: Education only, Contact (Visible Disability), or Contact ("Invisible" Disability). Stigmatizing attitudes were measured before and after intervention. Results suggest that a Contact intervention was more effective in reducing stigmatizing attitudes in terms of social restrictiveness, benevolence, and community mental health beliefs than education alone. Visibility of ABI impacted the effectiveness of the contact intervention on Community Mental Health beliefs only. Contact with a person with ABI is thus more effective in promoting positive attitudes than ABI education alone, while the presence of visible impairment was not found to increase this intervention effect.

Good Deaths, "Stupid Deaths": Humane Medicine and the Call of Invisible Bodies.

Science.gov (United States)

Ryan, Maura A

2016-12-01

Jeffrey Bishop's The Anticipatory Corpse exposes a functional metaphysics at the root of contemporary medical practice that gives rise to inhumane medicine, especially at the end of life. His critique of medicine argues for alternative spaces and practices in which the communal significance of the body, its telos, can be restored and the meaning of a "good death" enriched. This essay develops an alternative epistemology of the body, drawing from Christian theological accounts of the communal or Eucharistic body and linking liturgical practices to the cultivation of solidarity. It argues for an epistemology of the body that makes visible the invisible bodies at medicine's margins and illumines the disparate worlds of health care globally. © The Author 2016. Published by Oxford University Press, on behalf of the Journal of Medicine and Philosophy Inc. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

The visibility of cancer on previous mammograms in retrospective review

International Nuclear Information System (INIS)

Saarenmaa, I.; Salminen, T.; Geiger, U.; Heikkinen, P.; Hyvarinen, S.; Isola, J.; Kataja, V.; Kokko, M.-L.; Kokko, R.; Kumpulainen, E.; Karkkainen, A.; Pakkanen, J.; Peltonen, P.; Piironen, A.; Salo, A.; Talviala, M.-L.; Hakama, M.

2001-01-01

AIM: To study how many tumours were visible in restrospect on mammograms originally reported as normal or benign in patients coming to surgery with proven breast cancer. The effect of making the pre--operative mammogram available was also assessed. MATERIALS AND METHODS: Three hundred and twenty initial mammograms of consecutive new breast cancer cases were analysed by a group of radiologists in the knowledge that all patients were later diagnosed with breast cancer. The films were read twice, first without and then with the later (pre-operative) mammograms available. The parenchymal density in the location of the tumour was classified as fatty, mixed or dense, and the tumours were classified as visible or not visible. The reasons for the invisibility of the tumour in the earlier examination were analysed. RESULTS: Fourteen per cent (45) of cancers were retrospectively visible in earlier mammograms without the pre-operative mammograms having been shown, and 29% (95) when pre-operative mammograms were shown. Breast parenchymal density decreased with age and the visibility of tumours increased with age. When considered simultaneously, the effect of age (over 55 vs under 55) was greater (OR = 2.9) than the effect of density (fatty vs others) (OR = 1.5). The most common reasons for non-detection were that the lesion was overlooked (55%), diagnosed as benign (33%) or was visible only in one projection (26%). Growing density was the most common (37%) feature of those lesions originally overlooked or regarded as benign. CONCLUSIONS: Tumours are commonly visible in retrospect, but few of them exhibit specific signs of cancer, and are recognized only if they grow or otherwise change. It is not possible to differentiate most of them from normal parenchymal densities. Saaremaa, I. (2001)

Notes from the back room: gender, power, and (In)visibility in women's experiences of masturbation.

Science.gov (United States)

Fahs, Breanne; Frank, Elena

2014-01-01

While popular culture has more frequently depicted women's masturbation in recent years, scholarly attention to women's own meaning making about masturbation remains largely absent. Existing research that emphasizes women's masturbation frequency, health correlates, masturbation as a factor in couples therapy, and masturbation as a substitute for partnered sexual behaviors have dominated the research, largely neglecting social identity correlates and women's subjectivities about masturbation. This study drew upon qualitative interviews with 20 women (mean age = 34, SD = 13.35) from diverse backgrounds to illuminate five themes in women's experiences with masturbation: (a) assumptions that most women self-penetrate during masturbation even when primarily using clitoral stimulation; (b) masturbation as sexual labor; (c) masturbation as a threat to male dominance; (d) masturbation as routine tension release; and (e) masturbation as a source of joy, fun, and pleasure. Because women revealed such a diverse set of experiences, we explored the advantages and disadvantages of the invisibility of women's masturbation. As a result of the internalization of stereotypically masculine scripts about sexuality-including an imagined penetrative focus, goal-oriented drive toward orgasm, sex as labor, and masturbation as nonemotional-women's masturbation experiences, regardless of sexual orientation, revealed the power imbalances often present in partnered (hetero)sexual dynamics.

A rigorous analysis of high-order electromagnetic invisibility cloaks

International Nuclear Information System (INIS)

Weder, Ricardo

2008-01-01

There is currently a great deal of interest in the invisibility cloaks recently proposed by Pendry et al that are based on the transformation approach. They obtained their results using first-order transformations. In recent papers, Hendi et al and Cai et al considered invisibility cloaks with high-order transformations. In this paper, we study high-order electromagnetic invisibility cloaks in transformation media obtained by high-order transformations from general anisotropic media. We consider the case where there is a finite number of spherical cloaks located in different points in space. We prove that for any incident plane wave, at any frequency, the scattered wave is identically zero. We also consider the scattering of finite-energy wave packets. We prove that the scattering matrix is the identity, i.e., that for any incoming wave packet the outgoing wave packet is the same as the incoming one. This proves that the invisibility cloaks cannot be detected in any scattering experiment with electromagnetic waves in high-order transformation media, and in particular in the first-order transformation media of Pendry et al. We also prove that the high-order invisibility cloaks, as well as the first-order ones, cloak passive and active devices. The cloaked objects completely decouple from the exterior. Actually, the cloaking outside is independent of what is inside the cloaked objects. The electromagnetic waves inside the cloaked objects cannot leave the concealed regions and vice versa, the electromagnetic waves outside the cloaked objects cannot go inside the concealed regions. As we prove our results for media that are obtained by transformation from general anisotropic materials, we prove that it is possible to cloak objects inside general crystals

Los invisibles deben ser escuchados: La construcción de la representación política de la comunidad sorda mexicana

Directory of Open Access Journals (Sweden)

Rose Mery Gómez Tovar

2014-12-01

Full Text Available La realización del presente proyecto tiene la finalidad de dar a conocer y describir los elementos característicos de los "Movimientos sociales y comunidad sorda mexicana: Los invisibles pueden ser visibles". Permite ahondar en el tema sobre la comunidad sorda que lleva a la reflexión de la acción social, aporta un criterio sobre las formas de gobierno en el país en cuestión y sobre las sociedades que lo transforman, ya sea de manera positiva o negativa.

Sentence processing and verbal working memory in a white-matter-disconnection patient.

Science.gov (United States)

Meyer, Lars; Cunitz, Katrin; Obleser, Jonas; Friederici, Angela D

2014-08-01

The Arcuate Fasciculus/Superior Longitudinal Fasciculus (AF/SLF) is the white-matter bundle that connects posterior superior temporal and inferior frontal cortex. Its causal functional role in sentence processing and verbal working memory is currently under debate. While impairments of sentence processing and verbal working memory often co-occur in patients suffering from AF/SLF damage, it is unclear whether these impairments result from shared white-matter damage to the verbal-working-memory network. The present study sought to specify the behavioral consequences of focal AF/SLF damage for sentence processing and verbal working memory, which were assessed in a single patient suffering from a cleft-like lesion spanning the deep left superior temporal gyrus, sparing most surrounding gray matter. While tractography suggests that the ventral fronto-temporal white-matter bundle is intact in this patient, the AF/SLF was not visible to tractography. In line with the hypothesis that the AF/SLF is causally involved in sentence processing, the patient׳s performance was selectively impaired on sentences that jointly involve both complex word orders and long word-storage intervals. However, the patient was unimpaired on sentences that only involved long word-storage intervals without involving complex word orders. On the contrary, the patient performed generally worse than a control group across standard verbal-working-memory tests. We conclude that the AF/SLF not only plays a causal role in sentence processing, linking regions of the left dorsal inferior frontal gyrus to the temporo-parietal region, but moreover plays a crucial role in verbal working memory, linking regions of the left ventral inferior frontal gyrus to the left temporo-parietal region. Together, the specific sentence-processing impairment and the more general verbal-working-memory impairment may imply that the AF/SLF subserves both sentence processing and verbal working memory, possibly pointing to the AF

Making Visible the Invisible

Science.gov (United States)

1999-01-01

Duncan Technologies, Inc., (DTI) developed an infrared imaging system for detection of hydrogen flames in the Space Shuttle Main Engines. The product is the result of a NASA Small Business Innovation Research (SBIR) award from the Stennis Space Center.

Making The Invisible Visible

Science.gov (United States)

1978-01-01

In public and private archives throughout the world there are many historically important documents that have become illegible with the passage of time. They have faded, been erased, acquired mold, water and dirt stain, suffered blotting or lost readability in other ways. While ultraviolet and infrared photography are widely used to enhance deteriorated legibility, these methods are more limited in their effectiveness than the space-derived image enhancement technique. The aim of the JPL effort with Caltech and others is to better define the requirements for a system to restore illegible information for study at a low page-cost with simple operating procedures. The investigators' principle tools are a vidicon camera and an image processing computer program, the same equipment used to produce sharp space pictures. The camera is the same type as those on NASA's Mariner spacecraft which returned to Earth thousands of images of Mars, Venus and Mercury. Space imagery works something like television. The vidicon camera does not take a photograph in the ordinary sense; rather it "scans" a scene, recording different light and shade values which are reproduced as a pattern of dots, hundreds of dots to a line, hundreds of lines in the total picture. The dots are transmitted to an Earth receiver, where they are assembled line by line to form a picture like that on the home TV screen.

Invisible costs, visible savings.

Science.gov (United States)

Lefever, G

1999-08-01

By identifying hidden inventory costs, nurse managers can save money for the organization. Some measures include tracking and standardizing supplies, accurately evaluating patients' needs, and making informed purchasing decisions.

Diversidades visibles e invisibles

Directory of Open Access Journals (Sweden)

Anita Krainer

2013-09-01

Full Text Available Trece millones de personas viven en Ecuador, territorio caracterizado por poseer una mega diversidad biológica y cultural. En el país conviven población blanca, mestiza, indígena y afro ecuatoriana. Los pueblos indígenas se asientan en las cuatro regiones geográficas del país. La población afro ecuatoriana se asienta en la provincia de Esmeraldas, en la Costa, y en la provincia de Imbabura, en la Sierra, por efectos de la migración existen también importantes asentamientos afro ecuatorianos en Quito y Guayaquil. Los territorios que limitan con Colombia han recibido en los últimos años refugiados y desplazados campesinos e indígenas. Debemos considerar que los pueblos awa kwaiker, siona, secoya y shuar se asientan en los dos territorios

Verbal lie detection

NARCIS (Netherlands)

Vrij, Aldert; Taylor, Paul J.; Picornell, Isabel; Oxburgh, Gavin; Myklebust, Trond; Grant, Tim; Milne, Rebecca

2015-01-01

In this chapter, we discuss verbal lie detection and will argue that speech content can be revealing about deception. Starting with a section discussing the, in our view, myth that non-verbal behaviour would be more revealing about deception than speech, we then provide an overview of verbal lie

Invisibility, safety and psycho-social distress among same-sex attracted women in rural South Australia.

Science.gov (United States)

Edwards, Jane

2005-01-01

Available work from North America indicates that same-sex attracted (SSA) individuals enjoy aspects of rural life but nonetheless report encountering homophobia and experiencing isolation from SSA networks. The experience of prejudice and social isolation are often associated with psycho-social distress among the general population of same-sex attracted individuals. Little is known of how SSA women experience life in rural areas of Australia and how this influences their psycho-social wellbeing. This was a small-scale qualitative study using guided interviews to explore the experience of SSA women living in rural areas of South Australia. Seven women identifying as same-sex attracted were interviewed. In addition, a woman who provides a counseling and support service for same-sex attracted women was also interviewed. All interviews were audiotaped and transcribed verbatim and were then analysed for emergent themes. Summaries of the interviews, based on the emergent themes, were sent to all interviewees so that they could verify or challenge the validity of the emergent themes, as well as to allow them to remove any information they felt might identify them. Most women had felt 'different' while growing up; almost unanimously describing themselves as having been 'tomboys'. However, the lack of visible SSA role models in rural areas, together with a lack of SSA social networks, did not allow some of the women to identify and name their same-sex attraction. For many of the women in this study, it was visits to the state capital, where they had the opportunity to meet other SSA women, which precipitated them identifying themselves as same-sex attracted. In light of this new knowledge, some women denied their same-sex attraction and entered into heterosexual relationships, often entailing marriage. Other women entered same-sex relationships but tried to keep them invisible within their communities. Rural communities are frequently close-knit environments, where

Improvement in visibility of simulated lung nodules on computed radiography (CR) chest images by use of temporal subtraction technique

International Nuclear Information System (INIS)

Oda, Nobuhiro; Fujimoto, Keiji; Murakami, Seiichi; Katsuragawa, Shigehiko; Doi, Kunio; Nakata, Hajime

1999-01-01

A temporal subtraction image obtained by subtraction of a previous image from a current one can enhance interval change on chest images. In this study, we compared the visibility of simulated lung nodules on CR images with and without temporal subtraction. Chest phantom images without and with simulated nodules were obtained as previous and current images, respectively, by a CR system. Then, subtraction images were produced with an iterative image warping technique. Twelve simulated nodules were attached on various locations of the chest phantom. The diameter of nodules having a CT number of 47 ranged from 3 mm to 10 mm. Seven radiologists subjectively evaluated the visibility of simulated nodules on CR images with and without temporal subtraction using a three-point rating scale (0: invisible, +1: questionable, +2:visible). The minimum diameter of simulated nodules visible at a frequency greater than 50% was 4 mm on the CR images with temporal subtraction and 6 mm on those without. Our results indicated that the subtraction images clearly improved the visibility of simulated nodules. (author)

Disclosing and concealing: internet governance, information control and the management of visibility

Directory of Open Access Journals (Sweden)

Mikkel Flyverbom

2016-09-01

Full Text Available The ubiquity of digital technologies and the datafication of many domains of social life raise important questions about governance. In the emergent field of internet governance studies, most work has explored novel governance arrangements, institutional developments and the effects of interactions among public and private actors in the emergence of the internet as a matter of concern in global politics. But the digital realm involves more subtle forms of governance and politics that also deserve attention. In this paper, I suggest that the 'ordering' effects of digital infrastructures also revolve around what I term the ‘management of visibilities’. Drawing on insights from science and technology studies and sociologies of visibility, the paper articulates how digital technologies afford and condition ordering through the production of visibilities and the guidance of attention. The basic tenet of the argument is that there is an intimate relationship between seeing, knowing and governing, and that digitalisation and datafication processes fundamentally shape how we make things visible or invisible, knowable or unknowable and governable or ungovernable. Having articulated this conceptual argument, the article offers a number of illustrations of such forms of ordering.

Roma in Slovakia – silent and invisible minority (Social Networking and Pastoral Pentecostal Discourse as a case of giving voice and positive visibility

Directory of Open Access Journals (Sweden)

Tatiana Podolinská

2017-06-01

Full Text Available The contribution is meant to be a micro-case study to the issue of institutional production and reproduction of security of a selected minority group in Slovakia, through tracing the process of social networking and re-construction of the (ethnic identity on a religious basis. Principal attention is paid to the analysis of the transsocial and trans-ethnic discourse and the concept of New Roma as a de-ethnicised and ahistorically constructed label with positive and non-ascriptive connotations. The Pentecostal concept of the Family of God is studied in connection with the perception of the increased feeling of security not only within primary (family networks, but also within hybrid (religion-based networks. The New Roma concept offered to Roma by pastors would increase the potential of Roma to enter also secondary (professional and other kinds of networks within the mainstream society and allow them positive visibility at the mezzo-level of society. The new forms of social networking hand in hand with the new concept of de-ethnicised and deessentialised identity would allow Roma to change the management techniques from making security through invisibility to a more emancipative and assertive technique employing the paradigm “more visible = more secure”. The author points out the forced ethnicisation of the categories of Rom and Roma nation at the level of the practical discourse. From this point of view, the traditional type of ethnicity (based on traditional definitions of the nationis often intentionally over-communicated. Both ethnicisation (excessive accentuation of the ethnic perspective and de-ethnicisation (itsintentional suppression usually serve as practical (political tools for an objective fixing of the unfavourable position of Roma ethnic minority.This may produce a strong feeling of cultural hostility and insecurity on “both sides”. The author picks up the cases from practice and turns attention to the analysis of the

Empowering the digitally excluded: learning initiatives for (invisible groups

Directory of Open Access Journals (Sweden)

Jane Seale

2012-12-01

Full Text Available There is growing evidence that some digitally excluded groups of learners are receiving more attention than others. Discussions regarding why some digitally excluded learners are more visible than others and therefore worthy of more committed digital inclusion interventions raises important questions about how we define and conceptualise digital inclusion and digital inclusion practice; particularly in relation to empowerment. In this article, we draw on a range of research, practice and policy literature to examine two important questions: what is empowerment and in whose hands does empowerment lie? We argue that empowerment involves making informed choices about technology use, but that learners often require support- human intervention- to make these choices. However, current digital inclusion research has failed to produce a detailed critique of what constitutes empowering support from educational institutions and their staff. A lack of open and reflexive accounts of practice means that we are no closer to identifying and understanding the kinds of empowering practices that are required to challenge the kinds of prejudices, stereotypes, risk-aversiveness and low aspirations associated with the most invisible of digitally excluded learners.

Invisibility: the lived experience of women with cancer of the vulva.

Science.gov (United States)

Jefferies, Hilary; Clifford, Collette

2012-01-01

This study describes an exploration of the lived experience of 13 British women with cancer of the vulva who underwent surgical treatment. A review of the literature highlighted a paucity of knowledge as many studies were conducted during the 1980s and 1990s and investigated sexual functioning only. An interpretive phenomenological approach based on the work of Heidegger and van Manen was used to frame the study by posing the question, "What must it be like to be diagnosed with, and have surgery for a cancer of the vulva?" The women, younger than 50 years, were identified by purposive sampling and interviewed between 6 months and 5 years after surgery. The data were analyzed using framework analysis. The women's lived experience is described in its entirety by the concept of invisibility, characterized as something "no one can see," "heard of," and "talks about." The impact of this invisibility is discussed as the "invisibility of understanding" and "invisibility of support." Although many women may expect to be cured of their vulval cancer, the invisible nature of the condition and the resulting lack of understanding and support may continue for a considerable period, as every aspect of their everyday life and in their relationships may be affected. The challenge now is to raise awareness of this condition and provide greater informational and emotional support for these women.

Heidegger’s phenomenology of the invisible

Directory of Open Access Journals (Sweden)

Andrzej SERAFIN

2016-12-01

Full Text Available Martin Heidegger has retrospectively characterized his philosophy as “phenomenology of the invisible”. This paradoxical formula suggests that the aim of his thinking was to examine the origin of the phenomena. Furthermore, Heidegger has also stated that his philosophy is ultimately motivated by a theological interest, namely the question of God’s absence. Following the guiding thread of those remarks, this essay analyzes the essential traits of Heidegger’s thought by interpreting them as an attempt to develop a phenomenology of the invisible. Heidegger’s attitude towards physics and metaphysics, his theory of truth, his reading of Aristotle, his concept of Dasein, his understanding of nothingness are all situated within the problematic context of the relation between the invisible and the revealed. Heidegger’s thought is thereby posited at the point of intersection of phenomenology, ontology, and theology.

Design of invisibility cloaks with an open tunnel.

Science.gov (United States)

Ako, Thomas; Yan, Min; Qiu, Min

2010-12-20

In this paper we apply the methodology of transformation optics for design of a novel invisibility cloak which can possess an open tunnel. Such a cloak facilitates the insertion (retrieval) of matter into (from) the cloak's interior without significantly affecting the cloak's performance, overcoming the matter exchange bottleneck inherent to most previously proposed cloak designs.We achieve this by applying a transformation which expands a point at the origin in electromagnetic space to a finite area in physical space in a highly anisotropic manner. The invisibility performance of the proposed cloak is verified by using full-wave finite-element simulations.

Dissociation of neural correlates of verbal and non-verbal visual working memory with different delays

Directory of Open Access Journals (Sweden)

Endestad Tor

2007-10-01

Full Text Available Abstract Background Dorsolateral prefrontal cortex (DLPFC, posterior parietal cortex, and regions in the occipital cortex have been identified as neural sites for visual working memory (WM. The exact involvement of the DLPFC in verbal and non-verbal working memory processes, and how these processes depend on the time-span for retention, remains disputed. Methods We used functional MRI to explore the neural correlates of the delayed discrimination of Gabor stimuli differing in orientation. Twelve subjects were instructed to code the relative orientation either verbally or non-verbally with memory delays of short (2 s or long (8 s duration. Results Blood-oxygen level dependent (BOLD 3-Tesla fMRI revealed significantly more activity for the short verbal condition compared to the short non-verbal condition in bilateral superior temporal gyrus, insula and supramarginal gyrus. Activity in the long verbal condition was greater than in the long non-verbal condition in left language-associated areas (STG and bilateral posterior parietal areas, including precuneus. Interestingly, right DLPFC and bilateral superior frontal gyrus was more active in the non-verbal long delay condition than in the long verbal condition. Conclusion The results point to a dissociation between the cortical sites involved in verbal and non-verbal WM for long and short delays. Right DLPFC seems to be engaged in non-verbal WM tasks especially for long delays. Furthermore, the results indicate that even slightly different memory maintenance intervals engage largely differing networks and that this novel finding may explain differing results in previous verbal/non-verbal WM studies.

The invisible hand: regulation of RHO GTPases by RHOGDIs

OpenAIRE

Garcia-Mata, Rafael; Boulter, Etienne; Burridge, Keith

2011-01-01

The 'invisible hand' is a term originally coined by Adam Smith in the Theory of Moral Sentiments to describe the forces of self-interest, competition, and supply and demand that regulate the resources in society. This metaphor continues to be used by economists to describe the self-regulating nature of a market economy. The same metaphor can be used to describe the RHO-specific guanine nucleotide dissociation inhibitor (RHOGDI) family, which operates in the background, as an invisible hand, u...

Erasing Bisexual Identity: The Visibility and Invisibility of Bisexuality as a Sexual Identity in the Dutch Homosexual Movement, 1946-1972.

Science.gov (United States)

van Alphen, Elise C J

2017-01-01

Scholars of bisexuality commonly agree that bisexuality as a distinct sexual identity remained invisible for epistemic reasons until the 1970s. This article examines this dominant explanation for the late invention of bisexual identity by discussing how bisexuality functioned in the homosexual movement in the Netherlands from 1946 to the early 1970s. This historical case study shows that in the Netherlands bisexuality as an identity existed in the movement in the first postwar decades and was erased in the late 1960s, not only for epistemic reasons but also for tactical ones. The article aims to contribute to a better insight into the history of bisexuality and the politics in the Dutch postwar homosexual movement.

Extinction cross-section suppression and active acoustic invisibility cloaking

Science.gov (United States)

Mitri, F. G.

2017-10-01

Invisibility in its canonical form requires rendering a zero extinction cross-section (or energy efficiency) from an active or a passive object. This work demonstrates the successful theoretical realization of this physical effect for an active cylindrically radiating acoustic body, undergoing periodic axisymmetric harmonic vibrations near a flat rigid boundary. Radiating, amplification and extinction cross-sections of the active source are defined. Assuming monopole and dipole modal oscillations of the circular source, conditions are found where the extinction energy efficiency factor of the active source vanishes, achieving total invisibility with minimal influence of the source size. It also takes positive or negative values, depending on its size and distance from the boundary. Moreover, the amplification energy efficiency factor is negative for the acoustically-active source. These effects also occur for higher-order modal oscillations of the active source. The results find potential applications in the development of acoustic cloaking devices and invisibility.

Extinction cross-section suppression and active acoustic invisibility cloaking

International Nuclear Information System (INIS)

Mitri, F G

2017-01-01

Invisibility in its canonical form requires rendering a zero extinction cross-section (or energy efficiency) from an active or a passive object. This work demonstrates the successful theoretical realization of this physical effect for an active cylindrically radiating acoustic body, undergoing periodic axisymmetric harmonic vibrations near a flat rigid boundary. Radiating, amplification and extinction cross-sections of the active source are defined. Assuming monopole and dipole modal oscillations of the circular source, conditions are found where the extinction energy efficiency factor of the active source vanishes, achieving total invisibility with minimal influence of the source size. It also takes positive or negative values, depending on its size and distance from the boundary. Moreover, the amplification energy efficiency factor is negative for the acoustically-active source. These effects also occur for higher-order modal oscillations of the active source. The results find potential applications in the development of acoustic cloaking devices and invisibility. (letter)

What’s in a Friendship? Partner Visibility Supports Cognitive Collaboration between Friends

Science.gov (United States)

Brennan, Allison A.; Enns, James T.

2015-01-01

Not all cognitive collaborations are equally effective. We tested whether friendship and communication influenced collaborative efficiency by randomly assigning participants to complete a cognitive task with a friend or non-friend, while visible to their partner or separated by a partition. Collaborative efficiency was indexed by comparing each pair’s performance to an optimal individual performance model of the same two people. The outcome was a strong interaction between friendship and partner visibility. Friends collaborated more efficiently than non-friends when visible to one another, but a partition that prevented pair members from seeing one another reduced the collaborative efficiency of friends and non-friends to a similar lower level. Secondary measures suggested that verbal communication differences, but not psychophysiological arousal, contributed to these effects. Analysis of covariance indicated that females contributed more than males to overall levels of collaboration, but that the interaction of friendship and visibility was independent of that effect. These findings highlight the critical role of partner visibility in the collaborative success of friends. PMID:26619079

Interpersonal Interactions in Instrumental Lessons: Teacher/Student Verbal and Non-Verbal Behaviours

Science.gov (United States)

Zhukov, Katie

2013-01-01

This study examined verbal and non-verbal teacher/student interpersonal interactions in higher education instrumental music lessons. Twenty-four lessons were videotaped and teacher/student behaviours were analysed using a researcher-designed instrument. The findings indicate predominance of student and teacher joke among the verbal behaviours with…

Broadband three-dimensional diamond-shaped invisible cloaks composed of tetrahedral homogeneous blocks

International Nuclear Information System (INIS)

Wang Xinhua; Qu Shaobo; Wu Xiang; Wang Jiafu; Ma Hua; Xu Zhuo

2010-01-01

By means of embedded optical transformation, three-dimensional diamond-shaped invisible cloaks composed of tetrahedral homogeneous blocks have been designed in this paper. The constitutive parameters of the invisible cloaks can be obtained based on the form invariance of Maxwell's equations in coordinate transformation. Numerical methods using the finite element method verified the diamond-shaped cloaks. The invisible properties of the designed cloaks are nearly perfect when the original line section is sufficiently short compared with its counterpart in the after-transformed space. The designed cloaks can operate in a wide bandwidth due to the line transformation in the coordinate transformation process.

The role of interaction of verbal and non-verbal means of communication in different types of discourse

OpenAIRE

Orlova M. А.

2010-01-01

Communication relies on verbal and non-verbal interaction. To be most effective, group members need to improve verbal and non-verbal communication. Non-verbal communication fulfills functions within groups that are sometimes difficult to communicate verbally. But interpreting non-verbal messages requires a great deal of skill because multiple meanings abound in these messages.

Non-invasive quick diagnosis of cardiovascular problems from visible and invisible abnormal changes with increased cardiac troponin I appearing on cardiovascular representation areas of the eyebrows, left upper lip, etc. of the face & hands: beneficial manual stimulation of hands for acute anginal chest pain, and important factors in safe, effective treatment.

Science.gov (United States)

Omura, Yoshiaki; Jones, Marilyn K; Duvvi, Harsha; Shimotsuura, Yasuhiro; Ohki, Motomu; Rodriques, Aaron

2014-01-01

Our previous study indicated that there are at least 7 cardiovascular representation areas on the face, including the "Eyebrows", both sides of the "Nose", "Lelt Upper Lip" and the "Outside of the corner of both sides of the mouth," in addition to 2 areas in each hand. When there are cardiovascular problems, some of the heart representation areas of these areas often show the following changes: 1) Most distinctive visible changes such as the initial whitening with or without long white hair, then hair loss and complete disappearance of the hairs of the heart representation area of "Eyebrows" 2) Invisible biochemical changes that happen in heart representation areas at the "Left Upper Lips", 3) "Nose" below eye level as well as 4) "3rd segment of Middle Finger of Hands." Most distinctive visible & invisible changes are found in heart representation areas on the "Eyebrow", located nearest to the midline of face, where the color of the hairs becomes white compared with the rest of the Eyebrow. Then the cardiovascular problem advances, and hair starts disappearing. When there are no hairs at the heart representation areas of the Eyebrow, usually Cardiac Troponin I is increased to a very serious, abnormal high value. Most of the cardiovascular representation areas of the face show, regardless of presence or absence of visible change. When there is a cardiovascular problem, not only simple Bi-Digital O-Ring Test can detect without using any instrument in several minutes but also, corresponding biochemical changes of abnormally increased Cardiac Troponin I level can often be detected non-invasively from these Organ Representation Areas of Face & Hands, although changes in Eyebrows, L-Upper Lip & 3rd segment of middle fingers are clinically the most reliable changes & easy to identify the locations. Manual Stimulation of Hand's heart representation areas often eliminated acute anginal chest pain before medical help became available. Important factors for safe, effective

Fangirls in refrigerators: The politics of (invisibility in comic book culture

Directory of Open Access Journals (Sweden)

Suzanne Scott

2013-06-01

Full Text Available In 1999, Gail Simone circulated a list of female comic book characters who had been "depowered, raped, or cut up and stuck in the refrigerator," sparking a dialogue about gender and comic book culture that continues today. In particular, 2011 and 2012 have been marked by an exponential growth in conversations and criticisms surrounding the state of women in comics, both as producers and consumers. Through a survey of how scholars have gendered comic book readership, an overview of recent incidents that have renewed concern about women in comics, and an analysis of one transformative intervention in the wake of these conversations, this essay broadly discusses the relative invisibility of female comic book fans as a market segment and how fangirls are actively striving to become a visible and vocal force within comic book culture. This essay suggests that we are currently witnessing a transformative moment within comic book industry, comic book fandom, and comic book scholarship, in which gender is one of the primary axes of change.

The 'Invisible' Metal Particles in Catalysis

NARCIS (Netherlands)

Koningsberger, D.C.; Diaz-Moreno, S.; Muñoz-Paez, A.

1997-01-01

An easy, reliable and straightforward method to determine the sizes of small metal particles in supported metal catalyst which are invisible for most techniques (chemisorption, XRD, HRTEM) is presented. The technique we consider more appropriate is EXAFS, because it detects metal metal bonds even

Axions: on the way to invisibility

International Nuclear Information System (INIS)

Girardi, G.

1982-01-01

We present a survey of the theoretical motivation which lead to the axion and we summarize its properties. A brief account of the experimental situation is given, which in addition to cosmological constraints imposes to the axion the way of invisibility in Grand Unified Theories

The 'invisible hand': regulation of RHO GTPases by RHOGDIs.

Science.gov (United States)

Garcia-Mata, Rafael; Boulter, Etienne; Burridge, Keith

2011-07-22

The 'invisible hand' is a term originally coined by Adam Smith in The Theory of Moral Sentiments to describe the forces of self-interest, competition and supply and demand that regulate the resources in society. This metaphor continues to be used by economists to describe the self-regulating nature of a market economy. The same metaphor can be used to describe the RHO-specific guanine nucleotide dissociation inhibitor (RHOGDI) family, which operates in the background, as an invisible hand, using similar forces to regulate the RHO GTPase cycle.

The invisible hand: regulation of RHO GTPases by RHOGDIs

Science.gov (United States)

Garcia-Mata, Rafael; Boulter, Etienne; Burridge, Keith

2011-01-01

Preface The 'invisible hand' is a term originally coined by Adam Smith in the Theory of Moral Sentiments to describe the forces of self-interest, competition, and supply and demand that regulate the resources in society. This metaphor continues to be used by economists to describe the self-regulating nature of a market economy. The same metaphor can be used to describe the RHO-specific guanine nucleotide dissociation inhibitor (RHOGDI) family, which operates in the background, as an invisible hand, using similar forces to regulate the RHO GTPase cycle. PMID:21779026

Slow light invisibility, teleportation, and other mysteries of light

CERN Document Server

Perkowitz, Sidney

2011-01-01

Slow Light is a popular treatment of today's astonishing breakthroughs in the science of light. Even though we don't understand light's quantum mysteries, we can slow it to a stop and speed it up beyond its Einsteinian speed limit, 186,000 miles/sec; use it for quantum telecommunications; teleport it; manipulate it to create invisibility; and perhaps generate hydrogen fusion power with it. All this is lucidly presented for non-scientists who wonder about teleportation, Harry Potter invisibility cloaks, and other fantastic outcomes. Slow Light shows how the real science and the fantasy inspire

A self-assembled three-dimensional cloak in the visible

KAUST Repository

Mü hlig, Stefan; Cunningham, Alastair; Dintinger, José ; Farhat, Mohamed; Hasan, Shakeeb Bin; Scharf, Toralf; Bü rgi, Thomas; Lederer, Falk; Rockstuhl, Carsten

2013-01-01

An invisibility cloak has been designed, realized and characterized. The cloak hides free-standing sub-wavelength three-dimensional objects at the short wavelength edge of the visible spectrum. By a bottom-up approach the cloak was self-assembled around the object. Such fabrication approach constitutes a further important step towards real world applications of cloaking; leaving the realm of curiosity. The cloak and the way it was fabricated opens an avenue for many spectacular nanooptical applications such as non-disturbing sensors and photo-detectors, highly efficient solar cells, or optical nanoantenna arrays with strongly suppressed cross-talk to mention only a few. Our results rely on the successful combination of concepts from various disciplines, i.e. chemistry, material science, and plasmonics. Consequently, this work will stimulate these fields by unraveling new paths for future research.

A self-assembled three-dimensional cloak in the visible

KAUST Repository

Mühlig, Stefan

2013-08-07

An invisibility cloak has been designed, realized and characterized. The cloak hides free-standing sub-wavelength three-dimensional objects at the short wavelength edge of the visible spectrum. By a bottom-up approach the cloak was self-assembled around the object. Such fabrication approach constitutes a further important step towards real world applications of cloaking; leaving the realm of curiosity. The cloak and the way it was fabricated opens an avenue for many spectacular nanooptical applications such as non-disturbing sensors and photo-detectors, highly efficient solar cells, or optical nanoantenna arrays with strongly suppressed cross-talk to mention only a few. Our results rely on the successful combination of concepts from various disciplines, i.e. chemistry, material science, and plasmonics. Consequently, this work will stimulate these fields by unraveling new paths for future research.

The visibility of non-communicable diseases in northern Uganda

DEFF Research Database (Denmark)

Whyte, Susan Reynolds; Park, Sung-Joon; Odong, George

2015-01-01

Background : WHO and Uganda’s Ministry of Health emphasize the need to address the growing burden of non-communicable diseases (NCDs). Treatment for these conditions is urgent in northern Uganda where war has negatively affected both health and the public health care system. Objectives : We aimed...... to explore the recognized presence of selected chronic conditions in the out-patient population and to relate this ‘visibility’ to the ability of health units to diagnose and treat them. Methods : At six health facilities we reviewed patient registers for one month to determine the frequency of hypertension...... : The four conditions are relatively invisible in the outpatient population. Greater visibility would be facilitated by regular clinic days for hypertension and diabetes, availability and regular use of diagnostic instruments, and a more reliable supply of the relevant medicines....

Making the invisible visible: near-infrared spectroscopy and phlebotomy in children.

Science.gov (United States)

Strehle, Eugen-Matthias

2010-10-01

Phlebotomy and venous cannulation are the most frequently performed and the most distressing invasive procedures in pediatrics. The aim of this pilot study was to assess whether a novel vein imaging system was advantageous for the identification of superficial veins, thus reducing the number of skin punctures. The Vein Viewer was trialled in 50 children <16 years of age who required venous blood sampling or peripheral venous catheterization as part of their standard clinical care. A questionnaire with 10 questions about their experience of using this equipment was distributed to the pediatric doctors and nurses performing the procedures. During a 9-month period, 38 venipunctures and 12 cannulations were performed in 50 children (mean age 6.67 years). On average, 1.7 puncture attempts per child were necessary. Fifty questionnaires were completed by 11 consultants, 16 registrars, 20 senior house officers, and 3 nurses. Seventy-two percent rated the imaging device as useful, 8% as not useful, and 20% remained neutral. Visibility of the peripheral veins was improved in 76% of children, and the same as with room light in 24%. Near-infrared technology facilitated venipuncture and venous cannulation in a pediatric cohort. Further, controlled trials are required including children of specific age groups and those from ethnic minorities.

Incongruence between Verbal and Non-Verbal Information Enhances the Late Positive Potential.

Science.gov (United States)

Morioka, Shu; Osumi, Michihiro; Shiotani, Mayu; Nobusako, Satoshi; Maeoka, Hiroshi; Okada, Yohei; Hiyamizu, Makoto; Matsuo, Atsushi

2016-01-01

Smooth social communication consists of both verbal and non-verbal information. However, when presented with incongruence between verbal information and nonverbal information, the relationship between an individual judging trustworthiness in those who present the verbal-nonverbal incongruence and the brain activities observed during judgment for trustworthiness are not clear. In the present study, we attempted to identify the impact of incongruencies between verbal information and facial expression on the value of trustworthiness and brain activity using event-related potentials (ERP). Combinations of verbal information [positive/negative] and facial expressions [smile/angry] expressions were presented randomly on a computer screen to 17 healthy volunteers. The value of trustworthiness of the presented facial expression was evaluated by the amount of donation offered by the observer to the person depicted on the computer screen. In addition, the time required to judge the value of trustworthiness was recorded for each trial. Using electroencephalography, ERP were obtained by averaging the wave patterns recorded while the participants judged the value of trustworthiness. The amount of donation offered was significantly lower when the verbal information and facial expression were incongruent, particularly for [negative × smile]. The amplitude of the early posterior negativity (EPN) at the temporal lobe showed no significant difference between all conditions. However, the amplitude of the late positive potential (LPP) at the parietal electrodes for the incongruent condition [negative × smile] was higher than that for the congruent condition [positive × smile]. These results suggest that the LPP amplitude observed from the parietal cortex is involved in the processing of incongruence between verbal information and facial expression.

First search for invisible decays of ortho-positronium confined in a vacuum cavity

OpenAIRE

Vigo, C.; Gerchow, L.; Liszkay, L.; Rubbia, A.; Crivelli, P.

2018-01-01

The experimental setup and results of the first search for invisible decays of ortho-positronium (o-Ps) confined in a vacuum cavity are reported. No evidence of invisible decays at a level $\\text{Br}\\left(\\text{o-Ps}\\to\\text{invisible}\\right) < 5.9\\times 10^{-4}$ (90% C. L.) was found. This decay channel is predicted in Hidden Sector models such as the Mirror Matter (MM), which could be a candidate for Dark Matter. Analyzed within the MM context, this result provides an upper limit on the kin...

Visualizing the Invisible College: Community among Authors in Top Social Work Journals

Science.gov (United States)

Woehle, Ralph

2012-01-01

A review of literature related to the existence of an invisible college community among coauthors of articles in top-rated social work journals indicated that an invisible college could promote quality scholarship but that coauthoring might be inadequately studied or valued in social work education. Social network analysis revealed a skeletal…

Invisible Axions and Large-Radius Compactifications

CERN Document Server

Dienes, Keith R.; Gherghetta, Tony; Dienes, Keith R.; Dudas, Emilian; Gherghetta, Tony

2000-01-01

We study some of the novel effects that arise when the QCD axion is placed in the ``bulk'' of large extra spacetime dimensions. First, we find that the mass of the axion can become independent of the energy scale associated with the breaking of the Peccei-Quinn symmetry. This implies that the mass of the axion can be adjusted independently of its couplings to ordinary matter, thereby providing a new method of rendering the axion invisible. Second, we discuss the new phenomenon of laboratory axion oscillations (analogous to neutrino oscillations), and show that these oscillations cause laboratory axions to ``decohere'' extremely rapidly as a result of Kaluza-Klein mixing. This decoherence may also be a contributing factor to axion invisibility. Third, we discuss the role of Kaluza-Klein axions in axion-mediated processes and decays, and propose several experimental tests of the higher-dimensional nature of the axion. Finally, we show that under certain circumstances, the presence of an infinite tower of Kaluza...

Verbal Reports as Data.

Science.gov (United States)

Ericsson, K. Anders; Simon, Herbert A.

1980-01-01

Accounting for verbal reports requires explication of the mechanisms by which the reports are generated and influenced by experimental factors. We discuss different cognitive processes underlying verbalization and present a model of how subjects, when asked to think aloud, verbalize information from their short-term memory. (Author/GDC)

Invisible Engineers

Science.gov (United States)

Ohashi, Hideo

Questionnaire to ask “mention three names of scientists you know” and “three names of engineers you know” was conducted and the answers from 140 adults were analyzed. The results indicated that the image of scientists is represented by Nobel laureates and that of engineers by great inventors like Thomas Edison and industry founders like Soichiro Honda. In order to reveal the image of engineers among young generation, questionnaire was conducted for pupils in middle and high schools. Answers from 1,230 pupils were analyzed and 226 names mentioned as engineers were classified. White votes reached 60%. Engineers who are neither big inventors nor company founders collected less than 1% of named votes. Engineers are astonishingly invisible from young generation. Countermeasures are proposed.

Going beyond Google again strategies for using and teaching the invisible web

CERN Document Server

Devine, Jane

2014-01-01

Demonstrating why teaching the Invisible Web should be a requirement for information literacy education in the 21st century, here the authors expand on the teaching foundation provided in the first book and persuasively argue that the Invisible Web is still relevant not only to student research but also to everyday life.

The Invisible Universe Online for Teachers - A SOFIA and SIRTF EPO Project

Science.gov (United States)

Gauthier, A.; Bennett, M.; Buxner, S.; Devore, E.; Keller, J.; Slater, T.; Thaller, M.; Conceptual Astronomy; Physics Education Research CAPER Team

2003-12-01

The SOFIA and SIRTF EPO Programs have partnered with the Conceptual Astronomy and Physics Education Research (CAPER) Team in designing, evaluating, and facilitating an online program for K-12 teachers to experience multiwavelength astronomy. An aggressive approach to online course design and delivery has resulted in a highly successful learning experience for teacher-participants. Important aspects of the Invisible Universe Online will eventually be used as a part of SOFIA's Airborne Ambassadors Program for pre-flight training of educators. The Invisible Universe Online is delivered via WebCT through the Montana State University National Teacher Enhancement Network (http://btc.montana.edu/). Currently in its fourth semester, the course has served 115 K-12 teachers. This distance learning online class presents our search for astronomical origins and provides an enhanced understanding of how astronomers use all energies of light to unfold the secrets of the universe. We cover the long chain of events from the birth of the universe through the formation of galaxies, stars, and planets by focusing on the scientific questions, technological challenges, and space missions pursuing this search for origins. Through textbook and internet readings, inquiry exploration with interactive java applets, and asynchronous discussions, we help our students achieve the following course goals: develop scientific background knowledge of astronomical objects and phenomena at multiple wavelengths; understand contemporary scientific research questions related to how galaxies formed in the early universe and how stars and planetary systems form and evolve; describe strategies and technologies for using non-visible wavelengths of EM radiation to study various phenomena; and integrate related issues of astronomical science and technology into K-12 classrooms. This course is being developed, evaluated, and offered through the support of SOFIA and SIRTF EPO Programs, two NASA infrared missions

The Effects of Verbal and Non-Verbal Features on the Reception of DRTV Commercials

Directory of Open Access Journals (Sweden)

Smiljana Komar

2016-12-01

Full Text Available Analyses of consumer response are important for successful advertising as they help advertisers to find new, original and successful ways of persuasion. Successful advertisements have to boost the product’s benefits but they also have to appeal to consumers’ emotions. In TV advertisements, this is done by means of verbal and non-verbal strategies. The paper presents the results of an empirical investigation whose purpose was to examine the viewers’ emotional responses to a DRTV commercial induced by different verbal and non-verbal features, the amount of credibility and persuasiveness of the commercial and its general acceptability. Our findings indicate that (1 an overload of the same verbal and non-verbal information decreases persuasion; and (2 highly marked prosodic delivery is either exaggerated or funny, while the speaker is perceived as annoying.

