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Sample records for video clips related

  1. Using Video Clips To Teach Social Psychology.

    Science.gov (United States)

    Roskos-Ewoldsen, David R.; Roskos-Ewoldsen, Beverly

    2001-01-01

    Explores the effectiveness of using short video clips from feature films to highlight theoretical concepts when teaching social psychology. Reveals that short video clips have many of the same advantages as showing full-length films and demonstrates that students saw the use of these clips as an effective tool. (CMK)

  2. Memory Facilitation effect in Interaction between Video Clips and Music

    OpenAIRE

    吉岡, 賢治; 岩永, 誠

    2007-01-01

    Previous studies examined memories of video clips under the condition of affects combination of pictures and music. Video clips, which were combined with music in same impressions, were easy to remember their contents. The present study aimed to examine the memory facilitation about pictures in two perspectives, the strength of affects and the distribution of the processing recourses. Participants were 39 undergraduate volunteers, who were divided into three experimental conditions randomly. ...

  3. Teaching professionalism to first year medical students using video clips.

    Science.gov (United States)

    Shevell, Allison Haley; Thomas, Aliki; Fuks, Abraham

    2015-01-01

    Medical schools are confronted with the challenge of teaching professionalism during medical training. The aim of this study was to examine medical students' perceptions of using video clips as a beneficial teaching tool to learn professionalism and other aspects of physicianship. As part of the longitudinal Physician Apprenticeship course at McGill University, first year medical students viewed video clips from the television series ER. The study used qualitative description and thematic analysis to interpret responses to questionnaires, which explored the educational merits of this exercise. Completed questionnaires were submitted by 112 students from 21 small groups. A major theme concerned the students' perceptions of the utility of video clips as a teaching tool, and consisted of comments organized into 10 categories: "authenticity and believability", "thought provoking", "skills and approaches", "setting", "medium", "level of training", "mentorship", "experiential learning", "effectiveness" and "relevance to practice". Another major theme reflected the qualities of physicianship portrayed in video clips, and included seven categories: "patient-centeredness", "communication", "physician-patient relationship", "professionalism", "ethical behavior", "interprofessional practice" and "mentorship". This study demonstrated that students perceived the value of using video clips from a television series as a means of teaching professionalism and other aspects of physicianship.

  4. Video Clips for Youtube: Collaborative Video Creation as an Educational Concept for Knowledge Acquisition and Attitude Change Related to Obesity Stigmatization

    Science.gov (United States)

    Zahn, Carmen; Schaeffeler, Norbert; Giel, Katrin Elisabeth; Wessel, Daniel; Thiel, Ansgar; Zipfel, Stephan; Hesse, Friedrich W.

    2014-01-01

    Mobile phones and advanced web-based video tools have pushed forward new paradigms for using video in education: Today, students can readily create and broadcast their own digital videos for others and create entirely new patterns of video-based information structures for modern online-communities and multimedia environments. This paradigm shift…

  5. Student Views on Learning Environments Enriched by Video Clips

    Science.gov (United States)

    Kosterelioglu, Ilker

    2016-01-01

    This study intended to identify student views regarding the enrichment of instructional process via video clips based on the goals of the class. The study was conducted in Educational Psychology classes at Amasya University Faculty of Education during the 2012-2013 academic year. The study was implemented on students in the Classroom Teaching and…

  6. COMPOSITIONAL AND CONTENT-RELATED PARTICULARITIES OF POLITICAL MEDIA TEXTS (THROUGH THE EXAMPLE OF THE TEXTS OF POLITICAL VIDEO CLIPS ISSUED BY THE CANDIDATES FOR PRESIDENCY IN FRANCE IN 2017

    Directory of Open Access Journals (Sweden)

    Dmitrieva, A.V.

    2017-09-01

    Full Text Available The article examines the texts of political advertising video clips issued by the candidates for presidency in France during the campaign before the first round of elections in 2017. The mentioned examples of media texts are analysed from the compositional point of view as well as from that of the content particularities which are directly connected to the text structure. In general, the majority of the studied clips have a similar structure and consist of three parts: introduction, main part and conclusion. However, as a result of the research, a range of advantages marking well-structured videos was revealed. These include: addressing the voters and stating the speech topic clearly at the beginning of the clip, a relevant attention-grabbing opening phrase, consistency and clarity of the information presentation, appropriate use of additional video plots, conclusion at the end of the clip.

  7. The use of video clips in teleconsultation for preschool children with movement disorders.

    Science.gov (United States)

    Gorter, Hetty; Lucas, Cees; Groothuis-Oudshoorn, Karin; Maathuis, Carel; van Wijlen-Hempel, Rietje; Elvers, Hans

    2013-01-01

    To investigate the reliability and validity of video clips in assessing movement disorders in preschool children. The study group included 27 children with neuromotor concerns. The explorative validity group included children with motor problems (n = 21) or with typical development (n = 9). Hempel screening was used for live observation of the child, full recording, and short video clips. The explorative study tested the validity of the clinical classifications "typical" or "suspect." Agreement between live observation and the full recording was almost perfect; Agreement for the clinical classification "typical" or "suspect" was substantial. Agreement between the full recording and short video clips was substantial to moderate. The explorative validity study, based on short video clips and the presence of a neuromotor developmental disorder, showed substantial agreement. Hempel screening enables reliable and valid observation of video clips, but further research is necessary to demonstrate the predictive value.

  8. Fault Diagnosis of Motor Bearing by Analyzing a Video Clip

    Directory of Open Access Journals (Sweden)

    Siliang Lu

    2016-01-01

    Full Text Available Conventional bearing fault diagnosis methods require specialized instruments to acquire signals that can reflect the health condition of the bearing. For instance, an accelerometer is used to acquire vibration signals, whereas an encoder is used to measure motor shaft speed. This study proposes a new method for simplifying the instruments for motor bearing fault diagnosis. Specifically, a video clip recording of a running bearing system is captured using a cellphone that is equipped with a camera and a microphone. The recorded video is subsequently analyzed to obtain the instantaneous frequency of rotation (IFR. The instantaneous fault characteristic frequency (IFCF of the defective bearing is obtained by analyzing the sound signal that is recorded by the microphone. The fault characteristic order is calculated by dividing IFCF by IFR to identify the fault type of the bearing. The effectiveness and robustness of the proposed method are verified by a series of experiments. This study provides a simple, flexible, and effective solution for motor bearing fault diagnosis. Given that the signals are gathered using an affordable and accessible cellphone, the proposed method is proven suitable for diagnosing the health conditions of bearing systems that are located in remote areas where specialized instruments are unavailable or limited.

  9. Public awareness of melioidosis in Thailand and potential use of video clips as educational tools.

    Directory of Open Access Journals (Sweden)

    Praveen Chansrichavala

    Full Text Available Melioidosis causes more than 1,000 deaths in Thailand each year. Infection occurs via inoculation, ingestion or inhalation of the causative organism (Burkholderia pseuodmallei present in soil and water. Here, we evaluated public awareness of melioidosis using a combination of population-based questionnaire, a public engagement campaign to obtain video clips made by the public, and viewpoints on these video clips as potential educational tools about the disease and its prevention.A questionnaire was developed to evaluate public awareness of melioidosis, and knowledge about its prevention. From 1 March to 31 April 2012, the questionnaire was delivered to five randomly selected adults in each of 928 districts in Thailand. A video clip contest entitled "Melioidosis, an infectious disease that Thais must know" was run between May and October 2012. The best 12 video clips judged by a contest committee were shown to 71 people at risk from melioidosis (diabetics. Focus group interviews were used to evaluate their perceptions of the video clips.Of 4,203 Thais who completed our study questionnaire, 74% had never heard of melioidosis, and 19% had heard of the disease but had no further knowledge. Most participants in all focus group sessions felt that video clips were beneficial and could positively influence them to increase adherence to recommended preventive behaviours, including drinking boiled water and wearing protective gear if in contact with soil or environmental water. Participants suggested that video clips should be presented in the local dialect with simple words rather than medical terms, in a serious manner, with a doctor as the one presenting the facts, and having detailed pictures of each recommended prevention method.In summary, public awareness of melioidosis in Thailand is very low, and video clips could serve as a useful medium to educate people and promote disease prevention.World Melioidosis Congress 2013, Bangkok, Thailand, 18

  10. The Narrative Analysis of the Discourse on Homosexual BDSM Pornograhic Video Clips of The Manhunt Variety

    Directory of Open Access Journals (Sweden)

    Milica Vasić

    2016-02-01

    Full Text Available In this paper we have analyzed the ideal-type model of the story which represents the basic framework of action in Manhunt category pornographic internet video clips, using narrative analysis methods of Claude Bremond. The results have shown that it is possible to apply the theoretical model to elements of visual and mass culture, with certain modifications and taking into account the wider context of the narrative itself. The narrative analysis indicated the significance of researching categories of pornography on the internet, because it leads to a deep analysis of the distribution of power in relations between the categories of heterosexual and homosexual within a virtual environment.

  11. Emotion Index of Cover Song Music Video Clips based on Facial Expression Recognition

    DEFF Research Database (Denmark)

    Vidakis, Nikolaos; Kavallakis, George; Triantafyllidis, Georgios

    2017-01-01

    This paper presents a scheme of creating an emotion index of cover song music video clips by recognizing and classifying facial expressions of the artist in the video. More specifically, it fuses effective and robust algorithms which are employed for expression recognition, along with the use of ...... of a neural network system using the features extracted by the SIFT algorithm. Also we support the need of this fusion of different expression recognition algorithms, because of the way that emotions are linked to facial expressions in music video clips.......This paper presents a scheme of creating an emotion index of cover song music video clips by recognizing and classifying facial expressions of the artist in the video. More specifically, it fuses effective and robust algorithms which are employed for expression recognition, along with the use...

  12. Facial attractiveness ratings from video-clips and static images tell the same story.

    Science.gov (United States)

    Rhodes, Gillian; Lie, Hanne C; Thevaraja, Nishta; Taylor, Libby; Iredell, Natasha; Curran, Christine; Tan, Shi Qin Claire; Carnemolla, Pia; Simmons, Leigh W

    2011-01-01

    Most of what we know about what makes a face attractive and why we have the preferences we do is based on attractiveness ratings of static images of faces, usually photographs. However, several reports that such ratings fail to correlate significantly with ratings made to dynamic video clips, which provide richer samples of appearance, challenge the validity of this literature. Here, we tested the validity of attractiveness ratings made to static images, using a substantial sample of male faces. We found that these ratings agreed very strongly with ratings made to videos of these men, despite the presence of much more information in the videos (multiple views, neutral and smiling expressions and speech-related movements). Not surprisingly, given this high agreement, the components of video-attractiveness were also very similar to those reported previously for static-attractiveness. Specifically, averageness, symmetry and masculinity were all significant components of attractiveness rated from videos. Finally, regression analyses yielded very similar effects of attractiveness on success in obtaining sexual partners, whether attractiveness was rated from videos or static images. These results validate the widespread use of attractiveness ratings made to static images in evolutionary and social psychological research. We speculate that this validity may stem from our tendency to make rapid and robust judgements of attractiveness.