Active electromagnetic invisibility cloaking and radiation force cancellation

Science.gov (United States)

Mitri, F. G.

2018-03-01

This investigation shows that an active emitting electromagnetic (EM) Dirichlet source (i.e., with axial polarization of the electric field) in a homogeneous non-dissipative/non-absorptive medium placed near a perfectly conducting boundary can render total invisibility (i.e. zero extinction cross-section or efficiency) in addition to a radiation force cancellation on its surface. Based upon the Poynting theorem, the mathematical expression for the extinction, radiation and amplification cross-sections (or efficiencies) are derived using the partial-wave series expansion method in cylindrical coordinates. Moreover, the analysis is extended to compute the self-induced EM radiation force on the active source, resulting from the waves reflected by the boundary. The numerical results predict the generation of a zero extinction efficiency, achieving total invisibility, in addition to a radiation force cancellation which depend on the source size, the distance from the boundary and the associated EM mode order of the active source. Furthermore, an attractive EM pushing force on the active source directed toward the boundary or a repulsive pulling one pointing away from it can arise accordingly. The numerical predictions and computational results find potential applications in the design and development of EM cloaking devices, invisibility and stealth technologies.

Aprendizaje Invisible. Hacia una nueva ecología de la educación

OpenAIRE

Cobo, Cristóbal; Moravec, John W.

2011-01-01

Índice Carta del Editor Visibilidad para analizar la cara invisible del aprendizaje Por Hugo Pardo Kuklinski 9 Prólogo Una visión más amplia de Internet en el aprendizaje Por William H. Dutton 13 Capítulo 0 Introducción al aprendizaje invisible: la (r)evolución fuera del aula Por Cristóbal Cobo y John W. Moravec 17 Capítulo 1 Desde la sociedad 1.0 a la sociedad 3.0 Por John W. Moravec 47 Capítulo 2 Uso invisible de las tecnologías y competencias para ...

Verbal and Non-Verbal Communication and Coordination in Mission Control

Science.gov (United States)

Vinkhuyzen, Erik; Norvig, Peter (Technical Monitor)

1998-01-01

In this talk I will present some video-materials gathered in Mission Control during simulations. The focus of the presentation will be on verbal and non-verbal communication between the officers in the front and backroom, especially the practices that have evolved around a peculiar communications technology called voice loops.

When risk becomes invisible in the everyday life of day care

DEFF Research Database (Denmark)

Villumsen, Anne Marie; Kristensen, Ole Steen

2016-01-01

Both the identification of children at risk in day care and multidisciplinary collaboration with other professions have a political focus. This study was designed as an organizational field study and attempts to establish a coherent practice of multidisciplinary collaboration between day care...... and their life circumstances become invisible in the everyday life of day care. Due to defensive routines as well as an organizational culture that frames and creates a non-explicitly structured practice using intuitive processes, the problems of children at risk become invisible in the everyday life of day care....... When risk become invisible, it not only impedes the mono-professional help the children receive, it also inhibits a crucial multidisciplinary collaborative provision of support to children at risk and their families. The identification of children at risk seems to be based on an unexamined selection...

Motor system contributions to verbal and non-verbal working memory

Directory of Open Access Journals (Sweden)

Diana A Liao

2014-09-01

Full Text Available Working memory (WM involves the ability to maintain and manipulate information held in mind. Neuroimaging studies have shown that secondary motor areas activate during WM for verbal content (e.g., words or letters, in the absence of primary motor area activation. This activation pattern may reflect an inner speech mechanism supporting online phonological rehearsal. Here, we examined the causal relationship between motor system activity and WM processing by using transcranial magnetic stimulation (TMS to manipulate motor system activity during WM rehearsal. We tested WM performance for verbalizable (words and pseudowords and non-verbalizable (Chinese characters visual information. We predicted that disruption of motor circuits would specifically affect WM processing of verbalizable information. We found that TMS targeting motor cortex slowed response times on verbal WM trials with high (pseudoword vs. low (real word phonological load. However, non-verbal WM trials were also significantly slowed with motor TMS. WM performance was unaffected by sham stimulation or TMS over visual cortex. Self-reported use of motor strategy predicted the degree of motor stimulation disruption on WM performance. These results provide evidence of the motor system’s contributions to verbal and non-verbal WM processing. We speculate that the motor system supports WM by creating motor traces consistent with the type of information being rehearsed during maintenance.

Mechanically Invisible Polymer Coatings

DEFF Research Database (Denmark)

2014-01-01

phase comprises particles, said particles comprising a filler material and an encapsulating coating of a second polymeric material, wherein the backbones of the first and second polymeric materials are the same. The composition may be used in electroactive polymers (EAPs) in order to obtain mechanically......The present invention relates to a composition comprising encapsulated particles in a polymeric material. The composition comprises a continuous phase and a discontinuous phase incorporated therein, wherein the continuous phase comprises a first polymeric material and wherein the discontinuous...... invisible polymer coatings....

Why Information Literacy Is Invisible

OpenAIRE

William Badke

2011-01-01

Despite the many information literacy programs on higher education campuses, the literature of information literacy and the concept of information literacy as a viable academic subject remain hidden to most professors and academic administrators. Information literacy is invisible to academia because it is misunderstood, academic administrators have not put it on their institutions' agendas, the literature of information literacy remains in the library silo, there is a false belief that infor...

How to observe the invisible

International Nuclear Information System (INIS)

Destefanis, G.; Peyret, O.; Darier, P.

2000-01-01

The observation of events and objects by images resulted from the detection of invisible radiation (infrared, X and gamma ray) emitted from these objects, is now more possible. This is mainly due to the progress in the microelectronics and semiconductors devices. With these advanced devices, it is possible to manufacture cameras with TV display size image and high resolution, which have many applications in military, medical and industrial sectors. (author)

The Treatment of Smith's Invisible Hand

Science.gov (United States)

Wight, Jonathan B.

2007-01-01

Adam Smith used the metaphor of an invisible hand to represent the instincts of human nature that direct behavior. Moderated by self-control and guided by proper institutional incentives, actions grounded in instincts can be shown to generate a beneficial social order even if not intended. Smith's concept, however, has been diluted and distorted…

Adam Smith and the Invisible Hand: From Metaphor to Myth

OpenAIRE

Gavin Kennedy

2009-01-01

Adam Smith and the ‘invisible hand’ are nearly synonymous in modern economic thinking. Adam Smith is strongly associated with the invisible hand, understood as a general rule that people in realising their self-interests unintentionally benefit the public good. The attribution to Smith is challengeable. Adam Smith’s use of the metaphor was much more modest; it was re-invented in the 1930s and 1940s onwards to bolster mathematical treatments of capitalism (Samuelson, Friedman) and to sup...

Visuality and reading. Psychological and perceptive dynamics of reading environments (from the printed page to the visual hypertext

Directory of Open Access Journals (Sweden)

Micla Petrelli

2013-02-01

Full Text Available This essay investigates the psychological and perceptive view of reading as a visual fact and looks at its operations in different environments: from the traditional printed page to the more recent electronic page of the e-book, with particular attention reserved to the relationship between "word" (the linguistic aspects covered by the alphabetical vision and "image" (image of the word and image with the word - visual hypertext integrated with verbal texts in e-book. In the light of the studies of the Psychology of perception, Neurophysiology and Phenomenology, the experience of reading is a function that transcends those value systems tending to oppose the categories of verbal and visual, intellect and intuition, logos and disorder. But literature shows even better the inviolability of belonging of word and image, and how the thinking in images consists in building a bridge between the visible trace and the invisible thing.

On Verbal Competence

Directory of Open Access Journals (Sweden)

Zhongxin Dai

2014-04-01

Full Text Available This paper explored a new concept, verbal competence, to present a challenge to Chomsky’s linguistic competence and Hymes’ communicative competence. It is generally acknowledged that Chomsky concerned himself only with the syntactic/grammatical structures, and viewed the speaker’s generation and transformation of syntactic structures as the production of language. Hymes challenged Chomsky’s conception of linguistic competence and argued for an ethnographic or sociolinguistic concept, communicative competence, but his concept is too broad to be adequately grasped and followed in such fields as linguistics and second language acquisition. Communicative competence can include abilities to communicate with nonverbal behaviors, e.g. gestures, postures or even silence. The concept of verbal competence concerns itself with the mental and psychological processes of verbal production in communication. These processes originate from the speaker’s personal experience, in a certain situation of human communication, and with the sudden appearance of the intentional notion, shape up as the meaning images and end up in the verbal expression.

Unidirectional reflection and invisibility in nonlinear media with an incoherent nonlinearity

Science.gov (United States)

Mostafazadeh, Ali; Oflaz, Neslihan

2017-11-01

We give explicit criteria for the reflectionlessness, transparency, and invisibility of a finite-range potential in the presence of an incoherent (intensity-dependent) nonlinearity that is confined to the range of the potential. This allows us to conduct a systematic study of the effects of such a nonlinearity on a locally periodic class of finite-range potentials that display perturbative unidirectional invisibility. We use our general results to examine the effects of a weak Kerr nonlinearity on the behavior of these potentials and show that the presence of nonlinearity destroys the unidirectional invisibility of these potentials. If the strength of the Kerr nonlinearity is so weak that the first-order perturbation theory is reliable, the presence of nonlinearity does not affect the unidirectional reflectionlessness and transmission reciprocity of the potential. We show that the expected violation of the latter is a second order perturbative effect.

A gender- and sexual orientation-dependent spatial attentional effect of invisible images

OpenAIRE

Jiang, Yi; Costello, Patricia; Fang, Fang; Huang, Miner; He, Sheng

2006-01-01

Human observers are constantly bombarded with a vast amount of information. Selective attention helps us to quickly process what is important while ignoring the irrelevant. In this study, we demonstrate that information that has not entered observers' consciousness, such as interocularly suppressed (invisible) erotic pictures, can direct the distribution of spatial attention. Furthermore, invisible erotic information can either attract or repel observers' spatial attention depending on their ...

L'invisible invité

OpenAIRE

Frémy, Anne

2012-01-01

Tiré du site Internet de Onestar Press: ""They’re a kind of cabin or hut, very basic and awkwardly assembled, wedged into the space of the balcony between the guardrail and the wall of the building.The vertical sides are made of plywood, canvas or tarp, and are topped by a vegetal roofing that is more or less dry, more or less green, threaded with palm wattle. These huts are opaque and seem to communicate with apartments…" Excerpt from L’Invisible invité by Anne Frémy, english by Bruce Bender...

Dark matter from late invisible decays to and of gravitinos

Science.gov (United States)

Allahverdi, Rouzbeh; Dutta, Bhaskar; Queiroz, Farinaldo S.; Strigari, Louis E.; Wang, Mei-Yu

2015-03-01

In this work, we sift a simple supersymmetric framework of late invisible decays to and of the gravitino. We study a simple extension of the minimal supersymmetric standard model that includes isosinglet color-triplet superfields and a singlet superfield. We investigate two cases where the gravitino is the lightest supersymmetric particle or the next-to-lightest supersymmetric particle. The next-to-lightest supersymmetric particle decays into two dark matter candidates and has a long lifetime due to gravitationally suppressed interactions. However, because of the absence of any hadronic or electromagnetic products, it satisfies the tight bounds set by big bang nucleosynthesis and the cosmic microwave background. One or both of the dark matter candidates produced in invisible decays can contribute to the amount of dark radiation and suppress perturbations at scales that are being probed by the galaxy power spectrum and the Lyman-alpha forest data. We show that these constraints are satisfied in large regions of the parameter space and, as a result, the late invisible decays to and of the gravitino can be responsible for the entire dark matter relic abundance.

The similar effects of verbal and non-verbal intervening tasks on word recall in an elderly population.

Science.gov (United States)

Williams, B R; Sullivan, S K; Morra, L F; Williams, J R; Donovick, P J

2014-01-01

Vulnerability to retroactive interference has been shown to increase with cognitive aging. Consistent with the findings of memory and aging literature, the authors of the California Verbal Learning Test-II (CVLT-II) suggest that a non-verbal task be administered during the test's delay interval to minimize the effects of retroactive interference on delayed recall. The goal of the present study was to determine the extent to which retroactive interference caused by non-verbal and verbal intervening tasks affects recall of verbal information in non-demented, older adults. The effects of retroactive interference on recall of words during Long-Delay recall on the California Verbal Learning Test-II (CVLT-II) were evaluated. Participants included 85 adults age 60 and older. During a 20-minute delay interval on the CVLT-II, participants received either a verbal (WAIS-III Vocabulary or Peabody Picture Vocabulary Test-IIIB) or non-verbal (Raven's Standard Progressive Matrices or WAIS-III Block Design) intervening task. Similarly to previous research with young adults (Williams & Donovick, 2008), older adults recalled the same number of words across all groups, regardless of the type of intervening task. These findings suggest that the administration of verbal intervening tasks during the CVLT-II do not elicit more retroactive interference than non-verbal intervening tasks, and thus verbal tasks need not be avoided during the delay interval of the CVLT-II.

Neurophysiological Modulations of Non-Verbal and Verbal Dual-Tasks Interference during Word Planning.

Directory of Open Access Journals (Sweden)

Raphaël Fargier

Full Text Available Running a concurrent task while speaking clearly interferes with speech planning, but whether verbal vs. non-verbal tasks interfere with the same processes is virtually unknown. We investigated the neural dynamics of dual-task interference on word production using event-related potentials (ERPs with either tones or syllables as concurrent stimuli. Participants produced words from pictures in three conditions: without distractors, while passively listening to distractors and during a distractor detection task. Production latencies increased for tasks with higher attentional demand and were longer for syllables relative to tones. ERP analyses revealed common modulations by dual-task for verbal and non-verbal stimuli around 240 ms, likely corresponding to lexical selection. Modulations starting around 350 ms prior to vocal onset were only observed when verbal stimuli were involved. These later modulations, likely reflecting interference with phonological-phonetic encoding, were observed only when overlap between tasks was maximal and the same underlying neural circuits were engaged (cross-talk.

Neurophysiological Modulations of Non-Verbal and Verbal Dual-Tasks Interference during Word Planning.

Science.gov (United States)

Fargier, Raphaël; Laganaro, Marina

2016-01-01

Running a concurrent task while speaking clearly interferes with speech planning, but whether verbal vs. non-verbal tasks interfere with the same processes is virtually unknown. We investigated the neural dynamics of dual-task interference on word production using event-related potentials (ERPs) with either tones or syllables as concurrent stimuli. Participants produced words from pictures in three conditions: without distractors, while passively listening to distractors and during a distractor detection task. Production latencies increased for tasks with higher attentional demand and were longer for syllables relative to tones. ERP analyses revealed common modulations by dual-task for verbal and non-verbal stimuli around 240 ms, likely corresponding to lexical selection. Modulations starting around 350 ms prior to vocal onset were only observed when verbal stimuli were involved. These later modulations, likely reflecting interference with phonological-phonetic encoding, were observed only when overlap between tasks was maximal and the same underlying neural circuits were engaged (cross-talk).

40 CFR 63.11 - Control device and work practice requirements.

Science.gov (United States)

2010-07-01

... making visible emissions that may otherwise be invisible to the naked eye. (4) Optical gas imaging instrument means an instrument that makes visible emissions that may otherwise be invisible to the naked eye...) Flares shall be designed for and operated with no visible emissions, except for periods not to exceed a...

''Invisible'' axion detectors

International Nuclear Information System (INIS)

Sikivie, P.

1985-01-01

A brief review is given of various ideas which have been put forth to detect ''invisible'' axions, i.e., axions with f/sub a/ between 3 x 10 7 GeV and 2 x 10 12 GeV. These experiments would attempt to detect the axions which constitute the halo of our galaxy or axions which are emitted by our sun; or they would attempt to detect the force mediated by virtual axions. Various relevant axion parameters are given as f/sub a/. Among the experiments described are: galactic axion detector using a cavity; ''spin coupled'' axion detection; axion to photon conversion in an inhomogeneous static magnetic field; and macroscopic forces mediated by axions. 27 refs

Network structure underlying resolution of conflicting non-verbal and verbal social information.

Science.gov (United States)

Watanabe, Takamitsu; Yahata, Noriaki; Kawakubo, Yuki; Inoue, Hideyuki; Takano, Yosuke; Iwashiro, Norichika; Natsubori, Tatsunobu; Takao, Hidemasa; Sasaki, Hiroki; Gonoi, Wataru; Murakami, Mizuho; Katsura, Masaki; Kunimatsu, Akira; Abe, Osamu; Kasai, Kiyoto; Yamasue, Hidenori

2014-06-01

Social judgments often require resolution of incongruity in communication contents. Although previous studies revealed that such conflict resolution recruits brain regions including the medial prefrontal cortex (mPFC) and posterior inferior frontal gyrus (pIFG), functional relationships and networks among these regions remain unclear. In this functional magnetic resonance imaging study, we investigated the functional dissociation and networks by measuring human brain activity during resolving incongruity between verbal and non-verbal emotional contents. First, we found that the conflict resolutions biased by the non-verbal contents activated the posterior dorsal mPFC (post-dmPFC), bilateral anterior insula (AI) and right dorsal pIFG, whereas the resolutions biased by the verbal contents activated the bilateral ventral pIFG. In contrast, the anterior dmPFC (ant-dmPFC), bilateral superior temporal sulcus and fusiform gyrus were commonly involved in both of the resolutions. Second, we found that the post-dmPFC and right ventral pIFG were hub regions in networks underlying the non-verbal- and verbal-content-biased resolutions, respectively. Finally, we revealed that these resolution-type-specific networks were bridged by the ant-dmPFC, which was recruited for the conflict resolutions earlier than the two hub regions. These findings suggest that, in social conflict resolutions, the ant-dmPFC selectively recruits one of the resolution-type-specific networks through its interaction with resolution-type-specific hub regions. © The Author (2013). Published by Oxford University Press. For Permissions, please email: journals.permissions@oup.com.

Visible and occult microscopic lesions of endometriosis

Directory of Open Access Journals (Sweden)

Khaleque Newaz Khan

2014-11-01

Full Text Available Endometriosis is a multifactorial disease mostly affecting women of reproductive age and is associated with chronic pelvic pain and infertility. Even after 300 years, most of the literature claims that pathogenesis and/or pathophysiology of endometriosis is still elusive. Recurrence of pain and lesion continues to occur after effective medical or surgical therapies. Once generated within the pelvis due to retrograde entry of menstrual debris, peritoneal endometriotic lesions time-dependently change their color appearance resulting from certain biochemical change within lesions. A variable pattern of endometriotic lesions within the pelvis can be detected by laparoscopy as visible peritoneal endometriosis. It is generally believed that besides ovarian steroid hormones, the growth of endometriosis can be regulated by the innate immune system in the pelvic microenvironment by their interaction with endometrial cells and immune cells. Even with the careful eyes of an expert surgeon, we may sometimes miss detecting peritoneal lesion within the peritoneal cavity or deep into the peritoneum. In such a case, random collection of normal peritoneum may carry the possibility to identify some hidden endometriotic lesions by microscopy and these lesions can be named as occult (invisible microscopic endometriosis (OME. Here, we discuss the color appearance of peritoneal lesions and activity of these lesions by analysis of a panel of activity markers. Finally we discuss our recent findings on OME, their biological and clinical significance, and try to make a possible link in the origin between visible endometriosis and OME.

Verbal and non-verbal behaviour and patient perception of communication in primary care: an observational study.

Science.gov (United States)

Little, Paul; White, Peter; Kelly, Joanne; Everitt, Hazel; Gashi, Shkelzen; Bikker, Annemieke; Mercer, Stewart

2015-06-01

Few studies have assessed the importance of a broad range of verbal and non-verbal consultation behaviours. To explore the relationship of observer ratings of behaviours of videotaped consultations with patients' perceptions. Observational study in general practices close to Southampton, Southern England. Verbal and non-verbal behaviour was rated by independent observers blind to outcome. Patients competed the Medical Interview Satisfaction Scale (MISS; primary outcome) and questionnaires addressing other communication domains. In total, 275/360 consultations from 25 GPs had useable videotapes. Higher MISS scores were associated with slight forward lean (an 0.02 increase for each degree of lean, 95% confidence interval [CI] = 0.002 to 0.03), the number of gestures (0.08, 95% CI = 0.01 to 0.15), 'back-channelling' (for example, saying 'mmm') (0.11, 95% CI = 0.02 to 0.2), and social talk (0.29, 95% CI = 0.4 to 0.54). Starting the consultation with professional coolness ('aloof') was helpful and optimism unhelpful. Finishing with non-verbal 'cut-offs' (for example, looking away), being professionally cool ('aloof'), or patronising, ('infantilising') resulted in poorer ratings. Physical contact was also important, but not traditional verbal communication. These exploratory results require confirmation, but suggest that patients may be responding to several non-verbal behaviours and non-specific verbal behaviours, such as social talk and back-channelling, more than traditional verbal behaviours. A changing consultation dynamic may also help, from professional 'coolness' at the beginning of the consultation to becoming warmer and avoiding non-verbal cut-offs at the end. © British Journal of General Practice 2015.

Consonant Differentiation Mediates the Discrepancy between Non-verbal and Verbal Abilities in Children with ASD

Science.gov (United States)

Key, A. P.; Yoder, P. J.; Stone, W. L.

2016-01-01

Background: Many children with autism spectrum disorder (ASD) demonstrate verbal communication disorders reflected in lower verbal than non-verbal abilities. The present study examined the extent to which this discrepancy is associated with atypical speech sound differentiation. Methods: Differences in the amplitude of auditory event-related…

Attentional load modulates responses of human primary visual cortex to invisible stimuli.

Science.gov (United States)

Bahrami, Bahador; Lavie, Nilli; Rees, Geraint

2007-03-20

Visual neuroscience has long sought to determine the extent to which stimulus-evoked activity in visual cortex depends on attention and awareness. Some influential theories of consciousness maintain that the allocation of attention is restricted to conscious representations [1, 2]. However, in the load theory of attention [3], competition between task-relevant and task-irrelevant stimuli for limited-capacity attention does not depend on conscious perception of the irrelevant stimuli. The critical test is whether the level of attentional load in a relevant task would determine unconscious neural processing of invisible stimuli. Human participants were scanned with high-field fMRI while they performed a foveal task of low or high attentional load. Irrelevant, invisible monocular stimuli were simultaneously presented peripherally and were continuously suppressed by a flashing mask in the other eye [4]. Attentional load in the foveal task strongly modulated retinotopic activity evoked in primary visual cortex (V1) by the invisible stimuli. Contrary to traditional views [1, 2, 5, 6], we found that availability of attentional capacity determines neural representations related to unconscious processing of continuously suppressed stimuli in human primary visual cortex. Spillover of attention to cortical representations of invisible stimuli (under low load) cannot be a sufficient condition for their awareness.

40 CFR 60.18 - General control device and work practice requirements.

Science.gov (United States)

2010-07-01

... visible emissions that may otherwise be invisible to the naked eye. (4) Optical gas imaging instrument means an instrument that makes visible emissions that may otherwise be invisible to the naked eye. (5...) through (f) apply to flares. (c)(1) Flares shall be designed for and operated with no visible emissions as...

Can verbal working memory training improve reading?

Science.gov (United States)

Banales, Erin; Kohnen, Saskia; McArthur, Genevieve

2015-01-01

The aim of the current study was to determine whether poor verbal working memory is associated with poor word reading accuracy because the former causes the latter, or the latter causes the former. To this end, we tested whether (a) verbal working memory training improves poor verbal working memory or poor word reading accuracy, and whether (b) reading training improves poor reading accuracy or verbal working memory in a case series of four children with poor word reading accuracy and verbal working memory. Each child completed 8 weeks of verbal working memory training and 8 weeks of reading training. Verbal working memory training improved verbal working memory in two of the four children, but did not improve their reading accuracy. Similarly, reading training improved word reading accuracy in all children, but did not improve their verbal working memory. These results suggest that the causal links between verbal working memory and reading accuracy may not be as direct as has been assumed.

Nurses' visibility according to the perceptions of the communication professionals.

Science.gov (United States)

Kemmer, Ligia Fahl; Paes da Silva, Maria Júlia

2007-01-01

This study aimed to further our understanding of the social representations of nurses and the nursing profession by communication professionals, since they are intermediates in the decoding of imaging and written representations about society. this is a qualitative study, based on the social representation theory of Moscovici. Five communication professionals working on radio, television, written press, advertising and events were interviewed. Results suggest 1) ignorance about the nurse's field of work, job market and nursing profession categorization. 2) nurses' invisibility before the media and society and 3) nurse's own responsibility to obtain professional recognition and visibility. Participants in this study pointed two essential processes for building a more coherent image of nursing and nurses: 1) exposing the profession primarily before the media, which ignores its potentialities, and 2) through the media in order to reach the population in general.

The scattering of a cylindrical invisibility cloak: reduced parameters and optimization

DEFF Research Database (Denmark)

Peng, Liang; Ran, L.; Mortensen, Asger

2011-01-01

We investigate the scattering of 2D cylindrical invisibility cloaks with simplified constitutive parameters with the assistance of scattering coefficients. We show that the scattering of the cloaks originates not only from the boundary conditions but also from the spatial variation of the component...... of permittivity/permeability. According to our formulation, we propose some restrictions to the invisibility cloak in order to minimize its scattering after the simplification has taken place. With our theoretical analysis, it is possible to design a simplified cloak using some peculiar composites...

Another Distortion of Adam Smith: The Case of the "Invisible Hand"

OpenAIRE

Michael Meeropol

2004-01-01

This paper addresses a major omission in the way textbook writers and journalists utilize Adam Smith’s concept of the “invisible hand” to make Adam Smith an intellectual precursor of modern neo-liberal economic policy. Specifically, the paper addresses the use of the concept of the “invisible hand” by Adam Smith to address two major issues in the debate over neo-liberal policy: the international flow of capital and its role in the location of investment projects and the inequality in the dist...

Experimental verification of free-space singular boundary conditions in an invisibility cloak

International Nuclear Information System (INIS)

Wu, Qiannan; Gao, Fei; Song, Zhengyong; Lin, Xiao; Zhang, Youming; Zhang, Baile; Chen, Huanyang

2016-01-01

A major issue in invisibility cloaking, which caused intense mathematical discussions in the past few years but still remains physically elusive, is the plausible singular boundary conditions associated with the singular metamaterials at the inner boundary of an invisibility cloak. The perfect cloaking phenomenon, as originally proposed by Pendry et al for electromagnetic waves, cannot be treated as physical before a realistic inner boundary of a cloak is demonstrated. Although a recent demonstration has been done in a waveguide environment, the exotic singular boundary conditions should apply to a general environment as in free space. Here we fabricate a metamaterial surface that exhibits the singular boundary conditions and demonstrate its performance in free space. Particularly, the phase information of waves reflected from this metamaterial surface is explicitly measured, confirming the singular responses of boundary conditions for an invisibility cloak. (paper)

Experimental verification of free-space singular boundary conditions in an invisibility cloak

Science.gov (United States)

Wu, Qiannan; Gao, Fei; Song, Zhengyong; Lin, Xiao; Zhang, Youming; Chen, Huanyang; Zhang, Baile

2016-04-01

A major issue in invisibility cloaking, which caused intense mathematical discussions in the past few years but still remains physically elusive, is the plausible singular boundary conditions associated with the singular metamaterials at the inner boundary of an invisibility cloak. The perfect cloaking phenomenon, as originally proposed by Pendry et al for electromagnetic waves, cannot be treated as physical before a realistic inner boundary of a cloak is demonstrated. Although a recent demonstration has been done in a waveguide environment, the exotic singular boundary conditions should apply to a general environment as in free space. Here we fabricate a metamaterial surface that exhibits the singular boundary conditions and demonstrate its performance in free space. Particularly, the phase information of waves reflected from this metamaterial surface is explicitly measured, confirming the singular responses of boundary conditions for an invisibility cloak.

Heterosexual assumptions in verbal and non-verbal communication in nursing.

Science.gov (United States)

Röndahl, Gerd; Innala, Sune; Carlsson, Marianne

2006-11-01

This paper reports a study of what lesbian women and gay men had to say, as patients and as partners, about their experiences of nursing in hospital care, and what they regarded as important to communicate about homosexuality and nursing. The social life of heterosexual cultures is based on the assumption that all people are heterosexual, thereby making homosexuality socially invisible. Nurses may assume that all patients and significant others are heterosexual, and these heteronormative assumptions may lead to poor communication that affects nursing quality by leading nurses to ask the wrong questions and make incorrect judgements. A qualitative interview study was carried out in the spring of 2004. Seventeen women and 10 men ranging in age from 23 to 65 years from different parts of Sweden participated. They described 46 experiences as patients and 31 as partners. Heteronormativity was communicated in waiting rooms, in patient documents and when registering for admission, and nursing staff sometimes showed perplexity when an informant deviated from this heteronormative assumption. Informants had often met nursing staff who showed fear of behaving incorrectly, which could lead to a sense of insecurity, thereby impeding further communication. As partners of gay patients, informants felt that they had to deal with heterosexual assumptions more than they did when they were patients, and the consequences were feelings of not being accepted as a 'true' relative, of exclusion and neglect. Almost all participants offered recommendations about how nursing staff could facilitate communication. Heterosexual norms communicated unconsciously by nursing staff contribute to ambivalent attitudes and feelings of insecurity that prevent communication and easily lead to misconceptions. Educational and management interventions, as well as increased communication, could make gay people more visible and thereby encourage openness and awareness by hospital staff of the norms that they

An executable model of the interaction between verbal and non-verbal communication.

NARCIS (Netherlands)

Jonker, C.M.; Treur, J.; Wijngaards, W.C.A.

2000-01-01

In this paper an executable generic process model is proposed for combined verbal and non-verbal communication processes and their interaction. The model has been formalised by three-levelled partial temporal models, covering both the material and mental processes and their relations. The generic

An Executable Model of the Interaction between Verbal and Non-Verbal Communication

NARCIS (Netherlands)

Jonker, C.M.; Treur, J.; Wijngaards, W.C.A.; Dignum, F.; Greaves, M.

2000-01-01

In this paper an executable generic process model is proposed for combined verbal and non-verbal communication processes and their interaction. The model has been formalised by three-levelled partial temporal models, covering both the material and mental processes and their relations. The generic

¿Why are women invisible in the Teaching of history? Abstract

Directory of Open Access Journals (Sweden)

Edda Sant Obiols

2011-07-01

Full Text Available In this article we wonder why women are invisible in the teaching of history and we develop some assumptions about the reasons for this invisibility. We analyze the place women occupy in the curriculum of social sciences and history of Catalonia to claim their presence in texts and in practices. We exemplify their role in a teaching unit called Gifts of the 36 -Women of the 36- dedicated to recall the role of Republican women during the Spanish Civil War, the Franquism and the transition to democracy.

Eavesdropping on the two-way quantum communication protocols with invisible photons

Energy Technology Data Exchange (ETDEWEB)

Cai Qingyu [State Key Laboratory of Magnetics Resonance and Atomic and Molecular Physics, Wuhan Institution of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071 (China)]. E-mail: qycai@wipm.ac.cn

2006-02-20

The crucial issue of quantum communication protocol is its security. In this Letter, we show that all the deterministic and direct two-way quantum communication protocols, sometimes called ping-pong (PP) protocols, are insecure when an eavesdropper uses the invisible photon to eavesdrop on the communication. With our invisible photon eavesdropping (IPE) scheme, the eavesdropper can obtain full information of the communication with zero risk of being detected. We show that this IPE scheme can be implemented experimentally with current technology. Finally, a possible improvement of PP communication protocols security is proposed00.

Eavesdropping on the two-way quantum communication protocols with invisible photons

International Nuclear Information System (INIS)

Cai Qingyu

2006-01-01

The crucial issue of quantum communication protocol is its security. In this Letter, we show that all the deterministic and direct two-way quantum communication protocols, sometimes called ping-pong (PP) protocols, are insecure when an eavesdropper uses the invisible photon to eavesdrop on the communication. With our invisible photon eavesdropping (IPE) scheme, the eavesdropper can obtain full information of the communication with zero risk of being detected. We show that this IPE scheme can be implemented experimentally with current technology. Finally, a possible improvement of PP communication protocols security is proposed

[Non-verbal communication in Alzheimer's disease].

Science.gov (United States)

Schiaratura, Loris Tamara

2008-09-01

This review underlines the importance of non-verbal communication in Alzheimer's disease. A social psychological perspective of communication is privileged. Non-verbal behaviors such as looks, head nods, hand gestures, body posture or facial expression provide a lot of information about interpersonal attitudes, behavioral intentions, and emotional experiences. Therefore they play an important role in the regulation of interaction between individuals. Non-verbal communication is effective in Alzheimer's disease even in the late stages. Patients still produce non-verbal signals and are responsive to others. Nevertheless, few studies have been devoted to the social factors influencing the non-verbal exchange. Misidentification and misinterpretation of behaviors may have negative consequences for the patients. Thus, improving the comprehension of and the response to non-verbal behavior would increase first the quality of the interaction, then the physical and psychological well-being of patients and that of caregivers. The role of non-verbal behavior in social interactions should be approached from an integrative and functional point of view.

Shifts of visuospatial attention to invisible (metacontrast-masked singletons: Clues from reaction times and event-related potential

Directory of Open Access Journals (Sweden)

Manfred Heumann

2006-01-01

Full Text Available In the current study, we tested whether a masked and, thus, invisible singleton-cue captures atten-tion in a stimulus-driven manner or in a top-down contingent manner. The manual RT (Reaction Time capture effect with the invisible singleton--cue decreased substantially when a match between the singleton-cue and the top-down controlled set of searched-for target features was also decreased. By contrast, with the PCN (Posterior Contralateral Negativity, an electrophysiological measure of the capture of visuospatial attention by the invisible singleton-cue, no significant decrement was observed. Taken together, the results support the assumption that an invisible singleton-cue can capture attention in a stimulus-driven manner, and that different delays in the deallocation of attention (i.e., attention is deallocated more efficiently from acue that does not match the top-down controlled set than from a cue that does match the same set account for the weaker manual RT capture effect with a set- -nonmatching invisible singleton-cue.

Negotiating a Concurrence: Tracing the Visible/Invisible Relocation within Migrant-Inhabited Cities of China

Directory of Open Access Journals (Sweden)

Xueni Peng

2015-04-01

China’s internal migrants experience hardship akin to those undergone by overseas immigrants. In this respect, migration in China is an experience that begins before people move away from their place of origin and continues long after arriving in their new home destinations. As a unique feature of migration research, national relocation is not simply crossing a geographical boundary, but also transgressing social and psychological environment barriers. Our research intends to examine the underestimated or marginal character played by such outsider crowds with special regard given to the individual’s experience of ‘unfamiliar settlements. This involves exploring the role of migrants’ transformation through the misapprehension that relocation is merely a geographical movement. We suggest that visible relocation brings other incidental replacements (such as changes in identity, psychological cognition and social cohesion.

The Bursts and Lulls of Multimodal Interaction: Temporal Distributions of Behavior Reveal Differences Between Verbal and Non-Verbal Communication.

Science.gov (United States)

Abney, Drew H; Dale, Rick; Louwerse, Max M; Kello, Christopher T

2018-04-06

Recent studies of naturalistic face-to-face communication have demonstrated coordination patterns such as the temporal matching of verbal and non-verbal behavior, which provides evidence for the proposal that verbal and non-verbal communicative control derives from one system. In this study, we argue that the observed relationship between verbal and non-verbal behaviors depends on the level of analysis. In a reanalysis of a corpus of naturalistic multimodal communication (Louwerse, Dale, Bard, & Jeuniaux, ), we focus on measuring the temporal patterns of specific communicative behaviors in terms of their burstiness. We examined burstiness estimates across different roles of the speaker and different communicative modalities. We observed more burstiness for verbal versus non-verbal channels, and for more versus less informative language subchannels. Using this new method for analyzing temporal patterns in communicative behaviors, we show that there is a complex relationship between verbal and non-verbal channels. We propose a "temporal heterogeneity" hypothesis to explain how the language system adapts to the demands of dialog. Copyright © 2018 Cognitive Science Society, Inc.

Robot Vision to Monitor Structures in Invisible Fog Environments Using Active Imaging Technology

Energy Technology Data Exchange (ETDEWEB)

Park, Seungkyu; Park, Nakkyu; Baik, Sunghoon; Choi, Youngsoo; Jeong, Kyungmin [Korea Atomic Energy Research Institute, Daejeon (Korea, Republic of)

2014-05-15

Active vision is a direct visualization technique using a highly sensitive image sensor and a high intensity illuminant. Range-gated imaging (RGI) technique providing 2D and 3D images is one of emerging active vision technologies. The RGI technique extracts vision information by summing time sliced vision images. In the RGI system, objects are illuminated for ultra-short time by a high intensity illuminant and then the light reflected from objects is captured by a highly sensitive image sensor with the exposure of ultra-short time. The RGI system provides 2D and 3D image data from several images and it moreover provides clear images from invisible fog and smoke environment by using summing of time-sliced images. Nowadays, the Range-gated (RG) imaging is an emerging technology in the field of surveillance for security applications, especially in the visualization of invisible night and fog environment. Although RGI viewing was discovered in the 1960's, this technology is, nowadays, more and more applicable by virtue of the rapid development of optical and sensor technologies, such as highly sensitive imaging sensor and ultra-short pulse laser light. In contrast to passive vision systems, this technology enables operation even in harsh environments like fog and smoke. During the past decades, several applications of this technology have been applied in target recognition and in harsh environments, such as fog, underwater vision. Also, this technology has been demonstrated 3D imaging based on range-gated imaging. In this paper, a robot system to monitor structures in invisible fog environment is developed using an active range-gated imaging technique. The system consists of an ultra-short pulse laser device and a highly sensitive imaging sensor. The developed vision system is carried out to monitor objects in invisible fog environment. The experimental result of this newly approach vision system is described in this paper. To see invisible objects in fog

Robot Vision to Monitor Structures in Invisible Fog Environments Using Active Imaging Technology

International Nuclear Information System (INIS)

Park, Seungkyu; Park, Nakkyu; Baik, Sunghoon; Choi, Youngsoo; Jeong, Kyungmin

2014-01-01

Active vision is a direct visualization technique using a highly sensitive image sensor and a high intensity illuminant. Range-gated imaging (RGI) technique providing 2D and 3D images is one of emerging active vision technologies. The RGI technique extracts vision information by summing time sliced vision images. In the RGI system, objects are illuminated for ultra-short time by a high intensity illuminant and then the light reflected from objects is captured by a highly sensitive image sensor with the exposure of ultra-short time. The RGI system provides 2D and 3D image data from several images and it moreover provides clear images from invisible fog and smoke environment by using summing of time-sliced images. Nowadays, the Range-gated (RG) imaging is an emerging technology in the field of surveillance for security applications, especially in the visualization of invisible night and fog environment. Although RGI viewing was discovered in the 1960's, this technology is, nowadays, more and more applicable by virtue of the rapid development of optical and sensor technologies, such as highly sensitive imaging sensor and ultra-short pulse laser light. In contrast to passive vision systems, this technology enables operation even in harsh environments like fog and smoke. During the past decades, several applications of this technology have been applied in target recognition and in harsh environments, such as fog, underwater vision. Also, this technology has been demonstrated 3D imaging based on range-gated imaging. In this paper, a robot system to monitor structures in invisible fog environment is developed using an active range-gated imaging technique. The system consists of an ultra-short pulse laser device and a highly sensitive imaging sensor. The developed vision system is carried out to monitor objects in invisible fog environment. The experimental result of this newly approach vision system is described in this paper. To see invisible objects in fog

The effects of hand gestures on verbal recall as a function of high- and low-verbal-skill levels.

Science.gov (United States)

Frick-Horbury, Donna

2002-04-01

The author examined the effects of cueing for verbal recall with the accompanying self-generated hand gestures as a function of verbal skill. There were 36 participants, half with low SAT verbal scores and half with high SAT verbal scores. Half of the participants of each verbal-skill level were cued for recall with their own gestures, and the remaining half was given a free-recall test. Cueing with self-generated gestures aided the low-verbal-skill participants so that their retrieval rate equaled that of the high-verbal-skill participants and their loss of recall over a 2-week period was minimal. This effect was stable for both concrete and abstract words. The findings support the hypothesis that gestures serve as an auxiliary code for memory retrieval.

All-dielectric invisibility cloaks made of BaTiO3-loaded polyurethane foam

International Nuclear Information System (INIS)

Bao Di; Rajab, Khalid Z; Hao Yang; Kallos, Efthymios; Tang, Wenxuan; Argyropoulos, Christos; Piao Yongzhe; Yang Shoufeng

2011-01-01

Transformation optics has led the way in the development of electromagnetic invisibility cloaks from science fiction to engineering practice. Invisibility cloaks have been demonstrated over a wide range of the electromagnetic spectrum, and with a variety of different fabrication techniques. However, all previous schemes have relied on the use of metamaterials consisting of arrays of sub-wavelength inclusions. We report on the first cloaking structure made of a high-κ dielectric-loaded foam mixture. A polyurethane foam mixed with different ratios of barium titanate is used to produce the required range of permittivities, and the invisibility cloak is demonstrated to work for all incident angles over a wide range of microwave frequencies. This method will greatly facilitate the development and large-scale manufacture of a wide range of transformation optics-based structures. (paper)

Can black-and-white ruffed lemurs (Varecia variegata) solve object permanence tasks?

Science.gov (United States)

Mallavarapu, Suma; Perdue, Bonnie M; Stoinski, Tara S; Maple, Terry L

2013-04-01

We examined object permanence in black-and-white-ruffed lemurs (Varecia variegata) at Zoo Atlanta. A series of visible and invisible displacement tasks with suitable controls were presented to five adult subjects. Subjects performed significantly above chance on all regular tasks, except for the double invisible displacements. Subjects failed visible and invisible controls. Failure on the control trials did not appear to be because subjects used the "last box touched" strategy (subjects did not choose the last box touched significantly more than expected by chance). However, a substantial percentage of choices was made to the last box touched by the experimenter. There was no significant difference between this percentage, and the percentage of choices made to the baited box (on both visible and invisible controls), which indicates that subjects were drawn to both boxes which the experimenter visited/touched, and thus failed the controls. Based on the results from the present study, we believe that there is no evidence that black-and-white ruffed lemurs understand visible and invisible tasks in the traditional object permanence battery. © 2013 Wiley Periodicals, Inc.

ADAM SMITH: THE INVISIBLE HAND OR CONFIDENCE

Directory of Open Access Journals (Sweden)

Fernando Luis, Gache

2010-01-01

Full Text Available In 1776 Adam Smith raised the matter that an invisible hand was the one which moved the markets to obtain its efficiency. Despite in the present paper we are going to raise the hypothesis, that this invisible hand is in fact the confidence that each person feels when he is going to do business. That in addition it is unique, because it is different from the confidence of the others and that is a variable nonlinear that essentially is ligatured to respective personal histories. For that we are going to take as its bases the paper by Leopoldo Abadía (2009, with respect to the financial economy crisis that happened in 2007-2008, to evidence the form in which confidence operates. Therefore the contribution that we hope to do with this paper is to emphasize that, the level of confidence of the different actors, is the one which really moves the markets, (therefore the economy and that the crisis of the subprime mortgages is a confidence crisis at world-wide level.

BIBLIOGRAPHY ON VERBAL LEARNING.

Science.gov (United States)

Harvard Univ., Cambridge, MA. Graduate School of Education.

THIS BIBLIOGRAPHY LISTS MATERIAL ON VARIOUS ASPECTS OF VERBAL LEARNING. APPROXIMATELY 50 UNANNOTATED REFERENCES ARE PROVIDED TO DOCUMENTS DATING FROM 1960 TO 1965. JOURNALS, BOOKS, AND REPORT MATERIALS ARE LISTED. SUBJECT AREAS INCLUDED ARE CONDITIONING, VERBAL BEHAVIOR, PROBLEM SOLVING, SEMANTIC SATIATION, STIMULUS DURATION, AND VERBAL…

The Signatures of the Invisible exhibition in Geneva

CERN Multimedia

Patrice Loïez

2002-01-01

The artist Paola Pivi with her work at the Signatures of the Invisible exhibition in Geneva during February 2002. This piece with needles suspended on nylon thread 'detects' people as they approach. The exhibition was for art inspired by research carried out at CERN.

Conversion of invisible metal-organic frameworks to luminescent perovskite nanocrystals for confidential information encryption and decryption.

Science.gov (United States)

Zhang, Congyang; Wang, Bo; Li, Wanbin; Huang, Shouqiang; Kong, Long; Li, Zhichun; Li, Liang

2017-10-31

Traditional smart fluorescent materials, which have been attracting increasing interest for security protection, are usually visible under either ambient or UV light, making them adverse to the potential application of confidential information protection. Herein, we report an approach to realize confidential information protection and storage based on the conversion of lead-based metal-organic frameworks (MOFs) to luminescent perovskite nanocrystals (NCs). Owing to the invisible and controlled printable characteristics of lead-based MOFs, confidential information can be recorded and encrypted by MOF patterns, which cannot be read through common decryption methods. Through our conversion strategy, highly luminescent perovskite NCs can be formed quickly and simply by using a halide salt trigger that reacts with the MOF, thus promoting effective information decryption. Finally, through polar solvents impregnation and halide salt conversion, the luminescence of the perovskite NCs can be quenched and recovered, leading to reversible on/off switching of the luminescence signal for multiple information encryption and decryption processes.

Verbal Fluency and Verbal Short-Term Memory in Adults with Down Syndrome and Unspecified Intellectual Disability

Science.gov (United States)

Stavroussi, Panayiota; Andreou, Georgia; Karagiannopoulou, Dimitra

2016-01-01

The purpose of this study was to examine verbal fluency and verbal short-term memory in 12 adults with Down syndrome (DS) and 12 adults with Intellectual Disability (ID) of unspecified origin, matched for receptive vocabulary and chronological age. Participants' performance was assessed on two conditions of a verbal fluency test, namely, semantic…

Assessing the aging effect on auditory-verbal memory by Persian version of dichotic auditory verbal memory test

Directory of Open Access Journals (Sweden)

Zahra Shahidipour

2014-01-01

Conclusion: Based on the obtained results, significant reduction in auditory memory was seen in aged group and the Persian version of dichotic auditory-verbal memory test, like many other auditory verbal memory tests, showed the aging effects on auditory verbal memory performance.

A single-layer wide-angle negative-index metamaterial at visible frequencies.

Science.gov (United States)

Burgos, Stanley P; de Waele, Rene; Polman, Albert; Atwater, Harry A

2010-05-01

Metamaterials are materials with artificial electromagnetic properties defined by their sub-wavelength structure rather than their chemical composition. Negative-index materials (NIMs) are a special class of metamaterials characterized by an effective negative index that gives rise to such unusual wave behaviour as backwards phase propagation and negative refraction. These extraordinary properties lead to many interesting functions such as sub-diffraction imaging and invisibility cloaking. So far, NIMs have been realized through layering of resonant structures, such as split-ring resonators, and have been demonstrated at microwave to infrared frequencies over a narrow range of angles-of-incidence and polarization. However, resonant-element NIM designs suffer from the limitations of not being scalable to operate at visible frequencies because of intrinsic fabrication limitations, require multiple functional layers to achieve strong scattering and have refractive indices that are highly dependent on angle of incidence and polarization. Here we report a metamaterial composed of a single layer of coupled plasmonic coaxial waveguides that exhibits an effective refractive index of -2 in the blue spectral region with a figure-of-merit larger than 8. The resulting NIM refractive index is insensitive to both polarization and angle-of-incidence over a +/-50 degree angular range, yielding a wide-angle NIM at visible frequencies.

Invisible Higgs and Dark Matter

DEFF Research Database (Denmark)

Heikinheimo, Matti; Tuominen, Kimmo; Virkajärvi, Jussi Tuomas

2012-01-01

We investigate the possibility that a massive weakly interacting fermion simultaneously provides for a dominant component of the dark matter relic density and an invisible decay width of the Higgs boson at the LHC. As a concrete model realizing such dynamics we consider the minimal walking...... technicolor, although our results apply more generally. Taking into account the constraints from the electroweak precision measurements and current direct searches for dark matter particles, we find that such scenario is heavily constrained, and large portions of the parameter space are excluded....

Event-governed and verbally-governed behavior.

Science.gov (United States)

Vargas, E A

1988-01-01

A NUMBER OF STATEMENTS PRESCRIBE BEHAVIOR: apothegms, maxims, proverbs, instructions, and so on. These differing guides to conduct present varieties of the dictionary definition of "rules." The term "rules" thus defines a category of language usage. Such a term, and its derivative, "rule-governed," does not address a controlling relation in the analysis of verbal behavior. The prevailing confounding of a category of language with a category of verbal behavior appears related to a lack of understanding as to what distinguishes verbal behavior from other behavior. Verbal behavior is a behavior-behavior relation in which events are contacted through the mediation of another organism's behavior specifically shaped for such mediation by a verbal community. It contrasts with behavior that contacts events directly, and shaped directly by the features of those events. Thus we may distinguish between two large classes of behavior by whether it is behavior controlled by events, or behavior controlled verbally. However, the functional controls operative with both classes of behavior do not differ.

Making the invisible visible--operating theatre nurses' perceptions of caring in perioperative practice.

Science.gov (United States)

Blomberg, Ann-Catrin; Bisholt, Birgitta; Nilsson, Jan; Lindwall, Lillemor

2015-06-01

The aim of this study was to describe operating theatre nurses' (OTNs') perceptions of caring in perioperative practice. A qualitative descriptive design was performed. Data were collected with interviews were carried out with fifteen strategically selected operating theatre nurses from different operating theatres in the middle of Sweden. A phenomenographic analysis was used to analyse the interviews. The findings show that operating theatre nurses' perceptions of caring in perioperative practice can be summarised in one main category: To follow the patient all the way. Two descriptive categories emerged: To ensure continuity of patient care and keeping a watchful eye. The operating theatre nurses got to know the patient and as a result became responsible for the patient. They protected the patient's body and preserved patient dignity in perioperative practice. The findings show different aspects of caring in perioperative practice. OTNs wanted to be more involved in patient care and follow the patient throughout the perioperative nursing process. Although OTNs have the ambition to make the care in perioperative practice visible, there is today a medical technical approach which promotes OTNs continuing to offer care in secret. © 2014 Nordic College of Caring Science.

A Review of Verbal and Non-Verbal Human-Robot Interactive Communication

OpenAIRE

Mavridis, Nikolaos

2014-01-01

In this paper, an overview of human-robot interactive communication is presented, covering verbal as well as non-verbal aspects of human-robot interaction. Following a historical introduction, and motivation towards fluid human-robot communication, ten desiderata are proposed, which provide an organizational axis both of recent as well as of future research on human-robot communication. Then, the ten desiderata are examined in detail, culminating to a unifying discussion, and a forward-lookin...

Testing invisible momentum ansatze in missing energy events at the LHC

Science.gov (United States)

Kim, Doojin; Matchev, Konstantin T.; Moortgat, Filip; Pape, Luc

2017-08-01

We consider SUSY-like events with two decay chains, each terminating in an invisible particle, whose true energy and momentum are not measured in the detector. Nevertheless, a useful educated guess about the invisible momenta can still be obtained by optimizing a suitable invariant mass function. We review and contrast several proposals in the literature for such ansatze: four versions of the M T 2-assisted on-shell reconstruction (MAOS), as well as several variants of the on-shell constrained M 2 variables. We compare the performance of these methods with regards to the mass determination of a new particle resonance along the decay chain from the peak of the reconstructed invariant mass distribution. For concreteness, we consider the event topology of dilepton t\\overline{t} events and study each of the three possible subsystems, in both a t\\overline{t} and a SUSY example. We find that the M 2 variables generally provide sharper peaks and therefore better ansatze for the invisible momenta. We show that the performance can be further improved by preselecting events near the kinematic endpoint of the corresponding variable from which the momentum ansatz originates.

Syntactic Dependencies and Verbal Inflection: Complementisers and Verbal Forms in Standard Arabic

Directory of Open Access Journals (Sweden)

Feras Saeed

2015-12-01

Full Text Available This paper investigates the syntactic dependency between complementisers and verbal forms in Standard Arabic and provides a new analysis of this dependency. The imperfective verb in this language surfaces with three different forms, where each form is indicated by a different suffixal marker attached to the end of the verb as (-u, (-a, or (-Ø. The occurrence of each suffixal marker on the verb corresponds to the co-occurrence of a particular type of Comp-elements in the C/T domain. I argue that these morphological markers on the three verbal forms are the manifestation of an Agree relation between an interpretable unvalued finiteness feature [Fin] on C and an uninterpretable but valued instance of the same feature on v, assuming feature transfer and feature sharing between C/T and v (Pesetsky & Torrego 2007; Chomsky 2008. I also argue that the different verbal forms in Standard Arabic are dictated by the co-occurrence of three types of Comp-elements: i C-elements; ii T-elements which ultimately move to C; and iii imperative/negative elements. Keywords: feature transfer/sharing, verbal forms, complementisers, finiteness, syntactic dependency, Standard Arabic

Symbiotic Relations of Verbal and Non-Verbal Components of Creolized Text on the Example of Stephen King’s Books Covers Analysis

OpenAIRE

Anna S. Kobysheva; Viktoria A. Nakaeva

2017-01-01

The article examines the symbiotic relationships between non-verbal and verbal components of the creolized text. The research focuses on the analysis of the correlation between verbal and visual elements of horror book covers based on three types of correlations between verbal and non-verbal text constituents, i.e. recurrent, additive and emphatic.

Diffusive-light invisibility cloak for transient illumination

Science.gov (United States)

Orazbayev, B.; Beruete, M.; Martínez, A.; García-Meca, C.

2016-12-01

Invisibility in a diffusive-light-scattering medium has been recently demonstrated by employing a scattering-cancellation core-shell cloak. Unlike nondiffusive cloaks, such a device can be simultaneously macroscopic, broadband, passive, polarization independent, and omnidirectional. Unfortunately, it has been verified that this cloak, as well as more sophisticated ones based on transformation optics, fail under pulsed illumination, invalidating their use for a variety of applications. Here, we introduce a different approach based on unimodular transformations that enables the construction of unidirectional diffusive-light cloaks exhibiting a perfect invisibility effect, even under transient conditions. Moreover, we demonstrate that a polygonal cloak can extend this functionality to multiple directions with a nearly ideal behavior, while preserving all other features. We propose and numerically verify a simple cloak realization based on a layered stack of two isotropic materials. The studied devices have several applications not addressable by any of the other cloaks proposed to date, including shielding from pulse-based detection techniques, cloaking undesired scattering elements in time-of-flight imaging or high-speed communication systems for diffusive environments, and building extreme optical security features. The discussed cloaking strategy could also be applied to simplify the implementation of thermal cloaks.

Photography in the boundaries of the visible. From Santiago Ramón y Cajal to Cecil Frank Powell

Directory of Open Access Journals (Sweden)

Francisco López-Cantos

2016-12-01

Full Text Available In this article, we analyze the use of photographic technologies of two renowned researchers whose investigation results would have been impossible to carry out, as occurs in Galileo a few centuries before with the use of imaging techniques, without the use of photography: Santiago Ramón y Cajal and Cecil Frank Powell, Nobel Prize winners in medicine in 1906 and in physics in 1950, respectively. These researchers were selected, first, because of their close relation with photography and, second, to clearly illustrate the gradual transgression of scientific photographic representation starting in the late nineteenth century from the visible to the invisible.

Symbiotic Relations of Verbal and Non-Verbal Components of Creolized Text on the Example of Stephen King’s Books Covers Analysis

Directory of Open Access Journals (Sweden)

Anna S. Kobysheva

2017-12-01

Full Text Available The article examines the symbiotic relationships between non-verbal and verbal components of the creolized text. The research focuses on the analysis of the correlation between verbal and visual elements of horror book covers based on three types of correlations between verbal and non-verbal text constituents, i.e. recurrent, additive and emphatic.

Daily negative affect and smoking after a self-set quit attempt: The role of dyadic invisible social support in a daily diary study.

Science.gov (United States)

Lüscher, Janina; Stadler, Gertraud; Ochsner, Sibylle; Rackow, Pamela; Knoll, Nina; Hornung, Rainer; Scholz, Urte

2015-11-01

Social support receipt from one's partner is assumed to be beneficial for successful smoking cessation. However, support receipt can have costs. Recent research suggests that the most effective support is unnoticed by the receiver (i.e., invisible). Therefore, this study examined the association between everyday levels of dyadic invisible emotional and instrumental support, daily negative affect, and daily smoking after a self-set quit attempt in smoker-non-smoker couples. Overall, 100 smokers (72.0% men, mean age M = 40.48, SD = 9.82) and their non-smoking partners completed electronic diaries from a self-set quit date on for 22 consecutive days, reporting daily invisible emotional and instrumental social support, daily negative affect, and daily smoking. Same-day multilevel analyses showed that at the between-person level, higher individual mean levels of invisible emotional and instrumental support were associated with less daily negative affect. In contrast to our assumption, more receipt of invisible emotional and instrumental support was related to more daily cigarettes smoked. The findings are in line with previous results, indicating invisible support to have beneficial relations with affect. However, results emphasize the need for further prospective daily diary approaches for understanding the dynamics of invisible support on smoking cessation. Statement of contribution What is already known on this subject? Social support receipt from a close other has proven to have emotional costs. According to current studies, the most effective social support is unnoticed by the receiver (i.e., invisible). There is empirical evidence for beneficial effects of invisible social support on affective well-being. What does this study add? Confirming benefits of invisible social support for negative affect in a health behaviour change setting Providing first evidence for detrimental effects of invisible social support on smoking. © 2015 The British Psychological Society.

Toward a digitally mediated, transgenerational negotiation of verbal and non-verbal concepts in daycare

DEFF Research Database (Denmark)

Chimirri, Niklas Alexander

an adult researcher’s research problem and her/his conceptual knowledge of the child-adult-digital media interaction are able to do justice to what the children actually intend to communicate about their experiences and actions, both verbally and non-verbally, by and large remains little explored...

Magnetically controlled multifrequency invisibility cloak with a single shell of ferrite material

Science.gov (United States)

Wang, Xiaohua; Liu, Youwen

2015-02-01

A magnetically controlled multifrequency invisibility cloak with a single shell of the isotropic and homogeneous ferrite material has been investigated based on the scattering cancellation method from the Mie scattering theory. The analytical and simulated results have demonstrated that such this shell can drastically reduce the total scattering cross-section of this cloaking system at multiple frequencies. These multiple cloaking frequencies of this shell can be externally controlled since the magnetic permeability of ferrites is well tuned by the applied magnetic field. This may provide a potential way to design a tunable multifrequency invisibility cloak with considerable flexibility.

Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment.

Science.gov (United States)

Du, N; Force, N; Khatiwada, R; Lentz, E; Ottens, R; Rosenberg, L J; Rybka, G; Carosi, G; Woollett, N; Bowring, D; Chou, A S; Sonnenschein, A; Wester, W; Boutan, C; Oblath, N S; Bradley, R; Daw, E J; Dixit, A V; Clarke, J; O'Kelley, S R; Crisosto, N; Gleason, J R; Jois, S; Sikivie, P; Stern, I; Sullivan, N S; Tanner, D B; Hilton, G C

2018-04-13

This Letter reports the results from a haloscope search for dark matter axions with masses between 2.66 and 2.81  μeV. The search excludes the range of axion-photon couplings predicted by plausible models of the invisible axion. This unprecedented sensitivity is achieved by operating a large-volume haloscope at subkelvin temperatures, thereby reducing thermal noise as well as the excess noise from the ultralow-noise superconducting quantum interference device amplifier used for the signal power readout. Ongoing searches will provide nearly definitive tests of the invisible axion model over a wide range of axion masses.

40 CFR 65.7 - Monitoring, recordkeeping, and reporting waivers and alternatives, and alternative work practice...

Science.gov (United States)

2010-07-01

... require monitoring with a 40 CFR part 60, appendix A-7, Method 21 monitor. (3) Imaging means making visible emissions that may otherwise be invisible to the naked eye. (4) Optical gas imaging instrument means an instrument that makes visible emissions that may otherwise be invisible to the naked eye. (5...

NEGOSIASI PENERJEMAHAN VERBAL - VISUAL DESAIN GRAFIS

Directory of Open Access Journals (Sweden)

Moeljadi Pranata

2000-01-01

Full Text Available Design is commonly regarded as an act of individual creation to which both verbalization and logical analysis are only peripherally relevant. This article reviews a research study about talking design by Tomes et al (1998 which involving graphic designers and their clients. The conclusion is that talking design -- verbal and visual -- is the design itself. Comments from a design-major student give more light to the research s outputs. Abstract in Bahasa Indonesia : Desain umumnya dipandang sebagai karya ekspresi diri. Analisis logis dan penerjemahan verbal hanya dianggap relevan di permukaan saja. Artikel ini mereview kajian riset Tomes dkk. (1998 mengenai bahasan desain yang melibatkan tim desainer grafis dan kliennya. Simpulannya%2C bahasan desain ¾ verbal dan visual ¾ adalah desain itu sendiri. Artikel ini dilengkapi tanggapan mahasiswa desain terhadap hasil riset tersebut. graphic design%2C design process%2C verbal/visual communication

The scattering of a cylindrical invisibility cloak: reduced parameters and optimization

International Nuclear Information System (INIS)

Peng, L; Mortensen, N A; Ran, L

2011-01-01

We investigate the scattering of 2D cylindrical invisibility cloaks with simplified constitutive parameters with the assistance of scattering coefficients. We show that the scattering of the cloaks originates not only from the boundary conditions but also from the spatial variation of the component of permittivity/permeability. According to our formulation, we propose some restrictions to the invisibility cloak in order to minimize its scattering after the simplification has taken place. With our theoretical analysis, it is possible to design a simplified cloak using some peculiar composites such as photonic crystals which mimic an effective refractive index landscape rather than offering effective constitutives, meanwhile cancelling the scattering from the inner and outer boundaries.

Invisible metal-grid transparent electrode prepared by electrohydrodynamic (EHD) jet printing

International Nuclear Information System (INIS)

Jang, Yonghee; Byun, Doyoung; Kim, Jihoon

2013-01-01

Invisible Ag-grid transparent electrodes (TEs) were prepared by electrohydrodynamic (EHD) jet printing using Ag nano-particle inks. Ag-grid width less than 10 µm was achieved by the EHD jet printing, which was invisible to the naked eye. The Ag-grid line-to-line distance (pitch) was modulated in order to investigate the electrical and optical properties of the EHD jet-printed Ag-grid TEs. The decrease in the sheet resistance at the expense of the transmittance was observed as the Ag-grid pitch decreased. The figure of merit of Ag-grid TEs with various Ag-grid pitches was investigated in order to determine the optimum pitch condition for both electrical and optical properties. With the 150 µm Ag-grid pitch, the EHD jet-printed Ag-grid TE has the sheet resistance of 4.87 Ω sq −1 and the transmittance of 81.75% after annealing at 200 °C under near-infrared. Ag filling factor (FF) was defined to predict the electrical and optical properties of Ag-grid TEs. It was found that the measured electrical and optical properties were well simulated by the theoretical equations incorporating FF. The EHD jet-printed invisible Ag-grid TE with good electrical and optical properties implies its promising application to the printed optoelectronic devices. (paper)

Motivation and detectability of an invisibly decaying Higgs boson at the Fermilab Tevatron

International Nuclear Information System (INIS)

Martin, S.P.; Wells, J.D.

1999-01-01

A Higgs boson with a mass below 150 GeV has a total decay width of less than 20 MeV into accessible standard model states. This narrow width means that the usual branching fractions for such a light Higgs boson are highly susceptible to any new particles to which it has unsuppressed couplings. In particular, there are many reasonable and interesting theoretical ideas that naturally imply an invisibly decaying Higgs boson. The motivations include models with light supersymmetric neutralinos, spontaneously broken lepton number, radiatively generated neutrino masses, additional singlet scalar(s), or right-handed neutrinos in the extra dimensions of TeV gravity. We discuss these approaches to model building and their implications for Higgs boson phenomenology in future Fermilab Tevatron runs. We find, for example, that the Tevatron with 30 fb -1 integrated luminosity can make a 3σ observation in the l + l - +E/ T channel for a 125 GeV Higgs boson that is produced with the same strength as the standard model Higgs boson but always decays invisibly. We also analyze the b bar b+E/ T final state signal and conclude that it is not as sensitive, but it may assist in excluding the possibility of an invisibly decaying Higgs boson or enable confirmation of an observed signal in the dilepton channel. We argue that a comprehensive Higgs boson search at the Tevatron should include the possibility that the Higgs boson decays invisibly. copyright 1999 The American Physical Society

Invisible excess of sense in social interaction

Czech Academy of Sciences Publication Activity Database

Koubová, Alice

Roč. 5, September /article 1081 (2014), s. 1-11 ISSN 1664-1078 R&D Projects: GA ČR GAP401/10/1164 Institutional support: RVO:67985955 Keywords : participatory sense-making * enactive theory * Merleau-Ponty * invisibility * opacity * (Inter)acting with the inner partner * performativity * dramaturgical analysis Subject RIV: AA - Philosophy ; Religion Impact factor: 2.560, year: 2014 http://journal.frontiersin.org/Journal/10.3389/fpsyg.2014.01081/abstract

Children's Attributions of Intentions to an Invisible Agent

Science.gov (United States)

Bering, Jesse M.; Parker, Becky D.

2006-01-01

Children ages 3-9 years were informed that an invisible agent (Princess Alice) would help them play a forced-choice game by "telling them, somehow, when they chose the wrong box," whereas a matched control group of children were not given this supernatural prime. On 2 unexpected event trials, an experimenter triggered a simulated unexpected event…

Invisible Culture: Taking Art Education to the Streets

Science.gov (United States)

Darts, David

2011-01-01

Art educators and administrators allowed a project to evolve based on the "street life" experiences of ordinarily invisible people. The goal was to create a space or number of spaces for celebrating the human spirit through art, music, dance, poetry, theater, and story while also providing a forum for exploring some of the social issues affecting…

Aligners: the Invisible Corrector-A Boon or Bane.

Science.gov (United States)

Mahendra, Lodd

2018-03-01

The trend of clinical orthodontics has shown a palpable shift from conventional braces to innovative technologies like invisible aligners. Aligners are sequences of clear trays worn by patients to straighten their teeth. They were envisaged for the main purpose of esthetics, mainly directed toward self-conscious teenagers who otherwise would shy away from essential correction of malocclusion.

Mass restricting variables in semi-invisible production at the LHC

Indian Academy of Sciences (India)

Partha Konar

2017-10-05

Oct 5, 2017 ... in reconstructing such events with the momenta of invisible particles. This feature is .... Exclusive methods – These variables are defined with the assumption that the ... ble independent invariant mass variables using the SM.

Inpatient verbal aggression: content, targets and patient characteristics.

Science.gov (United States)

Stewart, D; Bowers, L

2013-04-01

Verbally aggressive behaviour on psychiatric wards is more common than physical violence and can have distressing consequences for the staff and patients who are subjected to it. Previous research has tended to examine incidents of verbal aggression in little detail, instead combining different types of aggressive behaviour into a single measure. This study recruited 522 adult psychiatric inpatients from 84 acute wards. Data were collected from nursing and medical records for the first 2 weeks of admission. Incidents of verbal aggression were categorized and associations with patient characteristics examined. There were 1398 incidents of verbal aggression in total, reported for half the sample. Types of verbal aggression were, in order of prevalence: abusive language, shouting, threats, expressions of anger and racist comments. There were also a large number of entries in the notes which did not specify the form of verbal aggression. Staff members were the most frequent target of aggression. A history of violence and previous drug use were consistently associated with verbal aggression. However, there were also some notable differences in patient variables associated with specific types of verbal aggression. Future studies should consider using multidimensional measures of verbal aggression. © 2012 Blackwell Publishing.

Learning and the Psycho-Societal Nature of Social Practice: Tracing the Invisible Social Dimension in Work and Learning

Directory of Open Access Journals (Sweden)

Henning Salling Olesen

2014-12-01

Full Text Available This paper introduces a psycho-societal approach to empirical learning research combining a materialist theory of socialization with a hermeneutic interpretation methodology. The focus is on individual subjectivity as well as subjective aspects of social interaction. The term “approach” indicates the intrinsic connection between the theorizing of an empirical object, the research process and the epistemic subject. The practical method is an interpretation procedure based in interview transcripts or field observation notes. By interpreting articulations and interactions in the perspective of the subjective meaning for agents and interlocutors, it seeks to understand learning as a subjective process of experiencing social reality. In particular, this methodology is interested in the relation between what is “visible,” i.e., a conscious level of knowing and learning by participating in social interaction, and “invisible,” i.e., collective unconscious meanings that can be traced in texts and interaction by sensitive interpretation.

Asymmetric Invisibility Cloaking Theory Based on the Concept of Effective Electromagnetic Fields for Photons

Science.gov (United States)

Amemiya, Tomo; Taki, Masato; Kanazawa, Toru; Arai, Shigehisa

2014-03-01

The asymmetric invisibility cloak is a special cloak with unidirectional transparency; that is, a person in the cloak should not be seen from the outside but should be able to see the outside. Existing theories of designing invisibility cloaks cannot be used for asymmetric cloaking because they are based on the transformation optics that uses Riemannian metric tensor independent of direction. To overcome this problem, we propose introducing directionality into invisibility cloaking. Our theory is based on ``the theory of effective magnetic field for photons'' proposed by Stanford University.[2] To realize asymmetric cloaking, we have extended the Stanford's theory to add the concept of ``effective electric field for photons.'' The effective electric and the magnetic field can be generated using a photonc resonator lattice, which is a kind of metamaterial. The Hamiltonian for photons in these fields has a similar form to that of the Hamiltonian for a charged particle in an electromagnetic field. An incident photon therefore experiences a ``Lorentz-like'' and a ``Coulomb-like'' force and shows asymmetric movement depending of its travelling direction.We show the procedure of designing actual invisibility cloaks using the photonc resonator lattice and confirm their operation with the aid of computer simulation. This work was supported in part by the MEXT; JSPS KAKENHI Grant Numbers #24246061, #24656046, #25420321, #25420322.

Optimized cylindrical invisibility cloak with minimum layers of non-magnetic isotropic materials

International Nuclear Information System (INIS)

Yu Zhenzhong; Feng Yijun; Xu Xiaofei; Zhao Junming; Jiang Tian

2011-01-01

We present optimized design of cylindrical invisibility cloak with minimum layers of non-magnetic isotropic materials. Through an optimization procedure based on genetic algorithm, simpler cloak structure and more realizable material parameters can be achieved with better cloak performance than that of an ideal non-magnetic cloak with a reduced set of parameters. We demonstrate that a cloak shell with only five layers of two normal materials can result in an average 20 dB reduction in the scattering width for all directions when covering the inner conducting cylinder with the cloak. The optimized design can substantially simplify the realization of the invisibility cloak, especially in the optical range.

Invisible Connections : Why Migrating Shorebirds Need the Yellow Sea

NARCIS (Netherlands)

van de Kam, Jan; Battley, Phil; McCaffery, Brian; Rogers, Danny; Hong, Jae-Sang; Moores, Nial; Yong-ki, Yu; Lewis, Jan; Piersma, Theunis

2010-01-01

Each year, invisible to the naked eye, millions of migrating shorebirds fly from Australasia towards the tidal flats of the Yellow Sea bordering China and Korea. Each flock is made up of individuals using whatever strategies they can muster to endure the flights, weather the storms and find safe

Witnessing Violence: Making the Invisible Visible.

Science.gov (United States)

Holton, John K.

1995-01-01

Explores the problem of urban violence, and discusses a research strategy that can help to explain this phenomenon. The author contends that research might best address violence if it was designed to include variables of poverty and racism and was more inclusive of research from a broader range of scientific disciplines. (GR)

Signals for invisible matter from solar-terrestrial observations

CERN Multimedia

CERN. Geneva

2016-01-01

We observe a strong correlation between the orbital position of the planets with solar phenomena like flares or the variation of EUV irradiance. Similarly, a correlation is found in the study of the ionization content of the Earth atmosphere. Planetary gravitational lensing of one (or more) streams of slow moving invisible matter is proposed as an explanation of such a behaviour.

The Invisible Web

CERN Multimedia

Katarina Anthony

2010-01-01

There is an invisible web beneath CERN that keeps the entire system going. It often goes unnoticed, yet is responsible for transmitting the vast amounts of data produced at CERN: the optical fibre network.   CERN’s 35,000 km of optical fibres are also used to synchronise the accelerators, take measurements of the beams and to send controls to the LHC. The network is maintained by a team of seven specialists working in the Cabling and Optical Fibres Section of the Engineering Department, while another eight specialists are responsible for copper control and direct current (DC) power cabling (412,000 cables at CERN). Although their work is essential to keep the LHC running, their record-breaking developments often go unspoken. In a recent seminar held on 14 October, the Optical Fibre team had the opportunity to present their exceptional work with radiation-resistant optical fibres. Daniel Ricci at the CCC optical fibre “starpoint”, which serves the LHC installation...

The Invisible Boy

DEFF Research Database (Denmark)

Perry, Kevin Anthony; Jensen, Iben

, the participants agreed that all students in their class are part of the community. Following the participants, a good class community is when ‘you do lots of things together’. However, as the interview progressed (after eight minutes), it became apparent that at least one student was isolated and stood outside...... the participant’s definition of ‘good community’. It seemed almost as if they had forgotten a particular student in the class, until a question refreshed their collective memory. Participants suddenly became aware that there is at least one student in their class who does not participate in any joint activities......, either in or outside school. The question about how a group of students can collectively forget that one student is isolated in the class must be raised. The aim of this thinking note is to explore the mechanisms around social stigma and attempt to shed more light on the issue surrounding the ‘invisible...

Assessing the aging effect on auditory-verbal memory by Persian version of dichotic auditory verbal memory test

OpenAIRE

Zahra Shahidipour; Ahmad Geshani; Zahra Jafari; Shohreh Jalaie; Elham Khosravifard

2014-01-01

Background and Aim: Memory is one of the aspects of cognitive function which is widely affected among aged people. Since aging has different effects on different memorial systems and little studies have investigated auditory-verbal memory function in older adults using dichotic listening techniques, the purpose of this study was to evaluate the auditory-verbal memory function among old people using Persian version of dichotic auditory-verbal memory test. Methods: The Persian version of dic...

Simulation Study of Invisible Decays of the Higgs Boson with the Circular Electron Positron Collider

Science.gov (United States)

Jyotishmati, Susmita

A Higgs-like boson has been discovered by the experiments ATLAS and CMS at the LHC. We need to verify that it is the Standard Model (SM) Higgs and understand its nature. A Circular Electron Positron Collider (CEPC), has been proposed as a Higgs factory for detailed study of the Higgs boson. In this dissertation we study the feasibility of measuring the H → Invisible decays at the CEPC. Dark Matter (DM) interacts with matter by gravity, thus appears to be invisible in the CEPC experiment. If Higgs boson couples to DM it could be an important "portal" to New Physics. A Monte Carlo analysis of H → Invisible optimized to achieve high signal significance, and low backgrounds in the e +e- → ZH, Z → mu +mu- channel based on an integrated luminosity of 5 ab-1 expected for ten years run of the CEPC, is performed. Precision on the Higgs to invisible branching ratio at the input values of 0.1%(SM) and Beyond Standard Model (BSM) cases 0%, 1%, 5% and 10% is determined. Two approaches have been employed. They are the cut-based analysis and the multivariate analysis. Based on this dissertation study a baseline analysis approach is recommended for future CEPC design and studies.

Attitudes and beliefs as verbal behavior

OpenAIRE

Guerin, Bernard

1994-01-01

Attitudes and beliefs are analyzed as verbal behavior. It is argued that shaping by a verbal community is an essential part of the formation and maintenance of both attitudes and beliefs, and it is suggested that verbal communities mediate the important shift in control from events in the environment (attitudes and beliefs as tacts) to control by other words (attitudes and beliefs as intraverbals). It appears that both attitudes and beliefs are constantly being socially negotiated through aut...

Verbal Ability and Teacher Effectiveness

Science.gov (United States)

Andrew, Michael D.; Cobb, Casey D.; Giampietro, Peter J.

2005-01-01

Critics of traditional teacher education programs have suggested that verbal ability along with subject knowledge is sufficient for measuring good teaching. A small group of research studies is called upon to support this contention. This article reviews these studies, analyzes the role of verbal ability in teaching, and presents research…

Inverse problems, invisibility, and artificial wormholes

International Nuclear Information System (INIS)

Greenleaf, A; Kurylev, Y; Lassas, M; Uhlmann, G

2008-01-01

We will describe recent theoretical and experimental progress on making objects invisible to electromagnetic waves. Maxwell's equations have transformation laws that allow for design of electromagnetic parameters that would steer light around a hidden region, returning it to its original path on the far side. Not only would observers be unaware of the contents of the hidden region, they would not even be aware that something was hidden. The object would have no shadow. New advances in metamaterials have given some experimental evidence that this indeed can be made possible at certain frequencies

Electromagnetic Invisibility of Elliptic Cylinder Cloaks

International Nuclear Information System (INIS)

Kan, Yao; Chao, Li; Fang, Li

2008-01-01

Structures with unique electromagnetic properties are designed based on the approach of spatial coordinate transformations of Maxwell's equations. This approach is applied to scheme out invisible elliptic cylinder cloaks, which provide more feasibility for cloaking arbitrarily shaped objects. The transformation expressions for the anisotropic material parameters and the field distribution are derived. The cloaking performances of ideal and lossy elliptic cylinder cloaks are investigated by finite element simulations. It is found that the cloaking performance will degrade in the forward direction with increasing loss. (fundamental areas of phenomenology (including applications))

Mujeres invisibles en el Perú

OpenAIRE

Sköld, Luz Marina

2007-01-01

En el Perú, actualmente existen aproximadamente un millón de personas que no tienen un documento de identidad y no figuran en los registros del Estado. Son consideradas personas invisibles porque no existen le-galmente. De acuerdo a estudios realizados, este grupo de personas tiene un rostro específico; se trata de una población pobre, rural y principal-mente de mujeres. El 53% de las mujeres indocumentadas residen en el área rural. Las causas que originan la indocumentación son varias, entre...

Ironic inversion in Eliza Haywood's fiction: fantomina and "The History of the Invisible Mistress".

Science.gov (United States)

Hinnant, Charles H

2010-01-01

This article contends that Fantomina can best be understood as an ironic inversion of “The History of the Invisible Mistress”, a Spanish nouvelle published as an interpolated tale in Paul Scarron's Le Roman Comique. Both works revolve around the efforts of a heroine to capture and hold the attention of a young man upon whom she has set her heart. The plot of both works concerns the successive disguises by which the heroines seek to test their heroes. But where Don Carlos, the hero of “The History of the Invisible Mistress”, remains chaste and faithful to his initial pledge, Beauplaisir, with whom Fantomina becomes sexually involved, displays the inconstancy of a roving libertine. Hence, where “The History of the Invisible Mistress” ends happily in marriage, Fantomina concludes with its heroine's pregnancy and exile in disgrace by her mother to a monastery in France. A comparison of the two texts affords a fascinating glimpse into Haywood's aims and strategies in Fantomina.

Verbal Knowledge, Working Memory, and Processing Speed as Predictors of Verbal Learning in Older Adults

Science.gov (United States)

Rast, Philippe

2011-01-01

The present study aimed at modeling individual differences in a verbal learning task by means of a latent structured growth curve approach based on an exponential function that yielded 3 parameters: initial recall, learning rate, and asymptotic performance. Three cognitive variables--speed of information processing, verbal knowledge, working…

Virtual Chironomia: A Multimodal Study of Verbal and Non-Verbal Communication in a Virtual World

Science.gov (United States)

Verhulsdonck, Gustav

2010-01-01

This mixed methods study examined the various aspects of multimodal use of non-verbal communication in virtual worlds during dyadic negotiations. Quantitative analysis uncovered a treatment effect whereby people with more rhetorical certainty used more neutral non-verbal communication; whereas people that were rhetorically less certain used more…

Object Permanence and Relational Words: A Lexical Training Study.

Science.gov (United States)

Tomasello, Michael; Farrar, Michael Jeffrey

1986-01-01

Describes a lexical training program developed to teach object, visible movement, and invisible movement words to children at stage 5 (N=7) and stage 6 (N=16) object permanence development. Stage 6 children learned all three types of words equally well, while stage 5 children learned object and visible movement but not invisible movement words.…

Instantaneous, Simple, and Reversible Revealing of Invisible Patterns Encrypted in Robust Hollow Sphere Colloidal Photonic Crystals.

Science.gov (United States)

Zhong, Kuo; Li, Jiaqi; Liu, Liwang; Van Cleuvenbergen, Stijn; Song, Kai; Clays, Koen

2018-05-04

The colors of photonic crystals are based on their periodic crystalline structure. They show clear advantages over conventional chromophores for many applications, mainly due to their anti-photobleaching and responsiveness to stimuli. More specifically, combining colloidal photonic crystals and invisible patterns is important in steganography and watermarking for anticounterfeiting applications. Here a convenient way to imprint robust invisible patterns in colloidal crystals of hollow silica spheres is presented. While these patterns remain invisible under static environmental humidity, even up to near 100% relative humidity, they are unveiled immediately (≈100 ms) and fully reversibly by dynamic humid flow, e.g., human breath. They reveal themselves due to the extreme wettability of the patterned (etched) regions, as confirmed by contact angle measurements. The liquid surface tension threshold to induce wetting (revealing the imprinted invisible images) is evaluated by thermodynamic predictions and subsequently verified by exposure to various vapors with different surface tension. The color of the patterned regions is furthermore independently tuned by vapors with different refractive indices. Such a system can play a key role in applications such as anticounterfeiting, identification, and vapor sensing. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Anti-Counterfeiting Quick Response Code with Emission Color of Invisible Metal-Organic Frameworks as Encoding Information.

Science.gov (United States)

Wang, Yong-Mei; Tian, Xue-Tao; Zhang, Hui; Yang, Zhong-Rui; Yin, Xue-Bo

2018-06-08

Counterfeiting is a global epidemic that is compelling the development of new anti-counterfeiting strategy. Herein, we report a novel multiple anti-counterfeiting encoding strategy of invisible fluorescent quick response (QR) codes with emission color as information storage unit. The strategy requires red, green, and blue (RGB) light-emitting materials for different emission colors as encrypting information, single excitation for all of the emission for practicability, and ultraviolet (UV) excitation for invisibility under slight. Therefore, RGB light-emitting nanoscale metal-organic frameworks (NMOFs) are designed as inks to construct the colorful light-emitting boxes for information encrypting, while three black vertex boxes were used for positioning. Full-color emissions are obtained by mixing the trichromatic NMOFs inks through inkjet printer. The encrypting information capacity is easily adjusted by the number of light-emitting boxes with the infinite emission colors. The information is decoded with specific excitation light at 275 nm, making the QR codes invisible under daylight. The composition of inks, invisibility, inkjet printing, and the abundant encrypting information all contribute to multiple anti-counterfeiting. The proposed QR codes pattern holds great potential for advanced anti-counterfeiting.

Verbal learning in the context of background music: no influence of vocals and instrumentals on verbal learning.

OpenAIRE

Jancke L; Brugger E; Brummer M; Scherrer S; Alahmadi N

2014-01-01

BACKGROUND: Whether listening to background music enhances verbal learning performance is still a matter of dispute. In this study we investigated the influence of vocal and instrumental background music on verbal learning. METHODS: 226 subjects were randomly assigned to one of five groups (one control group and 4 experimental groups). All participants were exposed to a verbal learning task. One group served as control group while the 4 further groups served as experimental groups. The con...

ADAM SMITH: LA MANO INVISIBLE O LA CONFIANZA

Directory of Open Access Journals (Sweden)

Gache, Fernando Luis

2010-12-01

Full Text Available En 1776 Adam Smith planteó que una mano invisible era quien movía a los mercados para obtener su eficiencia. No obstante en el presente trabajo vamos a plantear la hipótesis, que dicha mano invisible, es en realidad la confianza que cada persona siente en el momento de hacer un negocio. Que además es única, pues es distinta a la confianza de los demás y que se trata de una variable no lineal que fundamentalmente está ligada a las respectivas historias personales. Para ello vamos a tomar como base el trabajo de Leopoldo Abadía (2009, respecto de la crisis económico financiera que se desató en el 2007-2008, para poner en evidencia la forma en que opera la confianza. Por lo tanto la contribución que esperamos hacer con este trabajo es destacar que, el nivel de confianza de los diferentes actores, es quien realmente mueve a los mercados, (por tanto la economía y que la crisis de las hipotecas subprime es una crisis de confianza a nivel mundial.

LE MIROIR, LE SECRET ET LE SACRÉ (The Mirror, the Secret, and the Sacred

Directory of Open Access Journals (Sweden)

Jean-Jacques Wunenburger

2015-06-01

Full Text Available The perception opens the visible world. How it is then with intuition when the visible is hemmed by the invisible? What are the phenomenological and anthropological conditions of experience of invisible? We can proceed from mirror-reflections which provoked a number of beliefs in supernatural. They are inseparable from dimension of the sacred, from that what at the same time shows and hides itself. In final analysis, can we find in category of the sacred, in its diverse forms, the affective and cognitive key to the invisible?

Through the Wormhole: Tracking Invisible MPLS Tunnels

OpenAIRE

Vanaubel, Yves; Mérindol, Pascal; Pansiot, Jean-Jacques; Donnet, Benoît

2017-01-01

For years, Internet topology research has been conducted through active measurement. For instance, CAIDA builds router level topologies on top of IP level traces obtained with traceroute. The resulting graphs contain a significant amount of nodes with a very large degree, often exceeding the actual number of interfaces of a router. Although this property may result from inaccurate alias resolution, we believe that opaque MPLS clouds made of invisible tunnels are the main cause. Using Layer-2...

Phenomenology of a leptonic goldstino and invisible Higgs boson decays

CERN Document Server

Antoniadis, Ignatios; Zwirner, Fabio; Antoniadis, Ignatios; Tuckmantel, Marc; Zwirner, Fabio

2005-01-01

Non-linearly realized supersymmetry, combined with the Standard Model field content and SU(3)XSU(2)XU(1) gauge invariance, permits local dimension-six operators involving a goldstino, a lepton doublet and a Higgs doublet. These interactions preserve total lepton number if the left-handed goldstino transforms as an antilepton. We discuss the resulting phenomenology, in the simple limit where the new couplings involve only one lepton family, thus conserving also lepton flavour. Both the Z boson and the Higgs boson can decay into a neutrino and a goldstino: the present limits from the invisible Z width and from other observables leave room for the striking possibility of a Higgs boson decaying dominantly, or at least with a sizable branching ratio, via such an invisible mode. We finally comment on the perspectives at hadron and lepton colliders, and on possible extensions of our analysis.

Object permanence in dogs: invisible displacement in a rotation task.

Science.gov (United States)

Miller, Holly C; Gipson, Cassie D; Vaughan, Aubrey; Rayburn-Reeves, Rebecca; Zentall, Thomas R

2009-02-01

Dogs were tested for object permanence using an invisible displacement in which an object was hidden in one of two containers at either end of a beam and the beam was rotated. Consistent with earlier research, when the beam was rotated 180 degrees , the dogs failed to find the object. However, when the beam was rotated only 90 degrees , they were successful. Furthermore, when the dogs were led either 90 degrees or 180 degrees around the apparatus, they were also successful. In a control condition, when the dogs could not see the direction of the 90 degrees rotation, they failed to find the object. The results suggest that the 180 degrees rotation may produce an interfering context that can be reduced by rotating the apparatus only 90 degrees or by changing the dogs' perspective. Once the conflict is eliminated, dogs show evidence of object permanence that includes invisibly displaced objects.

Monetary reward modulates task-irrelevant perceptual learning for invisible stimuli.

Science.gov (United States)

Pascucci, David; Mastropasqua, Tommaso; Turatto, Massimo

2015-01-01

Task Irrelevant Perceptual Learning (TIPL) shows that the brain's discriminative capacity can improve also for invisible and unattended visual stimuli. It has been hypothesized that this form of "unconscious" neural plasticity is mediated by an endogenous reward mechanism triggered by the correct task performance. Although this result has challenged the mandatory role of attention in perceptual learning, no direct evidence exists of the hypothesized link between target recognition, reward and TIPL. Here, we manipulated the reward value associated with a target to demonstrate the involvement of reinforcement mechanisms in sensory plasticity for invisible inputs. Participants were trained in a central task associated with either high or low monetary incentives, provided only at the end of the experiment, while subliminal stimuli were presented peripherally. Our results showed that high incentive-value targets induced a greater degree of perceptual improvement for the subliminal stimuli, supporting the role of reinforcement mechanisms in TIPL.