  13. Emotion Index of Cover Song Music Video Clips based on Facial Expression Recognition

    DEFF Research Database (Denmark)

    Kavallakis, George; Vidakis, Nikolaos; Triantafyllidis, Georgios

    2017-01-01

    This paper presents a scheme of creating an emotion index of cover song music video clips by recognizing and classifying facial expressions of the artist in the video. More specifically, it fuses effective and robust algorithms which are employed for expression recognition, along with the use...... of a neural network system using the features extracted by the SIFT algorithm. Also we support the need of this fusion of different expression recognition algorithms, because of the way that emotions are linked to facial expressions in music video clips....

  14. The effect of music video clips on adolescent boys' body image, mood, and schema activation.

    Science.gov (United States)

    Mulgrew, Kate E; Volcevski-Kostas, Diana; Rendell, Peter G

    2014-01-01

    There is limited research that has examined experimentally the effects of muscular images on adolescent boys' body image, with no research specifically examining the effects of music television. The aim of the current study was to examine the effects of viewing muscular and attractive singers in music video clips on early, mid, and late adolescent boys' body image, mood, and schema activation. Participants were 180 boys in grade 7 (mean age = 12.73 years), grade 9 (mean age = 14.40 years) or grade 11 (mean age = 16.15 years) who completed pre- and post-test measures of mood and body satisfaction after viewing music videos containing male singers of muscular or average appearance. They also completed measures of schema activation and social comparison after viewing the clips. The results showed that the boys who viewed the muscular clips reported poorer upper body satisfaction, lower appearance satisfaction, lower happiness, and more depressive feelings compared to boys who viewed the clips depicting singers of average appearance. There was no evidence of increased appearance schema activation but the boys who viewed the muscular clips did report higher levels of social comparison to the singers. The results suggest that music video clips are a powerful form of media in conveying information about the male ideal body shape and that negative effects are found in boys as young as 12 years.

  15. 78 FR 78319 - Media Bureau Seeks Comment on Application of the IP Closed Captioning Rules to Video Clips

    Science.gov (United States)

    2013-12-26

    ... COMMISSION 47 CFR Part 79 Media Bureau Seeks Comment on Application of the IP Closed Captioning Rules to... seeks updated information on the closed captioning of video clips delivered by Internet protocol (``IP''), including the extent to which industry has voluntarily captioned IP- delivered video clips. The Commission...

  16. Engaging Students: Using Video Clips of Authentic Client Interactions in Pre-Clinical Veterinary Medical Education.

    Science.gov (United States)

    Hafen, McArthur; Siqueira Drake, Adryanna A; Rush, Bonnie R; Sibley, D Scott

    2015-01-01

    The present study evaluated third-year veterinary medical students' perceptions of a communication lab protocol. The protocol used clips of fourth-year veterinary medical students working with authentic clients. These clips supplemented course material. Clips showed examples of proficient communication as well as times of struggle for fourth-year students. Third-year students were asked to critique interactions during class. One hundred and eight third-year students provided feedback about the communication lab. While initial interest in communication proved low, interest in communication training at the end of the course increased substantially. The majority of students cited watching videos clips of authentic client interactions as being an important teaching tool.

  17. Microanalysis on selected video clips with focus on communicative response in music therapy

    DEFF Research Database (Denmark)

    Ridder, Hanne Mette Ochsner

    2007-01-01

    session is obtained with the help of a session-graph that is a systematic way of collecting video observations from one music therapy session and combining the data in one figure. The systematic procedures do not demand sophisticated computer equipment; only standard programmes such as Excel and a media......This chapter describes a five-step procedure for video analysis where the topic of investigation is the communicative response of clients in music therapy. In this microanalysis procedure only very short video clips are used, and in order to select these clips an overview of each music therapy...... player. They are based on individual music therapy work with a population who are difficult to engage in joint activities and who show little response (e.g. persons suffering from severe dementia). The video analysis tools might be relevant to other groups of clients where it is important to form a clear...

  18. Peer teaching in medical sciences through video clips – a case study

    African Journals Online (AJOL)

    Background. Anecdotally, 2015 was declared the year of the selfie. The theme of selfies is used as an opportunity to engage neuroanatomy students by drawing from it as a newly created art form by means of models and video clips. Objectives. To provide a synopsis of student perceptions of a team project to inform further ...

  19. The Use of Video Clips in Teleconsultation for Preschool Children With Movement Disorders

    NARCIS (Netherlands)

    Gorter, Hetty; Lucas, Cees; Groothuis-Oudshoorn, Catharina Gerarda Maria; Maathuis, Carel; van Wijlen-Hempel, Rietje; Elvers, Hans

    2013-01-01

    Purpose: To investigate the reliability and validity of video clips in assessing movement disorders in preschool children. Methods: The study group included 27 children with neuromotor concerns. The explorative validity group included children with motor problems (n = 21) or with typical development

  20. Real-time video streaming of sonographic clips using domestic internet networks and free videoconferencing software.

    Science.gov (United States)

    Liteplo, Andrew S; Noble, Vicki E; Attwood, Ben H C

    2011-11-01

    As the use of point-of-care sonography spreads, so too does the need for remote expert over-reading via telesonogrpahy. We sought to assess the feasibility of using familiar, widespread, and cost-effective existent technology to allow remote over-reading of sonograms in real time and to compare 4 different methods of transmission and communication for both the feasibility of transmission and image quality. Sonographic video clips were transmitted using 2 different connections (WiFi and 3G) and via 2 different videoconferencing modalities (iChat [Apple Inc, Cupertino, CA] and Skype [Skype Software Sàrl, Luxembourg]), for a total of 4 different permutations. The clips were received at a remote location and recorded and then scored by expert reviewers for image quality, resolution, and detail. Wireless transmission of sonographic clips was feasible in all cases when WiFi was used and when Skype was used over a 3G connection. Images transmitted via a WiFi connection were statistically superior to those transmitted via 3G in all parameters of quality (average P = .031), and those sent by iChat were superior to those sent by Skype but not statistically so (average P = .057). Wireless transmission of sonographic video clips using inexpensive hardware, free videoconferencing software, and domestic Internet networks is feasible with retention of image quality sufficient for interpretation. WiFi transmission results in greater image quality than transmission by a 3G network.

  1. Microsurgical Clipping of an Unruptured Carotid Cave Aneurysm: 3-Dimensional Operative Video.

    Science.gov (United States)

    Tabani, Halima; Yousef, Sonia; Burkhardt, Jan-Karl; Gandhi, Sirin; Benet, Arnau; Lawton, Michael T

    2017-08-01

    Most aneurysms originating from the clinoidal segment of the internal carotid artery (ICA) are nowadays managed conservatively, treated endovascularly with coiling (with or without stenting) or flow diverters. However, microsurgical clip occlusion remains an alternative. This video demonstrates clip occlusion of an unruptured right carotid cave aneurysm measuring 7 mm in a 39-year-old woman. The patient opted for surgery because of concerns about prolonged antiplatelet use associated with endovascular therapy. After patient consent, a standard pterional craniotomy was performed followed by extradural anterior clinoidectomy. After dural opening and sylvian fissure split, a clinoidal flap was opened to enter the extradural space around the clinoidal segment. The dural ring was dissected circumferentially, freeing the medial wall of the ICA down to the sellar region and mobilizing the ICA out of its canal of the clinoidal segment. With the aneurysm neck in view, the aneurysm was clipped with a 45° angled fenestrated clip over the ICA. Indocyanine green angiography confirmed no further filling of the aneurysm and patency of the ICA. Complete aneurysm occlusion was confirmed with postoperative angiography, and the patient had no neurologic deficits (Video 1). This case demonstrates the importance of anterior clinoidectomy and thorough distal dural ring dissection for effective clipping of carotid cave aneurysms. Control of venous bleeding from the cavernous sinus with fibrin glue injection simplifies the dissection, which should minimize manipulation of the optic nerve. Knowledge of this anatomy and proficiency with these techniques is important in an era of declining open aneurysm cases. Copyright © 2017 Elsevier Inc. All rights reserved.

  2. Short term exposure to attractive and muscular singers in music video clips negatively affects men's body image and mood.

    Science.gov (United States)

    Mulgrew, K E; Volcevski-Kostas, D

    2012-09-01

    Viewing idealized images has been shown to reduce men's body satisfaction; however no research has examined the impact of music video clips. This was the first study to examine the effects of exposure to muscular images in music clips on men's body image, mood and cognitions. Ninety men viewed 5 min of clips containing scenery, muscular or average-looking singers, and completed pre- and posttest measures of mood and body image. Appearance schema activation was also measured. Men exposed to the muscular clips showed poorer posttest levels of anger, body and muscle tone satisfaction compared to men exposed to the scenery or average clips. No evidence of schema activation was found, although potential problems with the measure are noted. These preliminary findings suggest that even short term exposure to music clips can produce negative effects on men's body image and mood. Copyright © 2012 Elsevier Ltd. All rights reserved.

  3. Newspaper Clippings and Articles (Weather-related)

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — Weather-related newspaper articles and photos, almost exclusively from Baltimore, MD and nearby areas. Includes storm damage, rainfall reports, and weather's affect...

  4. Electroencephalography Amplitude Modulation Analysis for Automated Affective Tagging of Music Video Clips

    Directory of Open Access Journals (Sweden)

    Andrea Clerico

    2018-01-01

    Full Text Available The quantity of music content is rapidly increasing and automated affective tagging of music video clips can enable the development of intelligent retrieval, music recommendation, automatic playlist generators, and music browsing interfaces tuned to the users' current desires, preferences, or affective states. To achieve this goal, the field of affective computing has emerged, in particular the development of so-called affective brain-computer interfaces, which measure the user's affective state directly from measured brain waves using non-invasive tools, such as electroencephalography (EEG. Typically, conventional features extracted from the EEG signal have been used, such as frequency subband powers and/or inter-hemispheric power asymmetry indices. More recently, the coupling between EEG and peripheral physiological signals, such as the galvanic skin response (GSR, have also been proposed. Here, we show the importance of EEG amplitude modulations and propose several new features that measure the amplitude-amplitude cross-frequency coupling per EEG electrode, as well as linear and non-linear connections between multiple electrode pairs. When tested on a publicly available dataset of music video clips tagged with subjective affective ratings, support vector classifiers trained on the proposed features were shown to outperform those trained on conventional benchmark EEG features by as much as 6, 20, 8, and 7% for arousal, valence, dominance and liking, respectively. Moreover, fusion of the proposed features with EEG-GSR coupling features showed to be particularly useful for arousal (feature-level fusion and liking (decision-level fusion prediction. Together, these findings show the importance of the proposed features to characterize human affective states during music clip watching.

  5. Judgments of Nonverbal Behaviour by Children with High-Functioning Autism Spectrum Disorder: Can They Detect Signs of Winning and Losing from Brief Video Clips?

    Science.gov (United States)

    Ryan, Christian; Furley, Philip; Mulhall, Kathleen

    2016-01-01

    Typically developing children are able to judge who is winning or losing from very short clips of video footage of behaviour between active match play across a number of sports. Inferences from "thin slices" (short video clips) allow participants to make complex judgments about the meaning of posture, gesture and body language. This…

  6. The low interaction of viewers of video clips on the internet The case study of YouTube Spain

    Directory of Open Access Journals (Sweden)

    Ana Jorge-Alonso, Ph.D.