In-Vision Continuity Announcers: Performing an Identity for Early Television in Europe

Directory of Open Access Journals (Sweden)

Sonja de Leeuw

2013-12-01

Full Text Available In-vision continuity announcers have played central – yet understudied – roles in early television history. Through their performances on and off the screen, they mediated the identity of the televisual medium in the 1950s and 1960s, popularizing it as a medium of sound and vision, a domestic and gendered medium as well as a national and transnational institution.Focusing primarily on Dutch and Romanian female in-vision continuity announcers in the 1950s and 60s and making extensive comparisons with other countries in Europe, this article illustrates how these early professionals of television performed as part of a European-wide phenomenon of defining the identity of the new televisual medium.

Verbal learning in the context of background music: no influence of vocals and instrumentals on verbal learning.

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Jäncke, Lutz; Brügger, Eliane; Brummer, Moritz; Scherrer, Stephanie; Alahmadi, Nsreen

2014-03-26

Whether listening to background music enhances verbal learning performance is still a matter of dispute. In this study we investigated the influence of vocal and instrumental background music on verbal learning. 226 subjects were randomly assigned to one of five groups (one control group and 4 experimental groups). All participants were exposed to a verbal learning task. One group served as control group while the 4 further groups served as experimental groups. The control group learned without background music while the 4 experimental groups were exposed to vocal or instrumental musical pieces during learning with different subjective intensity and valence. Thus, we employed 4 music listening conditions (vocal music with high intensity: VOC_HIGH, vocal music with low intensity: VOC_LOW, instrumental music with high intensity: INST_HIGH, instrumental music with low intensity: INST_LOW) and one control condition (CONT) during which the subjects learned the word lists. Since it turned out that the high and low intensity groups did not differ in terms of the rated intensity during the main experiment these groups were lumped together. Thus, we worked with 3 groups: one control group and two groups, which were exposed to background music (vocal and instrumental) during verbal learning. As dependent variable, the number of learned words was used. Here we measured immediate recall during five learning sessions (recall 1 - recall 5) and delayed recall for 15 minutes (recall 6) and 14 days (recall 7) after the last learning session. Verbal learning improved during the first 5 recall sessions without any strong difference between the control and experimental groups. Also the delayed recalls were similar for the three groups. There was only a trend for attenuated verbal learning for the group passively listened to vocals. This learning attenuation diminished during the following learning sessions. The exposure to vocal or instrumental background music during encoding did not

Linguistic analysis of verbal and non-verbal communication in the operating room.

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Moore, Alison; Butt, David; Ellis-Clarke, Jodie; Cartmill, John

2010-12-01

Surgery can be a triumph of co-operation, the procedure evolving as a result of joint action between multiple participants. The communication that mediates the joint action of surgery is conveyed by verbal but particularly by non-verbal signals. Competing priorities superimposed by surgical learning must also be negotiated within this context and this paper draws on techniques of systemic functional linguistics to observe and analyse the flow of information during such a phase of surgery. © 2010 The Authors. ANZ Journal of Surgery © 2010 Royal Australasian College of Surgeons.

Correlated and uncorrelated invisible temporal white noise alters mesopic rod signaling.

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Hathibelagal, Amithavikram R; Feigl, Beatrix; Kremers, Jan; Zele, Andrew J

2016-03-01

We determined how rod signaling at mesopic light levels is altered by extrinsic temporal white noise that is correlated or uncorrelated with the activity of one (magnocellular, parvocellular, or koniocellular) postreceptoral pathway. Rod and cone photoreceptor excitations were independently controlled using a four-primary photostimulator. Psychometric (Weibull) functions were measured for incremental rod pulses (50 to 250 ms) in the presence (or absence; control) of perceptually invisible subthreshold extrinsic noise. Uncorrelated (rod) noise facilitates rod detection. Correlated postreceptoral pathway noise produces differential changes in rod detection thresholds and decreases the slope of the psychometric functions. We demonstrate that invisible extrinsic noise changes rod-signaling characteristics within the three retinogeniculate pathways at mesopic illumination depending on the temporal profile of the rod stimulus and the extrinsic noise type.

EEG correlates of verbal and nonverbal working memory

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Danker Jared

2005-11-01

Full Text Available Abstract Background Distinct cognitive processes support verbal and nonverbal working memory, with verbal memory depending specifically on the subvocal rehearsal of items. Methods We recorded scalp EEG while subjects performed a Sternberg task. In each trial, subjects judged whether a probe item was one of the three items in a study list. Lists were composed of stimuli from one of five pools whose items either were verbally rehearsable (letters, words, pictures of common objects or resistant to verbal rehearsal (sinusoidal grating patterns, single dot locations. Results We found oscillatory correlates unique to verbal stimuli in the θ (4–8 Hz, α (9–12 Hz, β (14–28 Hz, and γ (30–50 Hz frequency bands. Verbal stimuli generally elicited greater power than did nonverbal stimuli. Enhanced verbal power was found bilaterally in the θ band, over frontal and occipital areas in the α and β bands, and centrally in the γ band. When we looked specifically for cases where oscillatory power in the time interval between item presentations was greater than oscillatory power during item presentation, we found enhanced β activity in the frontal and occipital regions. Conclusion These results implicate stimulus-induced oscillatory activity in verbal working memory and β activity in the process of subvocal rehearsal.

The invisible hand and the rational agent are behind bubbles and crashes

International Nuclear Information System (INIS)

Galam, Serge

2016-01-01

The 2000 dot-com crash and the 2008 subprime crisis have fueled the belief that the two classical paradigms of economics, the invisible hand and the rational agent, are not well appropriate to describe market dynamics and should be abandoned at the benefit of alternative new theoretical concepts. At odd with such a view, using a simple model of choice dynamics from sociophysics, the invisible hand and the rational agent paradigms are given a new legitimacy. Indeed, it is sufficient to introduce the holding of a few intermediate mini market aggregations by agents sharing their own private information, to recenter the invisible hand and the rational agent at the heart of market self regulation. An elasticity is discovered in the market efficiency mechanism due to the existence of an agent collective anticipation. This elasticity is shown to create spontaneous bubbles, which are rationally founded. At the same time, crashes occur at once when the limit of elasticity is reached. Plasticity can also be achieved through a combination of a crash with a sudden shift of the collective anticipation. Although the findings disclose a path to put an end to the bubble-crash phenomena, it is argued to be rationally not feasible. Bubbles and crashes are thus an intrinsic internal part of classical economics.

Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes.

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A search for invisible decays of Higgs bosons is performed using the vector boson fusion and associated ZH production modes. In the ZH mode, the Z boson is required to decay to a pair of charged leptons or a [Formula: see text] quark pair. The searches use the 8 [Formula: see text] pp collision dataset collected by the CMS detector at the LHC, corresponding to an integrated luminosity of up to 19.7 [Formula: see text]. Certain channels include data from 7 [Formula: see text] collisions corresponding to an integrated luminosity of 4.9 [Formula: see text]. The searches are sensitive to non-standard-model invisible decays of the recently observed Higgs boson, as well as additional Higgs bosons with similar production modes and large invisible branching fractions. In all channels, the observed data are consistent with the expected standard model backgrounds. Limits are set on the production cross section times invisible branching fraction, as a function of the Higgs boson mass, for the vector boson fusion and ZH production modes. By combining all channels, and assuming standard model Higgs boson cross sections and acceptances, the observed (expected) upper limit on the invisible branching fraction at [Formula: see text] [Formula: see text] is found to be 0.58 (0.44) at 95 % confidence level. We interpret this limit in terms of a Higgs-portal model of dark matter interactions.

Comparative Analysis of Verbal and Non-Verbal Mental Activity Components Regarding the Young People with Different Intellectual Levels

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Y. M. Revenko

2013-01-01

Full Text Available The paper maintains that for developing the educational pro- grams and technologies adequate to the different stages of students’ growth and maturity, there is a need for exploring the natural determinants of intel- lectual development as well as the students’ individual qualities affecting the cognition process. The authors investigate the differences of the intellect manifestations with the reference to the gender principle, and analyze the correlations be- tween verbal and non-verbal components in boys and girls’ mental activity depending on their general intellect potential. The research, carried out in Si- berian State Automobile Road Academy and focused on the first year stu- dents, demonstrates the absence of gender differences in students’ general in- tellect levels; though, there are some other conformities: the male students of different intellectual levels show the same correlation coefficient of verbal and non-verbal intellect while the female ones have the same correlation only at the high intellect level. In conclusion, the authors emphasize the need for the integral ap- proach to raising students’ mental abilities considering the close interrelation between the verbal and non-verbal component development. The teaching materials should stimulate different mental qualities by differentiating the educational process to develop students’ individual abilities. 

A map of the invisible journeys into particle physics

CERN Document Server

Butterworth, Jon

2017-01-01

What is the universe really made of? How do we know? Follow the map of the invisible to find out... Over the last sixty years, scientists around the world have worked together to explore the fundamental constituents of matter, and the forces that govern their behaviour. The result, so far, is the ‘Standard Model’ of elementary particles: a theoretical map of the basic building blocks of the universe. With the discovery of the Higgs boson in 2012, the map as we know it was completed, but also extended into strange new territory. A Map of the Invisible is an explorer’s guide to the Standard Model and the extraordinary realms of particle physics. After shrinking us down to the size of a sub-atomic particle, pioneering physicist Jon Butterworth takes us on board his research vessel for a journey in search of atoms and quarks, electrons and neutrinos, and the forces that shape the universe. Step by step, discovery by discovery, we journey into the world of the unseen, from the atom to black holes and dark ...

Object permanence and working memory in cats (Felis catus).

Science.gov (United States)

Goulet, S; Doré, F Y; Rousseau, R

1994-10-01

Cats (Felis catus) find an object when it is visibly moved behind a succession of screens. However, when the object is moved behind a container and is invisibly transferred from the container to the back of a screen, cats try to find the object at or near the container rather than at the true hiding place. Four experiments were conducted to study search behavior and working memory in visible and invisible displacement tests of object permanence. Experiment 1 compared performance in single and in double visible displacement trials. Experiment 2 analyzed search behavior in invisible displacement tests and in analogs using a transparent container. Experiments 3 and 4 tested predictions made from Experiment 1 and 2 in a new situation of object permanence. Results showed that only the position changes that cats have directly perceived are encoded and activated in working memory, because they are unable to represent or infer invisible movements.

¿Violencia invisible o del éxtasis al dolor? Invisible violence or from ecstasy to pain?

Directory of Open Access Journals (Sweden)

Lourdes Fernández Rius

2008-04-01

Full Text Available Los valores y roles para cada género no tienen el mismo reconocimiento social. Se trata de una construcción cultural que pretende, apoyándose en las diferencias, y en una dicotómica jerarquización y poder, establecer una desigualdad que acentúa la supremacía de lo masculino como valor. En la cultura patriarcal - como tendencia - suelen ser los hombres los más violentos, para un comportamiento de dependencia y docilidad en las mujeres. Por ello las relaciones de pareja, asociadas con fantasías de amor, constituyen un espacio de poder y son acosadas constantemente por vivencias de servidumbre y dominio. Diferencia - jerarquía - desigualdad - discriminación - violencia, circuito invisible en retroalimentación que la cultura reedita cotidianamente y que se expresa desde formas psicológicas, hasta daños extremos fundamentalmente hacia las mujeres en los vínculos amorosos.The values and roles for each gender are not socially recognized in an impartial way. It is a cultural construction that seeks, relying on the differences and, on a dichotomous hierarchy and power, to establish an inequality that reinforces the supremacy of masculinity as a value. In patriarchal culture - as a trend - men tend to be the most violent, and women to have a behavior of dependence and docility. Therefore the coupling relationships associated with fantasies of love are a space of power and are constantly harassed by experiences of servitude and domination. Difference - hierarchy - inequality - discrimination - violence, invisible feedback circuit that culture reedits daily and which expresses itself from psychological form to extreme damages primarily toward women on the amorous relationship.

Unpacking the invisible knapsack: The invention of white privilege pedagogy

Directory of Open Access Journals (Sweden)

Leslie Margolin

2015-12-01

Full Text Available This article uses Ricoeur’s hermeneutics of suspicion, an interpretive strategy directed to the hidden or repressed meanings behind texts, to examine the origins of white privilege pedagogy, in particular their foundational technique, “unpacking the invisible knapsack.” This article’s chief finding is that this pedagogy, though designed to fight racism, has the unintended effect of supporting white privilege. Teaching whites to “unpack their invisible knapsack” does not make them more willing to take action against racial inequality. On the contrary, it makes them more complacent, more at home in an unjust world, and more comfortable with their whiteness. White privilege pedagogy does this by focusing on personal identity (whites’ personal identity over institutional structures, by paying more attention to whites’ experiences than to blacks’, by falsely claiming that the confession of white privileges leads to social action beneficial to blacks, and by restoring and expanding whites’ sense of moral rightness.

Monetary reward modulates task-irrelevant perceptual learning for invisible stimuli.

Directory of Open Access Journals (Sweden)

David Pascucci

Full Text Available Task Irrelevant Perceptual Learning (TIPL shows that the brain's discriminative capacity can improve also for invisible and unattended visual stimuli. It has been hypothesized that this form of "unconscious" neural plasticity is mediated by an endogenous reward mechanism triggered by the correct task performance. Although this result has challenged the mandatory role of attention in perceptual learning, no direct evidence exists of the hypothesized link between target recognition, reward and TIPL. Here, we manipulated the reward value associated with a target to demonstrate the involvement of reinforcement mechanisms in sensory plasticity for invisible inputs. Participants were trained in a central task associated with either high or low monetary incentives, provided only at the end of the experiment, while subliminal stimuli were presented peripherally. Our results showed that high incentive-value targets induced a greater degree of perceptual improvement for the subliminal stimuli, supporting the role of reinforcement mechanisms in TIPL.

Preverbal and verbal counting and computation.

Science.gov (United States)

Gallistel, C R; Gelman, R

1992-08-01

We describe the preverbal system of counting and arithmetic reasoning revealed by experiments on numerical representations in animals. In this system, numerosities are represented by magnitudes, which are rapidly but inaccurately generated by the Meck and Church (1983) preverbal counting mechanism. We suggest the following. (1) The preverbal counting mechanism is the source of the implicit principles that guide the acquisition of verbal counting. (2) The preverbal system of arithmetic computation provides the framework for the assimilation of the verbal system. (3) Learning to count involves, in part, learning a mapping from the preverbal numerical magnitudes to the verbal and written number symbols and the inverse mappings from these symbols to the preverbal magnitudes. (4) Subitizing is the use of the preverbal counting process and the mapping from the resulting magnitudes to number words in order to generate rapidly the number words for small numerosities. (5) The retrieval of the number facts, which plays a central role in verbal computation, is mediated via the inverse mappings from verbal and written numbers to the preverbal magnitudes and the use of these magnitudes to find the appropriate cells in tabular arrangements of the answers. (6) This model of the fact retrieval process accounts for the salient features of the reaction time differences and error patterns revealed by experiments on mental arithmetic. (7) The application of verbal and written computational algorithms goes on in parallel with, and is to some extent guided by, preverbal computations, both in the child and in the adult.

The passing dilemma in socially invisible diseases: narratives on chronic headache.

Science.gov (United States)

Lonardi, Cristina

2007-10-01

This contribution concerns the experience of chronic diseases and how it disrupts the trajectory of a person's biography, undermining his/her identity, self-reliance and social relationships. The study focuses particular attention on those diseases which have not yet been fully acknowledged and can, therefore, be considered a socially invisible disease: chronic headache is one of these. Thirty-one life stories were collected from patients attending a specialized headache centre in Northern Italy, and selected in order to include all common varieties of chronic headache. Following the principles of grounded theory, interviews began by adopting a minimal theoretical framework which consisted of asking people how they became aware of the objective (disease), subjective (illness) and social (sickness) aspects of their condition. The analysis highlighted particular points in the patients' life trajectories: first, the biographical disruption that takes place because of the disease; second, how people succeed or fail in identity negotiation, which is vital for developing an acceptable social representation of the disease. Results show that patient's choices follow a vicious circle, where a partial social representation of the disease is produced. People who suffer from chronic headache face a dilemma in social relationships: should they conceal their disease, or make it evident? If they conceal, any possible social representation of the disease is denied, which could lead to carrying the burden of the disease alone, with no social support. On the other hand, making chronic headache visible could result in stigma.

Object permanence in orangutans (Pongo pygmaeus) and squirrel monkeys (Saimiri sciureus).

Science.gov (United States)

de Blois, S T; Novak, M A; Bond, M

1998-06-01

The authors tested orangutans (Pongo pygmaeus) and squirrel monkeys (Saimiri sciureus) on object permanence tasks. In Experiment 1, orangutans solved all visible displacements and most invisible displacements except those involving movements into 2 boxes successively. In Experiment 2, performance of orangutans on double invisible displacements and control displacements (assessing simple strategies) was compared. Orangutans did not use the simple strategy of selecting the box visited last by the experimenter. Instead, poorer performance on double invisible displacements may have been related to increased memory requirements. In Experiment 3, squirrel monkeys were tested using the procedure of Experiment 1. Squirrel monkeys solved visible but did not comprehend invisible displacements. Results suggest that orangutans but not squirrel monkeys possess Stage 6 object permanence capabilities.

Sketching the Invisible to Predict the Visible: From Drawing to Modeling in Chemistry.

Science.gov (United States)

Cooper, Melanie M; Stieff, Mike; DeSutter, Dane

2017-10-01

Sketching as a scientific practice goes beyond the simple act of inscribing diagrams onto paper. Scientists produce a wide range of representations through sketching, as it is tightly coupled to model-based reasoning. Chemists in particular make extensive use of sketches to reason about chemical phenomena and to communicate their ideas. However, the chemical sciences have a unique problem in that chemists deal with the unseen world of the atomic-molecular level. Using sketches, chemists strive to develop causal mechanisms that emerge from the structure and behavior of molecular-level entities, to explain observations of the macroscopic visible world. Interpreting these representations and constructing sketches of molecular-level processes is a crucial component of student learning in the modern chemistry classroom. Sketches also serve as an important component of assessment in the chemistry classroom as student sketches give insight into developing mental models, which allows instructors to observe how students are thinking about a process. In this paper we discuss how sketching can be used to promote such model-based reasoning in chemistry and discuss two case studies of curricular projects, CLUE and The Connected Chemistry Curriculum, that have demonstrated a benefit of this approach. We show how sketching activities can be centrally integrated into classroom norms to promote model-based reasoning both with and without component visualizations. Importantly, each of these projects deploys sketching in support of other types of inquiry activities, such as making predictions or depicting models to support a claim; sketching is not an isolated activity but is used as a tool to support model-based reasoning in the discipline. Copyright © 2017 Cognitive Science Society, Inc.

Verbal Skills in Children with ADHD. Short Report

Science.gov (United States)

Andreou, G.; Agapitou, P.; Karapetsas, A.

2005-01-01

The present study examined whether ADHD children exhibit low verbal IQ (VIQ) and distinguishable test profile on the Verbal comprehension (VC) and Freedom from distractibility (FFD) factors, and whether gender influences their verbal abilities. At the Laboratory of Neuropsychology of the Department of Special Education, University of Thessaly,…

Verbal abuse and physical assault in the emergency department: Rates of violence, perceptions of safety, and attitudes towards security.

Science.gov (United States)

Partridge, Bradley; Affleck, Julia

2017-08-01

Emergency Department (ED) workers are prone to occupational violence, however the extent and impact of this may not be evenly felt across all roles in the ED. Explore: 1) the rate of verbal abuse and physical assaults experienced by ED staff, 2) perceptions of safety, 3) attitudes towards security officers, and 4) formal reporting of incidents. 330 ED workers were surveyed at four public hospitals in one metropolitan health service district in Queensland, Australia, including 179 nurses, 83 medical staff, 44 administration staff, 14 allied health, and 9 operational. Nurses were more likely to have been physically assaulted in the last six months and were less likely to feel safe. Most ED staff across all roles experienced verbal abuse. Nurses were better than medical staff at reporting instances of occupational violence although overall reporting across all roles was low. Staff who thought that security officers respond to incidents quickly and are a visible presence in the ED were more likely to feel safe in the ED. Workers in the ED, particularly nurses, experience high rates of verbal abuse and physical aggression and there may be a case for having designated security guards in the ED. Copyright © 2017 College of Emergency Nursing Australasia. Published by Elsevier Ltd. All rights reserved.

Invisible losses and the logics of resettlement compensation.

Science.gov (United States)

Witter, Rebecca; Satterfield, Terre

2014-10-01

The necessity of compensating people negatively affected by conservation and other development projects has been widely acknowledged. It is less widely acknowledged that because conventional compensation assessments focus on material resources and their economic equivalents, many important losses incurred by resettlers are invisible to project authorities. Through ethnographic observations and interviews, we documented losses identified by people facing resettlement from Mozambique's Limpopo National Park. We also examined resettlement planning documents to determine why decision makers' assessments of natural resource use and value neglect losses residents identified as critical. Identifying, preventing, and mitigating invisible losses in resettlement planning necessitates a better understanding of intangible benefits residents derive from resources, which are often as or more important than their readily apparent material properties. These benefits include but are not limited to decision-making authority linked to owning land versus having the use of fields; ancestral identity and social belonging linked to gravesites; the importance of tree roots that provide a powerful sense of security because they suppress hunger in periods of scarcity; and the importance of people's location within social networks and hierarchies as they determine the benefits versus risks that will be incurred through resettlement. © 2014 Society for Conservation Biology.

Rose George: Deep Sea and Foreign Going: Inside Shipping, the Invisible Industry that Brings you 90% of Everything

DEFF Research Database (Denmark)

Taudal Poulsen, René

2014-01-01

Book review of: Rose George: Deep Sea and Foreign Going: Inside Shipping, the Invisible Industry that Brings you 90% of Everything. London :Portobello Books, 2013. 320 pp. ISBN 9781846272639......Book review of: Rose George: Deep Sea and Foreign Going: Inside Shipping, the Invisible Industry that Brings you 90% of Everything. London :Portobello Books, 2013. 320 pp. ISBN 9781846272639...

Citation Analysis of Skinner's "Verbal Behavior:" 1984-2004

Science.gov (United States)

Dymond, S.; O'Hora, D.; Whelan, R.; O'Donovan, A.

2006-01-01

The present study undertook an updated citation analysis of Skinner's (1957) "Verbal Behavior". All articles that cited "Verbal Behavior" between 1984 and 2004 were recorded and content analyzed into one of five categories; four empirical and one nonempirical. Of the empirical categories, studies that employed a verbal operant from Skinner's…

Cognitive correlates of verbal memory and verbal fluency in schizophrenia, and differential effects of various clinical symptoms between male and female patients.

Science.gov (United States)

Brébion, Gildas; Villalta-Gil, Victoria; Autonell, Jaume; Cervilla, Jorge; Dolz, Montserrat; Foix, Alexandrina; Haro, Josep Maria; Usall, Judith; Vilaplana, Miriam; Ochoa, Susana

2013-06-01

Impairment of higher cognitive functions in patients with schizophrenia might stem from perturbation of more basic functions, such as processing speed. Various clinical symptoms might affect cognitive efficiency as well. Notably, previous research has revealed the role of affective symptoms on memory performance in this population, and suggested sex-specific effects. We conducted a post-hoc analysis of an extensive neuropsychological study of 88 patients with schizophrenia. Regression analyses were conducted on verbal memory and verbal fluency data to investigate the contribution of semantic organisation and processing speed to performance. The role of negative and affective symptoms and of attention disorders in verbal memory and verbal fluency was investigated separately in male and female patients. Semantic clustering contributed to verbal recall, and a measure of reading speed contributed to verbal recall as well as to phonological and semantic fluency. Negative symptoms affected verbal recall and verbal fluency in the male patients, whereas attention disorders affected these abilities in the female patients. Furthermore, depression affected verbal recall in women, whereas anxiety affected it in men. These results confirm the association of processing speed with cognitive efficiency in patients with schizophrenia. They also confirm the previously observed sex-specific associations of depression and anxiety with memory performance in these patients, and suggest that negative symptoms and attention disorders likewise are related to cognitive efficiency differently in men and women. Copyright © 2013 Elsevier B.V. All rights reserved.

MO-E-18C-06: Enriching Medical Physics Education By Visualizing The Invisible

International Nuclear Information System (INIS)

Sprawls, P

2014-01-01

Purpose: To enhance the understanding of medical physics concepts and develop higher levels of learning relating to invisible physics phenomena such as radiation. To provide medical physics educators in all countries of the world with understanding of knowledge structures in the human brain, the different levels of learning, and the types of knowledge required for higher level functions such as problem solving, creative innovations, and applied clinical applications. To provide medical physics educators with an open access resource (tool) that they can use in their teaching activities to enrich and elevate the level of learning for their students, residents, etc. with respect to the invisible realm of medical physics. Methods: An experienced clinical medical physicist and educator has created and provided with open access three complementary web-based resources to achieve the purposes described above. One is a module focusing on the medical physics learning process with respect to mental knowledge structures, how they relate to outcomes and applications, and learning activities that are required to develop the required knowledge structures. The second is an extensive set of visuals that educators can use in their activities (classes, small group discussions, etc.) to visualize the invisible. The third is an interactive online simulation where learners can adjust factors and visually observe changes in x-radiation.These resources are available online at www.BLINDED FOR REVIEW . Results: Medical physics education, especially for non-physicists, is becoming much more interesting and useful especially with respect to invisible radiation. The global impact is that medical imaging professionals can be more effective in optimizing x-ray imaging procedures and risk management when they have knowledge levels that enhance problem solving, innovation, and creativity. Conclusion: Medical physics educators in all institutions can be much more effective and efficient in the

MO-E-18C-06: Enriching Medical Physics Education By Visualizing The Invisible

Energy Technology Data Exchange (ETDEWEB)

Sprawls, P [Emory University and Sprawls Educational Foundation, Montreat, NC (United States)

2014-06-15

Purpose: To enhance the understanding of medical physics concepts and develop higher levels of learning relating to invisible physics phenomena such as radiation. To provide medical physics educators in all countries of the world with understanding of knowledge structures in the human brain, the different levels of learning, and the types of knowledge required for higher level functions such as problem solving, creative innovations, and applied clinical applications. To provide medical physics educators with an open access resource (tool) that they can use in their teaching activities to enrich and elevate the level of learning for their students, residents, etc. with respect to the invisible realm of medical physics. Methods: An experienced clinical medical physicist and educator has created and provided with open access three complementary web-based resources to achieve the purposes described above. One is a module focusing on the medical physics learning process with respect to mental knowledge structures, how they relate to outcomes and applications, and learning activities that are required to develop the required knowledge structures. The second is an extensive set of visuals that educators can use in their activities (classes, small group discussions, etc.) to visualize the invisible. The third is an interactive online simulation where learners can adjust factors and visually observe changes in x-radiation.These resources are available online at www.BLINDED FOR REVIEW . Results: Medical physics education, especially for non-physicists, is becoming much more interesting and useful especially with respect to invisible radiation. The global impact is that medical imaging professionals can be more effective in optimizing x-ray imaging procedures and risk management when they have knowledge levels that enhance problem solving, innovation, and creativity. Conclusion: Medical physics educators in all institutions can be much more effective and efficient in the

Teaching clinical reasoning by making thinking visible: an action research project with allied health clinical educators.

Science.gov (United States)

Delany, Clare; Golding, Clinton

2014-01-30

Clinical reasoning is fundamental to all forms of professional health practice, however it is also difficult to teach and learn because it is complex, tacit, and effectively invisible for students. In this paper we present an approach for teaching clinical reasoning based on making expert thinking visible and accessible to students. Twenty-one experienced allied health clinical educators from three tertiary Australian hospitals attended up to seven action research discussion sessions, where they developed a tentative heuristic of their own clinical reasoning, trialled it with students, evaluated if it helped their students to reason clinically, and then refined it so the heuristic was targeted to developing each student's reasoning skills. Data included participants' written descriptions of the thinking routines they developed and trialed with their students and the transcribed action research discussion sessions. Content analysis was used to summarise this data and categorise themes about teaching and learning clinical reasoning. Two overriding themes emerged from participants' reports about using the 'making thinking visible approach'. The first was a specific focus by participating educators on students' understanding of the reasoning process and the second was heightened awareness of personal teaching styles and approaches to teaching clinical reasoning. We suggest that the making thinking visible approach has potential to assist educators to become more reflective about their clinical reasoning teaching and acts as a scaffold to assist them to articulate their own expert reasoning and for students to access and use.

The N-Word: Reducing Verbal Pollution in Schools

Science.gov (United States)

Fisher, Ericka J.

2008-01-01

In this article, the author focuses on the crisis of verbal pollution in our society. "Verbal pollution" refers to the use of words and comments that the majority agrees are offensive, are damaging, and may lead to the deterioration of social institutions. Verbal pollution encompasses hate speech, such as the derogatory words used by…

Flavor connections and neutrino mass hierarchy in variant invisible axion models without domain wall problem

International Nuclear Information System (INIS)

Geng, C.Q.; Ng, J.N.

1988-08-01

New types of invisible axion model based on the recent variant axion models are presented. They belong to the N=1 type model and hence are free of domain wall problems. The Peccei-Quinn symmetry transformations are not totally generation and flavor blind, which may help in understanding the small values of electron and u-quark and large t-quark masses. The light neutrino mass pattern in the two Higgs singlet models can have a very different hierarchy that differs from the other type invisible axion model. (Author) (25 refs.)

Making the invisible visible: improving conspicuity of noncalcified gallstones using dual-energy CT.

Science.gov (United States)

Uyeda, Jennifer W; Richardson, Ian J; Sodickson, Aaron D

2017-12-01

To determine whether virtual monochromatic imaging (VMI) increases detectability of noncalcified gallstones on dual-energy CT (DECT) compared with conventional CT imaging. This retrospective IRB-approved, HIPAA-compliant study included consecutive patients who underwent DECT of the abdomen in the Emergency Department during a 30-month period (July 1, 2013-December 31, 2015), with a comparison US or MR within 1-year. 51 patients (36F, 15M; mean age 52 years) fulfilled the inclusion criteria. All DECT were acquired on a dual-source 128 × 2 slice scanner using either 80/Sn140 or 100/Sn140 kVp pairs. Source images at high and low kVp were used for DE post-processing with VMI. Within 3 mm reconstructed images, regions of interest of 0.5 cm 2 were placed on noncalcified gallstones and bile to record hounsfield units (HU) at VMI energy levels ranging between 40 and 190 keV. Noncalcified gallstones uniformly demonstrated lowest HU at 40 keV and increase at higher keV; the HU of bile varied at higher keV. Few of the noncalcified stones are visible at 70 keV (simulating a conventional 120 kVp scan), with measured contrast (bile-stone HU difference) 20 HU in 2%. Contrast was maximal at 40 keV, where 100% demonstrated >20 HU difference from surrounding bile, 75% >44 HU difference, and 50% >60 HU difference. A paired t test demonstrated a significant difference (p < 0.0001) between this stone-bile contrast at 40 vs. 70 keV and 70 vs. 190 keV. Low keV virtual monochromatic imaging increased conspicuity of noncalcified gallstones, improving their detectability.

Visuo-spatial abilities are key for young children's verbal number skills.

Science.gov (United States)

Cornu, Véronique; Schiltz, Christine; Martin, Romain; Hornung, Caroline

2018-02-01

Children's development of verbal number skills (i.e., counting abilities and knowledge of the number names) presents a milestone in mathematical development. Different factors such as visuo-spatial and verbal abilities have been discussed as contributing to the development of these foundational skills. To understand the cognitive nature of verbal number skills in young children, the current study assessed the relation of preschoolers' verbal and visuo-spatial abilities to their verbal number skills. In total, 141 children aged 5 or 6 years participated in the current study. Verbal number skills were regressed on vocabulary, phonological awareness and visuo-spatial abilities, and verbal and visuo-spatial working memory in a structural equation model. Only visuo-spatial abilities emerged as a significant predictor of verbal number skills in the estimated model. Our results suggest that visuo-spatial abilities contribute to a larger extent to children's verbal number skills than verbal abilities. From a theoretical point of view, these results suggest a visuo-spatial, rather than a verbal, grounding of verbal number skills. These results are potentially informative for the conception of early mathematics assessments and interventions. Copyright © 2017 Elsevier Inc. All rights reserved.

Young children's coding and storage of visual and verbal material.

Science.gov (United States)

Perlmutter, M; Myers, N A

1975-03-01

36 preschool children (mean age 4.2 years) were each tested on 3 recognition memory lists differing in test mode (visual only, verbal only, combined visual-verbal). For one-third of the children, original list presentation was visual only, for another third, presentation was verbal only, and the final third received combined visual-verbal presentation. The subjects generally performed at a high level of correct responding. Verbal-only presentation resulted in less correct recognition than did either visual-only or combined visual-verbal presentation. However, because performances under both visual-only and combined visual-verbal presentation were statistically comparable, and a high level of spontaneous labeling was observed when items were presented only visually, a dual-processing conceptualization of memory in 4-year-olds was suggested.

Hiding the interior region of core-shell nanoparticles with quantum invisible cloaks

Science.gov (United States)

Lee, Jeng Yi; Lee, Ray-Kuang

2014-04-01

Based on the scattering cancellation, we provide a method not only making a nanoparticle nearly invisible, but also hiding its interior region from the outside probing matter wave. By applying the interplay among the nodal points of partial waves along with the concept of streamline in fluid dynamics for probability flux, a quantum invisible cloak to the electron transport in a host semiconductor is demonstrated by simultaneously guiding the probability flux outside a hidden region and keeping the total scattering cross section negligible. As the probability flux vanishes in the interior region, one can embed any materials inside a multiple core-shell nanoparticle without affecting physical observables from the outside. Our results reveal the possibility to design a protection shield layer for fragile interior parts from the impact of transport electrons.

Coordinate transformations make perfect invisibility cloaks with arbitrary shape

International Nuclear Information System (INIS)

Yan Wei; Yan Min; Ruan Zhichao; Qiu Min

2008-01-01

By investigating wave properties at cloak boundaries, invisibility cloaks with arbitrary shape constructed by general coordinate transformations are confirmed to be perfectly invisible to the external incident wave. The differences between line transformed cloaks and point transformed cloaks are discussed. The fields in the cloak medium are found analytically to be related to the fields in the original space via coordinate transformation functions. At the exterior boundary of the cloak, it is shown that no reflection is excited even though the permittivity and permeability do not always have a perfectly matched layer form, whereas at the inner boundary, no reflection is excited either, and in particular no field can penetrate into the cloaked region. However, for the inner boundary of any line transformed cloak, the permittivity and permeability in a specific tangential direction are always required to be infinitely large. Furthermore, the field discontinuity at the inner boundary always exists; the surface current is induced to make this discontinuity self-consistent. A point transformed cloak does not experience such problems. The tangential fields at the inner boundary are all zero, implying that no field discontinuity exists

Racism, Invisibility, and the Alienation of the African American in ...

African Journals Online (AJOL)

Although Ralph Ellison's Invisible Man has enjoyed a plethora of readings, how the Marxist concept of alienation and estrangement figure in the narrative has been largely ignored. Moreover, critics appear not to be in agreement about Ellison's aesthetic project in this novel. While some acknowledge the “Negro slant” of the ...

Search for invisibly decaying Higgs boson at Large Hadron Collider

Indian Academy of Sciences (India)

boson with a mass of 120 GeV/c2 for LHC energy of 14 TeV. Since the ... The exercise described here for the determination of the significance for excess ... to search for the invisible Higgs boson with less than 10 fb−1 at 3σ level [8]. We report ...

The Multiple Control of Verbal Behavior

Science.gov (United States)

Michael, Jack; Palmer, David C.; Sundberg, Mark L.

2011-01-01

Amid the novel terms and original analyses in Skinner's "Verbal Behavior", the importance of his discussion of multiple control is easily missed, but multiple control of verbal responses is the rule rather than the exception. In this paper we summarize and illustrate Skinner's analysis of multiple control and introduce the terms "convergent…

Schiffer's Conjecture, Interior Transmission Eigenvalues and Invisibility Cloaking: Singular Problem vs. Nonsingular Problem

OpenAIRE

Liu, Hongyu

2012-01-01

In this note, we present some interesting observations on the Schiffer's conjecture, interior transmission eigenvalue problem and their connections to singular and nonsingular invisibility cloaking problems of acoustic waves.

Verbal overshadowing of visual memories: some things are better left unsaid.

Science.gov (United States)

Schooler, J W; Engstler-Schooler, T Y

1990-01-01

It is widely believed that verbal processing generally improves memory performance. However, in a series of six experiments, verbalizing the appearance of previously seen visual stimuli impaired subsequent recognition performance. In Experiment 1, subjects viewed a videotape including a salient individual. Later, some subjects described the individual's face. Subjects who verbalized the face performed less well on a subsequent recognition test than control subjects who did not engage in memory verbalization. The results of Experiment 2 replicated those of Experiment 1 and further clarified the effect of memory verbalization by demonstrating that visualization does not impair face recognition. In Experiments 3 and 4 we explored the hypothesis that memory verbalization impairs memory for stimuli that are difficult to put into words. In Experiment 3 memory impairment followed the verbalization of a different visual stimulus: color. In Experiment 4 marginal memory improvement followed the verbalization of a verbal stimulus: a brief spoken statement. In Experiments 5 and 6 the source of verbally induced memory impairment was explored. The results of Experiment 5 suggested that the impairment does not reflect a temporary verbal set, but rather indicates relatively long-lasting memory interference. Finally, Experiment 6 demonstrated that limiting subjects' time to make recognition decisions alleviates the impairment, suggesting that memory verbalization overshadows but does not eradicate the original visual memory. This collection of results is consistent with a recording interference hypothesis: verbalizing a visual memory may produce a verbally biased memory representation that can interfere with the application of the original visual memory.

Reflections on "Verbal Behavior" at 60

Science.gov (United States)

Schlinger, Henry D., Jr.

2017-01-01

In the present essay, commemorating the 60th anniversary of the publication of B. F. Skinner's "Verbal Behavior", I stand by and defend the judgment I expressed in my article "The Long Goodbye: Why B. F. Skinner's 'Verbal Behavior' Is Alive and Well on the 50th Anniversary of Its Publication" (2008c)--that Skinner's…

Verbal and non-verbal semantic impairment: From fluent primary progressive aphasia to semantic dementia

Directory of Open Access Journals (Sweden)

Mirna Lie Hosogi Senaha

Full Text Available Abstract Selective disturbances of semantic memory have attracted the interest of many investigators and the question of the existence of single or multiple semantic systems remains a very controversial theme in the literature. Objectives: To discuss the question of multiple semantic systems based on a longitudinal study of a patient who presented semantic dementia from fluent primary progressive aphasia. Methods: A 66 year-old woman with selective impairment of semantic memory was examined on two occasions, undergoing neuropsychological and language evaluations, the results of which were compared to those of three paired control individuals. Results: In the first evaluation, physical examination was normal and the score on the Mini-Mental State Examination was 26. Language evaluation revealed fluent speech, anomia, disturbance in word comprehension, preservation of the syntactic and phonological aspects of the language, besides surface dyslexia and dysgraphia. Autobiographical and episodic memories were relatively preserved. In semantic memory tests, the following dissociation was found: disturbance of verbal semantic memory with preservation of non-verbal semantic memory. Magnetic resonance of the brain revealed marked atrophy of the left anterior temporal lobe. After 14 months, the difficulties in verbal semantic memory had become more severe and the semantic disturbance, limited initially to the linguistic sphere, had worsened to involve non-verbal domains. Conclusions: Given the dissociation found in the first examination, we believe there is sufficient clinical evidence to refute the existence of a unitary semantic system.

When risk becomes invisible in the everyday life of day care

DEFF Research Database (Denmark)

Villumsen, Anne Marie; Kristensen, Ole Steen

2016-01-01

. When risk become invisible, it not only impedes the mono-professional help the children receive, it also inhibits a crucial multidisciplinary collaborative provision of support to children at risk and their families. The identification of children at risk seems to be based on an unexamined selection...

Invisible Light: a global infotainment community based on augmented reality technologies

Science.gov (United States)

Israel, Kai; Wozniak, Peter; Vauderwange, Oliver; Curticapean, Dan

2015-10-01

Theoretical details about optics and photonics are not common knowledge nowadays. Physicists are keen to scientifically explain `light,' which has a huge impact on our lives. It is necessary to examine it from multiple perspectives and to make the knowledge accessible to the public in an interdisciplinary, scientifically well-grounded and appealing medial way. To allow an information exchange on a global scale, our project "Invisible Light" establishes a worldwide accessible platform. Its contents will not be created by a single instance, but user-generated, with the help of the global community. The article describes the infotainment portal "Invisible Light," which stores scientific articles about light and photonics and makes them accessible worldwide. All articles are tagged with geo-coordinates, so they can be clearly identified and localized. A smartphone application is used for visualization, transmitting the information to users in real time by means of an augmented reality application. Scientific information is made accessible for a broad audience and in an attractive manner.

COMUNICAÇÃO VERBAL E NÃO-VERBAL DE MÃE CEGA DURANTE A HIGIENE CORPORAL DA CRIANÇA

Directory of Open Access Journals (Sweden)

Luana Duarte Wanderley

2010-01-01

Full Text Available La mujer ciega debe recibir orientaciones sobre el cuidado con el bebé. El objetivo fue analizar la comunicación verbal y no verbal de la madre ciega con movilidad limitada con niño y enfermera durante la higiene corporal. Estudio exploratorio, descriptivo, tipo estudio de caso, con análisis cuantitativo realizado en 2009. La comunicación madre/hijo y madre/enfermera fue filmada y analizada por seis jueces. Hubo predominancia de la madre como destinataria con la enfermera y uso de la función emotiva en las verbalizaciones con el niño en la comunicación verbal. Ya en la comunicación no verbal, prevaleció la distancia íntima entre madre/hijo y la personal entre madre/enfermera. La madre demostró miedo al bañar al niño. Se concluye que las distancias establecidas facilitaron la interacción de la madre con el bebé y de ésta con la profesional. Independiente de las dificultades motora y visual, la madre no sufrió daños verbales en el establecimiento de su proceso comunicativo.

Differential patterns of prefrontal MEG activation during verbal & visual encoding and retrieval.

Science.gov (United States)

Prendergast, Garreth; Limbrick-Oldfield, Eve; Ingamells, Ed; Gathercole, Susan; Baddeley, Alan; Green, Gary G R

2013-01-01

The spatiotemporal profile of activation of the prefrontal cortex in verbal and non-verbal recognition memory was examined using magnetoencephalography (MEG). Sixteen neurologically healthy right-handed participants were scanned whilst carrying out a modified version of the Doors and People Test of recognition memory. A pattern of significant prefrontal activity was found for non-verbal and verbal encoding and recognition. During the encoding, verbal stimuli activated an area in the left ventromedial prefrontal cortex, and non-verbal stimuli activated an area in the right. A region in the left dorsolateral prefrontal cortex also showed significant activation during the encoding of non-verbal stimuli. Both verbal and non-verbal stimuli significantly activated an area in the right dorsomedial prefrontal cortex and the right anterior prefrontal cortex during successful recognition, however these areas showed temporally distinct activation dependent on material, with non-verbal showing activation earlier than verbal stimuli. Additionally, non-verbal material activated an area in the left anterior prefrontal cortex during recognition. These findings suggest a material-specific laterality in the ventromedial prefrontal cortex during encoding for verbal and non-verbal but also support the HERA model for verbal material. The discovery of two process dependent areas during recognition that showed patterns of temporal activation dependent on material demonstrates the need for the application of more temporally sensitive techniques to the involvement of the prefrontal cortex in recognition memory.

Shifts of visuospatial attention to invisible (metacontrast-masked) singletons: Clues from reaction times and event-related potential

OpenAIRE

Manfred Heumann; Ulrich Ansorge

2006-01-01

In the current study, we tested whether a masked and, thus, invisible singleton-cue captures atten-tion in a stimulus-driven manner or in a top-down contingent manner. The manual RT (Reaction Time) capture effect with the invisible singleton--cue decreased substantially when a match between the singleton-cue and the top-down controlled set of searched-for target features was also decreased. By contrast, with the PCN (Posterior Contralateral Negativity), an electrophysiological measure of the ...