    2010-01-01

    Full Text Available This research study demonstrates that viewers of video clips on the Internet adopt a viewing attitude that is as passive as the one adopted when watching unidirectional and traditional media. Research on the attitude of the viewer of video clips on the Internet is almost non-existent. The authors dispute the widespread myths and the few studies that suggest that most Internet users exercise the interactive potentiality of this medium. The article focuses on Youtube Spain as the main referent of video consumption over the Internet, and demonstrates the initial hypothesis with quantitative data. Their methodology studies the behaviour of Internet users by analysing 278 videos and 650,884,405 visits registered until the end of 2009. These results shed light on many questions, and open other interesting lines of research.

  7. Changes in salivary testosterone concentrations and subsequent voluntary squat performance following the presentation of short video clips.

    Science.gov (United States)

    Cook, Christian J; Crewther, Blair T

    2012-01-01

    Previous studies have shown that visual images can produce rapid changes in testosterone concentrations. We explored the acute effects of video clips on salivary testosterone and cortisol concentrations and subsequent voluntary squat performance in highly trained male athletes (n=12). Saliva samples were collected on 6 occasions immediately before and 15 min after watching a brief video clip (approximately 4 min in duration) on a computer screen. The watching of a sad, erotic, aggressive, training motivational, humorous or a neutral control clip was randomised. Subjects then performed a squat workout aimed at producing a 3 repetition maximum (3RM) lift. Significant (Ppre-workout environment offers an opportunity for understanding the outcomes of hormonal change, athlete behaviour and subsequent voluntary performance. Copyright © 2011 Elsevier Inc. All rights reserved.

  8. Facial esthetics and the assignment of personality traits before and after orthognathic surgery rated on video clips.

    Science.gov (United States)

    Sinko, Klaus; Jagsch, Reinhold; Drog, Claudio; Mosgoeller, Wilhelm; Wutzl, Arno; Millesi, Gabriele; Klug, Clemens

    2018-01-01

    Typically, before and after surgical correction faces are assessed on still images by surgeons, orthodontists, the patients, and family members. We hypothesized that judgment of faces in motion and by naïve raters may closer reflect the impact on patients' real life, and the treatment impact on e.g. career chances. Therefore we assessed faces from dysgnathic patients (Class II, III and Laterognathia) on video clips. Class I faces served as anchor and controls. Each patient's face was assessed twice before and after treatment in changing sequence, by 155 naïve raters with similar age to the patients. The raters provided independent estimates on aesthetic trait pairs like ugly /beautiful, and personality trait pairs like dominant /flexible. Furthermore the perception of attractiveness, intelligence, health, the persons' erotic aura, faithfulness, and five additional items were rated. We estimated the significance of the perceived treatment related differences and the respective effect size by general linear models for repeated measures. The obtained results were comparable to our previous rating on still images. There was an overall trend, that faces in video clips are rated along common stereotypes to a lesser extent than photographs. We observed significant class differences and treatment related changes of most aesthetic traits (e.g. beauty, attractiveness), these were comparable to intelligence, erotic aura and to some extend healthy appearance. While some personality traits (e.g. faithfulness) did not differ between the classes and between baseline and after treatment, we found that the intervention significantly and effectively altered the perception of the personality trait self-confidence. The effect size was highest in Class III patients, smallest in Class II patients, and in between for patients with Laterognathia. All dysgnathic patients benefitted from orthognathic surgery. We conclude that motion can mitigate marked stereotypes but does not entirely

  9. Using Relevant Video Clips from Popular Media to Enhance Learning in Large Introductory Psychology Classes: A Pilot Study

    Science.gov (United States)

    Rowland-Bryant, Emily; Skinner, Amy L.; Dixon, Lee; Skinner, Christopher H.; Saudargas, Richard

    2011-01-01

    The purpose of this study was to enhance students' learning by supplementing a multimedia lesson with interesting and relevant video clips (VCs). Undergraduate students watched a target material PowerPoint (tmPP) presentation with voice-over lecture covering the Big Five trait theory of personality. Students were randomly assigned to one of four…

  10. The Application of Video Clips with Small Group and Individual Activities to Improve Young Learners' Speaking Performance

    Science.gov (United States)

    Muslem, Asnawi; Mustafa, Faisal; Usman, Bustami; Rahman, Aulia

    2017-01-01

    This study investigated whether the application of video clips with small groups or with individual teaching-learning activities improved the speaking skills of young EFL learners the most; accordingly a quasi-experimental study with a pre-test, post-test design was done. The instrument used in this study was a test in the form of an oral test or…

  11. High-Frequency Electroencephalographic Activity in Left Temporal Area Is Associated with Pleasant Emotion Induced by Video Clips

    Directory of Open Access Journals (Sweden)

    Jukka Kortelainen

    2015-01-01

    Full Text Available Recent findings suggest that specific neural correlates for the key elements of basic emotions do exist and can be identified by neuroimaging techniques. In this paper, electroencephalogram (EEG is used to explore the markers for video-induced emotions. The problem is approached from a classifier perspective: the features that perform best in classifying person’s valence and arousal while watching video clips with audiovisual emotional content are searched from a large feature set constructed from the EEG spectral powers of single channels as well as power differences between specific channel pairs. The feature selection is carried out using a sequential forward floating search method and is done separately for the classification of valence and arousal, both derived from the emotional keyword that the subject had chosen after seeing the clips. The proposed classifier-based approach reveals a clear association between the increased high-frequency (15–32 Hz activity in the left temporal area and the clips described as “pleasant” in the valence and “medium arousal” in the arousal scale. These clips represent the emotional keywords amusement and joy/happiness. The finding suggests the occurrence of a specific neural activation during video-induced pleasant emotion and the possibility to detect this from the left temporal area using EEG.

  12. Integrating customised video clips into The veterinary nursing curriculum to enhance practical competency training and the development of student confidence

    OpenAIRE

    Dunne, Karen; Brereton, Bernadette; Bree, Ronan; Dallat, John

    2015-01-01

    Competency training is a critical aspect of veterinary nursing education, as graduates must complete a practical competency assessment prior to registration as a veterinary nurse. Despite this absolute requirement for practical training across a range of domestic animal species, there is a lack of published literature on optimal teaching approaches. The aim of this project was to assess the value of customised video clips in the practical skills training of veterinary nursing students. The ef...

  13. Habitat diversity in the Northeastern Gulf of Mexico: Selected video clips from the Gulfstream Natural Gas Pipeline digital archive

    Science.gov (United States)

    Raabe, Ellen A.; D'Anjou, Robert; Pope, Domonique K.; Robbins, Lisa L.

    2011-01-01

    This project combines underwater video with maps and descriptions to illustrate diverse seafloor habitats from Tampa Bay, Florida, to Mobile Bay, Alabama. A swath of seafloor was surveyed with underwater video to 100 meters (m) water depth in 1999 and 2000 as part of the Gulfstream Natural Gas System Survey. The U.S. Geological Survey (USGS) in St. Petersburg, Florida, in cooperation with Eckerd College and the Florida Department of Environmental Protection (FDEP), produced an archive of analog-to-digital underwater movies. Representative clips of seafloor habitats were selected from hundreds of hours of underwater footage. The locations of video clips were mapped to show the distribution of habitat and habitat transitions. The numerous benthic habitats in the northeastern Gulf of Mexico play a vital role in the region's economy, providing essential resources for tourism, natural gas, recreational water sports (fishing, boating, scuba diving), materials, fresh food, energy, a source of sand for beach renourishment, and more. These submerged natural resources are important to the economy but are often invisible to the general public. This product provides a glimpse of the seafloor with sample underwater video, maps, and habitat descriptions. It was developed to depict the range and location of seafloor habitats in the region but is limited by depth and by the survey track. It should not be viewed as comprehensive, but rather as a point of departure for inquiries and appreciation of marine resources and seafloor habitats. Further information is provided in the Resources section.

  14. Adventure Racing and Organizational Behavior: Using Eco Challenge Video Clips to Stimulate Learning

    Science.gov (United States)

    Kenworthy-U'Ren, Amy; Erickson, Anthony

    2009-01-01

    In this article, the Eco Challenge race video is presented as a teaching tool for facilitating theory-based discussion and application in organizational behavior (OB) courses. Before discussing the intricacies of the video series itself, the authors present a pedagogically based rationale for using reality TV-based video segments in a classroom…

  15. CATEGORIZATION OF PORNOGRAPHIC VIDEO CLIPS ON THE INTERNET: A COGNITIVE ANTHROPOLOGICAL APPROACH

    OpenAIRE

    Vucurovic Vasic, Milica

    2013-01-01

    Anthropological study of the Internet pornography can refer to the cultural communication between the creators of the contents and authors of pornographic sites, as well as between the authors of sites and users, the latter being more relevant to this work as it assumes supracultural activities on the Internet and comprises the pornography users as a distinct population. The aim of this study is to determine, through the categorization of porn clips in the Internet, cognitive schemes and cult...

  16. Microsurgical Clipping of an Anterior Communicating Artery Aneurysm Using a Novel Robotic Visualization Tool in Lieu of the Binocular Operating Microscope: Operative Video.

    Science.gov (United States)

    Klinger, Daniel R; Reinard, Kevin A; Ajayi, Olaide O; Delashaw, Johnny B

    2018-01-01

    The binocular operating microscope has been the visualization instrument of choice for microsurgical clipping of intracranial aneurysms for many decades. To discuss recent technological advances that have provided novel visualization tools, which may prove to be superior to the binocular operating microscope in many regards. We present an operative video and our operative experience with the BrightMatterTM Servo System (Synaptive Medical, Toronto, Ontario, Canada) during the microsurgical clipping of an anterior communicating artery aneurysm. To the best of our knowledge, the use of this device for the microsurgical clipping of an intracranial aneurysm has never been described in the literature. The BrightMatterTM Servo System (Synaptive Medical) is a surgical exoscope which avoids many of the ergonomic constraints of the binocular operating microscope, but is associated with a steep learning curve. The BrightMatterTM Servo System (Synaptive Medical) is a maneuverable surgical exoscope that is positioned with a directional aiming device and a surgeon-controlled foot pedal. While utilizing this device comes with a steep learning curve typical of any new technology, the BrightMatterTM Servo System (Synaptive Medical) has several advantages over the conventional surgical microscope, which include a relatively unobstructed surgical field, provision of high-definition images, and visualization of difficult angles/trajectories. This device can easily be utilized as a visualization tool for a variety of cranial and spinal procedures in lieu of the binocular operating microscope. We anticipate that this technology will soon become an integral part of the neurosurgeon's armamentarium.

  17. Video clip editing and duration of the shot: analysis of the editing in ‘I Took a Pill in Ibiza’ (Mike Posner

    Directory of Open Access Journals (Sweden)

    José Patricio Pérez Rufí

    2017-11-01

    Full Text Available Music videos are an audiovisual format that is created by the music industry for a performer’s public image and commercial purposes. This research aims to describe common practices in production and editing of current music videos regarding one particular aspect: the duration of the shot according to its frame. We carried out a textual analysis of Mike Posner’s video clip I took a Pill in Ibiza (Jon Jon Augustavo, 2016. In this case, the most frequent shots in the video clip are close shots, and the average duration is around two seconds. The average length of the shots creates a scale of durations which is equivalent to the scale of the size of the frames.

  18. Body-related film clip triggers desire to binge in women with binge eating disorder.

    Science.gov (United States)

    Svaldi, Jennifer; Caffier, Detlef; Blechert, Jens; Tuschen-Caffier, Brunna

    2009-09-01

    Previous research suggests that excessive influence of shape or weight concern on self-evaluation is strongly associated with psychological functioning in women with binge eating disorder (BED). However, little is known so far about its direct influence on binge episodes. In an experimental study, 27 women with BED (DSM-IV) and 25 overweight healthy controls watched a body-related film clip. Ratings of the desire to binge and mood were assessed prior to and at the end of the film clip. Additionally, measures of heart rate, finger pulse and electrodermal activity were obtained. Main results revealed a significant increase in the desire to binge, sadness and anxiety, as well as a significant increase in non-specific skin conductance fluctuation on the body-related clip in the group of BED only. The results underline the importance of shape and weight concerns in BED.

  19. Claim of Clips to change the World

    OpenAIRE

    鼓, みどり

    2016-01-01

    Does video clip claim for political or social issues? How the artists represent their opinions in their clips? This paper focuses on claims of clips on environmental issues, victims of the war and racism. Firstly we invest clips claiming environmental issues and victims of the war. Their message is quite political even though they were made for promotion. Clips present opinions of artists. Secondly we look into claims for racism in clips, especially of Michel Jackson's. His message is quite s...

  20. Effects of teaching communication skills using a video clip on a smart phone on communication competence and emotional intelligence in nursing students.

    Science.gov (United States)

    Choi, Yeonja; Song, Eunju; Oh, Eunjung

    2015-04-01

    This study aims to verify the communication skills training for nursing students by using a video clip on a smart phone. The study settings were the nursing departments of two universities in South Korea. This study was a quasi-experimental one using a nonequivalent control group pre-posttest design. The experimental and control groups consisted of second-year nursing students who had taken a communication course. The experimental group included 45 students, and the control group included 42 students. The experimental group improved more significantly than the control group in communication competence and emotional intelligence. Using a video clip on a smart phone is helpful for communication teaching method. Copyright © 2014 Elsevier Inc. All rights reserved.

  1. Having students create short video clips to help transition from naïve conceptions about mechanics to true Newtonian physics

    Science.gov (United States)

    Corten-Gualtieri, Pascale; Ritter, Christian; Plumat, Jim; Keunings, Roland; Lebrun, Marcel; Raucent, Benoit

    2016-07-01

    Most students enter their first university physics course with a system of beliefs and intuitions which are often inconsistent with the Newtonian frame of reference. This article presents an experiment of collaborative learning aiming at helping first-year students in an engineering programme to transition from their naïve intuition about dynamics to the Newtonian way of thinking. In a first activity, students were asked to critically analyse the contents of two video clips from the point of view of Newtonian mechanics. In a second activity, students had to design and realise their own video clip to illustrate a given aspect of Newtonian mechanics. The preparation of the scenario for the second activity required looking up and assimilating scientific knowledge. The efficiency of the activity was assessed on an enhanced version of the statistical analysis method proposed by Hestenes and Halloun, which relies on a pre-test and a post-test to measure individual learning.

  2. Superior canal dehiscence with tegmen defect revealed by otoscopy: Video clip demonstration of pulsatile tympanic membrane.

    Science.gov (United States)

    Castellucci, Andrea; Brandolini, Cristina; Piras, Gianluca; Fernandez, Ignacio Javier; Giordano, Davide; Pernice, Carmine; Modugno, Giovanni Carlo; Pirodda, Antonio; Ferri, Gian Gaetano

    2018-02-01

    Superior canal dehiscence is a pathologic condition of the otic capsule acting as aberrant window of the inner ear. It results in reduction of inner ear impedance and in abnormal exposure of the labyrinthine neuroepithelium to the action of the surrounding structures. The sum of these phenomena leads to the onset of typical cochleo-vestibular symptoms and signs. Among them, pulsatile tinnitus has been attributed to a direct transmission of intracranial vascular activities to labyrinthine fluids. We present the first video-otoscopic documentation of spontaneous pulse-synchronous movements of the tympanic membrane in two patients with superior canal dehiscence. Pulsating eardrum may represent an additional sign of third-mobile window lesion. Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.

  3. Designing Socially-Aware Video Exploration Interfaces: A Case Study using School Concert Assets

    NARCIS (Netherlands)

    D.C. Pedrosa; R.L. Guimarães (Rodrigo); P.S. Cesar Garcia (Pablo Santiago); D.C.A. Bulterman (Dick)

    2013-01-01

    htmlabstractOnline video sharing systems, such as YouTube, do not provide users enough support to explore community videos that portray people within their social circle. Such services typically consider each video clip as an isolated object, and not as part of a set of related clips. Even though

  4. Validation of the fifth edition BI-RADS ultrasound lexicon with comparison of fourth and fifth edition diagnostic performance using video clips

    Energy Technology Data Exchange (ETDEWEB)

    Yoon, Jung Hyun; Kim, Min Jung; Lee, Hye Sun [Yonsei University College of Medicine, Seoul (Korea, Republic of); Kim, Sung Hun [Dept. of Radiology, Seoul St. Mary' s Hospital, The Catholic University of Korea, Seoul(Korea, Republic of); Youk, Ji Hyun [Dept. of Radiology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul (Korea, Republic of); Jeong, Sun Hye [Dept. of Radiology, Soonchunhyang University Bucheon Hospital, Bucheon (Korea, Republic of); Kim, You Me [Dept. of Radiology, Dankook University Hospital, Dankook University College of Medicine, Cheonan (Korea, Republic of)

    2016-08-15

    The aim of this study was to evaluate the positive predictive value (PPV) and the diagnostic performance of the ultrasonographic descriptors in the fifth edition of BI-RADS, comparing with the fourth edition using video clips. From September 2013 to July 2014, 80 breast masses in 74 women (mean age, 47.5±10.7 years) from five institutions of the Korean Society of Breast Imaging were included. Two radiologists individually reviewed the static and video images and analyzed the images according to the fourth and fifth edition of BI-RADS. The PPV of each descriptor was calculated and diagnostic performances between the fourth and fifth editions were compared. Of the 80 breast masses, 51 (63.8%) were benign and 29 (36.2%) were malignant. Suspicious ultrasonographic features such as irregular shape, non-parallel orientation, angular or spiculated margins, and combined posterior features showed higher PPV in both editions (all P<0.05). No significant differences were found in the diagnostic performances between the two editions (all P>0.05). The area under the receiver operating characteristics curve was higher in the fourth edition (0.708 to 0.690), without significance (P=0.416). The fifth edition of the BI-RADS ultrasound lexicon showed comparable performance to the fourth edition and can be useful in the differential diagnosis of breast masses using ultrasonography.

  5. Impact of Video Clips on the Development of the Listening Skills in English Classes: A Case Study of Turkish Students

    Science.gov (United States)

    Tekin, Inan; Parmaksiz, Ramazan Sükrü

    2016-01-01

    The purpose of this research is to examine whether using feature films in video lessons has an effect on the development of listening skills of students or not. The research has been conducted at one of the state universities in Black Sea region of Turkey with 126 students. The students watched and listened to only the sentences taken from…

  6. Modified Clipped LMS Algorithm

    Directory of Open Access Journals (Sweden)

    Lotfizad Mojtaba

    2005-01-01

    Full Text Available Abstract A new algorithm is proposed for updating the weights of an adaptive filter. The proposed algorithm is a modification of an existing method, namely, the clipped LMS, and uses a three-level quantization ( scheme that involves the threshold clipping of the input signals in the filter weight update formula. Mathematical analysis shows the convergence of the filter weights to the optimum Wiener filter weights. Also, it can be proved that the proposed modified clipped LMS (MCLMS algorithm has better tracking than the LMS algorithm. In addition, this algorithm has reduced computational complexity relative to the unmodified one. By using a suitable threshold, it is possible to increase the tracking capability of the MCLMS algorithm compared to the LMS algorithm, but this causes slower convergence. Computer simulations confirm the mathematical analysis presented.

  7. SnapVideo: Personalized Video Generation for a Sightseeing Trip.

    Science.gov (United States)

    Zhang, Luming; Jing, Peiguang; Su, Yuting; Zhang, Chao; Shaoz, Ling

    2017-11-01

    Leisure tourism is an indispensable activity in urban people's life. Due to the popularity of intelligent mobile devices, a large number of photos and videos are recorded during a trip. Therefore, the ability to vividly and interestingly display these media data is a useful technique. In this paper, we propose SnapVideo, a new method that intelligently converts a personal album describing of a trip into a comprehensive, aesthetically pleasing, and coherent video clip. The proposed framework contains three main components. The scenic spot identification model first personalizes the video clips based on multiple prespecified audience classes. We then search for some auxiliary related videos from YouTube 1 according to the selected photos. To comprehensively describe a scenery, the view generation module clusters the crawled video frames into a number of views. Finally, a probabilistic model is developed to fit the frames from multiple views into an aesthetically pleasing and coherent video clip, which optimally captures the semantics of a sightseeing trip. Extensive user studies demonstrated the competitiveness of our method from an aesthetic point of view. Moreover, quantitative analysis reflects that semantically important spots are well preserved in the final video clip. 1 https://www.youtube.com/.

  8. Complete closure of artificial gastric ulcer after endoscopic submucosal dissection by combined use of a single over-the-scope clip and through-the-scope clips (with videos).

    Science.gov (United States)

    Maekawa, Satoshi; Nomura, Ryosuke; Murase, Takayuki; Ann, Yasuyoshi; Harada, Masaru

    2015-02-01

    A 5-7 day hospital stay is usually needed after endoscopic submucosal dissection (ESD) of gastric tumor because of the possibility of delayed perforation or bleeding. The aim of this study was to evaluate the efficacy of combined use of a single over-the-scope clip (OTSC) and through-the-scope clips (TTSCs) to achieve complete closure of artificial gastric ulcer after ESD. We prospectively studied 12 patients with early gastric cancer or gastric adenoma. We performed complete closure of post-ESD artificial gastric ulcer using a combination of a single OTSC and TTSCs. Mean size of post-ESD artificial ulcer was 54.6 mm. The mean operating time for the closure procedure was 15.2 min., and the success rate was 91.7 % (11/12). Patients who underwent complete closure of post-ESD artificial gastric ulcer could be discharged the day after ESD and the closing procedure. Complete closure of post-ESD artificial gastric ulcer using a combination of a single OTSC and TTSCs is useful for shortening the period of hospitalization and reducing treatment cost.

  9. Analysis of only 0-1 min clip or 1-4 min Clip for focal liver lesions ...

    African Journals Online (AJOL)

    video clips is very time-consuming and demanding in terms of technical ... This consisted in choosing a scan in which the lesion was ... A continuous video clip of CEUS was acquired (duration 3-4min) following contrast injection. All investigations were performed in the same standardized way by the same expert operator, ...