Argumentation, confrontation et violence verbale fulgurante Argumentative Processes, Confrontation and Acute Verbal Abuse

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Claudine Moïse

2012-04-01

Full Text Available Si nous avons défini la violence verbale fulgurante comme une montée en tension caractérisée par des actes menaçants directs (provocation, menace, insultes… et la violence polémique comme un discours à visée argumentative mobilisant des procédés discursifs indirects (implicites, ironie…, on ne peut considérer ces deux types de discours comme hermétiques. À travers des scènes de violences verbales quotidiennes dans l’espace public et institutionnel (contrôles, convocations, verbalisations…, constituées pour un DVD pédagogique, il s’agit de montrer comment dans des interactions caractérisées par la violence fulgurante, certains procédés argumentatifs particuliers et que nous décrirons, sont utilisés, avec force efficacité, à des fins de déstabilisation et de prise de pouvoir sur l’autre. Our research has defined severe verbal abuse as built up tension characterized by directly threatening acts (such as provocation, threats, insults, and polemical violence as argumentative discourse which mobilizes indirect discursive devices, such as implicit discourse relations and irony. Yet, neither type of discourse can be considered to be impervious to mutual influence. Based on the content of an educational DVD featuring acted out scenes of daily verbal abuse taking place in public and institutional spaces (i.e., checks, summons, fines, we will show how specific argumentative devices, which we will describe, are very efficiently used within interactions that are characterised by severe abuse, with the aim of destabilizing and taking control over somebody.

Invisible Cost Effective Mechanics for Anterior Space Closure.

Science.gov (United States)

Jumle, Aatish Vinod; Bagrecha, Saurabh; Gharat, Ninad; Misal, Abhijit; Toshniwal, N G

2015-01-01

The shifting paradigm towards invisible orthodontic treatment and also awareness in patients has allured their focus towards the most esthetic treatment approach. Also the lingual treatment is proved successful and is very well accepted by the patients. The problem that persist is its high expenses, which is not affordable by all patients. This article is a effort to treat a simple Class I malocclusion with anterior spacing using a simple, esthetic, Cost effective approach with acceptable results when esthetics plays a priority role.

Cognitive Predictors of Verbal Memory in a Mixed Clinical Pediatric Sample

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Shelley C. Heaton

2013-08-01

Full Text Available Verbal memory problems, along with other cognitive difficulties, are common in children diagnosed with neurological and/or psychological disorders. Historically, these “memory problems” have been poorly characterized and often present with a heterogeneous pattern of performance across memory processes, even within a specific diagnostic group. The current study examined archival neuropsychological data from a large mixed clinical pediatric sample in order to understand whether functioning in other cognitive areas (i.e., verbal knowledge, attention, working memory, executive functioning may explain some of the performance variability seen across verbal memory tasks of the Children’s Memory Scale (CMS. Multivariate analyses revealed that among the cognitive functions examined, only verbal knowledge explained a significant amount of variance in overall verbal memory performance. Further univariate analyses examining the component processes of verbal memory indicated that verbal knowledge is specifically related to encoding, but not the retention or retrieval stages. Future research is needed to replicate these findings in other clinical samples, to examine whether verbal knowledge predicts performance on other verbal memory tasks and to explore whether these findings also hold true for visual memory tasks. Successful replication of the current study findings would indicate that interventions targeting verbal encoding deficits should include efforts to improve verbal knowledge.

Condom use: exploring verbal and non-verbal communication strategies among Latino and African American men and women.

Science.gov (United States)

Zukoski, Ann P; Harvey, S Marie; Branch, Meredith

2009-08-01

A growing body of literature provides evidence of a link between communication with sexual partners and safer sexual practices, including condom use. More research is needed that explores the dynamics of condom communication including gender differences in initiation, and types of communication strategies. The overall objective of this study was to explore condom use and the dynamics surrounding condom communication in two distinct community-based samples of African American and Latino heterosexual couples at increased risk for HIV. Based on 122 in-depth interviews, 80% of women and 74% of men reported ever using a condom with their primary partner. Of those who reported ever using a condom with their current partner, the majority indicated that condom use was initiated jointly by men and women. In addition, about one-third of the participants reported that the female partner took the lead and let her male partner know she wanted to use a condom. A sixth of the sample reported that men initiated use. Although over half of the respondents used bilateral verbal strategies (reminding, asking and persuading) to initiate condom use, one-fourth used unilateral verbal strategies (commanding and threatening to withhold sex). A smaller number reported using non-verbal strategies involving condoms themselves (e.g. putting a condom on or getting condoms). The results suggest that interventions designed to improve condom use may need to include both members of a sexual dyad and focus on improving verbal and non-verbal communication skills of individuals and couples.

Le socle d'une œuvre, invisible mais essentiel

OpenAIRE

Huguenin, Daniel

2015-01-01

Tiré du site internet du blog des Musées d'art et d'histoire (http://blog.mahgeneve.ch): "Le support se faisant aujourd'hui le plus discret possible, voire invisible. Sa réalisation nécessite une étroite collaboration entre les différents acteurs d'une exposition car le socleur doit allier les besoins de la conservation et de la muséographie.".

THE WORK PROCESS IN RADIOLOGICAL NURSING: INVISIBILITY OFIONIZING RADIATION

OpenAIRE

Melo,Juliana Almeida Coelho de; Gelbcke,Francine Lima; Huhn,Andrea; Vargas,Mara Ambrosina de Oliveira

2015-01-01

ABSTRACT Qualitative descriptive and exploratory research, performed with 20 nursing professionals working in a general radiology unit and surgery center with the "C-arm" equipment, and the hemodynamics unit of a southern Brazilian teaching hospital. Aim was to analyze the dimensions of the work process for radiological technology nurse professionals. This paper made clear that radiological technologies are outside nursing, which leads to the invisibility of ionizing radiation, leading to ina...

Belief attribution despite verbal interference.

Science.gov (United States)

Forgeot d'Arc, Baudouin; Ramus, Franck

2011-05-01

False-belief (FB) tasks have been widely used to study the ability of individuals to represent the content of their conspecifics' mental states (theory of mind). However, the cognitive processes involved are still poorly understood, and it remains particularly debated whether language and inner speech are necessary for the attribution of beliefs to other agents. We present a completely nonverbal paradigm consisting of silent animated cartoons in five closely related conditions, systematically teasing apart different aspects of scene analysis and allowing the assessment of the attribution of beliefs, goals, and physical causation. In order to test the role of language in belief attribution, we used verbal shadowing as a dual task to inhibit inner speech. Data on 58 healthy adults indicate that verbal interference decreases overall performance, but has no specific effect on belief attribution. Participants remained able to attribute beliefs despite heavy concurrent demands on their verbal abilities. Our results are most consistent with the hypothesis that belief attribution is independent from inner speech.

Verbal Abuse among Students in Ubon Ratchathani Province, Thailand

OpenAIRE

Ayuwat, Tiwawan

2017-01-01

This study aimed to investigate verbal abuse of the students in Ubon Ratchathani Province. The results indicated that the verbal abuse of the students consisted of three aspects: words, intonation, and contents. Based on an overview, verbal abuse behavior was at a low level with the mean at 0.90. When the three aspects were investigated, words were at the highest level with a mean of 1.05, followed with intonation and contents with the mean at 0.96 and 0.78, respectively. Verbal abuse of the ...

Perceptual Discrimination of Basic Object Features Is Not Facilitated When Priming Stimuli Are Prevented From Reaching Awareness by Means of Visual Masking.

Science.gov (United States)

Peel, Hayden J; Sperandio, Irene; Laycock, Robin; Chouinard, Philippe A

2018-01-01

Our understanding of how form, orientation and size are processed within and outside of awareness is limited and requires further investigation. Therefore, we investigated whether or not the visual discrimination of basic object features can be influenced by subliminal processing of stimuli presented beforehand. Visual masking was used to render stimuli perceptually invisible. Three experiments examined if visible and invisible primes could facilitate the subsequent feature discrimination of visible targets. The experiments differed in the kind of perceptual discrimination that participants had to make. Namely, participants were asked to discriminate visual stimuli on the basis of their form, orientation, or size. In all three experiments, we demonstrated reliable priming effects when the primes were visible but not when the primes were made invisible. Our findings underscore the importance of conscious awareness in facilitating the perceptual discrimination of basic object features.

Perceptual Discrimination of Basic Object Features Is Not Facilitated When Priming Stimuli Are Prevented From Reaching Awareness by Means of Visual Masking

Science.gov (United States)

Peel, Hayden J.; Sperandio, Irene; Laycock, Robin; Chouinard, Philippe A.

2018-01-01

Our understanding of how form, orientation and size are processed within and outside of awareness is limited and requires further investigation. Therefore, we investigated whether or not the visual discrimination of basic object features can be influenced by subliminal processing of stimuli presented beforehand. Visual masking was used to render stimuli perceptually invisible. Three experiments examined if visible and invisible primes could facilitate the subsequent feature discrimination of visible targets. The experiments differed in the kind of perceptual discrimination that participants had to make. Namely, participants were asked to discriminate visual stimuli on the basis of their form, orientation, or size. In all three experiments, we demonstrated reliable priming effects when the primes were visible but not when the primes were made invisible. Our findings underscore the importance of conscious awareness in facilitating the perceptual discrimination of basic object features. PMID:29725292

Search behavior in various breeds of adult dogs (Canis familiaris): object permanence and olfactory cues.

Science.gov (United States)

Gagnon, S; Doré, F Y

1992-03-01

Human analog tests of object permanence were administered to various breeds of adult dogs (Canis familiaris). Experiment 1 showed that the performance of terriers, sporting, and working dogs did not differ. Dogs succeeded in solving invisible displacement problems, but performance was lower than in visible displacement tests. Familiarity with the task had some influence because invisible displacement tests were more successful if they were preceded by visible displacement tests. In Experiment 2, odor cues from the target object and the hiding screens were available or were masked. Results confirmed that success was lower in invisible than in visible displacement tests and that these problems were solved on the basis of representation of visual information rather than on the basis of olfactory cues or of local rule learning. Dogs are compared with other species that display Stage 6 object permanence.

MODELO DE COMUNICACIÓN NO VERBAL EN DEPORTE Y BALLET NON-VERBAL COMMUNICATION MODELS IN SPORTS AND BALLET

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Gloria Vallejo

2010-12-01

Full Text Available Este estudio analiza el modelo de comunicación que se genera en los entrenadores de fútbol y de gimnasia artística a nivel profesional, y en los instructores de ballet en modalidad folklórica, tomando como referente el lenguaje corporal dinámico propio de la comunicación especializada de deportistas y bailarines, en la que se evidencia lenguaje no verbal. Este último se estudió tanto en prácticas psicomotrices como sociomotrices, para identificar y caracterizar relaciones entre diferentes conceptos y su correspondiente representación gestual. Los resultados indican que el lenguaje no verbal de los entrenadores e instructores toma ocasionalmente el lugar del lenguaje verbal, cuando este último resulta insuficiente o inapropiado para describir una acción motriz de gran precisión, debido a las condiciones de distancia o de interferencias acústicas. En los instructores de ballet se encontró una forma generalizada de dirigir los ensayos utilizando conteos rítmicos con las palmas o los pies. De igual forma, se destacan los componentes paralingüísticos de los diversos actos de habla, especialmente, en lo que se refiere a entonación, duración e intensidad.This study analyzes the communication model generated among professional soccer trainers, artistic gymnastics trainers, and folkloric ballet instructors, on the basis of the dynamic body language typical of specialized communication among sportspeople and dancers, which includes a high percentage of non-verbal language. Non-verbal language was observed in both psychomotor and sociomotor practices in order to identify and characterize relations between different concepts and their corresponding gestural representation. This made it possible to generate a communication model that takes into account the non-verbal aspects of specialized communicative contexts. The results indicate that the non-verbal language of trainers and instructors occasionally replaces verbal language when the

Differential patterns of prefrontal MEG activation during verbal & visual encoding and retrieval.

Directory of Open Access Journals (Sweden)

Garreth Prendergast

Full Text Available The spatiotemporal profile of activation of the prefrontal cortex in verbal and non-verbal recognition memory was examined using magnetoencephalography (MEG. Sixteen neurologically healthy right-handed participants were scanned whilst carrying out a modified version of the Doors and People Test of recognition memory. A pattern of significant prefrontal activity was found for non-verbal and verbal encoding and recognition. During the encoding, verbal stimuli activated an area in the left ventromedial prefrontal cortex, and non-verbal stimuli activated an area in the right. A region in the left dorsolateral prefrontal cortex also showed significant activation during the encoding of non-verbal stimuli. Both verbal and non-verbal stimuli significantly activated an area in the right dorsomedial prefrontal cortex and the right anterior prefrontal cortex during successful recognition, however these areas showed temporally distinct activation dependent on material, with non-verbal showing activation earlier than verbal stimuli. Additionally, non-verbal material activated an area in the left anterior prefrontal cortex during recognition. These findings suggest a material-specific laterality in the ventromedial prefrontal cortex during encoding for verbal and non-verbal but also support the HERA model for verbal material. The discovery of two process dependent areas during recognition that showed patterns of temporal activation dependent on material demonstrates the need for the application of more temporally sensitive techniques to the involvement of the prefrontal cortex in recognition memory.

Cyber-physical attacks a growing invisible threat

CERN Document Server

Loukas, George

2015-01-01

Cyber-Physical Attacks: A Growing Invisible Threat presents the growing list of harmful uses of computers and their ability to disable cameras, turn off a building's lights, make a car veer off the road,  or a drone land in enemy hands. In essence, it details the ways cyber-physical attacks are replacing physical attacks in crime, warfare, and terrorism. The book explores how attacks using computers affect the physical world in ways that were previously only possible through physical means. Perpetrators can now cause damage without the same risk, and without the political, social, or moral

Measuring Verbal and Non-Verbal Communication in Aphasia: Reliability, Validity, and Sensitivity to Change of the Scenario Test

Science.gov (United States)

van der Meulen, Ineke; van de Sandt-Koenderman, W. Mieke E.; Duivenvoorden, Hugo J.; Ribbers, Gerard M.

2010-01-01

Background: This study explores the psychometric qualities of the Scenario Test, a new test to assess daily-life communication in severe aphasia. The test is innovative in that it: (1) examines the effectiveness of verbal and non-verbal communication; and (2) assesses patients' communication in an interactive setting, with a supportive…

Predictors of nurses' experience of verbal abuse by nurse colleagues.

Science.gov (United States)

Keller, Ronald; Krainovich-Miller, Barbara; Budin, Wendy; Djukic, Maja

Between 45% and 94% of registered nurses (RNs) experience verbal abuse, which is associated with physical and psychological harm. Although several studies examined predictors of RNs' verbal abuse, none examined predictors of RNs' experiences of verbal abuse by RN colleagues. To examine individual, workplace, dispositional, contextual, and interpersonal predictors of RNs' reported experiences of verbal abuse from RN colleagues. In this secondary analysis, a cross-sectional design with multiple linear regression analysis was used to examine the effect of 23 predictors on verbal abuse by RN colleagues in a sample of 1,208 early career RNs. Selected variables in the empirical intragroup conflict model explained 23.8% of variance in RNs' experiences of verbal abuse by RN colleagues. A number of previously unstudied factors were identified that organizational leaders can monitor and develop or modify policies to prevent early career RNs' experiences of verbal abuse by RN colleagues. Copyright © 2017 Elsevier Inc. All rights reserved.

The nature of the verbal self-monitor

NARCIS (Netherlands)

Ganushchak, Aleksandra (Lesya) Yurievna

2008-01-01

This thesis investigated the correlates of verbal self-monitoring in healthy adults. The central questions addressed in the thesis are: Does verbal monitoring work in a similar way as action monitoring? If the Error-Related Negativity (ERN) is associated with error processing in action monitoring,

Membangun Koneksi Matematis Siswa dalam Pemecahan Masalah Verbal

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Nurfaidah Tasni

2017-07-01

Full Text Available [Bahasa]: Penelitian ini mendeskripsikan proses membangun koneksi matematis dalam pemecahan masalah verbal atau soal cerita. Pada proses penyelesaian masalah verbal, diidentifikasi beberapa jenis koneksi yang dibangun siswa. Jenis soal dikembangkan berdasarkan karakteristik koneksi matematis menurut NCTM, yaitu koneksi antar topik matematika, koneksi dengan disiplin ilmu lain, dan koneksi dalam kehidupan sehari-hari. Pengumpulan data dilakukan melalui hasil kerja siswa dan wawancara semi terstruktur terhadap 2 orang subjek yang dipilih dengan tehnik purposive sampling. Penelitian ini mengunkap ada tujuh jenis koneksi yang dibangun oleh siswa pada saat menyelesaikan masalah verbal, yaitu: koneksi pemahaman, koneksi jika maka, koneksi representasi yang setara, koneksi hirarki, koneksi perbandingan melalui bentuk umum, koneksi prosedur, dan koneksi justifikasi dan representasi. Kata kunci:   Koneksi Matematis; Pemecahan Masalah; Soal Verbal [English]: The current research aims to describe the process of developing mathematical connection in solving verbal or word mathematics problems. In solving problems, the mathematical connections developed by the subjects are identified. The mathematics problems refer to the characteristics of mathematical connections by NCTM, i.e. connections within mathematics topics, connection with other fileds, and connections with daily life. Data collection is conducted through students’ work and semi-structure interview with two subjects. The subjects are selected through purposive sampling. This research reveals seven kinds of mathematical connections developed by the subjects in solving verbal mathematics problems, i.e. connection in understanding, if then connection, equal representation connection, hierarchy connection, proportion connection through general form, procedure connection, and justification and representation connection.    Keywords: Mathematical Connection; Problem Solving; Verbal Problems

Verbal aptitude and the use of grammar information in Serbian language

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Lalović Dejan

2006-01-01

Full Text Available The research presented in this paper was an attempt to find differences in the use of grammatical information carried by the function words in Serbian. The aim was to determine the level of word processing at which grammatical information shows its differential effects in groups of subjects who themselves differ in verbal ability. For this purpose, the psycholinguistic tasks applied were grammatically primed reading aloud and grammatically primed grammatical classification with an appropriate control of extra-linguistic factors that may have affected aforementioned tasks. Verbal aptitude was assessed in a psychometric manner, and the subjects were divided into "high verbal" and "low verbal" groups. Taking into account statistical control of extra-linguistic factors, the results indicate that groups of high verbal and low verbal subjects cannot be differentiated based on reading aloud performance. The high verbal subjects, however, were more efficient in grammatical classification than low verbal subjects. The results also indicated that the presence of grammatical information embedded in function words-primes had a stronger effect on word processing in low verbal group. Such pattern of results testify to the advantage of high verbal subjects in lexical and post lexical processing, while no differences were established in the word recognition processes. The implications of these findings were considered in terms of test construction for the assessment of verbal ability in Serbian language. .

The mineralogical phase transformation of invisible gold-concentrate by microwave heating, and enhancement of their gold leaching rate

Science.gov (United States)

Bak, Geonyoung; Kim, Bongju; Choi, Nagchoul; Park*, Cheonyoung

2015-04-01

In this study, in order to obtain the maximum Au leaching rate, an invisible gold concentrate sample was microwave-treated and a thiourea leaching experiment was performed. It is found that gold exists as invisible as a result of observation with an optical microscope and an electron microscope. As the invisible gold concentrate sample was exposed to microwave longer, its temperature and weight loss were increased together and its S content was decreased. The conditions for the maximum Au leaching rate and the fast leaching effect were a particle size of -325×400 mesh, exposure to microwave for 70 minutes, 1.0 g of thiourea, 0.0504 g of sodium sulfite and 0.425 g of ferric sulfate. However, the condition under which Au was leached out to the maximum was applied to the control sample, but its Au leaching rate was just in a range of 78% to 88%. Such results suggest that the effect of sodium sulfite and ferric sulfate was more effective in the microwave-treated sample than in the control sample. Therefore, it was confirmed that the complete and very fast Au leaching can be achieved by means of the microwave pretreatment of invisible gold concentrate.

Diagnostic causal reasoning with verbal information.

Science.gov (United States)

Meder, Björn; Mayrhofer, Ralf

2017-08-01

In diagnostic causal reasoning, the goal is to infer the probability of causes from one or multiple observed effects. Typically, studies investigating such tasks provide subjects with precise quantitative information regarding the strength of the relations between causes and effects or sample data from which the relevant quantities can be learned. By contrast, we sought to examine people's inferences when causal information is communicated through qualitative, rather vague verbal expressions (e.g., "X occasionally causes A"). We conducted three experiments using a sequential diagnostic inference task, where multiple pieces of evidence were obtained one after the other. Quantitative predictions of different probabilistic models were derived using the numerical equivalents of the verbal terms, taken from an unrelated study with different subjects. We present a novel Bayesian model that allows for incorporating the temporal weighting of information in sequential diagnostic reasoning, which can be used to model both primacy and recency effects. On the basis of 19,848 judgments from 292 subjects, we found a remarkably close correspondence between the diagnostic inferences made by subjects who received only verbal information and those of a matched control group to whom information was presented numerically. Whether information was conveyed through verbal terms or numerical estimates, diagnostic judgments closely resembled the posterior probabilities entailed by the causes' prior probabilities and the effects' likelihoods. We observed interindividual differences regarding the temporal weighting of evidence in sequential diagnostic reasoning. Our work provides pathways for investigating judgment and decision making with verbal information within a computational modeling framework. Copyright © 2017 Elsevier Inc. All rights reserved.

Invisible Higgs boson decay with B→Kνν constraint

International Nuclear Information System (INIS)

Kim, C. S.; Park, Seong Chan; Wang Kai; Zhu Guohuai

2010-01-01

If the Higgs boson were the only particle within the LHC accessible range, precision measurement of the Higgs's properties would play a unique role in studying electroweak symmetry breaking as well as possible new physics. We try to use low energy experiments such as rare B decay to constrain a challenging decay mode of Higgs, in which a Higgs decays to a pair of light (≅1∼2 GeV) SM singlet S and becomes invisible. By using the current experimental bound of rare decay B→Kνν and computing the contribution of B→KSS to (the) B→K+Ee, we obtain an upper bound on the Higgs coupling to such light singlet. It is interesting that the partial width of the invisible decay mode h→SS by taking the upper bound value of coupling is at a comparable level with h→WW/ZZ or WW ( * ) decay modes, making the Higgs identifiable but with a different predicted decay branching ratio from [the] standard model Higgs decay. It will then have an impact on precision measurement of the Higgs's properties. We also study the implication for cosmology from such a light singlet and propose a solution to the potential problem.

Effects of proactive interference on non-verbal working memory.

Science.gov (United States)

Cyr, Marilyn; Nee, Derek E; Nelson, Eric; Senger, Thea; Jonides, John; Malapani, Chara

2017-02-01

Working memory (WM) is a cognitive system responsible for actively maintaining and processing relevant information and is central to successful cognition. A process critical to WM is the resolution of proactive interference (PI), which involves suppressing memory intrusions from prior memories that are no longer relevant. Most studies that have examined resistance to PI in a process-pure fashion used verbal material. By contrast, studies using non-verbal material are scarce, and it remains unclear whether the effect of PI is domain-general or whether it applies solely to the verbal domain. The aim of the present study was to examine the effect of PI in visual WM using both objects with high and low nameability. Using a Directed-Forgetting paradigm, we varied discriminability between WM items on two dimensions, one verbal (high-nameability vs. low-nameability objects) and one perceptual (colored vs. gray objects). As in previous studies using verbal material, effects of PI were found with object stimuli, even after controlling for verbal labels being used (i.e., low-nameability condition). We also found that the addition of distinctive features (color, verbal label) increased performance in rejecting intrusion probes, most likely through an increase in discriminability between content-context bindings in WM.

When physics becomes art: Signatures of the invisible lands in Geneva

CERN Document Server

2002-01-01

Signatures of the Invisible, an exhibition that brings together science and art, arrives in Geneva next week. Thanks to CERN and the London Institute, eleven European artists have worked with physicists from the Laboratory and the result of this collaboration will be shown in the Centre d'Art Contemporain until May.

A qualitative study on non-verbal sensitivity in nursing students.

Science.gov (United States)

Chan, Zenobia C Y

2013-07-01

To explore nursing students' perception of the meanings and roles of non-verbal communication and sensitivity. It also attempts to understand how different factors influence their non-verbal communication style. The importance of non-verbal communication in the health arena lies in the need for good communication for efficient healthcare delivery. Understanding nursing students' non-verbal communication with patients and the influential factors is essential to prepare them for field work in the future. Qualitative approach based on 16 in-depth interviews. Sixteen nursing students from the Master of Nursing and the Year 3 Bachelor of Nursing program were interviewed. Major points in the recorded interviews were marked down for content analysis. Three main themes were developed: (1) understanding students' non-verbal communication, which shows how nursing students value and experience non-verbal communication in the nursing context; (2) factors that influence the expression of non-verbal cues, which reveals the effect of patients' demographic background (gender, age, social status and educational level) and participants' characteristics (character, age, voice and appearance); and (3) metaphors of non-verbal communication, which is further divided into four subthemes: providing assistance, individualisation, dropping hints and promoting interaction. Learning about students' non-verbal communication experiences in the clinical setting allowed us to understand their use of non-verbal communication and sensitivity, as well as to understand areas that may need further improvement. The experiences and perceptions revealed by the nursing students could provoke nurses to reconsider the effects of the different factors suggested in this study. The results might also help students and nurses to learn and ponder their missing gap, leading them to rethink, train and pay more attention to their non-verbal communication style and sensitivity. © 2013 John Wiley & Sons Ltd.

Object permanence tests on gibbons (Hylobatidae).

Science.gov (United States)

Fedor, Anna; Skollár, Gabriella; Szerencsy, Nóra; Ujhelyi, Mária

2008-11-01

Ten gibbons of various species (Symphalangus syndactylus, Hylobates lar, Nomascus gabriellae, and Nomascus leucogenys) were tested on object permanence tasks. Three identical wooden boxes, presented in a linear line, were used to hide pieces of food. The authors conducted single visible, single invisible, double invisible, and control displacements, in both random and nonrandom order. During invisible displacements, the experimenter hid the object in her hand before putting it into a box. The performance of gibbons was better than expected by chance in all the tests, except for the randomly ordered double displacement. However, individual analysis of performance showed great variability across subjects, and only 1 gibbon is assumed to have solved single visible and single invisible displacements without recourse to a strategy that the control test eliminated. (PsycINFO Database Record (c) 2008 APA, all rights reserved).

Verbal episodic memory in young hypothyroid patients

Directory of Open Access Journals (Sweden)

Vatsal Priyadarshi Pandey

2017-01-01

Full Text Available Context: Hypothyroidism affects cognitive functions especially memory. However, most of the previous studies have generally evaluated older hypothyroid patients and sample size of these studies varied in terms of age range. Aims: To see whether hypothyroidism affects memory in young patients. Settings and Design: The sample consisted of 11 hypothyroid patients with an age of 18–49 and 8 healthy controls matched on age and education. Subjects and Methods: Verbal episodic memory was assessed using Hindi adaptation of Rey-Auditory Verbal Learning Test. Statistical Analysis Used: An independent t-test was used to see the difference between mean performance of the patient group and healthy control on memory measures. Results: Results indicated nonsignificant difference between verbal episodic memory of patient group and healthy controls. Conclusions: On the basis of these findings, it was concluded that hypothyroidism may not affect younger patients in terms of episodic verbal memory the same way as it does in the older patients.

The mainstreaming of verbally aggressive online political behaviors.

Science.gov (United States)

Cicchirillo, Vincent; Hmielowski, Jay; Hutchens, Myiah

2015-05-01

The purpose of this paper was to investigate the relationship between verbal aggression and uncivil media attention on political flaming. More specifically, this paper examines whether the use of uncivil media programming is associated with the perceived acceptability and intention to engage in aggressive online discussions (i.e., online political flaming) and whether this relationship varies by verbal aggression. The results show that individuals less inclined to engage in aggressive communication tactics (i.e., low in verbal aggression) become more accepting of flaming and show greater intention to flame as their attention to uncivil media increases. By contrast, those with comparatively higher levels of verbal aggression show a decrease in acceptance and intention to flame as their attention to these same media increases.

Postsecondary Education Issues: Visible Questions. Invisible Answers.

Science.gov (United States)

Western Interstate Commission for Higher Education, Boulder, CO. National Center for Higher Education Management Systems.

With some justification, the inability to answer most of the important questions in higher education is due to the lack of necessary information. But careful examination of our many faceted questions suggests that more information may not be the only answer. The National Center for Higher Education Management Systems (NCHEMS) has found other…

Comparing verbal aspect in Slavic and Gothic

NARCIS (Netherlands)

Genis, R.; van der Liet, H.; Norde, M.

2012-01-01

Much has been written and said about Gothic verbal aspect, especially since the publications of Streitberg (1891 a.f.). Opinions have varied and according to some authors there is no such thing as verbal aspect in Gothic. Others maintain there is and both camps have defended their positions

Establishing Vocal Verbalizations in Mute Mongoloid Children.

Science.gov (United States)

Buddenhagen, Ronald G.

Behavior modification as an attack upon the problem of mutism in mongoloid children establishes the basis of the text. Case histories of four children in a state institution present the specific strategy of speech therapy using verbal conditioning. Imitation and attending behavior, verbal chaining, phonetic theory, social reinforcement,…

Music increases frontal EEG coherence during verbal learning.

Science.gov (United States)

Peterson, David A; Thaut, Michael H

2007-02-02

Anecdotal and some empirical evidence suggests that music can enhance learning and memory. However, the mechanisms by which music modulates the neural activity associated with learning and memory remain largely unexplored. We evaluated coherent frontal oscillations in the electroencephalogram (EEG) while subjects were engaged in a modified version of Rey's Auditory Verbal Learning Test (AVLT). Subjects heard either a spoken version of the AVLT or the conventional AVLT word list sung. Learning-related changes in coherence (LRCC) were measured by comparing the EEG during word encoding on correctly recalled trials to the immediately preceding trial on which the same word was not recalled. There were no significant changes in coherence associated with conventional verbal learning. However, musical verbal learning was associated with increased coherence within and between left and right frontal areas in theta, alpha, and gamma frequency bands. It is unlikely that the different patterns of LRCC reflect general performance differences; the groups exhibited similar learning performance. The results suggest that verbal learning with a musical template strengthens coherent oscillations in frontal cortical networks involved in verbal encoding.

Internet invisible y web semántica : ¿el futuro de los sistemas de información en línea?

OpenAIRE

Codina Bonilla, Lluís

2003-01-01

Los cambios en la Web Invisible, cuyas fronteras no dejan de retroceder, y el desarrollo de la web semántica marcarán buena parte del futuro de los sistemas de búsqueda en línea de los próximos años. La Web Invisible es cada vez menos invisible porque, poco a poco, y de una forma u otra, sus contenidos se van incorporando a los motores de búsqueda. La web semántica es la más ambiciosa e importante apuesta tecnológica y científica del W3 Consortium y afectará en gran medida a los desarrollos f...

Verbal and visual divergent thinking in aging.

Science.gov (United States)

Palmiero, Massimiliano; Nori, Raffaella; Piccardi, Laura

2017-04-01

According to the peak and decline model divergent thinking declines at a specific age (in or after middle age). However, if divergent thinking declines steadily in aging still has to be clarified. In order to explore the age-related changes in verbal and visual divergent thinking, in the present study a sample of 159 participants was divided in five age groups: young adults (18-35 years), middle-aged adults (36-55), young old (56-74), old (75-85) and the oldest-old (86-98). Two divergent thinking tasks were administered: the alternative uses for cardboard boxes, aimed at assessing verbal ideational fluency, flexibility and originality; the completion drawing task, aimed at assessing visual ideational fluency, flexibility and originality. Results showed that after peaking in the young adult group (20-35 years) all components of verbal and visual divergent thinking stabilized in the middle-aged adult group (36-55 years) and then started declining in the young old group (56-75). Interestingly, all components were found to be preserved after declining. Yet, verbal and visual divergent thinking were found at the same extent across age groups, with the exception of visual ideational fluency, that was higher in the young old group, the old group and the oldest-old group than verbal ideational fluency. These results support the idea that divergent thinking does not decline steadily in the elderly. Given that older people can preserve to some extent verbal and visual divergent thinking, these findings have important implications for active aging, that is, divergent thinking might be fostered in aging in order to prevent the cognitive decline.

Verbal working memory deficits predict levels of auditory hallucination in first-episode psychosis.

Science.gov (United States)

Gisselgård, Jens; Anda, Liss Gøril; Brønnick, Kolbjørn; Langeveld, Johannes; Ten Velden Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Larsen, Tor Ketil

2014-03-01

Auditory verbal hallucinations are a characteristic symptom in schizophrenia. Recent causal models of auditory verbal hallucinations propose that cognitive mechanisms involving verbal working memory are involved in the genesis of auditory verbal hallucinations. Thus, in the present study, we investigate the hypothesis that verbal working memory is a specific factor behind auditory verbal hallucinations. In the present study, we investigated the association between verbal working memory manipulation (Backward Digit Span and Letter-Number Sequencing) and auditory verbal hallucinations in a population study (N=52) of first episode psychosis. The degree of auditory verbal hallucination as reported in the P3-subscale of the PANSS interview was included as dependent variable using sequential multiple regression, while controlling for age, psychosis symptom severity, executive cognitive functions and simple auditory working memory span. Multiple sequential regression analyses revealed verbal working memory manipulation to be the only significant predictor of verbal hallucination severity. Consistent with cognitive data from auditory verbal hallucinations in healthy individuals, the present results suggest a specific association between auditory verbal hallucinations, and cognitive processes involving the manipulation of phonological representations during a verbal working memory task. Copyright © 2014 Elsevier B.V. All rights reserved.

Normativity in 18th century discourse on speech.

Science.gov (United States)

MacNamee, T

1984-11-01

Eighteenth century phoneticians, such as Dodart, Ferrein, and Hellwag, extended the taxonomy of visible articulatory processes into the realm of the invisible, notably with the exploration of the voicing mechanism. Remedial initiatives were not simply confined to consideration of the outward manifestations of speech and its disorders: The work of Haller, Kuestner, and Morgagni shows an acute awareness of the nervous organization underlying verbal behavior. There was a characteristic preoccupation with mechanical models of speech, which led to the attempts of Kempelen and other investigators to construct actual "speaking machines." Eighteenth century scholars regarded language as not only an innate capacity peculiar to human nature, but also as a bodily habit learned by experience. The function of the orthoepist was to teach the right speech habits, and the upward mobility of the bourgeoisie created a demand for his services.

Recent Research on Emergent Verbal Behavior: Clinical Applications and Future Directions

Science.gov (United States)

Grow, Laura L.; Kodak, Tiffany

2010-01-01

Previous research on the acquisition of verbal behavior in children with developmental disabilities has focused on teaching four primary verbal operants: (1) "mand"; (2) "tact"; (3) "echoic"; and (4) "intraverbal". In Skinner's (1957) analysis of verbal behavior, he stated that each verbal operant is maintained by unique antecedent and consequence…

The present status of the study on the validity of concurrent verbalization

International Nuclear Information System (INIS)

Watanabe, Megumi; Takahashi, Hideaki.

1993-09-01

We reviewed study on the validity of the method of verbal reports. The method of verbal reports gives us detailed information about human cognitive process as compared with observing a sequence of actions, while it is subjected to criticism for the validity as data. Ericsson and Simon proposed a model of verbalization and investigated conditions to keep verbal reports valid. Although a lot of studies quote their model as a base of adopting the method of verbal reports, verification the validity of verbal reports is incomplete because effects of verbalization is not clear. We pointed out that it is necessary to take into consideration kinds of task strategies, effects of trial repetition, effects of task difficulty to examine precisely effects of verbalization. (author)

Working memory still needs verbal rehearsal.

Science.gov (United States)

Lucidi, Annalisa; Langerock, Naomi; Hoareau, Violette; Lemaire, Benoît; Camos, Valérie; Barrouillet, Pierre

2016-02-01

The causal role of verbal rehearsal in working memory has recently been called into question. For example, the SOB-CS (Serial Order in a Box-Complex Span) model assumes that there is no maintenance process for the strengthening of items in working memory, but instead a process of removal of distractors that are involuntarily encoded and create interference with memory items. In the present study, we tested the idea that verbal working memory performance can be accounted for without assuming a causal role of the verbal rehearsal process. We demonstrate in two experiments using a complex span task and a Brown-Peterson paradigm that increasing the number of repetitions of the same distractor (the syllable ba that was read aloud at each of its occurrences on screen) has a detrimental effect on the concurrent maintenance of consonants whereas the maintenance of spatial locations remains unaffected. A detailed analysis of the tasks demonstrates that accounting for this effect within the SOB-CS model requires a series of unwarranted assumptions leading to undesirable further predictions contradicted by available experimental evidence. We argue that the hypothesis of a maintenance mechanism based on verbal rehearsal that is impeded by concurrent articulation still provides the simplest and most compelling account of our results.

Visibly Pushdown Automata

DEFF Research Database (Denmark)

Srba, Jiri

2006-01-01

We investigate the possibility of (bi)simulation-like preorder/equivalence checking on the class of visibly pushdown automata and its natural subclasses visibly BPA (Basic Process Algebra) and visibly one-counter automata. We describe generic methods for proving complexity upper and lower bounds...... for a number of studied preorders and equivalences like simulation, completed simulation, ready simulation, 2-nested simulation preorders/equivalences and bisimulation equivalence. Our main results are that all the mentioned equivalences and preorders are EXPTIME-complete on visibly pushdown automata, PSPACE......-complete on visibly one-counter automata and P-complete on visibly BPA. Our PSPACE lower bound for visibly one-counter automata improves also the previously known DP-hardness results for ordinary one-counter automata and one-counter nets. Finally, we study regularity checking problems for visibly pushdown automata...

The boundary conditions for point transformed electromagnetic invisibility cloaks

International Nuclear Information System (INIS)

Weder, Ricardo

2008-01-01

In this paper we study point transformed electromagnetic invisibility cloaks in transformation media that are obtained by transformation from general anisotropic media. We assume that there are several point transformed electromagnetic cloaks located in different points in space. Our results apply in particular to the first-order invisibility cloaks introduced by Pendry et al and to the high-order invisibility cloaks introduced by Hendi et al and by Cai et al. We identify the appropriate cloaking boundary conditions that the solutions of Maxwell equations have to satisfy at the outside, ∂K + , and at the inside, ∂K - , of the boundary of the cloaked object K in the case where the permittivity and the permeability are bounded below and above in K. Namely, that the tangential components of the electric and the magnetic fields have to vanish at ∂K + -which is always true-and that the normal components of the curl of the electric and the magnetic fields have to vanish at ∂K - . These results are proven requiring that energy be conserved. In the case of one spherical cloak with a spherically stratified K and a radial current at ∂K we verify by an explicit calculation that our cloaking boundary conditions are satisfied and that cloaking of active devices holds, even if the current is at the boundary of the cloaked object. As we prove our results for media that are obtained by transformation from general anisotropic media, our results apply to the cloaking of objects with passive and active devices contained in general anisotropic media, in particular to objects with passive and active devices contained inside general crystals. Our results suggest a method to enhance cloaking in the approximate transformation media that are used in practice. Namely, to coat the boundary of the cloaked object (the inner boundary of the cloak) with a material that imposes the boundary conditions above. As these boundary conditions have to be satisfied for exact transformation

Invisibility cloaks with arbitrary geometries for layered and gradually changing backgrounds

International Nuclear Information System (INIS)

Li, C; Yao, K; Li, F

2009-01-01

Cloaks with arbitrary geometries are proposed which can make objects invisible in inhomogeneous backgrounds. The general and explicit expressions of the complex permittivity and permeability tensors are derived for cloaks embedded in layered and gradually changing media. The inner and the outer boundaries of the cloaks can be non-conformal with arbitrary shapes, which considerably improve the flexibility of the cloak applications. The interactions of electromagnetic waves with irregular cloaks are studied based on numerical simulations. The influences of the cloaked and uncloaked perfect electric conductor (PEC) cylinders upon the scattering fields of the multilayered backgrounds are quantitatively evaluated. The effect of loss on the cloaking performance has also been investigated. It is verified that cloaks with ideal parameters can smoothly deflect and guide the incoming beams to propagate around the shielded regions without disturbing the beams when they return to the inhomogeneous backgrounds. Therefore, the objects in the shielded region can be effectively invisible to the corresponding backgrounds. The performance of lossy cloaks will degrade with comparatively large power reduction of the transmitted beams.

Making the invisible visible - blending data with film, CGI and intuitive apps in environmental education and public engagement

Science.gov (United States)

Kapur, Ravi

2015-04-01

Comprehending the scale of our current environmental challenges and the possible impacts of alternative policy pathways and decisions, is a very human problem, at all levels of society. For everyone from policy negotiators to school children, the invisibility of the processes of environmental change (e.g. the increase of greenhouse gases in the atmosphere), and the timeframes over which impacts are felt, exacerbate the difficulty of both understanding and communicating about the challenge. By unleashing real environmental data and imagery in a form easily usable by educators and non-technical audiences, it is possible to greatly address this problem, whilst also engaging potential new contributors in solution-finding. The combination of real data, innovative data visualisation techniques, film, animation and apps can help to connect with the public, empower teachers and learners, and create new business opportunities. This presentation will look at these opportunities principally through two current case-study initiatives: a) New methods of presenting and enabling access to earth observation data through art, film and apps (including work led by Imperative Space); and b) The use of high-end animation to enable more intuitive understanding of climate change related data (including work led by Carbon Visuals). Through this work, we will consider the importance of 'emotional engagement' and personal impact of environmental imagery and data when presented appropriately. Our aim should be to ensure the next generation of policy and decision-makers have grown up with a routine, embedded, and day-to-day exposure to environmental data and imagery, so that they are equipped with a deep-seated understanding of the majesty, vulnerability and fragility of our environment. Emotional engagement can be derived from clear communication about the context of the imagery and data, but also through high 'production values', the quality of apps and tools, the way in which stories are

When customers exhibit verbal aggression, employees pay cognitive costs.

Science.gov (United States)

Rafaeli, Anat; Erez, Amir; Ravid, Shy; Derfler-Rozin, Rellie; Treister, Dorit Efrat; Scheyer, Ravit

2012-09-01

In 4 experimental studies, we show that customer verbal aggression impaired the cognitive performance of the targets of this aggression. In Study 1, customers' verbal aggression reduced recall of customers' requests. Study 2 extended these findings by showing that customer verbal aggression impaired recognition memory and working memory among employees of a cellular communication provider. In Study 3, the ability to take another's perspective attenuated the negative effects of customer verbal aggression on participants' cognitive performance. Study 4 linked customer verbal aggression to quality of task performance, showing a particularly negative influence of aggressive requests delivered by high-status customers. Together, these studies suggest that the effects of even minor aggression from customers can strongly affect the immediate cognitive performance of customer service employees and reduce their task performance. The implications for research on aggression and for the practice of customer service are discussed.

Verbal behavior: The other reviews

Science.gov (United States)

Knapp, Terry J.

1992-01-01

The extensive attention devoted to Noam Chomsky's review of Verbal Behavior by B.F. Skinner has resulted in a neglect of more than a dozen other rewiews of the work. These are surveyed and found to be positive and congenial in tone, with many of the reviewers advancing his/her own analysis of speech and language. The dominant criticism of the book was its disregard of central or implicit processes and its lack of experimental data. An examination of the receptive history of Verbal Behavior offers a more balanced historical account than those which rely excessively on Chomsky's commentary PMID:22477049

Dissociating verbal and nonverbal audiovisual object processing.

Science.gov (United States)

Hocking, Julia; Price, Cathy J

2009-02-01

This fMRI study investigates how audiovisual integration differs for verbal stimuli that can be matched at a phonological level and nonverbal stimuli that can be matched at a semantic level. Subjects were presented simultaneously with one visual and one auditory stimulus and were instructed to decide whether these stimuli referred to the same object or not. Verbal stimuli were simultaneously presented spoken and written object names, and nonverbal stimuli were photographs of objects simultaneously presented with naturally occurring object sounds. Stimulus differences were controlled by including two further conditions that paired photographs of objects with spoken words and object sounds with written words. Verbal matching, relative to all other conditions, increased activation in a region of the left superior temporal sulcus that has previously been associated with phonological processing. Nonverbal matching, relative to all other conditions, increased activation in a right fusiform region that has previously been associated with structural and conceptual object processing. Thus, we demonstrate how brain activation for audiovisual integration depends on the verbal content of the stimuli, even when stimulus and task processing differences are controlled.