  10. Is playing video games related to cognitive abilities?

    Science.gov (United States)

    Unsworth, Nash; Redick, Thomas S; McMillan, Brittany D; Hambrick, David Z; Kane, Michael J; Engle, Randall W

    2015-06-01

    The relations between video-game experience and cognitive abilities were examined in the current study. In two experiments, subjects performed a number of working memory, fluid intelligence, and attention-control measures and filled out a questionnaire about their video-game experience. In Experiment 1, an extreme-groups analysis indicated that experienced video-game players outperformed nonplayers on several cognitive-ability measures. However, in Experiments 1 and 2, when analyses examined the full range of subjects at both the task level and the latent-construct level, nearly all of the relations between video-game experience and cognitive abilities were near zero. These results cast doubt on recent claims that playing video games leads to enhanced cognitive abilities. Statistical and methodological issues with prior studies of video-game experience are discussed along with recommendations for future studies. © The Author(s) 2015.

  11. Characteristics of YouTube™ Videos Related to Mammography.

    Science.gov (United States)

    Basch, Corey H; Hillyer, Grace Clarke; MacDonald, Zerlina L; Reeves, Rachel; Basch, Charles E

    2015-12-01

    With a monthly total of more than one billion unique visitors, YouTube™ is one of the Internet's most visited websites and contributes to the growing amount of health-related information on the Internet. The purpose of this study was to analyze coverage of mammography screening in popular YouTube™ videos. A total of 173 videos were included in the analysis. Compared with professionally created videos, consumer-created videos had a significantly greater number of comments (>9 comments 38.0% for consumer vs. 11.8% for professional videos, p=Videos created by professionals more often portrayed general mammography information (97.1 vs. 88.7%) compared to those created by consumers. The vast majority of videos presented general information (93.6%) related to mammography, and almost two thirds addressed preparing for the test. Less than 20% dealt with other types of examinations. Approximately 30% discussed pain associated with the examination (35.3%) and addressed issues of anxiety (32.4%) and fear (29.5%). Nearly half of the videos presented information about the test results (46.2%). Over 25% covered medical or family history. The majority did not pertain to a specific age group. Future research should focus on analyzing the accuracy of the information in the videos.

  12. Video Games Related to Young Adults: Mapping Research Interest

    Science.gov (United States)

    Piotrowski, Chris

    2015-01-01

    This study attempts to identify the typological-research domain of the extant literature on video games related to college-age samples (18-29 years-of-age). A content analysis of 264 articles, from PsycINFO for these identifiers, was performed. Findings showed that negative or pathological aspects of video gaming, i.e., violence potential,…

  13. Pediatric Audiometry: The Relative Success of Toy and Video Reinforcers.

    Science.gov (United States)

    Doggett, Sheryl; Gans, Donald P.; Stein, Ramona

    2000-01-01

    An operate conditional technique was used to determine the relative success of toys and video shows as reinforcers for testing the hearing of 28 younger (30-month-old) and 28 older (45-month old) children. Animated toys and video shows for children were equally effective as reinforcers for both age groups. (Contains references.) (Author/CR)

  14. BB-CLIPS: Blackboard extensions to CLIPS

    Science.gov (United States)

    Orchard, Robert A.; Diaz, Aurora C.

    1990-01-01

    This paper describes a set of extensions made to CLIPS version 4.3 that provide capabilities similar to the blackboard control architecture described by Hayes-Roth. There are three types of additions made to the CLIPS shell. The first extends the syntax to allow the specification of blackboard locations for CLIPS facts. The second implements changes in CLIPS rules and the agenda manager that provide some of the powerful features of the blackboard control architecture. These additions provide dynamic prioritization of rules on the agenda allowing control strategies to be implemented that respond to the changing goals of the system. The final category of changes support the needs of continuous systems, including the ability for CLIPS to continue execution with an empty agenda.

  15. Verbal methods of realisation of addresser-addressee relations in French political media texts (through the example of the texts of political videos issued by the candidates for the French 2017 presidential election

    Directory of Open Access Journals (Sweden)

    Dmitrieva Anastasia Valerievna

    2017-10-01

    Full Text Available The article deals with the addresser-addressee relations in the texts of French political advertising video clips from the verbal, textual point of view. The texts of video clips issued by the candidates for the French 2017 presidential election during the first round of the campaign serve as the material for this article. The aim of the article is to determine how the candidates (i.e. the addressers effectuate their relations with the voters (i.e. the addressees in the texts of their videos. As a result, a range of rhetorical methods were used by the candidates allowing them to attract maximum attention of the target audience. It makes the addressees trust the addresser and provide the desired perlocutionary effect.

  16. Video diaries on social media: Creating online communities for geoscience research and education

    Science.gov (United States)

    Tong, V.

    2013-12-01

    Making video clips is an engaging way to learn and teach geoscience. As smartphones become increasingly common, it is relatively straightforward for students to produce ';video diaries' by recording their research and learning experience over the course of a science module. Instead of keeping the video diaries for themselves, students may use the social media such as Facebook for sharing their experience and thoughts. There are some potential benefits to link video diaries and social media in pedagogical contexts. For example, online comments on video clips offer useful feedback and learning materials to the students. Students also have the opportunity to engage in geoscience outreach by producing authentic scientific contents at the same time. A video diary project was conducted to test the pedagogical potential of using video diaries on social media in the context of geoscience outreach, undergraduate research and teaching. This project formed part of a problem-based learning module in field geophysics at an archaeological site in the UK. The project involved i) the students posting video clips about their research and problem-based learning in the field on a daily basis; and ii) the lecturer building an online outreach community with partner institutions. In this contribution, I will discuss the implementation of the project and critically evaluate the pedagogical potential of video diaries on social media. My discussion will focus on the following: 1) Effectiveness of video diaries on social media; 2) Student-centered approach of producing geoscience video diaries as part of their research and problem-based learning; 3) Learning, teaching and assessment based on video clips and related commentaries posted on Facebook; and 4) Challenges in creating and promoting online communities for geoscience outreach through the use of video diaries. I will compare the outcomes from this study with those from other pedagogical projects with video clips on geoscience, and

  17. Clipping an Angel's Wings

    NARCIS (Netherlands)

    Nolte, R.J.M.; Rowan, A.E.; Elemans, J.A.A.W.

    2016-01-01

    Glycoluril is a concave molecule with hydrogen donor and acceptor sites. It can be provided with aromatic side walls to form a molecule with a clip-shape structure. This review highlights the host-guest and self-assembling properties of glycoluril clips and discusses their use as building blocks for

  18. Video Analysis: Lessons from Professional Video Editing Practice

    Directory of Open Access Journals (Sweden)

    Eric Laurier

    2008-09-01

    Full Text Available In this paper we join a growing body of studies that learn from vernacular video analysts quite what video analysis as an intelligible course of action might be. Rather than pursuing epistemic questions regarding video as a number of other studies of video analysis have done, our concern here is with the crafts of producing the filmic. As such we examine how audio and video clips are indexed and brought to hand during the logging process, how a first assembly of the film is built at the editing bench and how logics of shot sequencing relate to wider concerns of plotting, genre and so on. In its conclusion we make a number of suggestions about the future directions of studying video and film editors at work. URN: urn:nbn:de:0114-fqs0803378

  19. El video clip una herramienta para focalizar aspectos fundamentales de la argumentación científica en el aula

    OpenAIRE

    Ruiz Ortega, Francisco Javier

    2016-01-01

    La investigación tiene como objetivo promover en futuros docentes de la licenciatura en Biología y Química de la Universidad de Caldas, la identificación de los aspectos fundamentales de la argumentación y para ello se hace uso de los video episodios en el aula. La evaluación de los datos obtenidos muestra que los futuros docentes logran identificar aspectos conceptuales, estructurales y didácticos, siendo éstos últimos los que deben enfatizarse mucho más en los procesos de formación para per...

  20. Technology Support for Relation Work in Video Meetings

    DEFF Research Database (Denmark)

    Esbensen, Morten; Bardram, Jakob

    Distributed collaboration has a number of problems associated with it. One of these problems is the fact that distributed actors have to engage in explicit work to achieve the connections between them needed in a collaboration. The work of creating these connections have been named relation work....... Relation work is performed throughout a collaboration, however it is especially interesting to investigate in the context of the video meeting. This report asks the question “How can we design support for relation work in distributed video meetings?”. The two main contributions of this report are; (i......) the design, implementation and evaluation of SideBar - a videoconferencing system supporting relation work, and (ii) the proposal of three guidelines relevant for the design of relation work support....

  1. High contextual sensitivity of metaphorical expressions and gesture blending: A video event-related potential design.

    Science.gov (United States)

    Ibáñez, Agustín; Toro, Pablo; Cornejo, Carlos; Urquina, Hugo; Hurquina, Hugo; Manes, Facundo; Weisbrod, Matthias; Schröder, Johannes

    2011-01-30

    Human communication in a natural context implies the dynamic coordination of contextual clues, paralinguistic information and literal as well as figurative language use. In the present study we constructed a paradigm with four types of video clips: literal and metaphorical expressions accompanied by congruent and incongruent gesture actions. Participants were instructed to classify the gesture accompanying the expression as congruent or incongruent by pressing two different keys while electrophysiological activity was being recorded. We compared behavioral measures and event related potential (ERP) differences triggered by the gesture stroke onset. Accuracy data showed that incongruent metaphorical expressions were more difficult to classify. Reaction times were modulated by incongruent gestures, by metaphorical expressions and by a gesture-expression interaction. No behavioral differences were found between the literal and metaphorical expressions when the gesture was congruent. N400-like and LPC-like (late positive complex) components from metaphorical expressions produced greater negativity. The N400-like modulation of metaphorical expressions showed a greater difference between congruent and incongruent categories over the left anterior region, compared with the literal expressions. More importantly, the literal congruent as well as the metaphorical congruent categories did not show any difference. Accuracy, reaction times and ERPs provide convergent support for a greater contextual sensitivity of the metaphorical expressions. Copyright © 2010 Elsevier Ireland Ltd. All rights reserved.

  2. "Frenemies, Fraitors, and Mean-em-aitors": Priming Effects of Viewing Physical and Relational Aggression in the Media on Women.

    Science.gov (United States)

    Coyne, Sarah M; Linder, Jennifer Ruh; Nelson, David A; Gentile, Douglas A

    2012-01-01

    Past research has shown activation of aggressive cognitions in memory after media violence exposure, but has not examined priming effects of viewing relational aggression in the media. In the current study, 250 women viewed a video clip depicting physical aggression, relational aggression, or no aggression. Subsequent activation of physical and relational aggression cognitions was measured using an emotional Stroop task. Results indicated priming of relational aggression cognitions after viewing the relationally aggressive video clip, and activation of both physical and relational aggression cognitions after viewing the physically aggressive video clip. Results are discussed within the framework of the General Aggression Model. © 2012 Wiley Periodicals, Inc.

  3. Modified Clipped LMS Algorithm

    National Research Council Canada - National Science Library

    Lotfizad, Mojtaba; Yazdi, Hadi Sadoghi

    2005-01-01

    A new algorithm is proposed for updating the weights of an adaptive filter. The proposed algorithm is a modification of an existing method, namely, the clipped LMS, and uses a three-level quantization...

  4. Relacije umetnosti i video igara / Relations of Art and Video Games

    OpenAIRE

    Manojlo Maravić

    2012-01-01

    When discussing the art of video games, three different contexts need to be considered: the 'high' art (video games and the art); commercial video games (video games as the art) and the fan art. Video games are a legitimate artistic medium subject to modifications and recontextualisations in the process of creating a specific experience of the player/user/audience and political action by referring to particular social problems. They represent a high technological medium that increases, with p...

  5. Dynamics of calcitonin gene-related peptide-like cells changes in the lungs of two-kidney, one-clip rats

    Directory of Open Access Journals (Sweden)

    I. Kasacka

    2012-03-01

    Full Text Available Taking into consideration renal hypertension-induced homeostatic disorders and the key role of calcitonin gene-related peptide (CGRP in many, systemic functions regulating systems, a question arises as to what an extent arterial hypertension affects the morphology and dynamics of pulmonary CGRP-immunopositive cell changes. The aim of the present study was to examine the distribution, morphology and dynamics of changes of CGRP-containing cells in the lungs of rats in the two-kidney, one-clip (2K1C renovascular hypertension model. The studies were carried out on the lungs of rats after 3, 14, 28, 42, and 91 days long period from the renal artery clipping procedure. In order to identify neuroendocrine cells, immunohistochemical reaction was performed with the use of a specific antibody against CGRP. It was revealed that renovascular hypertension caused changes in the neuroendocrine, CGRP-containing cells in the lungs of rats. The changes, observed in the neuroendocrine cells, depended on time periods from experimentally induced hypertension. The highest intensity of changes in the neuroendocrine cells was observed in the lungs of rats after 14 days from the surgery.

  6. Is basic personality related to violent and non-violent video game play and preferences?

    Science.gov (United States)

    Chory, Rebecca M; Goodboy, Alan K

    2011-04-01

    Based on the uses and gratifications perspective, personality was expected to relate to violent video game play frequency and game preferences. Participants completed measures of personality and frequency of violent video game play, and identified their most frequently played video games. Results indicate that individuals higher in openness but lower in agreeableness played violent video games more frequently. In addition, more open and extroverted but less agreeable and neurotic individuals generally preferred to play video games that are more violent. Results suggest personality may be more predictive of violent video game use than traditional media use, though the predictive personality dimensions may be consistent across media types.

  7. Finite Element and Experimental Analysis of Function of Plastic Clips

    OpenAIRE

    Honarpardaz, Mohammad Mahdi

    2011-01-01

    The aim of this work is to investigate the function of plastic clips which are used to join different parts, during mounting and dismounting processes. The clips are made of POM and will be mounted on steel plates. The study is undertaken using experimental and numerical methods. In experiments, the mounting and dismounting forces are measured with respect to vertical displacement of the clips related to the plate. The numerical method is performed using structural implicit non-linear quasi-s...

  8. Part Two: Learning Science Through Digital Video: Student Views on Watching and Creating Videos

    Science.gov (United States)

    Wade, P.; Courtney, A. R.

    2014-12-01

    The use of digital video for science education has become common with the wide availability of video imagery. This study continues research into aspects of using digital video as a primary teaching tool to enhance student learning in undergraduate science courses. Two survey instruments were administered to undergraduate non-science majors. Survey One focused on: a) What science is being learned from watching science videos such as a "YouTube" clip of a volcanic eruption or an informational video on geologic time and b) What are student preferences with regard to their learning (e.g. using video versus traditional modes of delivery)? Survey Two addressed students' perspectives on the storytelling aspect of the video with respect to: a) sustaining interest, b) providing science information, c) style of video and d) quality of the video. Undergraduate non-science majors were the primary focus group in this study. Students were asked to view video segments and respond to a survey focused on what they learned from the segments. The storytelling aspect of each video was also addressed by students. Students watched 15-20 shorter (3-15 minute science videos) created within the last four years. Initial results of this research support that shorter video segments were preferred and the storytelling quality of each video related to student learning.

  9. Estimating Body Related Soft Biometric Traits in Video Frames

    Directory of Open Access Journals (Sweden)

    Olasimbo Ayodeji Arigbabu

    2014-01-01

    Full Text Available Soft biometrics can be used as a prescreening filter, either by using single trait or by combining several traits to aid the performance of recognition systems in an unobtrusive way. In many practical visual surveillance scenarios, facial information becomes difficult to be effectively constructed due to several varying challenges. However, from distance the visual appearance of an object can be efficiently inferred, thereby providing the possibility of estimating body related information. This paper presents an approach for estimating body related soft biometrics; specifically we propose a new approach based on body measurement and artificial neural network for predicting body weight of subjects and incorporate the existing technique on single view metrology for height estimation in videos with low frame rate. Our evaluation on 1120 frame sets of 80 subjects from a newly compiled dataset shows that the mentioned soft biometric information of human subjects can be adequately predicted from set of frames.

  10. Measuring classroom management expertise (CME of teachers: A video-based assessment approach and statistical results

    Directory of Open Access Journals (Sweden)

    Johannes König

    2015-12-01

    Full Text Available The study aims at developing and exploring a novel video-based assessment that captures classroom management expertise (CME of teachers and for which statistical results are provided. CME measurement is conceptualized by using four video clips that refer to typical classroom management situations in which teachers are heavily challenged (involving the challenges to manage transitions, instructional time, student behavior, and instructional feedback and by applying three cognitive demands posed on respondents when responding to test items related to the video clips (accuracy of perception, holistic perception, and justification of action. Research questions are raised regarding reliability, testlet effects (related to the four video clips applied for measurement, intercorrelations of cognitive demands, and criterion-related validity of the instrument. Evidence is provided that (1 using a video-based assessment CME can be measured in a reliable way, (2 the CME total score represents a general ability that is only slightly influenced by testlet effects related to the four video clips, (3 the three cognitive demands conceptualized for the measurement of CME are highly intercorrelated, and (4 the CME measure is positively correlated with declarative-conceptual general pedagogical knowledge (medium effect size, whereas it shows only small size correlations with non-cognitive teacher variables.

  11. Is action video gaming related to sustained attention of adolescents?

    Science.gov (United States)

    Trisolini, Daniela Carmen; Petilli, Marco Alessandro; Daini, Roberta

    2017-03-24

    Over the past few years, an increasing number of studies have shown that playing action video games can have positive effects on tasks that involve attention and visual-spatial cognition (e.g. visual search, enumeration tasks, tracking multiple objects). Although playing action video games can improve several cognitive functions, the intensive interaction with the exciting, challenging, intrinsically-stimulating and perceptually-appealing game environments may adversely affect other functions, including the ability to maintain attention when the level of stimulation is not as intense. This study investigated whether a relationship existed between action video gaming and sustained attention performance in a sample of 45 Italian teenagers. After completing a questionnaire about their video-games habits, participants were divided into Action Video Game Player and Non Action Video Game Player groups and underwent cognitive tests. The results confirm previous findings of studies of Action Video Game Players, as they had significantly enhanced performance for instantly enumerating a set of items. Nevertheless, we found that the drop in performance over time, typical of a sustained attention task, was significantly greater in the Action Video Game Player compared with the Non Action Video Game Player group. This result is consistent with our hypothesis and demonstrates a negative effect of playing action video games.

  12. Automatic Metadata Generation Through Analysis of Narration Within Instructional Videos.

    Science.gov (United States)

    Rafferty, Joseph; Nugent, Chris; Liu, Jun; Chen, Liming

    2015-09-01

    Current activity recognition based assistive living solutions have adopted relatively rigid models of inhabitant activities. These solutions have some deficiencies associated with the use of these models. To address this, a goal-oriented solution has been proposed. In a goal-oriented solution, goal models offer a method of flexibly modelling inhabitant activity. The flexibility of these goal models can dynamically produce a large number of varying action plans that may be used to guide inhabitants. In order to provide illustrative, video-based, instruction for these numerous actions plans, a number of video clips would need to be associated with each variation. To address this, rich metadata may be used to automatically match appropriate video clips from a video repository to each specific, dynamically generated, activity plan. This study introduces a mechanism of automatically generating suitable rich metadata representing actions depicted within video clips to facilitate such video matching. This performance of this mechanism was evaluated using eighteen video files; during this evaluation metadata was automatically generated with a high level of accuracy.

  13. HyperCLIPS: A HyperCard interface to CLIPS

    Science.gov (United States)

    Pickering, Brad; Hill, Randall W., Jr.

    1990-01-01

    HyperCLIPS combines the intuitive, interactive user interface of the Apple Macintosh(TM) with the powerful symbolic computation of an expert system interpreter. HyperCard(TM) is an excellent environment for quickly developing the front end of an application with buttons, dialogs, and pictures, while the CLIPS interpreter provides a powerful inference engine for complex problem solving and analysis. By integrating HyperCard and CLIPS the advantages and uses of both packages are made available for a wide range of uses: rapid prototyping of knowledge-based expert systems, interactive simulations of physical systems, and intelligent control of hypertext processes, to name a few. Interfacing HyperCard and CLIPS is natural. HyperCard was designed to be extended through the use of external commands (XCMDs), and CLIPS was designed to be embedded through the use of the I/O router facilities and callable interface routines. With the exception of some technical difficulties which will be discussed later, HyperCLIPS implements this interface in a straight forward manner, using the facilities provided. An XCMD called 'ClipsX' was added to HyperCard to give access to the CLIPS routines: clear, load, reset, and run. And an I/O router was added to CLIPS to handle the communication of data between CLIPS and HyperCard.

  14. A comparison of cigarette- and hookah-related videos on YouTube.

    Science.gov (United States)

    Carroll, Mary V; Shensa, Ariel; Primack, Brian A

    2013-09-01

    YouTube is now the second most visited site on the internet. The authors aimed to compare characteristics of and messages conveyed by cigarette- and hookah-related videos on YouTube. Systematic search procedures yielded 66 cigarette-related and 61 hookah-related videos. After three trained qualitative researchers used an iterative approach to develop and refine definitions for the coding of variables, two of them independently coded each video for content including positive and negative associations with smoking and major content type. Median view counts were 606,884 for cigarettes-related videos and 102,307 for hookah-related videos (pvideos than for hookah-related videos (1.6 vs 2.5, p=0.003). There was no significant difference in the number of 'like' designations per 100 reactions (91 vs 87, p=0.39). Cigarette-related videos were less likely than hookah-related videos to portray tobacco use in a positive light (24% vs 92%, pvideos were more likely to be of high production quality (42% vs 5%, pvideos related to cigarette smoking often acknowledge harmful consequences and provide explicit antismoking messages, hookah-related videos do not. It may be valuable for public health programmes to correct common misconceptions regarding hookah use.