Prosody Predicts Contest Outcome in Non-Verbal Dialogs.

Science.gov (United States)

Dreiss, Amélie N; Chatelain, Philippe G; Roulin, Alexandre; Richner, Heinz

2016-01-01

Non-verbal communication has important implications for inter-individual relationships and negotiation success. However, to what extent humans can spontaneously use rhythm and prosody as a sole communication tool is largely unknown. We analysed human ability to resolve a conflict without verbal dialogs, independently of semantics. We invited pairs of subjects to communicate non-verbally using whistle sounds. Along with the production of more whistles, participants unwittingly used a subtle prosodic feature to compete over a resource (ice-cream scoops). Winners can be identified by their propensity to accentuate the first whistles blown when replying to their partner, compared to the following whistles. Naive listeners correctly identified this prosodic feature as a key determinant of which whistler won the interaction. These results suggest that in the absence of other communication channels, individuals spontaneously use a subtle variation of sound accentuation (prosody), instead of merely producing exuberant sounds, to impose themselves in a conflict of interest. We discuss the biological and cultural bases of this ability and their link with verbal communication. Our results highlight the human ability to use non-verbal communication in a negotiation process.

Confronting Invisibility: Early Childhood Pre-Service Teachers' Beliefs toward Homeless Children

Science.gov (United States)

Kim, Jinhee

2013-01-01

Children make up half of the homeless population in the US, and of those, almost 50 percent are under age six. Homeless children face many different challenges in school. These children and their families have been invisible in school due to the indifference and stereotypes about them. This article focuses on early childhood pre-service teachers'…

Erroneous verbalizations and risk taking at video lotteries.

Science.gov (United States)

Caron, Anne; Ladouceur, Robert

2003-05-01

This study examined the effect of erroneous perceptions verbalized by a game accomplice on participants' gambling. The sample consisted of 22 men and 10 women, aged 18 and older, who did not show excessive gambling problems, but who had played video lotteries at least once during the last 6 months. The participants were randomly assigned into one of three groups, where they gambled in the presence of an accomplice who verbalized three types of perceptions: (1) the accomplice emitted erroneous thoughts about gambling, (2) the accomplice verbalized adequate thoughts about gambling, or (3) the accomplice did not speak. Results showed that players exposed to an accomplice's erroneous verbalizations took significantly more risks than players in the other two groups. Erroneous perceptions appear to be easily transmissible and have impacts on gambling behaviour. The practical and theoretical implications of these results are discussed.

Patterned direct-write and screen-printing of NIR-to-visible upconverting inks for security applications.

Science.gov (United States)

Blumenthal, Tyler; Meruga, Jeevan; Stanley May, P; Kellar, Jon; Cross, William; Ankireddy, Krishnamraju; Vunnam, Swathi; Luu, Quocanh N

2012-05-11

Two methods of direct-write printing for producing highly resolved features of a polymer impregnated with luminescent upconversion phosphors for security applications are presented. The printed polymer structures range in shape from features to text. The thin polymer features were deposited by direct-write printing of atomized material as well as by screen-printing techniques. These films contain highly luminescent lanthanide-doped, rare-earth nanocrystals, β-NaYF₄:3%Er, 17%Yb, which are capped with oleic acid. This capping agent allows the nanocrystals to disperse throughout the films for full detailing of printed features. Upconversion of deposited features was obtained using a 980 nm wavelength laser with emission of upconverted light in the visible region at both 540 and 660 nm. Features were deposited onto high bond paper, Kapton®, and glass to demonstrate possible covert and forensic security printing applications, as they are printed in various features and invisible to 'naked-eye' viewing at low concentrations of nanocrystals.

Patterned direct-write and screen-printing of NIR-to-visible upconverting inks for security applications

International Nuclear Information System (INIS)

Blumenthal, Tyler; Meruga, Jeevan; Kellar, Jon; Cross, William; Ankireddy, Krishnamraju; Vunnam, Swathi; Stanley May, P; Luu, QuocAnh N

2012-01-01

Two methods of direct-write printing for producing highly resolved features of a polymer impregnated with luminescent upconversion phosphors for security applications are presented. The printed polymer structures range in shape from features to text. The thin polymer features were deposited by direct-write printing of atomized material as well as by screen-printing techniques. These films contain highly luminescent lanthanide-doped, rare-earth nanocrystals, β-NaYF 4 :3%Er, 17%Yb, which are capped with oleic acid. This capping agent allows the nanocrystals to disperse throughout the films for full detailing of printed features. Upconversion of deposited features was obtained using a 980 nm wavelength laser with emission of upconverted light in the visible region at both 540 and 660 nm. Features were deposited onto high bond paper, Kapton ® , and glass to demonstrate possible covert and forensic security printing applications, as they are printed in various features and invisible to ‘naked-eye’ viewing at low concentrations of nanocrystals. (paper)

Patterned direct-write and screen-printing of NIR-to-visible upconverting inks for security applications

Science.gov (United States)

Blumenthal, Tyler; Meruga, Jeevan; May, P. Stanley; Kellar, Jon; Cross, William; Ankireddy, Krishnamraju; Vunnam, Swathi; Luu, QuocAnh N.

2012-05-01

Two methods of direct-write printing for producing highly resolved features of a polymer impregnated with luminescent upconversion phosphors for security applications are presented. The printed polymer structures range in shape from features to text. The thin polymer features were deposited by direct-write printing of atomized material as well as by screen-printing techniques. These films contain highly luminescent lanthanide-doped, rare-earth nanocrystals, β-NaYF4:3%Er, 17%Yb, which are capped with oleic acid. This capping agent allows the nanocrystals to disperse throughout the films for full detailing of printed features. Upconversion of deposited features was obtained using a 980 nm wavelength laser with emission of upconverted light in the visible region at both 540 and 660 nm. Features were deposited onto high bond paper, Kapton®, and glass to demonstrate possible covert and forensic security printing applications, as they are printed in various features and invisible to ‘naked-eye’ viewing at low concentrations of nanocrystals.

Non-verbal communication barriers when dealing with Saudi sellers

Directory of Open Access Journals (Sweden)

Yosra Missaoui

2015-12-01

Full Text Available Communication has a major impact on how customers perceive sellers and their organizations. Especially, the non-verbal communication such as body language, appearance, facial expressions, gestures, proximity, posture, eye contact that can influence positively or negatively the first impression of customers and their experiences in stores. Salespeople in many countries, especially the developing ones, are just telling about their companies’ products because they are unaware of the real role of sellers and the importance of non-verbal communication. In Saudi Arabia, the seller profession has been exclusively for foreign labor until 2006. It is very recently that Saudi workforce enters to the retailing sector as sellers. The non-verbal communication of those sellers has never been evaluated from consumer’s point of view. Therefore, the aim of this paper is to explore the non-verbal communication barriers that customers are facing when dealing with Saudi sellers. After discussing the non-verbal communication skills that sellers must have in the light of the previous academic research and the depth interviews with seven focus groups of Saudi customers, this study found that the Saudi customers were not totally satisfied with the current non-verbal communication skills of Saudi sellers. Therefore, it is strongly recommended to develop the non-verbal communication skills of Saudi sellers by intensive trainings, to distinguish more the appearance of their sellers, especially the female ones, to focus on the time of intervention as well as the proximity to customers.

Patients' perceptions of GP non-verbal communication: a qualitative study.

Science.gov (United States)

Marcinowicz, Ludmila; Konstantynowicz, Jerzy; Godlewski, Cezary

2010-02-01

During doctor-patient interactions, many messages are transmitted without words, through non-verbal communication. To elucidate the types of non-verbal behaviours perceived by patients interacting with family GPs and to determine which cues are perceived most frequently. In-depth interviews with patients of family GPs. Nine family practices in different regions of Poland. At each practice site, interviews were performed with four patients who were scheduled consecutively to see their family doctor. Twenty-four of 36 studied patients spontaneously perceived non-verbal behaviours of the family GP during patient-doctor encounters. They reported a total of 48 non-verbal cues. The most frequent features were tone of voice, eye contact, and facial expressions. Less frequent were examination room characteristics, touch, interpersonal distance, GP clothing, gestures, and posture. Non-verbal communication is an important factor by which patients spontaneously describe and evaluate their interactions with a GP. Family GPs should be trained to better understand and monitor their own non-verbal behaviours towards patients.

NEGOSIASI PENERJEMAHAN VERBAL - VISUAL DESAIN GRAFIS

OpenAIRE

Moeljadi Pranata

2000-01-01

Design is commonly regarded as an act of individual creation to which both verbalization and logical analysis are only peripherally relevant. This article reviews a research study about talking design by Tomes et al (1998) which involving graphic designers and their clients. The conclusion is that talking design -- verbal and visual -- is the design itself. Comments from a design-major student give more light to the research s outputs. Abstract in Bahasa Indonesia : Desain umumnya dipandang s...

How verbal memory loads consume attention

OpenAIRE

Chen, Zhijian; Cowan, Nelson

2009-01-01

According to a traditional assumption about working memory, participants retain a series of verbal items for immediate recall using covert verbal rehearsal, without much need for attention. We reassessed this assumption by imposing a speeded, nonverbal choice reaction time (CRT) task following the presentation of each digit in a list to be recalled. When the memory load surpassed a few items, performance on the speeded CRT task became increasingly impaired. This CRT task impairment depended o...

Revealing the Invisible Hand: The Role of Teachers in Children's Peer Experiences

Science.gov (United States)

Farmer, Thomas W.; Lines, Meghan McAuliffe; Hamm, Jill V.

2011-01-01

To introduce this special issue, the concept of the teacher as an ''invisible hand'' is presented as a metaphor to describe the potentially influential but relatively understudied contribution that educators are likely to have on children's peer relationships and their broader interpersonal growth. Building from conceptual work distinguishing…

Normal-range verbal-declarative memory in schizophrenia.

Science.gov (United States)

Heinrichs, R Walter; Parlar, Melissa; Pinnock, Farena

2017-10-01

Cognitive impairment is prevalent and related to functional outcome in schizophrenia, but a significant minority of the patient population overlaps with healthy controls on many performance measures, including declarative-verbal-memory tasks. In this study, we assessed the validity, clinical, and functional implications of normal-range (NR), verbal-declarative memory in schizophrenia. Performance normality was defined using normative data for 8 basic California Verbal Learning Test (CVLT-II; Delis, Kramer, Kaplan, & Ober, 2000) recall and recognition trials. Schizophrenia patients (n = 155) and healthy control participants (n = 74) were assessed for performance normality, defined as scores within 1 SD of the normative mean on all 8 trials, and assigned to normal- and below-NR memory groups. NR schizophrenia patients (n = 26) and control participants (n = 51) did not differ in general verbal ability, on a reading-based estimate of premorbid ability, across all 8 CVLT-II-score comparisons or in terms of intrusion and false-positive errors and auditory working memory. NR memory patients did not differ from memory-impaired patients (n = 129) in symptom severity, and both patient groups were significantly and similarly disabled in terms of functional status in the community. These results confirm a subpopulation of schizophrenia patients with normal, verbal-declarative-memory performance and no evidence of decline from higher premorbid ability levels. However, NR patients did not experience less severe psychopathology, nor did they show advantage in community adjustment relative to impaired patients. (PsycINFO Database Record (c) 2017 APA, all rights reserved).

Musical and verbal semantic memory: two distinct neural networks?

Science.gov (United States)

Groussard, M; Viader, F; Hubert, V; Landeau, B; Abbas, A; Desgranges, B; Eustache, F; Platel, H

2010-02-01

Semantic memory has been investigated in numerous neuroimaging and clinical studies, most of which have used verbal or visual, but only very seldom, musical material. Clinical studies have suggested that there is a relative neural independence between verbal and musical semantic memory. In the present study, "musical semantic memory" is defined as memory for "well-known" melodies without any knowledge of the spatial or temporal circumstances of learning, while "verbal semantic memory" corresponds to general knowledge about concepts, again without any knowledge of the spatial or temporal circumstances of learning. Our aim was to compare the neural substrates of musical and verbal semantic memory by administering the same type of task in each modality. We used high-resolution PET H(2)O(15) to observe 11 young subjects performing two main tasks: (1) a musical semantic memory task, where the subjects heard the first part of familiar melodies and had to decide whether the second part they heard matched the first, and (2) a verbal semantic memory task with the same design, but where the material consisted of well-known expressions or proverbs. The musical semantic memory condition activated the superior temporal area and inferior and middle frontal areas in the left hemisphere and the inferior frontal area in the right hemisphere. The verbal semantic memory condition activated the middle temporal region in the left hemisphere and the cerebellum in the right hemisphere. We found that the verbal and musical semantic processes activated a common network extending throughout the left temporal neocortex. In addition, there was a material-dependent topographical preference within this network, with predominantly anterior activation during musical tasks and predominantly posterior activation during semantic verbal tasks. Copyright (c) 2009 Elsevier Inc. All rights reserved.

Design and analysis of the trapeziform and flat acoustic cloaks with controllable invisibility performance in a quasi-space

Directory of Open Access Journals (Sweden)

Jian Zhu

2015-07-01

Full Text Available We present the design, implementation and detailed performance analysis for a class of trapeziform and flat acoustic cloaks. An effective large invisible area is obtained compared with the traditional carpet cloak. The cloaks are realized with homogeneous metamaterials which are made of periodic arrangements of subwavelength unit cells composed of steel embedded in air. The microstructures and its effective parameters of the cloaks are determined quickly and precisely in a broadband frequency range by using the effective medium theory and the proposed parameters optimization method. The invisibility capability of the cloaks can be controlled by the variation of the key design parameters and scale factor which are proved to have more influence on the performance in the near field than that in the far field. Different designs are suitable for different application situations. Good cloaking performance demonstrates that such a device can be physically realized with natural materials which will greatly promote the real applications of invisibility cloak.

Illusory body ownership of an invisible body interpolated between virtual hands and feet via visual-motor synchronicity.

Science.gov (United States)

Kondo, Ryota; Sugimoto, Maki; Minamizawa, Kouta; Hoshi, Takayuki; Inami, Masahiko; Kitazaki, Michiteru

2018-05-15

Body ownership can be modulated through illusory visual-tactile integration or visual-motor synchronicity/contingency. Recently, it has been reported that illusory ownership of an invisible body can be induced by illusory visual-tactile integration from a first-person view. We aimed to test whether a similar illusory ownership of the invisible body could be induced by the active method of visual-motor synchronicity and if the illusory invisible body could be experienced in front of and facing away from the observer. Participants observed left and right white gloves and socks in front of them, at a distance of 2 m, in a virtual room through a head-mounted display. The white gloves and socks were synchronized with the observers' actions. In the experiments, we tested the effect of synchronization, and compared this to a whole-body avatar, measuring self-localization drift. We observed that visual hands and feet were sufficient to induce illusory body ownership, and this effect was as strong as using a whole-body avatar.

Factors Influencing the Accuracy of Verbal Reports of Conversational Behavior.

Science.gov (United States)

Benoit, William L.; Benoit, Pamela J.

1989-01-01

Investigates (1) whether subjects consult their memory or relevant implicit theories when making verbal reports, and (2) the effect of recognition criterion on verbal report performance. Finds that subjects occasionally employ implicit theories to develop their verbal reports, but that memory is much more important in determining the reports. (MM)

Getting the Message Across; Non-Verbal Communication in the Classroom.

Science.gov (United States)

Levy, Jack

This handbook presents selected theories, activities, and resources which can be utilized by educators in the area of non-verbal communication. Particular attention is given to the use of non-verbal communication in a cross-cultural context. Categories of non-verbal communication such as proxemics, haptics, kinesics, smiling, sound, clothing, and…

The heterogeneity of verbal short-term memory impairment in aphasia.

Science.gov (United States)

Majerus, Steve; Attout, Lucie; Artielle, Marie-Amélie; Van der Kaa, Marie-Anne

2015-10-01

Verbal short-term memory (STM) impairment represents a frequent and long-lasting deficit in aphasia, and it will prevent patients from recovering fully functional language abilities. The aim of this study was to obtain a more precise understanding of the nature of verbal STM impairment in aphasia, by determining whether verbal STM impairment is merely a consequence of underlying language impairment, as suggested by linguistic accounts of verbal STM, or whether verbal STM impairment reflects an additional, specific deficit. We investigated this question by contrasting item-based STM measures, supposed to depend strongly upon language activation, and order-based STM measures, supposed to reflect the operation of specific, serial order maintenance mechanisms, in a sample of patients with single-word processing deficits at the phonological and/or lexical level. A group-level analysis showed robust impairment for both item and serial order STM aspects in the aphasic group relative to an age-matched control group. An analysis of individual profiles revealed an important heterogeneity of verbal STM profiles, with patients presenting either selective item STM deficits, selective order STM deficits, generalized item and serial order STM deficits or no significant STM impairment. Item but not serial order STM impairment correlated with the severity of phonological impairment. These results disconfirm a strong version of the linguistic account of verbal STM impairment in aphasia, by showing variable impairment to both item and serial order processing aspects of verbal STM. Copyright © 2015 Elsevier Ltd. All rights reserved.

Using neuroplasticity-based auditory training to improve verbal memory in schizophrenia.

Science.gov (United States)

Fisher, Melissa; Holland, Christine; Merzenich, Michael M; Vinogradov, Sophia

2009-07-01

Impaired verbal memory in schizophrenia is a key rate-limiting factor for functional outcome, does not respond to currently available medications, and shows only modest improvement after conventional behavioral remediation. The authors investigated an innovative approach to the remediation of verbal memory in schizophrenia, based on principles derived from the basic neuroscience of learning-induced neuroplasticity. The authors report interim findings in this ongoing study. Fifty-five clinically stable schizophrenia subjects were randomly assigned to either 50 hours of computerized auditory training or a control condition using computer games. Those receiving auditory training engaged in daily computerized exercises that placed implicit, increasing demands on auditory perception through progressively more difficult auditory-verbal working memory and verbal learning tasks. Relative to the control group, subjects who received active training showed significant gains in global cognition, verbal working memory, and verbal learning and memory. They also showed reliable and significant improvement in auditory psychophysical performance; this improvement was significantly correlated with gains in verbal working memory and global cognition. Intensive training in early auditory processes and auditory-verbal learning results in substantial gains in verbal cognitive processes relevant to psychosocial functioning in schizophrenia. These gains may be due to a training method that addresses the early perceptual impairments in the illness, that exploits intact mechanisms of repetitive practice in schizophrenia, and that uses an intensive, adaptive training approach.

Search for Invisibly Decaying Higgs Bosons with Large Decay Width Using the OPAL Detector at LEP

CERN Document Server

Abbiendi, G.; Akesson, P.F.; Alexander, G.; Anagnostu, G.; Anderson, K.J.; Asai, S.; Axen, D.; Bailey, I.; Barberio, E.; Bailari, T.; Barlow, R.J.; Batly, R.J.; Bechtle, P.; Behnke, T.; Bell, Kenneth Watson; Bell, P.J.; Bella, G.; Bellerive, A.; Benelli, G.; Bethke, S.; Biebel, O.; Boeriu, O.; Bock, P.; Boutemeur, M.; Braibant, S.; Brown, Robert M.; Burckhart, H.J.; Campana, S.; Capiluppi, P.; Carnegie, R.K.; Carter, A.A.; Carter, J.R.; Chang, C.Y.; Charlton, D.G.; Ciocca, C.; Csilling, A.; Cuffiani, M.; Dado, S.; De Roeck, A.; De Wolf, E.A.; Desch, K.; Dienes, B.; Dubbert, J.; Duchovni, E.; Duckeck, G.; Duerdoth, I.P.; Etzion, E.; Fabbri, F.; Ferrari, P.; Fiedler, F.; Fleck, I.; Ford, M.; Frey, A.; Gagnon, P.; Gary, John William; Geich-Gimbel, C.; Giacomelli, G.; Giacomelli, P.; Giunta, Marina; Goldberg, J.; Gross, E.; Grunhaus, J.; Gruwe, M.; Gupta, A.; Hajdu, C.; Hamann, M.; Hanson, G.G.; Harel, A.; Hauschild, M.; Hawkes, C.M.; Hawkings, R.; Herten, G.; Heuer, R.D.; Hill, J.C.; Horvath, D.; Igo-Kemenes, P.; Ishii, K.; Jeremie, H.; Jovanovic, P.; Junk, T.R.; Kanzaki, J.; Karlen, D.; Kawagoe, K.; Kawamoto, T.; Keeler, R.K.; Kellogg, R.G.; Kennedy, B.W.; Kluth, S.; Kobayashi, T.; Kobel, M.; Komamiya, S.; Kramer, T.; Krasznahorkay, A., Jr.; Krieger, P.; von Krogh, J.; Kuhl, T.; Kupper, M.; Lafferty, G.D.; Landsman, H.; Lanske, D.; Lellouch, D.; Letts, J.; Levinson, L.; Lillich, J.; Lloyd, S.L.; Loebinger, F.K.; Lu, J.; Ludwig, A.; Ludwig, J.; Mader, W.; Marcellini, S.; Martin, A.J.; Mashimo, T.; Mattig, Peter; McKenna, J.; McPherson, R.A.; Meijers, F.; Menges, W.; Merritt, F.S.; Mes, H.; Meyer, N.; Michelini, A.; Mihara, S.; Mikenberg, G.; Miller, D.J.; Mohr, W.; Mori, T.; Mutter, A.; Nagai, K.; Nakamura, I.; Nanjo, H.; Neal, H.A.; Nisius, R.; O'Neale, S.W.; Oh, A.; Oreglia, M.J.; Orito, S.; Pahl, C.; Pasztor, G.; Pilcher, J.E.; Pinfold, J.; Plane, D.E.; Pooth, O.; Przybycien, M.; Quadt, A.; Rabertz, K.; Rembser, C.; Renkel, P.; Roney, J.M.; Rossi, A.M.; Rozen, Y.; Runge, K.; Sachs, K.; Saeki, T.; Sarkisyan, E.K.G.; Schaile, A.D.; Schaile, O.; Scharff-Hansen, P.; Schieck, J.; Schorner-Sadenius, T.; Schroder, M.; Schumacher, M.; Seuster, R.; Shears, T.G.; shen, B.C.; sherwood, P.; Skuja, A.; Smith, A.M.; Sobie, R.; Soldner-Rembold, S.; Stahl, A.; Strom, David M.; Strohmer, R.; Tarem, S.; Tasevsky, M.; Teuscher, R.; Thomson, M.A.; Torrence, E.; Toya, D.; Tran, P.; Trigger, I.; Trocsanyi, Z.; Tsur, E.; Turner-Watson, M.F.; Ueda, I.; Ujvari, B.; Vollmer, C.F.; Vannerem, P.; Vertesi, R.; Verzocchi, M.; Voss, H.; Vossebeld, J.; Ward, C.P.; Ward, D.R.; Watkins, P.M.; Watson, A.T.; Watson, N.K.; Wells, P.S.; Wengler, T.; Wermes, N.; Wilson, G.W.; Wilson, J.A.; Wolf, G.; Wyatt, T.R.; Yamashita, S.; Zer-Zion, D.; Zivkovic, Lidija

2007-01-01

This paper describes a topological search for an invisibly decaying Higgs boson,H, produced via the Bjorken process (e+e- -> HZ). The analysis is based on data recorded using the OPAL detector at LEP at centre-of-mass energies from 183 to 209 GeV corresponding to a total integrated luminosity of 629pb-1. In the analysis only hadronic decays of the Z boson are considered. A scan over Higgs boson masses from 1 to 120 GeV and decay widths from 1 to 3000 GeV revealed no indication for a signal in the data. From a likelihood ratio of expected signal and Standard Model background we determine upper limits on cross-section times branching ratio to an invisible final state. For moderate Higgs boson decay widths, these range from about 0.07pb Mh = 60GeV) to 0.57pb (Mh = 114GeV). For decay widths above 200GeV the upper limits are of the order of 0.15pb. The results can be interpreted in general scenarios predicting a large invisible decay width of the Higgs boson. As an example we interpret the results in the so-called...

Gender differences in verbal learning in older participants

NARCIS (Netherlands)

Hogervorst, E.; Rahardjo, T.B.; Brayne, C.; Henderson, W.; Jolles, J.

2012-01-01

Gender differences in cognitive function may diminish with age. We investigated gender and gender-by-age interactions in relation to verbal learning. Cross-sectional data were available from seven cohorts. Meta-analyses indicated that overall verbal learning favored women. Performance declined with

Invisible marking system by extreme ultraviolet radiation: the new frontier for anti-counterfeiting tags

International Nuclear Information System (INIS)

Lazzaro, P. Di; Bollanti, S.; Flora, F.; Mezi, L.; Murra, D.; Torre, A.; Bonfigli, F.; Montereali, R.M.; Vincenti, M.A.

2016-01-01

We present a marking technology which uses extreme ultraviolet radiation to write invisible patterns on tags based on alkali fluoride thin films. The shape of the pattern is pre-determined by a mask (in the case of contact lithography) or by a suitable mirror (projection lithography). Tags marked using this method offer a much better protection against fakes than currently available anti-counterfeiting techniques. The complexity and cost of this technology can be tailored to the value of the good to be protected, leaving, on the other hand, the specific reading technique straightforward. So far, we have exploited our invisible marking to tag artworks, identity cards, electrical components, and containers of radioactive wastes. Advantages and limits of this technology are discussed in comparison with the anti-counterfeiting systems available in the market.

Event-governed and verbally-governed behavior

OpenAIRE

Vargas, Ernest A.

1988-01-01

A number of statements prescribe behavior: apothegms, maxims, proverbs, instructions, and so on. These differing guides to conduct present varieties of the dictionary definition of “rules.” The term “rules” thus defines a category of language usage. Such a term, and its derivative, “rule-governed,” does not address a controlling relation in the analysis of verbal behavior. The prevailing confounding of a category of language with a category of verbal behavior appears related to a lack of unde...

Pushing Boundaries while Maintaining Stability

DEFF Research Database (Denmark)

Lippke, Lena; Wegener, Charlotte

at the same time. The exploration of transforming practices shows how disturbances in relation to the ‘normal’ practices are created and thus makes invisible conventions which are taken for granted visible. Thus, this paper addresses two types of invisibility: the unnoticed boundary-pushing practices...

Toward a functional analysis of private verbal self-regulation.

OpenAIRE

Taylor, I; O'Reilly, M F

1997-01-01

We developed a methodology, derived from the theoretical literatures on rule-governed behavior and private events, to experimentally investigate the relationship between covert verbal self-regulation and nonverbal behavior. The methodology was designed to assess whether (a) nonverbal behavior was under the control of covert rules and (b) verbal reports of these rules were functionally equivalent to the covert rules that control non-verbal behavior. The research was conducted in the context of...

Verbal learning changes in older adults across 18 months.

Science.gov (United States)

Zimprich, Daniel; Rast, Philippe

2009-07-01

The major aim of this study was to investigate individual changes in verbal learning across a period of 18 months. Individual differences in verbal learning have largely been neglected in the last years and, even more so, individual differences in change in verbal learning. The sample for this study comes from the Zurich Longitudinal Study on Cognitive Aging (ZULU; Zimprich et al., 2008a) and comprised 336 older adults in the age range of 65-80 years at first measurement occasion. In order to address change in verbal learning we used a latent change model of structured latent growth curves to account for the non-linearity of the verbal learning data. The individual learning trajectories were captured by a hyperbolic function which yielded three psychologically distinct parameters: initial performance, learning rate, and asymptotic performance. We found that average performance increased with respect to initial performance, but not in learning rate or in asymptotic performance. Further, variances and covariances remained stable across both measurement occasions, indicating that the amount of individual differences in the three parameters remained stable, as did the relationships among them. Moreover, older adults differed reliably in their amount of change in initial performance and asymptotic performance. Eventually, changes in asymptotic performance and learning rate were strongly negatively correlated. It thus appears as if change in verbal learning in old age is a constrained process: an increase in total learning capacity implies that it takes longer to learn. Together, these results point to the significance of individual differences in change of verbal learning in the elderly.

The Invisible Web: Uncovering Information Sources Search Engines Can't See.

Science.gov (United States)

Sherman, Chris; Price, Gary

This book takes a detailed look at the nature and extent of the Invisible Web, and offers pathfinders for accessing the valuable information it contains. It is designed to fit the needs of both novice and advanced Web searchers. Chapter One traces the development of the Internet and many of the early tools used to locate and share information via…

Black’s Survival Strategy: Tricksterism in Ralph Ellison’s Invisible Man

Directory of Open Access Journals (Sweden)

Meiling Fu

2017-01-01

Full Text Available This paper is intended to investigate tricksterism in Ralph Waldo Ellison’s Invisible Man. Through analyzing the successful tricksters and the unsuccessful tricksters, this research concludes that tricksterism is a survival strategy in the society of white supremacy, and black people have to wear the mask and trick the white people for the cause of eliminating racial discrimination.

Why Information Literacy Is Invisible

Directory of Open Access Journals (Sweden)

William Badke

2011-03-01

Full Text Available Despite the many information literacy programs on higher education campuses, the literature of information literacy and the concept of information literacy as a viable academic subject remain hidden to most professors and academic administrators. Information literacy is invisible to academia because it is misunderstood, academic administrators have not put it on their institutions' agendas, the literature of information literacy remains in the library silo, there is a false belief that information literacy is acquired only by experience, there is a false assumption that technological ability is the same as information literacy, faculty culture makes information literacy less significant than other educational pursuits, faculty have a limited perception of the ability of librarians. and accrediting bodies have not yet advanced information literacy to a viable position in higher education. The new information age demands that these barriers be overcome and information literacy take a prominent place within the academic experience.

Accounting for the Invisible Work of Hospital Orderlies

DEFF Research Database (Denmark)

Stisen, Allan; Verdezoto, Nervo; Blunck, Henrik

2016-01-01

the coordination changes in orderlies’ work practices in connection to the implementation of a workflow application at the hospital. By applying a mixed methods approach (both qualitative and quantitative studies), this paper calls for attention to the changes in orderlies’ coordination activities while moving......The cooperative, invisible non-clinical work of hospital orderlies is often overlooked. It consists foremost of transferring patients between hospital departments. As the overall efficiency of the hospital is highly dependent on the coordination of the work of orderlies, this study investigates...... coordination. We also present design recommendations for future design of coordination tools to support orderlies’ work practices....

Homogenous isotropic invisible cloak based on geometrical optics.

Science.gov (United States)

Sun, Jingbo; Zhou, Ji; Kang, Lei

2008-10-27

Invisible cloak derived from the coordinate transformation requires its constitutive material to be anisotropic. In this work, we present a cloak of graded-index isotropic material based on the geometrical optics theory. The cloak is realized by concentric multilayered structure with designed refractive index to achieve the low-scattering and smooth power-flow. Full-wave simulations on such a design of a cylindrical cloak are performed to demonstrate the cloaking ability to incident wave of any polarization. Using normal nature material with isotropy and low absorption, the cloak shows light on a practical path to stealth technology, especially that in the optical range.

A test of object permanence in a new-world monkey species, cotton top tamarins (Saguinus oedipus).

Science.gov (United States)

Neiworth, Julie J; Steinmark, Eric; Basile, Benjamin M; Wonders, Ryann; Steely, Frances; DeHart, Catherine

2003-03-01

Cotton top tamarins were tested in visible and invisible displacement tasks in a method similar to that used elsewhere to test squirrel monkeys and orangutans. All subjects performed at levels significantly above chance on visible ( n=8) and invisible ( n=7) displacements, wherein the tasks included tests of the perseverance error, tests of memory in double and triple displacements, and "catch" trials that tested for the use of the experimenter's hand as a cue for the correct cup. Performance on all nine tasks was significantly higher than chance level selection of cups, and tasks using visible displacements generated more accurate performance than tasks using invisible displacements. Performance was not accounted for by a practice effect based on exposure to successive tasks. Results suggest that tamarins possess stage 6 object permanence capabilities, and that in a situation involving brief exposure to tasks and foraging opportunities, tracking objects' movements and responding more flexibly are abilities expressed readily by the tamarins.

The invisible accounting side of ERP systems

Directory of Open Access Journals (Sweden)

Iliyan Dimitrov

2017-12-01

Full Text Available ERP (Enterprise Resource planning systems are widely used in many organizations, including companies in Bulgaria. Depending of the point of view statistical results of their implementation in recent years are contradictory (Infostat, 2017, (Eurostat, 2017. This paper reveals an overview of researchers and practitioners’ interpretations, who express opinion for an essence and advantages of adopting ERP systems. In academic and professional discussions one potential benefit stays invisible. The purpose of this publication is to provide new sight of essence and potential benefits which are given with ERP implementation. Some advantages of ERP systems are discussed. Some aspects of the links between ERP systems, management accounting and financial accounting are described.

Search for invisibly decaying Higgs bosons in $e^{+}e^{-} \\rightarrow Z^{0}h^{0}$ production at $\\sqrt{s} = 183 - 209 GeV$

CERN Document Server

Abbiendi, G.; Akesson, P.F.; Alexander, G.; Anagnostou, G.; Anderson, K.J.; Asai, S.; Axen, D.; Bailey, I.; Barberio, E.; Barillari, T.; Barlow, R.J.; Batley, R.J.; Bechtle, P.; Behnke, T.; Bell, K.W.; Bell, P.J.; Bella, G.; Bellerive, A.; Benelli, G.; Bethke, S.; Biebel, O.; Boeriu, O.; Bock, P.; Boutemeur, M.; Braibant, S.; Brown, R.M.; Burckhart, H.J.; Campana, S.; Capiluppi, P.; Carnegie, R.K.; Carter, A.A.; Carter, J.R.; Chang, C.Y.; Charlton, D.G.; Ciocca, C.; Csilling, A.; Cuffiani, M.; Dado, S.; De Roeck, A.; De Wolf, E.A.; Desch, K.; Dienes, B.; Dubbert, J.; Duchovni, E.; Duckeck, G.; Duerdoth, I.P.; Etzion, E.; Fabbri, F.; Ferrari, P.; Fiedler, F.; Fleck, I.; Ford, M.; Frey, A.; Gagnon, P.; Gary, J.W.; Geich-Gimbel, C.; Giacomelli, G.; Giacomelli, P.; Giunta, M.; Goldberg, J.; Gross, E.; Grunhaus, J.; Gruwe, M.; Gupta, A.; Hajdu, C.; Hamann, M.; Hanson, G.G.; Harel, A.; Hauschild, M.; Hawkes, C.M.; Hawkings, R.; Herten, G.; Heuer, R.D.; Hill, J.C.; Horvath, D.; Igo-Kemenes, P.; Ishii, K.; Jeremie, H.; Jovanovic, P.; Junk, T.R.; Kanzaki, J.; Karlen, D.; Kawagoe, K.; Kawamoto, T.; Keeler, R.K.; Kellogg, R.G.; Kennedy, B.W.; Kluth, S.; Kobayashi, T.; Kobel, M.; Komamiya, S.; Kramer, T.; Krasznahorkay, A., Jr.; Krieger, P.; von Krogh, J.; Kuhl, T.; Kupper, M.; Lafferty, G.D.; Landsman, H.; Lanske, D.; Lellouch, D.; Letts, J.; Levinson, L.; Lillich, J.; Lloyd, S.L.; Loebinger, F.K.; Lu, J.; Ludwig, A.; Ludwig, J.; Mader, W.; Marcellini, S.; Martin, A.J.; Mashimo, T.; Mattig, P.; McKenna, J.; McPherson, R.A.; Meijers, F.; Menges, W.; Merritt, F.S.; Mes, H.; Meyer, N.; Michelini, A.; Mihara, S.; Mikenberg, G.; Miller, D.J.; Mohr, W.; Mori, T.; Mutter, A.; Nagai, K.; Nakamura, I.; Nanjo, H.; Neal, H.A.; O'Neale, S.W.; Oh, A.; Oreglia, M.J.; Orito, S.; Pahl, C.; Pasztor, G.; Pater, J.R.; Pilcher, J.E.; Pinfold, J.; Plane, D.E.; Pooth, O.; Przybycien, M.; Quadt, A.; Rabbertz, K.; Rembser, C.; Renkel, P.; Roney, J.M.; Rossi, A.M.; Rozen, Y.; Runge, K.; Sachs, K.; Saeki, T.; Sarkisyan, E.K.G.; Schaile, A.D.; Schaile, O.; Scharff-Hansen, P.; Schieck, J.; Schorner-Sadenius, T.; Schroder, M.; Schumacher, M.; Seuster, R.; Shears, T.G.; Shen, B.C.; Sherwood, P.; Skuja, A.; Smith, A.M.; Sobie, R.; Soldner-Rembold, S.; Spano, F.; Stahl, A.; Strom, D.; Strohmer, R.; Tarem, S.; Tasevsky, M.; Teuscher, R.; Thomson, M.A.; Torrence, E.; Toya, D.; Trigger, I.; Trocsanyi, Z.; Tsur, E.; Turner-Watson, M.F.; Ueda, I.; Ujvari, B.; Vollmer, C.F.; Vannerem, P.; Vertesi, R.; Verzocchi, M.; Voss, H.; Vossebeld, J.; Ward, C.P.; Ward, D.R.; Watkins, P.M.; Watson, A.T.; Watson, N.K.; Wells, P.S.; Wengler, T.; Wermes, N.; Wilson, G.W.; Wilson, J.A.; Wolf, G.; Wyatt, T.R.; Yamashita, S.; Zer-Zion, D.; Zivkovic, L.

2010-01-01

A search is performed for Higgs bosons decaying into invisible final states, produced in association with a Zo boson in e+e- collisions at energies between 183 and 209 GeV. The search is based on data samples collected by the OPAL detector at LEP corresponding to an integrated luminosity of about 660 pb-1. The analysis aims to select events containing the hadronic decay products of the Zo boson and large missing momentum, as expected from Higgs boson decay into a pair of stable weakly interacting neutral particles, such as the lightest neutralino in the Minimal Supersymmetric Standard Model. The same analysis is applied to a search for nearly invisible Higgs boson cascade decays into stable weakly interacting neutral particles. No excess over the expected background from Standard Model processes is observed. Limits on the production of invisibly decaying Higgs bosons produced in association with a Zo boson are derived. Assuming a branching ratio BR(ho->invisible)=1, a lower limit of 108.2 GeV is placed on the...

Mathematics as verbal behavior.

Science.gov (United States)

Marr, M Jackson

2015-04-01

"Behavior which is effective only through the mediation of other persons has so many distinguishing dynamic and topographical properties that a special treatment is justified and indeed demanded" (Skinner, 1957, p. 2). Skinner's demand for a special treatment of verbal behavior can be extended within that field to domains such as music, poetry, drama, and the topic of this paper: mathematics. For centuries, mathematics has been of special concern to philosophers who have continually argued to the present day about what some deem its "special nature." Two interrelated principal questions have been: (1) Are the subjects of mathematical interest pre-existing in some transcendental realm and thus are "discovered" as one might discover a new planet; and (2) Why is mathematics so effective in the practices of science and engineering even though originally such mathematics was "pure" with applications neither contemplated or even desired? I argue that considering the actual practice of mathematics in its history and in the context of acquired verbal behavior one can address at least some of its apparent mysteries. To this end, I discuss some of the structural and functional features of mathematics including verbal operants, rule-and contingency-modulated behavior, relational frames, the shaping of abstraction, and the development of intuition. How is it possible to understand Nature by properly talking about it? Essentially, it is because nature taught us how to talk. Copyright © 2015 Elsevier B.V. All rights reserved.

Invisible axion in the hidden sector of no-scale supergravity

International Nuclear Information System (INIS)

Sato, Hikaru

1987-01-01

We propose a new axion model which incorporates the U(1) PQ symmetry into a hidden sector, as well as an observable sector, of no-scale supergravity models. The axion is a spin-zero field in the hidden sector. The U(1) PQ symmetry is naturally embedded in the family symmetry of the no-scale models. Invisible axions live in the gravity hidden sector without conflict with the cosmological and astrophysical constraints. (orig.)

Invisible work of using and monitoring knowledge by parents (end-users) of children with chronic conditions.

Science.gov (United States)

Lagosky, Stephanie; Bartlett, Doreen; Shaw, Lynn

2016-01-01

Parents who care for young children with chronic conditions are knowledge users. Their efforts, time, and energy to source, consider and monitor information add to the 'invisible' work of parents in making decisions about care, school transitions, and interventions. Little is known or understood about the work of parents as knowledge users. To understand the knowledge use patterns and how these patterns may be monitored in parents caring for their young children with cerebral palsy (CP). An embedded case study methodology was used. In-depth qualitative interviews and visual mapping were employed to collect and analyze data based on the experiences of three mothers of young children with CP. Knowledge use in parents caring for their young children with CP is multi-factorial, complex and temporal. Findings resulted in a provisional model elaborating on the ways knowledge is used by parents and how it may be monitored. The visual mapping of pathways and actions of parents as end users makes the processes of knowledge use more visible and open to be valued as well as appreciated by others. The provisional model has implications for knowledge mobilization as a strategy in childhood rehabilitation and the facilitation of knowledge use in the lives of families with children with chronic health conditions.

Searches for invisible decays of the Higgs boson in pp collisions at √s=7, 8, and 13 TeV

Energy Technology Data Exchange (ETDEWEB)

Khachatryan, V.; Sirunyan, A.M.; Tumasyan, A. [Yerevan Physics Institute, Yerevan (Armenia); Adam, W. [Institut für Hochenergiephysik, Wien (Austria); Collaboration: The CMS collaboration; and others

2017-02-28

Searches for invisible decays of the Higgs boson are presented. The data collected with the CMS detector at the LHC correspond to integrated luminosities of 5.1, 19.7, and 2.3 fb{sup −1} at centre-of-mass energies of 7, 8, and 13 TeV, respectively. The search channels target Higgs boson production via gluon fusion, vector boson fusion, and in association with a vector boson. Upper limits are placed on the branching fraction of the Higgs boson decay to invisible particles, as a function of the assumed production cross sections. The combination of all channels, assuming standard model production, yields an observed (expected) upper limit on the invisible branching fraction of 0.24 (0.23) at the 95% confidence level. The results are also interpreted in the context of Higgs-portal dark matter models.