  15. The reliability of national videos related to the kidney stones on YouTube.

    Science.gov (United States)

    Serinken, Mustafa; Eken, Cenker; Erdemir, Fikret; Eliçabuk, Hayri; Başer, Aykut

    2016-03-01

    Kidney stones are one of the most common disorders of the urinary tract. With increasing awareness, a larger proportion of patients are seeking medical knowledge from the Internet. In present study, the features, reliability and efficacy of videos on YouTube related to the treatment of kidney stones were evaluated. In December 2014, YouTube was searched using keywords "nephrolithiasis"; "renal calculi"; "renal stones"; and "kidney stones" for videos uploaded containing relevant information about the disease. Only videos in Turkish were included in the study. Two physician viewers watched each video and classified them as useful, partially useful and useless according to European Association of Urology (EAU) Guidelines. The source, length, number of views, number of favourable opinions, and days since uploaded date of the all videos were evaluated. A total of 600 videos were analysed The median length of videos was 6.7±10.4 (median: 3, IQR: 0.03-58) minutes. Each video was viewed at an average of 2368 (min: 11, max: 97133) times. Most of the videos (32.8%) were created by academicians and physicians. Nearly half (47.4%) of the videos were uploaded in 2014. The majority of the videos (62.5%) contained information for treatment. Percutaneous nephrolithotomy and ureterorenoscopy were the most common treatment modalities (32.8% and 28.0%, respectively ) in these videos. A statistically significant difference was not detected between view numbers and source of videos (p=0.87). However, there was a statistically significant difference between usefulness to the viewers and source of videos. Hospital -based videos were detected to be more useful (p=0.000). As a result, videos that would be prepared in internet environment by professional individuals or organizations in a way which would attract attention and be easily comprehended by the public could contribute to the knowledge and education of our society about the stone disease which is commonly seen in our country.

  16. Energy saving approaches for video streaming on smartphone based on QoE modeling

    DEFF Research Database (Denmark)

    Ballesteros, Luis Guillermo Martinez; Ickin, Selim; Fiedler, Markus

    2016-01-01

    In this paper, we study the influence of video stalling on QoE. We provide QoE models that are obtained in realistic scenarios on the smartphone, and provide energy-saving approaches for smartphone by leveraging the proposed QoE models in relation to energy. Results show that approximately 5J...... is saved in a 3 minutes video clip with an acceptable Mean Opinion Score (MOS) level when the video frames are skipped. If the video frames are not skipped, then it is suggested to avoid freezes during a video stream as the freezes highly increase the energy waste on the smartphones....

  17. Informational value and bias of videos related to orthodontics screened on a video-sharing Web site.

    Science.gov (United States)

    Knösel, Michael; Jung, Klaus

    2011-05-01

    To assess the informational value, intention, source, and bias of videos related to orthodontics screened by the video-sharing Internet platform YouTube. YouTube (www.youtube.com) was scanned in July 2010 for orthodontics-related videos using an adequately defined search term. Each of the first 30 search results of the scan was categorized with the system-generated sorts "by relevance" and "most viewed" (total: 60). These were rated independently by three assessors, who completed a questionnaire for each video. The data were analyzed statistically using Friedman's test for dependent samples, Kendall's tau, and Fleiss's kappa. The YouTube scan produced 5140 results. There was a wide variety of information about orthodontics available on YouTube, and the highest proportion of videos was found to originate from orthodontic patients. These videos were also the most viewed ones. The informational content of most of the videos was generally judged to be low, with a rather poor to inadequate representation of the orthodontic profession, although a moderately pro-orthodontics stance prevailed. It was noticeable that the majority of contributions of orthodontists to YouTube constituted advertising. This tendency was not viewed positively by the majority of YouTube users, as was evident in the divergence in the proportions when sorting by "relevance" and "most viewed." In the light of the very large number of people using the Internet as their primary source of information, orthodontists should recognize the importance of YouTube and similar social media Web sites in the opinion-forming process, especially in the case of adolescents.

  18. Estimation of Web video multiplicity

    Science.gov (United States)

    Cheung, SenChing S.; Zakhor, Avideh

    1999-12-01

    With ever more popularity of video web-publishing, many popular contents are being mirrored, reformatted, modified and republished, resulting in excessive content duplication. While such redundancy provides fault tolerance for continuous availability of information, it could potentially create problems for multimedia search engines in that the search results for a given query might become repetitious, and cluttered with a large number of duplicates. As such, developing techniques for detecting similarity and duplication is important to multimedia search engines. In addition, content providers might be interested in identifying duplicates of their content for legal, contractual or other business related reasons. In this paper, we propose an efficient algorithm called video signature to detect similar video sequences for large databases such as the web. The idea is to first form a 'signature' for each video sequence by selection a small number of its frames that are most similar to a number of randomly chosen seed images. Then the similarity between any tow video sequences can be reliably estimated by comparing their respective signatures. Using this method, we achieve 85 percent recall and precision ratios on a test database of 377 video sequences. As a proof of concept, we have applied our proposed algorithm to a collection of 1800 hours of video corresponding to around 45000 clips from the web. Our results indicate that, on average, every video in our collection from the web has around five similar copies.

  19. Music Video: An Analysis at Three Levels.

    Science.gov (United States)

    Burns, Gary

    This paper is an analysis of the different aspects of the music video. Music video is defined as having three meanings: an individual clip, a format, or the "aesthetic" that describes what the clips and format look like. The paper examines interruptions, the dialectical tension and the organization of the work of art, shot-scene…

  20. Relacije umetnosti i video igara / Relations of Art and Video Games

    Directory of Open Access Journals (Sweden)

    Manojlo Maravić

    2012-12-01

    performances and includes more complex narrations and characters/avatars. A number of artists take part in their creation: designers, composers and actors. Video games are a medium through which the fans of commercial games are trying to secure their position in the contemporary technologised culture.

  1. Analysis of YouTube™ videos related to bowel preparation for colonoscopy

    Science.gov (United States)

    Basch, Corey Hannah; Hillyer, Grace Clarke; Reeves, Rachel; Basch, Charles E

    2014-01-01

    AIM: To examine YouTube™ videos about bowel preparation procedure to better understand the quality of this information on the Internet. METHODS: YouTube™ videos related to colonoscopy preparation were identified during the winter of 2014; only those with ≥ 5000 views were selected for analysis (n = 280). Creator of the video, length, date posted, whether the video was based upon personal experience, and theme was recorded. Bivariate analysis was conducted to examine differences between consumers vs healthcare professionals-created videos. RESULTS: Most videos were based on personal experience. Half were created by consumers and 34% were ≥ 4.5 min long. Healthcare professional videos were viewed more often (> 19400, 59.4% vs 40.8%, P = 0.037, for healthcare professional and consumer, respectively) and more often focused on the purgative type and completing the preparation. Consumer videos received more comments (> 10 comments, 62.2% vs 42.7%, P = 0.001) and more often emphasized the palatability of the purgative, disgust, and hunger during the procedure. Content of colonoscopy bowel preparation YouTube™ videos is influenced by who creates the video and may affect views on colon cancer screening. CONCLUSION: The impact of perspectives on the quality of health-related information found on the Internet requires further examination. PMID:25228945

  2. Methyl mercury in nail clippings in relation to fish consumption analysis with gas chromatography coupled to inductively coupled plasma mass spectrometry: A first orientation

    NARCIS (Netherlands)

    Krystek, P.W.; Favaro, P.; Bode, P.; Ritsema, R.

    2012-01-01

    For the identification of human exposure to one of the most toxic compounds, which is methyl mercury (MeHg), fingernail clippings were selected as the matrix of interest. Within this pilot study, six samples from different origins and from people with different food consumption patterns were chosen.

  3. Role of Video Games in Improving Health-Related Outcomes

    Science.gov (United States)

    Primack, Brian A.; Carroll, Mary V.; McNamara, Megan; Klem, Mary Lou; King, Brandy; Rich, Michael O.; Chan, Chun W.; Nayak, Smita

    2012-01-01

    Context Video games represent a multibillion-dollar industry in the U.S. Although video gaming has been associated with many negative health consequences, it may also be useful for therapeutic purposes. The goal of this study was to determine whether video games may be useful in improving health outcomes. Evidence acquisition Literature searches were performed in February 2010 in six databases: the Center on Media and Child Health Database of Research, MEDLINE, CINAHL, PsycINFO, EMBASE, and the Cochrane Central Register of Controlled Trials. Reference lists were hand-searched to identify additional studies. Only RCTs that tested the effect of video games on a positive, clinically relevant health consequence were included. Study selection criteria were strictly defined and applied by two researchers working independently. Study background information (e.g., location, funding source), sample data (e.g., number of study participants, demographics), intervention and control details, outcomes data, and quality measures were abstracted independently by two researchers. Evidence synthesis Of 1452 articles retrieved using the current search strategy, 38 met all criteria for inclusion. Eligible studies used video games to provide physical therapy, psychological therapy, improved disease self-management, health education, distraction from discomfort, increased physical activity, and skills training for clinicians. Among the 38 studies, a total of 195 health outcomes were examined. Video games improved 69% of psychological therapy outcomes, 59% of physical therapy outcomes, 50% of physical activity outcomes, 46% of clinician skills outcomes, 42% of health education outcomes, 42% of pain distraction outcomes, and 37% of disease self-management outcomes. Study quality was generally poor; for example, two thirds (66%) of studies had follow-up periods of video games to improve health outcomes, particularly in the areas of psychological therapy and physical therapy. RCTs with

  4. CERN Video News on line

    CERN Multimedia

    2003-01-01

    The latest CERN video news is on line. In this issue : an interview with the Director General and reports on the new home for the DELPHI barrel and the CERN firemen's spectacular training programme. There's also a vintage video news clip from 1954. See: www.cern.ch/video or Bulletin web page

  5. Mounting clips for panel installation

    Science.gov (United States)

    Cavieres, Andres; Al-Haddad, Tristan; Goodman, Joseph; Valdes, Francisco

    2017-02-14

    An exemplary mounting clip for removably attaching panels to a supporting structure comprises a base, spring locking clips, a lateral flange, a lever flange, and a spring bonding pad. The spring locking clips extend upwardly from the base. The lateral flange extends upwardly from a first side of the base. The lateral flange comprises a slot having an opening configured to receive at least a portion of one of the one or more panels. The lever flange extends outwardly from the lateral flange. The spring bonding flange extends downwardly from the lever flange. At least a portion of the first spring bonding flange comprises a serrated edge for gouging at least a portion of the one or more panels when the one or more panels are attached to the mounting clip to electrically and mechanically couple the one or more panels to the mounting clip.

  6. Legal drug content in music video programs shown on Australian television on saturday mornings.

    Science.gov (United States)

    Johnson, Rebecca; Croager, Emma; Pratt, Iain S; Khoo, Natalie

    2013-01-01

    To examine the extent to which legal drug references (alcohol and tobacco) are present in the music video clips shown on two music video programs broadcast in Australia on Saturday mornings. Further, to examine the music genres in which the references appeared and the dominant messages associated with the references. Music video clips shown on the music video programs 'Rage' (ABC TV) and [V] 'Music Video Chart' (Channel [V]) were viewed over 8 weeks from August 2011 to October 2011 and the number of clips containing verbal and/or visual drug references in each program was counted. The songs were classified by genre and the dominant messages associated with drug references were also classified and analysed. A considerable proportion of music videos (approximately one-third) contained drug references. Alcohol featured in 95% of the music videos that contained drug references. References to alcohol generally associated it with fun and humour, and alcohol and tobacco were both overwhelmingly presented in contexts that encouraged, rather than discouraged, their use. In Australia, Saturday morning is generally considered a children's television viewing timeslot, and several broadcaster Codes of Practice dictate that programs shown on Saturday mornings must be appropriate for viewing by audiences of all ages. Despite this, our findings show that music video programs aired on Saturday mornings contain a considerable level of drug-related content.