Searches for invisible decays of the Higgs boson in pp collisions at $\\sqrt{s}= $ 7, 8, and 13 TeV

CERN Document Server

Khachatryan, Vardan; Tumasyan, Armen; Adam, Wolfgang; Aşılar, Ece; Bergauer, Thomas; Brandstetter, Johannes; Brondolin, Erica; Dragicevic, Marko; Erö, Janos; Flechl, Martin; Friedl, Markus; Fruehwirth, Rudolf; Ghete, Vasile Mihai; Hartl, Christian; Hörmann, Natascha; Hrubec, Josef; Jeitler, Manfred; König, Axel; Krätschmer, Ilse; Liko, Dietrich; Matsushita, Takashi; Mikulec, Ivan; Rabady, Dinyar; Rad, Navid; Rahbaran, Babak; Rohringer, Herbert; Schieck, Jochen; Strauss, Josef; Waltenberger, Wolfgang; Wulz, Claudia-Elisabeth; Dvornikov, Oleg; Makarenko, Vladimir; Zykunov, Vladimir; Mossolov, Vladimir; Shumeiko, Nikolai; Suarez Gonzalez, Juan; Alderweireldt, Sara; De Wolf, Eddi A; Janssen, Xavier; Lauwers, Jasper; Van De Klundert, Merijn; Van Haevermaet, Hans; Van Mechelen, Pierre; Van Remortel, Nick; Van Spilbeeck, Alex; Abu Zeid, Shimaa; Blekman, Freya; D'Hondt, Jorgen; Daci, Nadir; De Bruyn, Isabelle; Deroover, Kevin; Lowette, Steven; Moortgat, Seth; Moreels, Lieselotte; Olbrechts, Annik; Python, Quentin; Tavernier, Stefaan; Van Doninck, Walter; Van Mulders, Petra; Van Parijs, Isis; Brun, Hugues; Clerbaux, Barbara; De Lentdecker, Gilles; Delannoy, Hugo; Fasanella, Giuseppe; Favart, Laurent; Goldouzian, Reza; Grebenyuk, Anastasia; Karapostoli, Georgia; Lenzi, Thomas; Léonard, Alexandre; Luetic, Jelena; Maerschalk, Thierry; Marinov, Andrey; Randle-conde, Aidan; Seva, Tomislav; Vander Velde, Catherine; Vanlaer, Pascal; Yonamine, Ryo; Zenoni, Florian; Zhang, Fengwangdong; Cimmino, Anna; Cornelis, Tom; Dobur, Didar; Fagot, Alexis; Garcia, Guillaume; Gul, Muhammad; Khvastunov, Illia; Poyraz, Deniz; Salva Diblen, Sinem; Schöfbeck, Robert; Sharma, Archana; Tytgat, Michael; Van Driessche, Ward; Yazgan, Efe; Zaganidis, Nicolas; Bakhshiansohi, Hamed; Beluffi, Camille; Bondu, Olivier; Brochet, Sébastien; Bruno, Giacomo; Caudron, Adrien; De Visscher, Simon; Delaere, Christophe; Delcourt, Martin; Francois, Brieuc; Giammanco, Andrea; Jafari, Abideh; Jez, Pavel; Komm, Matthias; Lemaitre, Vincent; Magitteri, Alessio; Mertens, Alexandre; Musich, Marco; Nuttens, Claude; Piotrzkowski, Krzysztof; Quertenmont, Loic; Selvaggi, Michele; Vidal Marono, Miguel; Wertz, Sébastien; Beliy, Nikita; Aldá Júnior, Walter Luiz; Alves, Fábio Lúcio; Alves, Gilvan; Brito, Lucas; Hensel, Carsten; Moraes, Arthur; Pol, Maria Elena; Rebello Teles, Patricia; Belchior Batista Das Chagas, Ewerton; Carvalho, Wagner; Chinellato, Jose; Custódio, Analu; Melo Da Costa, Eliza; Da Silveira, Gustavo Gil; De Jesus Damiao, Dilson; De Oliveira Martins, Carley; Fonseca De Souza, Sandro; Huertas Guativa, Lina Milena; Malbouisson, Helena; Matos Figueiredo, Diego; Mora Herrera, Clemencia; Mundim, Luiz; Nogima, Helio; Prado Da Silva, Wanda Lucia; Santoro, Alberto; Sznajder, Andre; Tonelli Manganote, Edmilson José; Vilela Pereira, Antonio; Ahuja, Sudha; Bernardes, Cesar Augusto; Dogra, Sunil; Tomei, Thiago; De Moraes Gregores, Eduardo; Mercadante, Pedro G; Moon, Chang-Seong; Novaes, Sergio F; Padula, Sandra; Romero Abad, David; Ruiz Vargas, José Cupertino; Aleksandrov, Aleksandar; Hadjiiska, Roumyana; Iaydjiev, Plamen; Rodozov, Mircho; Stoykova, Stefka; Sultanov, Georgi; Vutova, Mariana; Dimitrov, Anton; Glushkov, Ivan; Litov, Leander; Pavlov, Borislav; Petkov, Peicho; Fang, Wenxing; Ahmad, Muhammad; Bian, Jian-Guo; Chen, Guo-Ming; Chen, He-Sheng; Chen, Mingshui; Chen, Ye; Cheng, Tongguang; Jiang, Chun-Hua; Leggat, Duncan; Liu, Zhenan; Romeo, Francesco; Shaheen, Sarmad Masood; Spiezia, Aniello; Tao, Junquan; Wang, Chunjie; Wang, Zheng; Zhang, Huaqiao; Zhao, Jingzhou; Ban, Yong; Chen, Geng; Li, Qiang; Liu, Shuai; Mao, Yajun; Qian, Si-Jin; Wang, Dayong; Xu, Zijun; Avila, Carlos; Cabrera, Andrés; Chaparro Sierra, Luisa Fernanda; Florez, Carlos; Gomez, Juan Pablo; González Hernández, Carlos Felipe; Ruiz Alvarez, José David; Sanabria, Juan Carlos; Godinovic, Nikola; Lelas, Damir; Puljak, Ivica; Ribeiro Cipriano, Pedro M; Sculac, Toni; Antunovic, Zeljko; Kovac, Marko; Brigljevic, Vuko; Ferencek, Dinko; Kadija, Kreso; Micanovic, Sasa; Sudic, Lucija; Susa, Tatjana; Attikis, Alexandros; Mavromanolakis, Georgios; Mousa, Jehad; Nicolaou, Charalambos; Ptochos, Fotios; Razis, Panos A; Rykaczewski, Hans; Tsiakkouri, Demetra; Finger, Miroslav; Finger Jr, Michael; Carrera Jarrin, Edgar; Assran, Yasser; Elkafrawy, Tamer; Mahrous, Ayman; Calpas, Betty; Kadastik, Mario; Murumaa, Marion; Perrini, Lucia; Raidal, Martti; Tiko, Andres; Veelken, Christian; Eerola, Paula; Pekkanen, Juska; Voutilainen, Mikko; Härkönen, Jaakko; Jarvinen, Terhi; Karimäki, Veikko; Kinnunen, Ritva; Lampén, Tapio; Lassila-Perini, Kati; Lehti, Sami; Lindén, Tomas; Luukka, Panja-Riina; Tuominiemi, Jorma; Tuovinen, Esa; Wendland, Lauri; Talvitie, Joonas; Tuuva, Tuure; Besancon, Marc; Couderc, Fabrice; Dejardin, Marc; Denegri, Daniel; Fabbro, Bernard; Faure, Jean-Louis; Favaro, Carlotta; Ferri, Federico; Ganjour, Serguei; Ghosh, Saranya; Givernaud, Alain; Gras, Philippe; Hamel de Monchenault, Gautier; Jarry, Patrick; Kucher, Inna; Locci, Elizabeth; Machet, Martina; Malcles, Julie; Rander, John; Rosowsky, André; Titov, Maksym; Zghiche, Amina; Abdulsalam, Abdulla; Antropov, Iurii; Baffioni, Stephanie; Beaudette, Florian; Busson, Philippe; Cadamuro, Luca; Chapon, Emilien; Charlot, Claude; Davignon, Olivier; Granier de Cassagnac, Raphael; Jo, Mihee; Lisniak, Stanislav; Miné, Philippe; Nguyen, Matthew; Ochando, Christophe; Ortona, Giacomo; Paganini, Pascal; Pigard, Philipp; Regnard, Simon; Salerno, Roberto; Sirois, Yves; Strebler, Thomas; Yilmaz, Yetkin; Zabi, Alexandre; Agram, Jean-Laurent; Andrea, Jeremy; Aubin, Alexandre; Bloch, Daniel; Brom, Jean-Marie; Buttignol, Michael; Chabert, Eric Christian; Chanon, Nicolas; Collard, Caroline; Conte, Eric; Coubez, Xavier; Fontaine, Jean-Charles; Gelé, Denis; Goerlach, Ulrich; Le Bihan, Anne-Catherine; Skovpen, Kirill; Van Hove, Pierre; Gadrat, Sébastien; Beauceron, Stephanie; Bernet, Colin; Boudoul, Gaelle; Bouvier, Elvire; Carrillo Montoya, Camilo Andres; Chierici, Roberto; Contardo, Didier; Courbon, Benoit; Depasse, Pierre; El Mamouni, Houmani; Fan, Jiawei; Fay, Jean; Gascon, Susan; Gouzevitch, Maxime; Grenier, Gérald; Ille, Bernard; Lagarde, Francois; Laktineh, Imad Baptiste; Lethuillier, Morgan; Mirabito, Laurent; Pequegnot, Anne-Laure; Perries, Stephane; Popov, Andrey; Sabes, David; Sordini, Viola; Vander Donckt, Muriel; Verdier, Patrice; Viret, Sébastien; Toriashvili, Tengizi; Tsamalaidze, Zviad; Autermann, Christian; Beranek, Sarah; Feld, Lutz; Heister, Arno; Kiesel, Maximilian Knut; Klein, Katja; Lipinski, Martin; Ostapchuk, Andrey; Preuten, Marius; Raupach, Frank; Schael, Stefan; Schomakers, Christian; Schulz, Johannes; Verlage, Tobias; Weber, Hendrik; Albert, Andreas; Brodski, Michael; Dietz-Laursonn, Erik; Duchardt, Deborah; Endres, Matthias; Erdmann, Martin; Erdweg, Sören; Esch, Thomas; Fischer, Robert; Güth, Andreas; Hamer, Matthias; Hebbeker, Thomas; Heidemann, Carsten; Hoepfner, Kerstin; Knutzen, Simon; Merschmeyer, Markus; Meyer, Arnd; Millet, Philipp; Mukherjee, Swagata; Olschewski, Mark; Padeken, Klaas; Pook, Tobias; Radziej, Markus; Reithler, Hans; Rieger, Marcel; Scheuch, Florian; Sonnenschein, Lars; Teyssier, Daniel; Thüer, Sebastian; Cherepanov, Vladimir; Flügge, Günter; Hoehle, Felix; Kargoll, Bastian; Kress, Thomas; Künsken, Andreas; Lingemann, Joschka; Müller, Thomas; Nehrkorn, Alexander; Nowack, Andreas; Nugent, Ian Michael; Pistone, Claudia; Pooth, Oliver; Stahl, Achim; Aldaya Martin, Maria; Arndt, Till; Asawatangtrakuldee, Chayanit; Beernaert, Kelly; Behnke, Olaf; Behrens, Ulf; Bin Anuar, Afiq Aizuddin; Borras, Kerstin; Campbell, Alan; Connor, Patrick; Contreras-Campana, Christian; Costanza, Francesco; Diez Pardos, Carmen; Dolinska, Ganna; Eckerlin, Guenter; Eckstein, Doris; Eichhorn, Thomas; Eren, Engin; Gallo, Elisabetta; Garay Garcia, Jasone; Geiser, Achim; Gizhko, Andrii; Grados Luyando, Juan Manuel; Gunnellini, Paolo; Harb, Ali; Hauk, Johannes; Hempel, Maria; Jung, Hannes; Kalogeropoulos, Alexis; Karacheban, Olena; Kasemann, Matthias; Keaveney, James; Kleinwort, Claus; Korol, Ievgen; Krücker, Dirk; Lange, Wolfgang; Lelek, Aleksandra; Leonard, Jessica; Lipka, Katerina; Lobanov, Artur; Lohmann, Wolfgang; Mankel, Rainer; Melzer-Pellmann, Isabell-Alissandra; Meyer, Andreas Bernhard; Mittag, Gregor; Mnich, Joachim; Mussgiller, Andreas; Ntomari, Eleni; Pitzl, Daniel; Placakyte, Ringaile; Raspereza, Alexei; Roland, Benoit; Sahin, Mehmet Özgür; Saxena, Pooja; Schoerner-Sadenius, Thomas; Seitz, Claudia; Spannagel, Simon; Stefaniuk, Nazar; Van Onsem, Gerrit Patrick; Walsh, Roberval; Wissing, Christoph; Blobel, Volker; Centis Vignali, Matteo; Draeger, Arne-Rasmus; Dreyer, Torben; Garutti, Erika; Gonzalez, Daniel; Haller, Johannes; Hoffmann, Malte; Junkes, Alexandra; Klanner, Robert; Kogler, Roman; Kovalchuk, Nataliia; Lapsien, Tobias; Lenz, Teresa; Marchesini, Ivan; Marconi, Daniele; Meyer, Mareike; Niedziela, Marek; Nowatschin, Dominik; Pantaleo, Felice; Peiffer, Thomas; Perieanu, Adrian; Poehlsen, Jennifer; Sander, Christian; Scharf, Christian; Schleper, Peter; Schmidt, Alexander; Schumann, Svenja; Schwandt, Joern; Stadie, Hartmut; Steinbrück, Georg; Stober, Fred-Markus Helmut; Stöver, Marc; Tholen, Heiner; Troendle, Daniel; Usai, Emanuele; Vanelderen, Lukas; Vanhoefer, Annika; Vormwald, Benedikt; Akbiyik, Melike; Barth, Christian; Baur, Sebastian; Baus, Colin; Berger, Joram; Butz, Erik; Caspart, René; Chwalek, Thorsten; Colombo, Fabio; De Boer, Wim; Dierlamm, Alexander; Fink, Simon; Freund, Benedikt; Friese, Raphael; Giffels, Manuel; Gilbert, Andrew; Goldenzweig, Pablo; Haitz, Dominik; Hartmann, Frank; Heindl, Stefan Michael; Husemann, Ulrich; Katkov, Igor; Kudella, Simon; Lobelle Pardo, Patricia; Mildner, Hannes; Mozer, Matthias Ulrich; Müller, Thomas; Plagge, Michael; Quast, Gunter; Rabbertz, Klaus; Röcker, Steffen; Roscher, Frank; Schröder, Matthias; Shvetsov, Ivan; Sieber, Georg; Simonis, Hans-Jürgen; Ulrich, Ralf; Wagner-Kuhr, Jeannine; Wayand, Stefan; Weber, Marc; Weiler, Thomas; Williamson, Shawn; Wöhrmann, Clemens; Wolf, Roger; Anagnostou, Georgios; Daskalakis, Georgios; Geralis, Theodoros; Giakoumopoulou, Viktoria Athina; Kyriakis, Aristotelis; Loukas, Demetrios; Topsis-Giotis, Iasonas; Kesisoglou, Stilianos; Panagiotou, Apostolos; Saoulidou, Niki; Tziaferi, Eirini; Evangelou, Ioannis; Flouris, Giannis; Foudas, Costas; Kokkas, Panagiotis; Loukas, Nikitas; Manthos, Nikolaos; Papadopoulos, Ioannis; Paradas, Evangelos; Filipovic, Nicolas; Bencze, Gyorgy; Hajdu, Csaba; Hidas, Pàl; Horvath, Dezso; Sikler, Ferenc; Veszpremi, Viktor; Vesztergombi, Gyorgy; Zsigmond, Anna Julia; Beni, Noemi; Czellar, Sandor; Karancsi, János; Makovec, Alajos; Molnar, Jozsef; Szillasi, Zoltan; Bartók, Márton; Raics, Peter; Trocsanyi, Zoltan Laszlo; Ujvari, Balazs; Bahinipati, Seema; Choudhury, Somnath; Mal, Prolay; Mandal, Koushik; Nayak, Aruna; Sahoo, Deepak Kumar; Sahoo, Niladribihari; Swain, Sanjay Kumar; Bansal, Sunil; Beri, Suman Bala; Bhatnagar, Vipin; Chawla, Ridhi; Bhawandeep, Bhawandeep; Kalsi, Amandeep Kaur; Kaur, Anterpreet; Kaur, Manjit; Kumar, Ramandeep; Kumari, Priyanka; Mehta, Ankita; Mittal, Monika; Singh, Jasbir; Walia, Genius; Kumar, Ashok; Bhardwaj, Ashutosh; Choudhary, Brajesh C; Garg, Rocky Bala; Keshri, Sumit; Malhotra, Shivali; Naimuddin, Md; Nishu, Nishu; Ranjan, Kirti; Sharma, Ramkrishna; Sharma, Varun; Bhattacharya, Rajarshi; Bhattacharya, Satyaki; Chatterjee, Kalyanmoy; Dey, Sourav; Dutt, Suneel; Dutta, Suchandra; Ghosh, Shamik; Majumdar, Nayana; Modak, Atanu; Mondal, Kuntal; Mukhopadhyay, Supratik; Nandan, Saswati; Purohit, Arnab; Roy, Ashim; Roy, Debarati; Roy Chowdhury, Suvankar; Sarkar, Subir; Sharan, Manoj; Thakur, Shalini; Behera, Prafulla Kumar; Chudasama, Ruchi; Dutta, Dipanwita; Jha, Vishwajeet; Kumar, Vineet; Mohanty, Ajit Kumar; Netrakanti, Pawan Kumar; Pant, Lalit Mohan; Shukla, Prashant; Topkar, Anita; Aziz, Tariq; Dugad, Shashikant; Kole, Gouranga; Mahakud, Bibhuprasad; Mitra, Soureek; Mohanty, Gagan Bihari; Parida, Bibhuti; Sur, Nairit; Sutar, Bajrang; Banerjee, Sudeshna; Bhowmik, Sandeep; Dewanjee, Ram Krishna; Ganguly, Sanmay; Guchait, Monoranjan; Jain, Sandhya; Kumar, Sanjeev; Maity, Manas; Majumder, Gobinda; Mazumdar, Kajari; Sarkar, Tanmay; Wickramage, Nadeesha; Chauhan, Shubhanshu; Dube, Sourabh; Hegde, Vinay; Kapoor, Anshul; Kothekar, Kunal; Rane, Aditee; Sharma, Seema; Behnamian, Hadi; Chenarani, Shirin; Eskandari Tadavani, Esmaeel; Etesami, Seyed Mohsen; Fahim, Ali; Khakzad, Mohsen; Mohammadi Najafabadi, Mojtaba; Naseri, Mohsen; Paktinat Mehdiabadi, Saeid; Rezaei Hosseinabadi, Ferdos; Safarzadeh, Batool; Zeinali, Maryam; Felcini, Marta; Grunewald, Martin; Abbrescia, Marcello; Calabria, Cesare; Caputo, Claudio; Colaleo, Anna; Creanza, Donato; Cristella, Leonardo; De Filippis, Nicola; De Palma, Mauro; Fiore, Luigi; Iaselli, Giuseppe; Maggi, Giorgio; Maggi, Marcello; Miniello, Giorgia; My, Salvatore; Nuzzo, Salvatore; Pompili, Alexis; Pugliese, Gabriella; Radogna, Raffaella; Ranieri, Antonio; Selvaggi, Giovanna; Silvestris, Lucia; Venditti, Rosamaria; Verwilligen, Piet; Abbiendi, Giovanni; Battilana, Carlo; Bonacorsi, Daniele; Braibant-Giacomelli, Sylvie; Brigliadori, Luca; Campanini, Renato; Capiluppi, Paolo; Castro, Andrea; Cavallo, Francesca Romana; Chhibra, Simranjit Singh; Codispoti, Giuseppe; Cuffiani, Marco; Dallavalle, Gaetano-Marco; Fabbri, Fabrizio; Fanfani, Alessandra; Fasanella, Daniele; Giacomelli, Paolo; Grandi, Claudio; Guiducci, Luigi; Marcellini, Stefano; Masetti, Gianni; Montanari, Alessandro; Navarria, Francesco; Perrotta, Andrea; Rossi, Antonio; Rovelli, Tiziano; Siroli, Gian Piero; Tosi, Nicolò; Albergo, Sebastiano; Chiorboli, Massimiliano; Costa, Salvatore; Di Mattia, Alessandro; Giordano, Ferdinando; Potenza, Renato; Tricomi, Alessia; Tuve, Cristina; Barbagli, Giuseppe; Ciulli, Vitaliano; Civinini, Carlo; D'Alessandro, Raffaello; Focardi, Ettore; Gori, Valentina; Lenzi, Piergiulio; Meschini, Marco; Paoletti, Simone; Sguazzoni, Giacomo; Viliani, Lorenzo; Benussi, Luigi; Bianco, Stefano; Fabbri, Franco; Piccolo, Davide; Primavera, Federica; Calvelli, Valerio; Ferro, Fabrizio; Lo Vetere, Maurizio; Monge, Maria Roberta; Robutti, Enrico; Tosi, Silvano; Brianza, Luca; Dinardo, Mauro Emanuele; Fiorendi, Sara; Gennai, Simone; Ghezzi, Alessio; Govoni, Pietro; Malberti, Martina; Malvezzi, Sandra; Manzoni, Riccardo Andrea; Menasce, Dario; Moroni, Luigi; Paganoni, Marco; Pedrini, Daniele; Pigazzini, Simone; Ragazzi, Stefano; Tabarelli de Fatis, Tommaso; Buontempo, Salvatore; Cavallo, Nicola; De Nardo, Guglielmo; Di Guida, Salvatore; Esposito, Marco; Fabozzi, Francesco; Fienga, Francesco; Iorio, Alberto Orso Maria; Lanza, Giuseppe; Lista, Luca; Meola, Sabino; Paolucci, Pierluigi; Sciacca, Crisostomo; Thyssen, Filip; Azzi, Patrizia; Bacchetta, Nicola; Benato, Lisa; Bisello, Dario; Boletti, Alessio; Carlin, Roberto; Carvalho Antunes De Oliveira, Alexandra; Checchia, Paolo; Dall'Osso, Martino; De Castro Manzano, Pablo; Dorigo, Tommaso; Dosselli, Umberto; Gasparini, Fabrizio; Gasparini, Ugo; Gozzelino, Andrea; Lacaprara, Stefano; Margoni, Martino; Meneguzzo, Anna Teresa; Pazzini, Jacopo; Pozzobon, Nicola; Ronchese, Paolo; Simonetto, Franco; Torassa, Ezio; Zanetti, Marco; Zotto, Pierluigi; Zumerle, Gianni; Braghieri, Alessandro; Magnani, Alice; Montagna, Paolo; Ratti, Sergio P; Re, Valerio; Riccardi, Cristina; Salvini, Paola; Vai, Ilaria; Vitulo, Paolo; Alunni Solestizi, Luisa; Bilei, Gian Mario; Ciangottini, Diego; Fanò, Livio; Lariccia, Paolo; Leonardi, Roberto; Mantovani, Giancarlo; Menichelli, Mauro; Saha, Anirban; Santocchia, Attilio; Androsov, Konstantin; Azzurri, Paolo; Bagliesi, Giuseppe; Bernardini, Jacopo; Boccali, Tommaso; Castaldi, Rino; Ciocci, Maria Agnese; Dell'Orso, Roberto; Donato, Silvio; Fedi, Giacomo; Giassi, Alessandro; Grippo, Maria Teresa; Ligabue, Franco; Lomtadze, Teimuraz; Martini, Luca; Messineo, Alberto; Palla, Fabrizio; Rizzi, Andrea; Savoy-Navarro, Aurore; Spagnolo, Paolo; Tenchini, Roberto; Tonelli, Guido; Venturi, Andrea; Verdini, Piero Giorgio; Barone, Luciano; Cavallari, Francesca; Cipriani, Marco; Del Re, Daniele; Diemoz, Marcella; Gelli, Simone; Longo, Egidio; Margaroli, Fabrizio; Marzocchi, Badder; Meridiani, Paolo; Organtini, Giovanni; Paramatti, Riccardo; Preiato, Federico; Rahatlou, Shahram; Rovelli, Chiara; Santanastasio, Francesco; Amapane, Nicola; Arcidiacono, Roberta; Argiro, Stefano; Arneodo, Michele; Bartosik, Nazar; Bellan, Riccardo; Biino, Cristina; Cartiglia, Nicolo; Cenna, Francesca; Costa, Marco; Covarelli, Roberto; Degano, Alessandro; Demaria, Natale; Finco, Linda; Kiani, Bilal; Mariotti, Chiara; Maselli, Silvia; Migliore, Ernesto; Monaco, Vincenzo; Monteil, Ennio; Obertino, Maria Margherita; Pacher, Luca; Pastrone, Nadia; Pelliccioni, Mario; Pinna Angioni, Gian Luca; Ravera, Fabio; Romero, Alessandra; Ruspa, Marta; Sacchi, Roberto; Shchelina, Ksenia; Sola, Valentina; Solano, Ada; Staiano, Amedeo; Traczyk, Piotr; Belforte, Stefano; Casarsa, Massimo; Cossutti, Fabio; Della Ricca, Giuseppe; Zanetti, Anna; Kim, Dong Hee; Kim, Gui Nyun; Kim, Min Suk; Lee, Sangeun; Lee, Seh Wook; Oh, Young Do; Sekmen, Sezen; Son, Dong-Chul; Yang, Yu Chul; Lee, Ari; Kim, Hyunchul; Brochero Cifuentes, Javier Andres; Kim, Tae Jeong; Cho, Sungwoong; Choi, Suyong; Go, Yeonju; Gyun, Dooyeon; Ha, Seungkyu; Hong, Byung-Sik; Jo, Youngkwon; Kim, Yongsun; Lee, Byounghoon; Lee, Kisoo; Lee, Kyong Sei; Lee, Songkyo; Lim, Jaehoon; Park, Sung Keun; Roh, Youn; Almond, John; Kim, Junho; Lee, Haneol; Oh, Sung Bin; Radburn-Smith, Benjamin Charles; Seo, Seon-hee; Yang, Unki; Yoo, Hwi Dong; Yu, Geum Bong; Choi, Minkyoo; Kim, Hyunyong; Kim, Ji Hyun; Lee, Jason Sang Hun; Park, Inkyu; Ryu, Geonmo; Ryu, Min Sang; Choi, Young-Il; Goh, Junghwan; Hwang, Chanwook; Lee, Jongseok; Yu, Intae; Dudenas, Vytautas; Juodagalvis, Andrius; Vaitkus, Juozas; Ahmed, Ijaz; Ibrahim, Zainol Abidin; Komaragiri, Jyothsna Rani; Md Ali, Mohd Adli Bin; Mohamad Idris, Faridah; Wan Abdullah, Wan Ahmad Tajuddin; Yusli, Mohd Nizam; Zolkapli, Zukhaimira; Castilla-Valdez, Heriberto; De La Cruz-Burelo, Eduard; Heredia-De La Cruz, Ivan; Hernandez-Almada, Alberto; Lopez-Fernandez, Ricardo; Magaña Villalba, Ricardo; Mejia Guisao, Jhovanny; Sánchez Hernández, Alberto; Carrillo Moreno, Salvador; Oropeza Barrera, Cristina; Vazquez Valencia, Fabiola; Carpinteyro, Severiano; Pedraza, Isabel; Salazar Ibarguen, Humberto Antonio; Uribe Estrada, Cecilia; Morelos Pineda, Antonio; Krofcheck, David; Butler, Philip H; Ahmad, Ashfaq; Ahmad, Muhammad; Hassan, Qamar; Hoorani, Hafeez R; Khan, Wajid Ali; Saddique, Asif; Shah, Mehar Ali; Shoaib, Muhammad; Waqas, Muhammad; Bialkowska, Helena; Bluj, Michal; Boimska, Bożena; Frueboes, Tomasz; Górski, Maciej; Kazana, Malgorzata; Nawrocki, Krzysztof; Romanowska-Rybinska, Katarzyna; Szleper, Michal; Zalewski, Piotr; Bunkowski, Karol; Byszuk, Adrian; Doroba, Krzysztof; Kalinowski, Artur; Konecki, Marcin; Krolikowski, Jan; Misiura, Maciej; Olszewski, Michal; Walczak, Marek; Bargassa, Pedrame; Beirão Da Cruz E Silva, Cristóvão; Di Francesco, Agostino; Faccioli, Pietro; Ferreira Parracho, Pedro Guilherme; Gallinaro, Michele; Hollar, Jonathan; Leonardo, Nuno; Lloret Iglesias, Lara; Nemallapudi, Mythra Varun; Rodrigues Antunes, Joao; Seixas, Joao; Toldaiev, Oleksii; Vadruccio, Daniele; Varela, Joao; Vischia, Pietro; Bunin, Pavel; Gavrilenko, Mikhail; Golutvin, Igor; Gorbunov, Ilya; Kamenev, Alexey; Karjavin, Vladimir; Lanev, Alexander; Malakhov, Alexander; Matveev, Viktor; Palichik, Vladimir; Perelygin, Victor; Savina, Maria; Shmatov, Sergey; Shulha, Siarhei; Skatchkov, Nikolai; Smirnov, Vitaly; Voytishin, Nikolay; Zarubin, Anatoli; Chtchipounov, Leonid; Golovtsov, Victor; Ivanov, Yury; Kim, Victor; Kuznetsova, Ekaterina; Murzin, Victor; Oreshkin, Vadim; Sulimov, Valentin; Vorobyev, Alexey; Andreev, Yuri; Dermenev, Alexander; Gninenko, Sergei; Golubev, Nikolai; Karneyeu, Anton; Kirsanov, Mikhail; Krasnikov, Nikolai; Pashenkov, Anatoli; Tlisov, Danila; Toropin, Alexander; Epshteyn, Vladimir; Gavrilov, Vladimir; Lychkovskaya, Natalia; Popov, Vladimir; Pozdnyakov, Ivan; Safronov, Grigory; Spiridonov, Alexander; Toms, Maria; Vlasov, Evgueni; Zhokin, Alexander; Bylinkin, Alexander; Chistov, Ruslan; Danilov, Mikhail; Rusinov, Vladimir; Andreev, Vladimir; Azarkin, Maksim; Dremin, Igor; Kirakosyan, Martin; Leonidov, Andrey; Rusakov, Sergey V; Terkulov, Adel; Baskakov, Alexey; Belyaev, Andrey; Boos, Edouard; Bunichev, Viacheslav; Dubinin, Mikhail; Dudko, Lev; Gribushin, Andrey; Klyukhin, Vyacheslav; Kodolova, Olga; Lokhtin, Igor; Miagkov, Igor; Obraztsov, Stepan; Perfilov, Maxim; Petrushanko, Sergey; Savrin, Viktor; Blinov, Vladimir; Skovpen, Yuri; Azhgirey, Igor; Bayshev, Igor; Bitioukov, Sergei; Elumakhov, Dmitry; Kachanov, Vassili; Kalinin, Alexey; Konstantinov, Dmitri; Krychkine, Victor; Petrov, Vladimir; Ryutin, Roman; Sobol, Andrei; Troshin, Sergey; Tyurin, Nikolay; Uzunian, Andrey; Volkov, Alexey; Adzic, Petar; Cirkovic, Predrag; Devetak, Damir; Dordevic, Milos; Milosevic, Jovan; Rekovic, Vladimir; Alcaraz Maestre, Juan; Barrio Luna, Mar; Calvo, Enrique; Cerrada, Marcos; Chamizo Llatas, Maria; Colino, Nicanor; De La Cruz, Begona; Delgado Peris, Antonio; Escalante Del Valle, Alberto; Fernandez Bedoya, Cristina; Fernández Ramos, Juan Pablo; Flix, Jose; Fouz, Maria Cruz; Garcia-Abia, Pablo; Gonzalez Lopez, Oscar; Goy Lopez, Silvia; Hernandez, Jose M; Josa, Maria Isabel; Navarro De Martino, Eduardo; Pérez-Calero Yzquierdo, Antonio María; Puerta Pelayo, Jesus; Quintario Olmeda, Adrián; Redondo, Ignacio; Romero, Luciano; Senghi Soares, Mara; de Trocóniz, Jorge F; Missiroli, Marino; Moran, Dermot; Cuevas, Javier; Fernandez Menendez, Javier; Gonzalez Caballero, Isidro; González Fernández, Juan Rodrigo; Palencia Cortezon, Enrique; Sanchez Cruz, Sergio; Suárez Andrés, Ignacio; Vizan Garcia, Jesus Manuel; Cabrillo, Iban Jose; Calderon, Alicia; Castiñeiras De Saa, Juan Ramon; Curras, Esteban; Fernandez, Marcos; Garcia-Ferrero, Juan; Gomez, Gervasio; Lopez Virto, Amparo; Marco, Jesus; Martinez Rivero, Celso; Matorras, Francisco; Piedra Gomez, Jonatan; Rodrigo, Teresa; Ruiz-Jimeno, Alberto; Scodellaro, Luca; Trevisani, Nicolò; Vila, Ivan; Vilar Cortabitarte, Rocio; Abbaneo, Duccio; Auffray, Etiennette; Auzinger, Georg; Bachtis, Michail; Baillon, Paul; Ball, Austin; Barney, David; Bloch, Philippe; Bocci, Andrea; Bonato, Alessio; Botta, Cristina; Camporesi, Tiziano; Castello, Roberto; Cepeda, Maria; Cerminara, Gianluca; D'Alfonso, Mariarosaria; D'Enterria, David; Dabrowski, Anne; Daponte, Vincenzo; David Tinoco Mendes, Andre; De Gruttola, Michele; De Roeck, Albert; Di Marco, Emanuele; Dobson, Marc; Dorney, Brian; Du Pree, Tristan; Duggan, Daniel; Dünser, Marc; Dupont, Niels; Elliott-Peisert, Anna; Fartoukh, Stephane; Franzoni, Giovanni; Fulcher, Jonathan; Funk, Wolfgang; Gigi, Dominique; Gill, Karl; Girone, Maria; Glege, Frank; Gulhan, Doga; Gundacker, Stefan; Guthoff, Moritz; Hammer, Josef; Harris, Philip; Hegeman, Jeroen; Innocente, Vincenzo; Janot, Patrick; Kieseler, Jan; Kirschenmann, Henning; Knünz, Valentin; Kornmayer, Andreas; Kortelainen, Matti J; Kousouris, Konstantinos; Krammer, Manfred; Lange, Clemens; Lecoq, Paul; Lourenco, Carlos; Lucchini, Marco Toliman; Malgeri, Luca; Mannelli, Marcello; Martelli, Arabella; Meijers, Frans; Merlin, Jeremie Alexandre; Mersi, Stefano; Meschi, Emilio; Moortgat, Filip; Morovic, Srecko; Mulders, Martijn; Neugebauer, Hannes; Orfanelli, Styliani; Orsini, Luciano; Pape, Luc; Perez, Emmanuel; Peruzzi, Marco; Petrilli, Achille; Petrucciani, Giovanni; Pfeiffer, Andreas; Pierini, Maurizio; Racz, Attila; Reis, Thomas; Rolandi, Gigi; Rovere, Marco; Ruan, Manqi; Sakulin, Hannes; Sauvan, Jean-Baptiste; Schäfer, Christoph; Schwick, Christoph; Seidel, Markus; Sharma, Archana; Silva, Pedro; Sphicas, Paraskevas; Steggemann, Jan; Stoye, Markus; Takahashi, Yuta; Tosi, Mia; Treille, Daniel; Triossi, Andrea; Tsirou, Andromachi; Veckalns, Viesturs; Veres, Gabor Istvan; Wardle, Nicholas; Zagoździńska, Agnieszka; Zeuner, Wolfram Dietrich; Bertl, Willi; Deiters, Konrad; Erdmann, Wolfram; Horisberger, Roland; Ingram, Quentin; Kaestli, Hans-Christian; Kotlinski, Danek; Rohe, Tilman; Bachmair, Felix; Bäni, Lukas; Bianchini, Lorenzo; Casal, Bruno; Dissertori, Günther; Dittmar, Michael; Donegà, Mauro; Grab, Christoph; Heidegger, Constantin; Hits, Dmitry; Hoss, Jan; Kasieczka, Gregor; Lecomte, Pierre; Lustermann, Werner; Mangano, Boris; Marionneau, Matthieu; Martinez Ruiz del Arbol, Pablo; Masciovecchio, Mario; Meinhard, Maren Tabea; Meister, Daniel; Micheli, Francesco; Musella, Pasquale; Nessi-Tedaldi, Francesca; Pandolfi, Francesco; Pata, Joosep; Pauss, Felicitas; Perrin, Gaël; Perrozzi, Luca; Quittnat, Milena; Rossini, Marco; Schönenberger, Myriam; Starodumov, Andrei; Tavolaro, Vittorio Raoul; Theofilatos, Konstantinos; Wallny, Rainer; Aarrestad, Thea Klaeboe; Amsler, Claude; Caminada, Lea; Canelli, Maria Florencia; De Cosa, Annapaola; Galloni, Camilla; Hinzmann, Andreas; Hreus, Tomas; Kilminster, Benjamin; Ngadiuba, Jennifer; Pinna, Deborah; Rauco, Giorgia; Robmann, Peter; Salerno, Daniel; Yang, Yong; Zucchetta, Alberto; Candelise, Vieri; Doan, Thi Hien; Jain, Shilpi; Khurana, Raman; Konyushikhin, Maxim; Kuo, Chia-Ming; Lin, Willis; Lu, Yun-Ju; Pozdnyakov, Andrey; Yu, Shin-Shan; Kumar, Arun; Chang, Paoti; Chang, You-Hao; Chang, Yu-Wei; Chao, Yuan; Chen, Kai-Feng; Chen, Po-Hsun; Dietz, Charles; Fiori, Francesco; Hou, George Wei-Shu; Hsiung, Yee; Liu, Yueh-Feng; Lu, Rong-Shyang; Miñano Moya, Mercedes; Paganis, Efstathios; Psallidas, Andreas; Tsai, Jui-fa; Tzeng, Yeng-Ming; Asavapibhop, Burin; Singh, Gurpreet; Srimanobhas, Norraphat; Suwonjandee, Narumon; Adiguzel, Aytul; Bakirci, Mustafa Numan; Damarseckin, Serdal; Demiroglu, Zuhal Seyma; Dozen, Candan; Eskut, Eda; Girgis, Semiray; Gokbulut, Gul; Guler, Yalcin; Hos, Ilknur; Kangal, Evrim Ersin; Kara, Ozgun; Kiminsu, Ugur; Oglakci, Mehmet; Onengut, Gulsen; Ozdemir, Kadri; Ozturk, Sertac; Polatoz, Ayse; Sunar Cerci, Deniz; Turkcapar, Semra; Zorbakir, Ibrahim Soner; Zorbilmez, Caglar; Bilin, Bugra; Bilmis, Selcuk; Isildak, Bora; Karapinar, Guler; Yalvac, Metin; Zeyrek, Mehmet; Gülmez, Erhan; Kaya, Mithat; Kaya, Ozlem; Yetkin, Elif Asli; Yetkin, Taylan; Cakir, Altan; Cankocak, Kerem; Sen, Sercan; Grynyov, Boris; Levchuk, Leonid; Sorokin, Pavel; Aggleton, Robin; Ball, Fionn; Beck, Lana; Brooke, James John; Burns, Douglas; Clement, Emyr; Cussans, David; Flacher, Henning; Goldstein, Joel; Grimes, Mark; Heath, Greg P; Heath, Helen F; Jacob, Jeson; Kreczko, Lukasz; Lucas, Chris; Newbold, Dave M; Paramesvaran, Sudarshan; Poll, Anthony; Sakuma, Tai; Seif El Nasr-storey, Sarah; Smith, Dominic; Smith, Vincent J; Bell, Ken W; Belyaev, Alexander; Brew, Christopher; Brown, Robert M; Calligaris, Luigi; Cieri, Davide; Cockerill, David JA; Coughlan, John A; Harder, Kristian; Harper, Sam; Olaiya, Emmanuel; Petyt, David; Shepherd-Themistocleous, Claire; Thea, Alessandro; Tomalin, Ian R; Williams, Thomas; Baber, Mark; Bainbridge, Robert; Buchmuller, Oliver; Bundock, Aaron; Burton, Darren; Casasso, Stefano; Citron, Matthew; Colling, David; Corpe, Louie; Dauncey, Paul; Davies, Gavin; De Wit, Adinda; Della Negra, Michel; Di Maria, Riccardo; Dunne, Patrick; Elwood, Adam; Futyan, David; Haddad, Yacine; Hall, Geoffrey; Iles, Gregory; James, Thomas; Lane, Rebecca; Laner, Christian; Lucas, Robyn; Lyons, Louis; Magnan, Anne-Marie; Malik, Sarah; Mastrolorenzo, Luca; Nash, Jordan; Nikitenko, Alexander; Pela, Joao; Penning, Bjoern; Pesaresi, Mark; Raymond, David Mark; Richards, Alexander; Rose, Andrew; Seez, Christopher; Summers, Sioni; Tapper, Alexander; Uchida, Kirika; Vazquez Acosta, Monica; Virdee, Tejinder; Wright, Jack; Zenz, Seth Conrad; Cole, Joanne; Hobson, Peter R; Khan, Akram; Kyberd, Paul; Leslie, Dawn; Reid, Ivan; Symonds, Philip; Teodorescu, Liliana; Turner, Mark; Borzou, Ahmad; Call, Kenneth; Dittmann, Jay; Hatakeyama, Kenichi; Liu, Hongxuan; Pastika, Nathaniel; Charaf, Otman; Cooper, Seth; Henderson, Conor; Rumerio, Paolo; West, Christopher; Arcaro, Daniel; Avetisyan, Aram; Bose, Tulika; Gastler, Daniel; Rankin, Dylan; Richardson, Clint; Rohlf, James; Sulak, Lawrence; Zou, David; Benelli, Gabriele; Berry, Edmund; Cutts, David; Garabedian, Alex; Hakala, John; Heintz, Ulrich; Hogan, Julie Managan; Jesus, Orduna; Kwok, Ka Hei Martin; Laird, Edward; Landsberg, Greg; Mao, Zaixing; Narain, Meenakshi; Piperov, Stefan; Sagir, Sinan; Spencer, Eric; Syarif, Rizki; Breedon, Richard; Breto, Guillermo; Burns, Dustin; Calderon De La Barca Sanchez, Manuel; Chauhan, Sushil; Chertok, Maxwell; Conway, John; Conway, Rylan; Cox, Peter Timothy; Erbacher, Robin; Flores, Chad; Funk, Garrett; Gardner, Michael; Ko, Winston; Lander, Richard; Mclean, Christine; Mulhearn, Michael; Pellett, Dave; Pilot, Justin; Shalhout, Shalhout; Smith, John; Squires, Michael; Stolp, Dustin; Tripathi, Mani; Wilbur, Scott; Yohay, Rachel; Bravo, Cameron; Cousins, Robert; Everaerts, Pieter; Florent, Alice; Hauser, Jay; Ignatenko, Mikhail; Mccoll, Nickolas; Saltzberg, David; Schnaible, Christian; Takasugi, Eric; Valuev, Vyacheslav; Weber, Matthias; Burt, Kira; Clare, Robert; Ellison, John Anthony; Gary, J William; Ghiasi Shirazi, Seyyed Mohammad Amin; Hanson, Gail; Heilman, Jesse; Jandir, Pawandeep; Kennedy, Elizabeth; Lacroix, Florent; Long, Owen Rosser; Olmedo Negrete, Manuel; Paneva, Mirena Ivova; Shrinivas, Amithabh; Si, Weinan; Wei, Hua; Wimpenny, Stephen; Yates, Brent; Branson, James G; Cerati, Giuseppe Benedetto; Cittolin, Sergio; Derdzinski, Mark; Gerosa, Raffaele; Holzner, André; Klein, Daniel; Krutelyov, Vyacheslav; Letts, James; Macneill, Ian; Olivito, Dominick; Padhi, Sanjay; Pieri, Marco; Sani, Matteo; Sharma, Vivek; Simon, Sean; Tadel, Matevz; Vartak, Adish; Wasserbaech, Steven; Welke, Charles; Wood, John; Würthwein, Frank; Yagil, Avraham; Zevi Della Porta, Giovanni; Amin, Nick; Bhandari, Rohan; Bradmiller-Feld, John; Campagnari, Claudio; Dishaw, Adam; Dutta, Valentina; Flowers, Kristen; Franco Sevilla, Manuel; Geffert, Paul; George, Christopher; Golf, Frank; Gouskos, Loukas; Gran, Jason; Heller, Ryan; Incandela, Joe; Mullin, Sam Daniel; Ovcharova, Ana; Richman, Jeffrey; Stuart, David; Suarez, Indara; Yoo, Jaehyeok; Anderson, Dustin; Apresyan, Artur; Bendavid, Joshua; Bornheim, Adolf; Bunn, Julian; Chen, Yi; Duarte, Javier; Lawhorn, Jay Mathew; Mott, Alexander; Newman, Harvey B; Pena, Cristian; Spiropulu, Maria; Vlimant, Jean-Roch; Xie, Si; Zhu, Ren-Yuan; Andrews, Michael Benjamin; Azzolini, Virginia; Ferguson, Thomas; Paulini, Manfred; Russ, James; Sun, Menglei; Vogel, Helmut; Vorobiev, Igor; Weinberg, Marc; Cumalat, John Perry; Ford, William T; Jensen, Frank; Johnson, Andrew; Krohn, Michael; Mulholland, Troy; Stenson, Kevin; Wagner, Stephen Robert; Alexander, James; Chaves, Jorge; Chu, Jennifer; Dittmer, Susan; Mcdermott, Kevin; Mirman, Nathan; Nicolas Kaufman, Gala; Patterson, Juliet Ritchie; Rinkevicius, Aurelijus; Ryd, Anders; Skinnari, Louise; Soffi, Livia; Tan, Shao Min; Tao, Zhengcheng; Thom, Julia; Tucker, Jordan; Wittich, Peter; Zientek, Margaret; Winn, Dave; Abdullin, Salavat; Albrow, Michael; Apollinari, Giorgio; Banerjee, Sunanda; Bauerdick, Lothar AT; Beretvas, Andrew; Berryhill, Jeffrey; Bhat, Pushpalatha C; Bolla, Gino; Burkett, Kevin; Butler, Joel Nathan; Cheung, Harry; Chlebana, Frank; Cihangir, Selcuk; Cremonesi, Matteo; Elvira, Victor Daniel; Fisk, Ian; Freeman, Jim; Gottschalk, Erik; Gray, Lindsey; Green, Dan; Grünendahl, Stefan; Gutsche, Oliver; Hare, Daryl; Harris, Robert M; Hasegawa, Satoshi; Hirschauer, James; Hu, Zhen; Jayatilaka, Bodhitha; Jindariani, Sergo; Johnson, Marvin; Joshi, Umesh; Klima, Boaz; Kreis, Benjamin; Lammel, Stephan; Linacre, Jacob; Lincoln, Don; Lipton, Ron; Liu, Tiehui; Lopes De Sá, Rafael; Lykken, Joseph; Maeshima, Kaori; Magini, Nicolo; Marraffino, John Michael; Maruyama, Sho; Mason, David; McBride, Patricia; Merkel, Petra; Mrenna, Stephen; Nahn, Steve; Newman-Holmes, Catherine; O'Dell, Vivian; Pedro, Kevin; Prokofyev, Oleg; Rakness, Gregory; Ristori, Luciano; Sexton-Kennedy, Elizabeth; Soha, Aron; Spalding, William J; Spiegel, Leonard; Stoynev, Stoyan; Strobbe, Nadja; Taylor, Lucas; Tkaczyk, Slawek; Tran, Nhan Viet; Uplegger, Lorenzo; Vaandering, Eric Wayne; Vernieri, Caterina; Verzocchi, Marco; Vidal, Richard; Wang, Michael; Weber, Hannsjoerg Artur; Whitbeck, Andrew; Acosta, Darin; Avery, Paul; Bortignon, Pierluigi; Bourilkov, Dimitri; Brinkerhoff, Andrew; Carnes, Andrew; Carver, Matthew; Curry, David; Das, Souvik; Field, Richard D; Furic, Ivan-Kresimir; Konigsberg, Jacobo; Korytov, Andrey; Ma, Peisen; Matchev, Konstantin; Mei, Hualin; Milenovic, Predrag; Mitselmakher, Guenakh; Rank, Douglas; Shchutska, Lesya; Sperka, David; Thomas, Laurent; Wang, Jian; Wang, Sean-Jiun; Yelton, John; Linn, Stephan; Markowitz, Pete; Martinez, German; Rodriguez, Jorge Luis; Ackert, Andrew; Adams, Jordon Rowe; Adams, Todd; Askew, Andrew; Bein, Samuel; Diamond, Brendan; Hagopian, Sharon; Hagopian, Vasken; Johnson, Kurtis F; Khatiwada, Ajeeta; Prosper, Harrison; Santra, Arka; Baarmand, Marc M; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Titas; Yumiceva, Francisco; Adams, Mark Raymond; Apanasevich, Leonard; Berry, Douglas; Betts, Russell Richard; Bucinskaite, Inga; Cavanaugh, Richard; Evdokimov, Olga; Gauthier, Lucie; Gerber, Cecilia Elena; Hofman, David Jonathan; Jung, Kurt; Kurt, Pelin; O'Brien, Christine; Sandoval Gonzalez, Irving Daniel; Turner, Paul; Varelas, Nikos; Wang, Hui; Wu, Zhenbin; Zakaria, Mohammed; Zhang, Jingyu; Bilki, Burak; Clarida, Warren; Dilsiz, Kamuran; Durgut, Süleyman; Gandrajula, Reddy Pratap; Haytmyradov, Maksat; Khristenko, Viktor; Merlo, Jean-Pierre; Mermerkaya, Hamit; Mestvirishvili, Alexi; Moeller, Anthony; Nachtman, Jane; Ogul, Hasan; Onel, Yasar; Ozok, Ferhat; Penzo, Aldo; Snyder, Christina; Tiras, Emrah; Wetzel, James; Yi, Kai; Anderson, Ian; Blumenfeld, Barry; Cocoros, Alice; Eminizer, Nicholas; Fehling, David; Feng, Lei; Gritsan, Andrei; Maksimovic, Petar; Martin, Christopher; Osherson, Marc; Roskes, Jeffrey; Sarica, Ulascan; Swartz, Morris; Xiao, Meng; Xin, Yongjie; You, Can; Al-bataineh, Ayman; Baringer, Philip; Bean, Alice; Boren, Samuel; Bowen, James; Bruner, Christopher; Castle, James; Forthomme, Laurent; Kenny III, Raymond Patrick; Kropivnitskaya, Anna; Majumder, Devdatta; Mcbrayer, William; Murray, Michael; Sanders, Stephen; Stringer, Robert; Tapia Takaki, Daniel; Wang, Quan; Ivanov, Andrew; Kaadze, Ketino; Khalil, Sadia; Maravin, Yurii; Mohammadi, Abdollah; Saini, Lovedeep Kaur; Skhirtladze, Nikoloz; Toda, Sachiko; Rebassoo, Finn; Wright, Douglas; Anelli, Christopher; Baden, Drew; Baron, Owen; Belloni, Alberto; Calvert, Brian; Eno, Sarah Catherine; Ferraioli, Charles; Gomez, Jaime; Hadley, Nicholas John; Jabeen, Shabnam; Kellogg, Richard G; Kolberg, Ted; Kunkle, Joshua; Lu, Ying; Mignerey, Alice; Ricci-Tam, Francesca; Shin, Young Ho; Skuja, Andris; Tonjes, Marguerite; Tonwar, Suresh C; Abercrombie, Daniel; Allen, Brandon; Apyan, Aram; Barbieri, Richard; Baty, Austin; Bi, Ran; Bierwagen, Katharina; Brandt, Stephanie; Busza, Wit; Cali, Ivan Amos; Demiragli, Zeynep; Di Matteo, Leonardo; Gomez Ceballos, Guillelmo; Goncharov, Maxim; Hsu, Dylan; Iiyama, Yutaro; Innocenti, Gian Michele; Klute, Markus; Kovalskyi, Dmytro; Krajczar, Krisztian; Lai, Yue Shi; Lee, Yen-Jie; Levin, Andrew; Luckey, Paul David; Maier, Benedikt; Marini, Andrea Carlo; Mcginn, Christopher; Mironov, Camelia; Narayanan, Siddharth; Niu, Xinmei; Paus, Christoph; Roland, Christof; Roland, Gunther; Salfeld-Nebgen, Jakob; Stephans, George; Sumorok, Konstanty; Tatar, Kaya; Varma, Mukund; Velicanu, Dragos; Veverka, Jan; Wang, Jing; Wang, Ta-Wei; Wyslouch, Bolek; Yang, Mingming; Zhukova, Victoria; Benvenuti, Alberto; Chatterjee, Rajdeep Mohan; Evans, Andrew; Finkel, Alexey; Gude, Alexander; Hansen, Peter; Kalafut, Sean; Kao, Shih-Chuan; Kubota, Yuichi; Lesko, Zachary; Mans, Jeremy; Nourbakhsh, Shervin; Ruckstuhl, Nicole; Rusack, Roger; Tambe, Norbert; Turkewitz, Jared; Acosta, John Gabriel; Oliveros, Sandra; Avdeeva, Ekaterina; Bartek, Rachel; Bloom, Kenneth; Claes, Daniel R; Dominguez, Aaron; Fangmeier, Caleb; Gonzalez Suarez, Rebeca; Kamalieddin, Rami; Kravchenko, Ilya; Malta Rodrigues, Alan; Meier, Frank; Monroy, Jose; Siado, Joaquin Emilo; Snow, Gregory R; Stieger, Benjamin; Alyari, Maral; Dolen, James; George, Jimin; Godshalk, Andrew; Harrington, Charles; Iashvili, Ia; Kaisen, Josh; Kharchilava, Avto; Kumar, Ashish; Parker, Ashley; Rappoccio, Salvatore; Roozbahani, Bahareh; Alverson, George; Barberis, Emanuela; Hortiangtham, Apichart; Massironi, Andrea; Morse, David Michael; Nash, David; Orimoto, Toyoko; Teixeira De Lima, Rafael; Trocino, Daniele; Wang, Ren-Jie; Wood, Darien; Bhattacharya, Saptaparna; Hahn, Kristan Allan; Kubik, Andrew; Kumar, Ajay; Low, Jia Fu; Mucia, Nicholas; Odell, Nathaniel; Pollack, Brian; Schmitt, Michael Henry; Sung, Kevin; Trovato, Marco; Velasco, Mayda; Dev, Nabarun; Hildreth, Michael; Hurtado Anampa, Kenyi; Jessop, Colin; Karmgard, Daniel John; Kellams, Nathan; Lannon, Kevin; Marinelli, Nancy; Meng, Fanbo; Mueller, Charles; Musienko, Yuri; Planer, Michael; Reinsvold, Allison; Ruchti, Randy; Smith, Geoffrey; Taroni, Silvia; Wayne, Mitchell; Wolf, Matthias; Woodard, Anna; Alimena, Juliette; Antonelli, Louis; Brinson, Jessica; Bylsma, Ben; Durkin, Lloyd Stanley; Flowers, Sean; Francis, Brian; Hart, Andrew; Hill, Christopher; Hughes, Richard; Ji, Weifeng; Liu, Bingxuan; Luo, Wuming; Puigh, Darren; Winer, Brian L; Wulsin, Howard Wells; Cooperstein, Stephane; Driga, Olga; Elmer, Peter; Hardenbrook, Joshua; Hebda, Philip; Lange, David; Luo, Jingyu; Marlow, Daniel; Mc Donald, Jeffrey; Medvedeva, Tatiana; Mei, Kelvin; Mooney, Michael; Olsen, James; Palmer, Christopher; Piroué, Pierre; Stickland, David; Tully, Christopher; Zuranski, Andrzej; Malik, Sudhir; Barker, Anthony; Barnes, Virgil E; Folgueras, Santiago; Gutay, Laszlo; Jha, Manoj; Jones, Matthew; Jung, Andreas Werner; Miller, David Harry; Neumeister, Norbert; Schulte, Jan-Frederik; Shi, Xin; Sun, Jian; Svyatkovskiy, Alexey; Wang, Fuqiang; Xie, Wei; Xu, Lingshan; Parashar, Neeti; Stupak, John; Adair, Antony; Akgun, Bora; Chen, Zhenyu; Ecklund, Karl Matthew; Geurts, Frank JM; Guilbaud, Maxime; Li, Wei; Michlin, Benjamin; Northup, Michael; Padley, Brian Paul; Redjimi, Radia; Roberts, Jay; Rorie, Jamal; Tu, Zhoudunming; Zabel, James; Betchart, Burton; Bodek, Arie; de Barbaro, Pawel; Demina, Regina; Duh, Yi-ting; Ferbel, Thomas; Galanti, Mario; Garcia-Bellido, Aran; Han, Jiyeon; Hindrichs, Otto; Khukhunaishvili, Aleko; Lo, Kin Ho; Tan, Ping; Verzetti, Mauro; Agapitos, Antonis; Chou, John Paul; Contreras-Campana, Emmanuel; Gershtein, Yuri; Gómez Espinosa, Tirso Alejandro; Halkiadakis, Eva; Heindl, Maximilian; Hidas, Dean; Hughes, Elliot; Kaplan, Steven; Kunnawalkam Elayavalli, Raghav; Kyriacou, Savvas; Lath, Amitabh; Nash, Kevin; Saka, Halil; Salur, Sevil; Schnetzer, Steve; Sheffield, David; Somalwar, Sunil; Stone, Robert; Thomas, Scott; Thomassen, Peter; Walker, Matthew; Delannoy, Andrés G; Foerster, Mark; Heideman, Joseph; Riley, Grant; Rose, Keith; Spanier, Stefan; Thapa, Krishna; Bouhali, Othmane; Celik, Ali; Dalchenko, Mykhailo; De Mattia, Marco; Delgado, Andrea; Dildick, Sven; Eusebi, Ricardo; Gilmore, Jason; Huang, Tao; Juska, Evaldas; Kamon, Teruki; Mueller, Ryan; Pakhotin, Yuriy; Patel, Rishi; Perloff, Alexx; Perniè, Luca; Rathjens, Denis; Rose, Anthony; Safonov, Alexei; Tatarinov, Aysen; Ulmer, Keith; Akchurin, Nural; Cowden, Christopher; Damgov, Jordan; De Guio, Federico; Dragoiu, Cosmin; Dudero, Phillip Russell; Faulkner, James; Gurpinar, Emine; Kunori, Shuichi; Lamichhane, Kamal; Lee, Sung Won; Libeiro, Terence; Peltola, Timo; Undleeb, Sonaina; Volobouev, Igor; Wang, Zhixing; Greene, Senta; Gurrola, Alfredo; Janjam, Ravi; Johns, Willard; Maguire, Charles; Melo, Andrew; Ni, Hong; Sheldon, Paul; Tuo, Shengquan; Velkovska, Julia; Xu, Qiao; Arenton, Michael Wayne; Barria, Patrizia; Cox, Bradley; Goodell, Joseph; Hirosky, Robert; Ledovskoy, Alexander; Li, Hengne; Neu, Christopher; Sinthuprasith, Tutanon; Sun, Xin; Wang, Yanchu; Wolfe, Evan; Xia, Fan; Clarke, Christopher; Harr, Robert; Karchin, Paul Edmund; Sturdy, Jared; Belknap, Donald; Caillol, Cécile; Dasu, Sridhara; Dodd, Laura; Duric, Senka; Gomber, Bhawna; Grothe, Monika; Herndon, Matthew; Hervé, Alain; Klabbers, Pamela; Lanaro, Armando; Levine, Aaron; Long, Kenneth; Loveless, Richard; Ojalvo, Isabel; Perry, Thomas; Pierro, Giuseppe Antonio; Polese, Giovanni; Ruggles, Tyler; Savin, Alexander; Smith, Nicholas; Smith, Wesley H; Taylor, Devin; Woods, Nathaniel

2017-02-28

Searches for invisible decays of the Higgs boson are presented. The data collected with the CMS detector at the LHC correspond to integrated luminosities of 5.1, 19.7, and 2.3 fb$^{-1}$ at centre-of-mass energies of 7, 8, and 13 TeV, respectively. The search channels target Higgs boson production via gluon fusion, vector boson fusion, and in association with a vector boson. Upper limits are placed on the branching fraction of the Higgs boson decay to invisible particles, as a function of the assumed production cross sections. The combination of all channels, assuming standard model production, yields an observed (expected) upper limit on the invisible branching fraction of 0.24 (0.23) at the 95% confidence level. The results are also interpreted in the context of Higgs-portal dark matter models.

Does verbal abuse leave deeper scars: a study of children and parents.

Science.gov (United States)

Ney, P G

1987-06-01

This study investigating the effects of verbal abuse on children and their abused parents, tends to support the clinical impression that verbal abuse may have a greater impact for a longer period of time. Although there are very few pure forms of verbal abuse, there are some parents who use verbal abuse but would hit their children, neglect them, or involve them in sex. Verbal abuse may become an increasingly frequent form of controlling and disciplining children because of the increased awareness of physical abuse and because of the possible declining value of children. Verbal abuse may have a greater impact because the abused child has greater difficulty defending himself from the attack. Because children tend to identify with their parents, the verbal abuse by their parents becomes a way in which they then abuse themselves.

A Meta-study of musicians' non-verbal interaction

DEFF Research Database (Denmark)

Jensen, Karl Kristoffer; Marchetti, Emanuela

2010-01-01

interruptions. Hence, despite the fact that the skill to engage in a non-verbal interaction is described as tacit knowledge, it is fundamental for both musicians and teachers (Davidson and Good 2002). Typical observed non-verbal cues are for example: physical gestures, modulations of sound, steady eye contact...

Verbal communication of semantic content in products

DEFF Research Database (Denmark)

Lenau, Torben Anker; Boelskifte, Per

2005-01-01

The purpose of the present research work is to explore how precise verbal communication can capture the semantic content of physical products. The paper presents an overview of the background and work done so far. Furthermore are ideas for future work discussed. The background includes the increa......The purpose of the present research work is to explore how precise verbal communication can capture the semantic content of physical products. The paper presents an overview of the background and work done so far. Furthermore are ideas for future work discussed. The background includes...... a number of the selected terms seem to have several interpretations causing ambiguous information. The work also suggests that more emphasis is needed in design education on training precise verbal communication concerning semantic contents in products....

The Invisible Hand of Innovation showing in the General Purpose Technology of Electricity

NARCIS (Netherlands)

van der Kooij, B.J.G.

2017-01-01

The unintended economic effect on society as result of individual behaviour —Adam Smith’s ‘Invisible Hand’ of economic progress in the eighteenth century — had its equivalent in technological progress. In the nineteenth century, again individual behaviour with its Acts of Innovation and Acts of

The Lived Experience of Students with an Invisible Disability at a Canadian University

Science.gov (United States)

Mullins, Laura; Preyde, Michele

2013-01-01

University institutions are required by law to make their services accessible to students with disabilities. Canadian universities have gone a long way to eliminate the physical obstacles that present barriers for students. Many students with disabilities have invisible disabilities that require different types of adjustments. Although some…

Non-Verbal Communication in Children with Visual Impairment

Science.gov (United States)

Mallineni, Sharmila; Nutheti, Rishita; Thangadurai, Shanimole; Thangadurai, Puspha

2006-01-01

The aim of this study was to determine: (a) whether children with visual and additional impairments show any non-verbal behaviors, and if so what were the common behaviors; (b) whether two rehabilitation professionals interpreted the non-verbal behaviors similarly; and (c) whether a speech pathologist and a rehabilitation professional interpreted…

Abdominoplasty for Ladd's procedure: optimizing access and esthetics

African Journals Online (AJOL)

often-displeasing incision and visible scar. ... inception and is traditionally performed by making a ... procedure, these highly visible surgical approaches can .... reportedthat she remained symptom free and was pleased with her nearly invisible.

The impact of the teachers' non-verbal communication on success in teaching.

Science.gov (United States)

Bambaeeroo, Fatemeh; Shokrpour, Nasrin

2017-04-01

Non-verbal communication skills, also called sign language or silent language, include all behaviors performed in the presence of others or perceived either consciously or unconsciously. The main aim of this review article was to determine the effect of the teachers' non-verbal communication on success in teaching using the findings of the studies conducted on the relationship between quality of teaching and the teachers' use of non-verbal communication and also its impact on success in teaching. Considering the research method, i.e. a review article, we searched for all articles in this field using key words such as success in teaching, verbal communication and non-verbal communication. In this study, we did not encode the articles. The results of this revealed that there was a strong relationship among the quality, amount and the method of using non-verbal communication by teachers while teaching. Based on the findings of the studies reviewed, it was found that the more the teachers used verbal and non-verbal communication, the more efficacious their education and the students' academic progress were. Under non-verbal communication, some other patterns were used. For example, emotive, team work, supportive, imaginative, purposive, and balanced communication using speech, body, and pictures all have been effective in students' learning and academic success. The teachers' attention to the students' non-verbal reactions and arranging the syllabus considering the students' mood and readiness have been emphasized in the studies reviewed. It was concluded that if this skill is practiced by teachers, it will have a positive and profound effect on the students' mood. Non-verbal communication is highly reliable in the communication process, so if the recipient of a message is between two contradictory verbal and nonverbal messages, logic dictates that we push him toward the non-verbal message and ask him to pay more attention to non-verbal than verbal messages because non-verbal

The Development of Verbal Relations in Analogical Reasonings.

Science.gov (United States)

Sternberg, Robert J.; Nigro, Georgia

A six-process theory of analogical reasoning was tested by administering verbal analogy items to students in grades 3 through college. The items were classified according to five verbal relations: synonyms, antonyms, functional, linear ordering, and class membership. A new method of componential analysis that does not require precueing was used to…

The Effects of Musical Training on Verbal Memory

Science.gov (United States)

Franklin, Michael S.; Moore, Katherine Sledge; Yip, Chun-Yu; Jonides, John; Rattray, Katie; Moher, Jeff

2008-01-01

A number of studies suggest a link between musical training and general cognitive abilities. Despite some positive results, there is disagreement about which abilities are improved. One line of research leads to the hypothesis that verbal abilities in general, and verbal memory in particular, are related to musical training. In the present…

Comunicação verbal e não verbal de mãe cega e com limitação motora durante alimentação da criança Comunicación verbal y no verbal de madre ciega y con limitación motora durante la alimentación delniño Verbal and nonverbal communication of a blind mother with limited dexterity during infant feeding

Directory of Open Access Journals (Sweden)

Giselly Oseni Laurentino Barbosa

2011-01-01

Full Text Available OBJETIVO: Analisar a comunicação verbal e não verbal, de mãe cega e com limitação motora com o filho e enfermeira durante alimentação da criança. MÉTODOS: Estudo exploratório, descritivo, tipo estudo de caso, com abordagem quantitativa realizado no ano de 2009. As entrevistas foram gravadas, filmadas e analisadas por três avaliadores. RESULTADOS: Os resultados da comunicação verbal mostraram a predominância da mãe como destinatária e a utilização da função emotiva nas verbalizações com a criança, e a comunicação não verbal mostrou a prevalência da distância íntima entre mãe/filho, da pessoal entre mãe/enfermeira e da postura sentada. Houve pouco contato face a face e sobressaíram-se os contatos físicos com a criança. CONCLUSÃO: A mãe não sofreu prejuízos verbais no estabelecimento de seu processo comunicativo. A distância facilitou a interação mãe com o bebê e com a profissional.OBJETIVO: Analizar la comunicación verbal y no verbal, de madre ciega y con limitación motora con el hijo y la enfermera durante la alimentación del niño. MÉTODOS: Estudio exploratorio, descriptivo, tipo estudio de caso, con abordaje cuantitativo realizado en el año 2009. Las entrevistas fueron grabadas, filmadas y analizadas por tres evaluadores. RESULTADOS: Los resultados de la comunicación verbal mostraron el predominio de la madre como destinataria y la utilización de la función emotiva en las verbalizaciones con el niño, y la comunicación no verbal mostró la prevalencia de la distancia íntima entre madre/hijo, de la personal entre madre/enfermera y de la postura sentada. Hubo poco contacto cara a cara y sobresalieron los contactos físicos con el niño. CONCLUSIÓN: La madre no sufrió prejuicios verbales en el establecimiento de su proceso comunicativo. La distancia facilitó la interacción de la madre con el bebé y con la profesional.OBJECTIVE: To analyze the verbal and nonverbal communication, of the

Analyzing Visibility Configurations.

Science.gov (United States)

Dachsbacher, C

2011-04-01

Many algorithms, such as level of detail rendering and occlusion culling methods, make decisions based on the degree of visibility of an object, but do not analyze the distribution, or structure, of the visible and occluded regions across surfaces. We present an efficient method to classify different visibility configurations and show how this can be used on top of existing methods based on visibility determination. We adapt co-occurrence matrices for visibility analysis and generalize them to operate on clusters of triangular surfaces instead of pixels. We employ machine learning techniques to reliably classify the thus extracted feature vectors. Our method allows perceptually motivated level of detail methods for real-time rendering applications by detecting configurations with expected visual masking. We exemplify the versatility of our method with an analysis of area light visibility configurations in ray tracing and an area-to-area visibility analysis suitable for hierarchical radiosity refinement. Initial results demonstrate the robustness, simplicity, and performance of our method in synthetic scenes, as well as real applications.

Efeitos de contingências de punição sobre os desempenhos verbal e não verbal

Directory of Open Access Journals (Sweden)

Elisa Tavares Sanabio

Full Text Available O presente estudo investigou a influência de contingências de punição sobre os desempenhos verbal (resposta de relato e não verbal (resposta de escolha. Estudantes universitários foram expostos a uma tarefa de escolha de acordo com o modelo. Após a resposta de escolha, a pergunta "Você acertou?" era apresentada e o participante deveria emitir a resposta de relato, indicando uma dentre duas alternativas, "SIM" e "NÃO". No Experimento 1, o feedback "Incorreto. Você perdeu 1 ponto" foi programado para a resposta de relato e, no Experimento 2, o feedback foi contingente à resposta de escolha. No Experimento 1, o feedback exerceu funções punitivas sobre a resposta de relato e, na maioria das condições, não afetou a resposta de escolha. No Experimento 2, o feedback não exerceu controle sobre a resposta de escolha, embora tenha influenciado as respostas de relato. Esses resultados sugerem que os desempenhos verbal e não verbal são funcionalmente independentes. O presente estudo evidencia o caráter operante do relato e, ao identificar possíveis variáveis de controle desse comportamento, contribui para uma maior fidedignidade dos dados obtidos por meio de auto-relatos.

On the applied implications of the "verbal overshadowing effect".

Science.gov (United States)

Mickes, Laura; Wixted, John T

2015-05-01

Schooler and Engstler-Schooler (1990) found that participants who wrote out a description of the perpetrator's face after watching a simulated crime video were subsequently less likely to identify that perpetrator from a photo lineup compared to participants in a control condition (i.e., the correct ID rate was reduced). The first registered replication report in Perspectives on Psychological Science confirmed this verbal overshadowing effect (Alogna et al., 2014). Does this result indicate a reduced ability to recognize the person who was verbally described, or does it instead reflect more conservative responding? The answer depends on the still unknown likelihood of identifying an innocent suspect from a lineup (the false ID rate). Assuming the reduced correct ID rate does reflect memory impairment, should the legal system be advised to give less weight to a suspect identification if the witness previously provided a verbal description of the perpetrator? Intuitively, the answer is "yes," but without knowing the false ID rate, it is unclear if a suspect identification following a verbal description should be given less weight or more weight. This is true even if the correct and false ID rates show that verbal descriptions impair memory. In our view, psychologists should withhold giving advice to the legal system about the effect of verbal descriptions on suspect identifications until the issue is investigated by including lineups that contain an innocent suspect. © The Author(s) 2015.

Disability in adults with arthrogryposis is severe, partly invisible, and varies by genotype.

Science.gov (United States)

Dai, Shenhao; Dieterich, Klaus; Jaeger, Marie; Wuyam, Bernard; Jouk, Pierre-Simon; Pérennou, Dominic

2018-04-06

To understand the disability of adults with arthrogryposis multiplex congenita (AMC), a rare disease spectrum characterized by at least 2 joint contractures at birth in different body areas. This is a retrospective analysis of data for unselected persons with AMC referred to the French center for adults with AMC from 2010 to 2016. All underwent a pluriprofessional systematic and comprehensive investigation of deficits, activity limitation, and participation restriction according to the International Classification of Functioning, Disability and Health and genetic analysis when indicated. Participants were divided by amyoplasia and other AMC types. Mean (SD) age of the 43 participants (27 female) was 33.2 (13.4) years; 28 had amyoplasia and 15 other types of AMC. Beyond joint stiffness, deformities, and muscle weakness, the well-known core symptoms that we quantified and for which first-line treatment involved technical aids, other less visible disorders that could contribute to severe participation restriction were particularly pain and psychological problems including anxiety, fatigue, difficulty in sexual life, altered self-esteem, and feelings of solitude. Severe respiratory disorders were infrequent and were linked to PIEZO2 mutations. Gait disorders were not due to respiratory impairment but to skeletal problems and were always associated with amyoplasia when severe. Functional independence was worse but respiratory and swallowing capacities were better with amyoplasia than other AMC types. This study describes disability patterns of a cohort of adults with AMC by genotype. The disability of adults with AMC is influenced by genotype, with important invisible disability. © 2018 American Academy of Neurology.

Nonspecific Verbal Cues Alleviate Forgetting by Young Children

Science.gov (United States)

Morgan, Kirstie; Hayne, Harlene

2007-01-01

Verbal reminders play a pervasive role in memory retrieval by human adults. In fact, relatively nonspecific verbal information (e.g. "Remember the last time we ate at that restaurant?") will often cue vivid recollections of a past event even when presented outside the original encoding context. Although research has shown that memory retrieval by…

Interference with olfactory memory by visual and verbal tasks.

Science.gov (United States)

Annett, J M; Cook, N M; Leslie, J C

1995-06-01

It has been claimed that olfactory memory is distinct from memory in other modalities. This study investigated the effectiveness of visual and verbal tasks in interfering with olfactory memory and included methodological changes from other recent studies. Subjects were allocated to one of four experimental conditions involving interference tasks [no interference task; visual task; verbal task; visual-plus-verbal task] and presented 15 target odours. Either recognition of the odours or free recall of the odour names was tested on one occasion, either within 15 minutes of presentation or one week later. Recognition and recall performance both showed effects of interference of visual and verbal tasks but there was no effect for time of testing. While the results may be accommodated within a dual coding framework, further work is indicated to resolve theoretical issues relating to task complexity.

Assessment of Nonverbal and Verbal Apraxia in Patients with Parkinson’s Disease

Directory of Open Access Journals (Sweden)

Monia Presotto

2015-01-01

Full Text Available Objective. To assess the presence of nonverbal and verbal apraxia in patients with Parkinson’s disease (PD and analyze the correlation between these conditions and patient age, education, duration of disease, and PD stage, as well as evaluate the correlation between the two types of apraxia and the frequency and types of verbal apraxic errors made by patients in the sample. Method. This was an observational prevalence study. The sample comprised 45 patients with PD seen at the Movement Disorders Clinic of the Clinical Hospital of Porto Alegre, Brazil. Patients were evaluated using the Speech Apraxia Assessment Protocol and PD stages were classified according to the Hoehn and Yahr scale. Results. The rate of nonverbal apraxia and verbal apraxia in the present sample was 24.4%. Verbal apraxia was significantly correlated with education (p≤0.05. The most frequent types of verbal apraxic errors were omissions (70.8%. The analysis of manner and place of articulation showed that most errors occurred during the production of trill (57.7% and dentoalveolar (92% phonemes, consecutively. Conclusion. Patients with PD presented nonverbal and verbal apraxia and made several verbal apraxic errors. Verbal apraxia was correlated with education levels.

Los mediadores desde la perspectiva del lenguaje no verbal

OpenAIRE

López Viera, Laura

2015-01-01

[ES] Tal y como argumentó Mehrabian (1972) en sus investigaciones: En la contribución no verbal recae el 55% del peso del proceso comunicativo del ser humano, un 38% a la voz (entonación, latencia, ritmo...) y tan sólo un 7% pertenece al lenguaje verbal o articulado. Es por ello que antes de entrar a la sala de la mediación, es primordial dominar las técnicas del lenguaje no verbal y así comprender más y mejor a los mediados. 

Disciplining young children: the role of verbal instructions and reasoning.

Science.gov (United States)

Blum, N J; Williams, G E; Friman, P C; Christophersen, E R

1995-08-01

Pediatricians are often asked to advise parents who are having difficulty managing the oppositional behaviors of their toddlers and preschool-age children. A large number of articles provide advice to pediatricians and parents on effective disciplinary strategies. However, despite the fact that verbal explanations, reasoning, and instructions are commonly used by parents, few articles directly address the use of these strategies to affect children's behavior. In this paper, we review studies that explicitly investigate the ability of adults' verbal explanations or instructions to alter the behavior of young children. These studies suggest that under most circumstances, verbal explanations and instructions are not effective in changing young children's problem behaviors. We then discuss how theories in developmental and behavioral psychology help explain the limitations of using verbal reasoning and instructions to change young children's problem behaviors. Finally, we provide some recommendations for parents on the use of verbal explanations and instructions in disciplining young children.

Descriptive study of the Socratic method: evidence for verbal shaping.

Science.gov (United States)

Calero-Elvira, Ana; Froján-Parga, María Xesús; Ruiz-Sancho, Elena María; Alpañés-Freitag, Manuel

2013-12-01

In this study we analyzed 65 fragments of session recordings in which a cognitive behavioral therapist employed the Socratic method with her patients. Specialized coding instruments were used to categorize the verbal behavior of the psychologist and the patients. First the fragments were classified as more or less successful depending on the overall degree of concordance between the patient's verbal behavior and the therapeutic objectives. Then the fragments were submitted to sequential analysis so as to discover regularities linking the patient's verbal behavior and the therapist's responses to it. Important differences between the more and the less successful fragments involved the therapist's approval or disapproval of verbalizations that approximated therapeutic goals. These approvals and disapprovals were associated with increases and decreases, respectively, in the patient's behavior. These results are consistent with the existence, in this particular case, of a process of shaping through which the therapist modifies the patient's verbal behavior in the overall direction of his or her chosen therapeutic objectives. © 2013.

The impact of the teachers’ non-verbal communication on success in teaching

Directory of Open Access Journals (Sweden)

FATEMEH BAMBAEEROO

2017-04-01

Full Text Available Introduction: Non-verbal communication skills, also called sign language or silent language, include all behaviors performed in the presence of others or perceived either consciously or unconsciously. The main aim of this review article was to determine the effect of the teachers’ non-verbal communication on success in teaching using the findings of the studies conducted on the relationship between quality of teaching and the teachers’ use of non-verbal communication and also its impact on success in teaching. Methods: Considering the research method, i.e. a review article, we searched for all articles in this field using key words such as success in teaching, verbal communication and non-verbal communication. In this study, we did not encode the articles. Results: The results of this revealed that there was a strong relationship among the quality, amount and the method of using non-verbal communication by teachers while teaching. Based on the findings of the studies reviewed, it was found that the more the teachers used verbal and non-verbal communication, the more efficacious their education and the students’ academic progress were. Under non-verbal communication, some other patterns were used. For example, emotive, team work, supportive, imaginative, purposive, and balanced communication using speech, body, and pictures all have been effective in students’ learning and academic success. The teachers’ attention to the students’ non-verbal reactions and arranging the syllabus considering the students’ mood and readiness have been emphasized in the studies reviewed. Conclusion: It was concluded that if this skill is practiced by teachers, it will have a positive and profound effect on the students’ mood. Non-verbal communication is highly reliable in the communication process, so if the recipient of a message is between two contradictory verbal and nonverbal messages, logic dictates that we push him toward the non-verbal message

The impact of the teachers’ non-verbal communication on success in teaching

Science.gov (United States)

BAMBAEEROO, FATEMEH; SHOKRPOUR, NASRIN

2017-01-01

Introduction: Non-verbal communication skills, also called sign language or silent language, include all behaviors performed in the presence of others or perceived either consciously or unconsciously. The main aim of this review article was to determine the effect of the teachers’ non-verbal communication on success in teaching using the findings of the studies conducted on the relationship between quality of teaching and the teachers’ use of non-verbal communication and also its impact on success in teaching. Methods: Considering the research method, i.e. a review article, we searched for all articles in this field using key words such as success in teaching, verbal communication and non-verbal communication. In this study, we did not encode the articles. Results: The results of this revealed that there was a strong relationship among the quality, amount and the method of using non-verbal communication by teachers while teaching. Based on the findings of the studies reviewed, it was found that the more the teachers used verbal and non-verbal communication, the more efficacious their education and the students’ academic progress were. Under non-verbal communication, some other patterns were used. For example, emotive, team work, supportive, imaginative, purposive, and balanced communication using speech, body, and pictures all have been effective in students’ learning and academic success. The teachers’ attention to the students’ non-verbal reactions and arranging the syllabus considering the students’ mood and readiness have been emphasized in the studies reviewed. Conclusion: It was concluded that if this skill is practiced by teachers, it will have a positive and profound effect on the students’ mood. Non-verbal communication is highly reliable in the communication process, so if the recipient of a message is between two contradictory verbal and nonverbal messages, logic dictates that we push him toward the non-verbal message and ask him to pay

Estudio de la comunicación verbal y no verbal y aplicación al discurso político

OpenAIRE

Ruano Flores, María de las Mercedes

2014-01-01

El trabajo está estructurado en dos apartados teóricos y un apartado práctico. El primer apartado teórico se centra en el estudio de la comunicación verbal y en el proceso de comunicación, y el segundo apartado se centra en la comunicación no verbal. En el apartado práctico encontramos la aplicación de los conocimientos al discurso político

Non-verbal communication in meetings of psychiatrists and patients with schizophrenia.

Science.gov (United States)

Lavelle, M; Dimic, S; Wildgrube, C; McCabe, R; Priebe, S

2015-03-01

Recent evidence found that patients with schizophrenia display non-verbal behaviour designed to avoid social engagement during the opening moments of their meetings with psychiatrists. This study aimed to replicate, and build on, this finding, assessing the non-verbal behaviour of patients and psychiatrists during meetings, exploring changes over time and its association with patients' symptoms and the quality of the therapeutic relationship. 40-videotaped routine out-patient consultations, involving patients with schizophrenia, were analysed. Non-verbal behaviour of patients and psychiatrists was assessed during three fixed, 2-min intervals using a modified Ethological Coding System for Interviews. Symptoms, satisfaction with communication and the quality of the therapeutic relationship were also measured. Over time, patients' non-verbal behaviour remained stable, whilst psychiatrists' flight behaviour decreased. Patients formed two groups based on their non-verbal profiles, one group (n = 25) displaying pro-social behaviour, inviting interaction and a second (n = 15) displaying flight behaviour, avoiding interaction. Psychiatrists interacting with pro-social patients displayed more pro-social behaviours (P communication (P non-verbal behaviour during routine psychiatric consultations remains unchanged, and is linked to both their psychiatrist's non-verbal behaviour and the quality of the therapeutic relationship. © 2014 The Authors. Acta Psychiatrica Scandinavica Published by John Wiley & Sons Ltd.

Memory integration in amnesia: prior knowledge supports verbal short-term memory.

Science.gov (United States)

Race, Elizabeth; Palombo, Daniela J; Cadden, Margaret; Burke, Keely; Verfaellie, Mieke

2015-04-01

Short-term memory (STM) and long-term memory (LTM) have traditionally been considered cognitively distinct. However, it is known that STM can improve when to-be-remembered information appears in contexts that make contact with prior knowledge, suggesting a more interactive relationship between STM and LTM. The current study investigated whether the ability to leverage LTM in support of STM critically depends on the integrity of the hippocampus. Specifically, we investigated whether the hippocampus differentially supports between-domain versus within-domain STM-LTM integration given prior evidence that the representational domain of the elements being integrated in memory is a critical determinant of whether memory performance depends on the hippocampus. In Experiment 1, we investigated hippocampal contributions to within-domain STM-LTM integration by testing whether immediate verbal recall of words improves in MTL amnesic patients when words are presented in familiar verbal contexts (meaningful sentences) compared to unfamiliar verbal contexts (random word lists). Patients demonstrated a robust sentence superiority effect, whereby verbal STM performance improved in familiar compared to unfamiliar verbal contexts, and the magnitude of this effect did not differ from that in controls. In Experiment 2, we investigated hippocampal contributions to between-domain STM-LTM integration by testing whether immediate verbal recall of digits improves in MTL amnesic patients when digits are presented in a familiar visuospatial context (a typical keypad layout) compared to an unfamiliar visuospatial context (a random keypad layout). Immediate verbal recall improved in both patients and controls when digits were presented in the familiar compared to the unfamiliar keypad array, indicating a preserved ability to integrate activated verbal information with stored visuospatial knowledge. Together, these results demonstrate that immediate verbal recall in amnesia can benefit from two

Boosting Vocabulary Learning by Verbal Cueing During Sleep.

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Schreiner, Thomas; Rasch, Björn

2015-11-01

Reactivating memories during sleep by re-exposure to associated memory cues (e.g., odors or sounds) improves memory consolidation. Here, we tested for the first time whether verbal cueing during sleep can improve vocabulary learning. We cued prior learned Dutch words either during non-rapid eye movement sleep (NonREM) or during active or passive waking. Re-exposure to Dutch words during sleep improved later memory for the German translation of the cued words when compared with uncued words. Recall of uncued words was similar to an additional group receiving no verbal cues during sleep. Furthermore, verbal cueing failed to improve memory during active and passive waking. High-density electroencephalographic recordings revealed that successful verbal cueing during NonREM sleep is associated with a pronounced frontal negativity in event-related potentials, a higher frequency of frontal slow waves as well as a cueing-related increase in right frontal and left parietal oscillatory theta power. Our results indicate that verbal cues presented during NonREM sleep reactivate associated memories, and facilitate later recall of foreign vocabulary without impairing ongoing consolidation processes. Likewise, our oscillatory analysis suggests that both sleep-specific slow waves as well as theta oscillations (typically associated with successful memory encoding during wakefulness) might be involved in strengthening memories by cueing during sleep. © The Author 2014. Published by Oxford University Press. All rights reserved. For Permissions, please e-mail: journals.permissions@oup.com.

Skinner's verbal behavior, Chomsky's review, and mentalism.

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Stemmer, N

1990-01-01

Skinner's Verbal Behavior (1957) is a comprehensive treatise that deals with most aspects of verbal behavior. However, its treatment of the learning of grammatical behavior has been challenged repeatedly (e.g., Chomsky, 1959). The present paper will attempt to show that the learning of grammar and syntax can be dealt with adequately within a behavior-analytic framework. There is no need to adopt mentalist (or cognitivist) positions or to add mentalist elements to behaviorist theories. PMID:2103585

Parts of Speech in Non-typical Function: (Asymmetrical Encoding of Non-verbal Predicates in Erzya

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Rigina Turunen

2011-01-01

Full Text Available Erzya non-verbal conjugation refers to symmetric paradigms in which non-verbal predicates behave morphosyntactically in a similar way to verbal predicates. Notably, though, non-verbal conjugational paradigms are asymmetric, which is seen as an outcome of paradigmatic neutralisation in less frequent/less typical contexts. For non-verbal predicates it is not obligatory to display the same amount of behavioural potential as it is for verbal predicates, and the lexical class of non-verbal predicate operates in such a way that adjectival predicates are more likely to be conjugated than nominals. Further, besides symmetric paradigms and constructions, in Erzya there are non-verbal predicate constructions which display a more overt structural encoding than do verbal ones, namely, copula constructions. Complexity in the domain of non-verbal predication in Erzya decreases the symmetry of the paradigms. Complexity increases in asymmetric constructions, as well as in paradigmatic neutralisation when non-verbal predicates cannot be inflected in all the tenses and moods occurring in verbal predication. The results would be the reverse if we were to measure complexity in terms of the morphological structure. The asymmetric features in non-verbal predication are motivated language-externally, because non-verbal predicates refer to states and occur less frequently as predicates than verbal categories. The symmetry of the paradigms and constructions is motivated language-internally: a grammatical system with fewer rules is economical.

Arbitrarily elliptical-cylindrical invisible cloaking

International Nuclear Information System (INIS)

Jiang Weixiang; Cui Tiejun; Yu Guanxia; Lin Xianqi; Cheng Qiang; Chin, J Y

2008-01-01

Based on the idea of coordinate transformation (Pendry, Schurig and Smith 2006 Science 312 1780), arbitrarily elliptical-cylindrical cloaks are proposed and designed. The elliptical cloak, which is composed of inhomogeneous anisotropic metamaterials in an elliptical-shell region, will deflect incoming electromagnetic (EM) waves and guide them to propagate around the inner elliptical region. Such EM waves will return to their original propagation directions without distorting the waves outside the elliptical cloak. General formulations of the inhomogeneous and anisotropic permittivity and permeability tensors are derived for arbitrarily elliptical axis ratio k, which can also be used for the circular cloak when k = 1. Hence the elliptical cloaks can make a large range of objects invisible, from round objects (when k approaches 1) to long and thin objects (when k is either very large or very small). We also show that the material parameters in elliptical cloaking are singular at only two points, instead of on the whole inner circle for circular cloaking, which are much easier to be realized in actual applications. Full-wave simulations are given to validate the arbitrarily elliptical cloaking

A pilot study to test an intervention for dealing with verbal aggression.

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McLaughlin, Sue; Bonner, Gwen; Mboche, Catherine; Fairlie, Trish

Verbal aggression has been defined as communication with an intention to harm an individual through words, tone or manner, regardless of whether harm occurs. It includes verbal threat to harm, ridicule, openly hostile remarks, unjust persistent criticism, shouting or yelling insults, as well as more covert actions such as spreading hurtful rumours (Cox, 1987; Farrell et al, 2006). Receiving verbal aggression from a patient has been closely associated with psychological distress which may negatively affect work performance. A verbal aggression work book was developed to help nursing staff to deal with verbal aggression from patients in clinical practice. This was piloted over a six-week period with 18 nurses working on one acute psychiatric inpatient ward. Findings revealed that the intervention had some promising effects. However, much more attention needs to be paid to changing attitudes towards verbal aggression.

Guidelines for Teaching Non-Verbal Communications Through Visual Media

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Kundu, Mahima Ranjan

1976-01-01

There is a natural unique relationship between non-verbal communication and visual media such as television and film. Visual media will have to be used extensively--almost exclusively--in teaching non-verbal communications, as well as other methods requiring special teaching skills. (Author/ER)