  7. On the relative importance of audio and video in the presence of packet losses

    DEFF Research Database (Denmark)

    Korhonen, Jari; Reiter, Ulrich; Myakotnykh, Eugene

    2010-01-01

    In streaming applications, unequal protection of audio and video tracks may be necessary to maintain the optimal perceived overall quality. For this purpose, the application should be aware of the relative importance of audio and video in an audiovisual sequence. In this paper, we propose a subje...... and video quality, but also that the currently used classification criteria for content are not sufficient to predict the users’ preference...... a subjective test arrangement for finding the optimal tradeoff between subjective audio and video qualities in situations when it is not possible to have perfect quality for both modalities concurrently. Our results show that content poses a significant impact on the preferred compromise between audio...

  8. Semantic Labeling of Nonspeech Audio Clips

    Directory of Open Access Journals (Sweden)

    Xiaojuan Ma

    2010-01-01

    Full Text Available Human communication about entities and events is primarily linguistic in nature. While visual representations of information are shown to be highly effective as well, relatively little is known about the communicative power of auditory nonlinguistic representations. We created a collection of short nonlinguistic auditory clips encoding familiar human activities, objects, animals, natural phenomena, machinery, and social scenes. We presented these sounds to a broad spectrum of anonymous human workers using Amazon Mechanical Turk and collected verbal sound labels. We analyzed the human labels in terms of their lexical and semantic properties to ascertain that the audio clips do evoke the information suggested by their pre-defined captions. We then measured the agreement with the semantically compatible labels for each sound clip. Finally, we examined which kinds of entities and events, when captured by nonlinguistic acoustic clips, appear to be well-suited to elicit information for communication, and which ones are less discriminable. Our work is set against the broader goal of creating resources that facilitate communication for people with some types of language loss. Furthermore, our data should prove useful for future research in machine analysis/synthesis of audio, such as computational auditory scene analysis, and annotating/querying large collections of sound effects.

  9. A Dataset for Education-Related Majors' Performance Measures with Pre/Post-Video Game Practice

    Science.gov (United States)

    Novak, Elena; Tassell, Janet Lynne

    2015-01-01

    This dataset includes a series of 30 education-related majors' performance measures before and after they completed a 10-hour video game practice in a computer lab. The goal of the experimental study was to examine the effects of action video gaming on students' mathematics performance and mathematics anxiety as mediated by the effect of attention…

  10. The most widely viewed YouTube videos with content related to multivitamins

    Directory of Open Access Journals (Sweden)

    Corey H. Basch

    2016-10-01

    Full Text Available Background: Use of multivitamin/multimineral (MVM and other dietary supplements is common among American adults. The purpose of this study was to describe the source and content of the most widely viewed YouTube videos associated with MVM supplements. Methods: Videos were filtered by number of views and the source of the video upload was recorded. A comparison of video characteristics and differences in video content was conducted. Results: Cumulatively, the videos in this sample were viewed 25 573 055 times. The majority of videos found in this sample were uploaded by a nutrition, wellness, or fitness channels. Most videos mentioned benefits (80.4%, 95% CI:72.5%, 88.3% and advocated for use of the supplement (72.2%, 95% CI: 63.3%, 81.1%. Over 84% (84.5%, 95% CI: 77.3, 91.7% of the videos did not mention risks associated with taking a particular vitamin or supplement. Conclusion: The findings of this study indicate that MVMs are often promoted and encouraged, yet risks associated with MVMs were infrequently mentioned. Health professionals should be aware of the extent to which MVM related content appears on social media and, more importantly, be attuned to the content, which can be misleading, or missing information regarding risks and/or evidence of possible benefits.

  11. Mounting clips for panel installation

    Energy Technology Data Exchange (ETDEWEB)

    Cavieres, Andres; Al-Haddad, Tristan; Goodman, Joseph

    2017-07-11

    A photovoltaic panel mounting clip comprising a base, central indexing tabs, flanges, lateral indexing tabs, and vertical indexing tabs. The mounting clip removably attaches one or more panels to a beam or the like structure, both mechanically and electrically. It provides secure locking of the panels in all directions, while providing guidance in all directions for accurate installation of the panels to the beam or the like structure.

  12. Prototyping user displays using CLIPS

    Science.gov (United States)

    Kosta, Charles P.; Miller, Ross; Krolak, Patrick; Vesty, Matt

    1990-01-01

    CLIPS is being used as an integral module of a rapid prototyping system. The prototyping system consists of a display manager for object browsing, a graph program for displaying line and bar charts, and a communications server for routing messages between modules. A CLIPS simulation of a physical model provides dynamic control of the user's display. Currently, a project is well underway to prototype the Advanced Automation System (AAS) for the Federal Aviation Administration.

  13. 21 CFR 882.4150 - Scalp clip.

    Science.gov (United States)

    2010-04-01

    ... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Scalp clip. 882.4150 Section 882.4150 Food and... NEUROLOGICAL DEVICES Neurological Surgical Devices § 882.4150 Scalp clip. (a) Identification. A scalp clip is a plastic or metal clip used to stop bleeding during surgery on the scalp. (b) Classification. Class II...

  14. Playing for real: video games and stories for health-related behavior change.

    Science.gov (United States)

    Baranowski, Tom; Buday, Richard; Thompson, Debbe I; Baranowski, Janice

    2008-01-01

    Video games provide extensive player involvement for large numbers of children and adults, and thereby provide a channel for delivering health behavior change experiences and messages in an engaging and entertaining format. Twenty-seven articles were identified on 25 video games that promoted health-related behavior change through December 2006. Most of the articles demonstrated positive health-related changes from playing the video games. Variability in what was reported about the games and measures employed precluded systematically relating characteristics of the games to outcomes. Many of these games merged the immersive, attention-maintaining properties of stories and fantasy, the engaging properties of interactivity, and behavior-change technology (e.g., tailored messages, goal setting). Stories in video games allow for modeling, vicarious identifying experiences, and learning a story's "moral," among other change possibilities. Research is needed on the optimal use of game-based stories, fantasy, interactivity, and behavior change technology in promoting health-related behavior change.

  15. Video special effects editing in MPEG-2 compressed video

    OpenAIRE

    Fernando, WAC; Canagarajah, CN; Bull, David

    2000-01-01

    With the increase of digital technology in video production, several types of complex video special effects editing have begun to appear in video clips. In this paper we consider fade-out and fade-in special effects editing in MPEG-2 compressed video without full frame decompression and motion estimation. We estimated the DCT coefficients and use these coefficients together with the existing motion vectors to produce these special effects editing in compressed domain. Results show that both o...

  16. Evaluation and development of a novel binocular treatment (I-BiT™) system using video clips and interactive games to improve vision in children with amblyopia ('lazy eye'): study protocol for a randomised controlled trial

    National Research Council Canada - National Science Library

    Foss, Alexander J; Gregson, Richard M; MacKeith, Daisy; Herbison, Nicola; Ash, Isabel M; Cobb, Sue V; Eastgate, Richard M; Hepburn, Trish; Vivian, Anthony; Moore, Diane; Haworth, Stephen M

    2013-01-01

    .... This treatment is unpopular and compliance is often low. Therefore results can be poor. A novel binocular treatment which uses 3D technology to present specially developed computer games and video footage (I-BiT...

  17. Big hits on the small screen: an evaluation of concussion-related videos on YouTube.

    Science.gov (United States)

    Williams, David; Sullivan, S John; Schneiders, Anthony G; Ahmed, Osman Hassan; Lee, Hopin; Balasundaram, Arun Prasad; McCrory, Paul R

    2014-01-01

    YouTube is one of the largest social networking websites, allowing users to upload and view video content that provides entertainment and conveys many messages, including those related to health conditions, such as concussion. However, little is known about the content of videos relating to concussion. To identify and classify the content of concussion-related videos available on YouTube. An observational study using content analysis. YouTube's video database was systematically searched using 10 search terms selected from MeSH and Google Adwords. The 100 videos with the largest view counts were chosen from the identified videos. These videos and their accompanying text were analysed for purpose, source and description of content by a panel of assessors who classified them into data-driven thematic categories. 434 videos met the inclusion criteria and the 100 videos with the largest view counts were chosen. The most common categories of the videos were the depiction of a sporting injury (37%) and news reports (25%). News and media organisations were the predominant source (51%) of concussion-related videos on YouTube, with very few being uploaded by professional or academic organisations. The median number of views per video was 26 191. Although a wide range of concussion-related videos were identified, there is a need for healthcare and educational organisations to explore YouTube as a medium for the dissemination of quality-controlled information on sports concussion.

  18. Short-term effects of prosocial video games on aggression: an event-related potential study

    Science.gov (United States)

    Liu, Yanling; Teng, Zhaojun; Lan, Haiying; Zhang, Xin; Yao, Dezhong

    2015-01-01

    Previous research has shown that exposure to violent video games increases aggression, whereas exposure to prosocial video games can reduce aggressive behavior. However, little is known about the neural correlates of these behavioral effects. This work is the first to investigate the electrophysiological features of the relationship between playing a prosocial video game and inhibition of aggressive behavior. Forty-nine subjects played either a prosocial or a neutral video game for 20 min, then participated in an event-related potential (ERP) experiment based on an oddball paradigm and designed to test electrophysiological responses to prosocial and violent words. Finally, subjects completed a competitive reaction time task (CRTT) which based on Taylor's Aggression Paradigm and contains reaction time and noise intensity chosen as a measure of aggressive behavior. The results show that the prosocial video game group (compared to the neutral video game group) displayed smaller P300 amplitudes, were more accurate in distinguishing violent words, and were less aggressive as evaluated by the CRTT of noise intensity chosen. A mediation analysis shows that the P300 amplitude evoked by violent words partially mediates the relationship between type of video game and subsequent aggressive behavior. The results support theories based on the General Learning Model. We provide converging behavioral and neural evidence that exposure to prosocial media may reduce aggression. PMID:26257620

  19. Short-term effects of prosocial video games on aggression: an event-related potential study.

    Science.gov (United States)

    Liu, Yanling; Teng, Zhaojun; Lan, Haiying; Zhang, Xin; Yao, Dezhong

    2015-01-01

    Previous research has shown that exposure to violent video games increases aggression, whereas exposure to prosocial video games can reduce aggressive behavior. However, little is known about the neural correlates of these behavioral effects. This work is the first to investigate the electrophysiological features of the relationship between playing a prosocial video game and inhibition of aggressive behavior. Forty-nine subjects played either a prosocial or a neutral video game for 20 min, then participated in an event-related potential (ERP) experiment based on an oddball paradigm and designed to test electrophysiological responses to prosocial and violent words. Finally, subjects completed a competitive reaction time task (CRTT) which based on Taylor's Aggression Paradigm and contains reaction time and noise intensity chosen as a measure of aggressive behavior. The results show that the prosocial video game group (compared to the neutral video game group) displayed smaller P300 amplitudes, were more accurate in distinguishing violent words, and were less aggressive as evaluated by the CRTT of noise intensity chosen. A mediation analysis shows that the P300 amplitude evoked by violent words partially mediates the relationship between type of video game and subsequent aggressive behavior. The results support theories based on the General Learning Model. We provide converging behavioral and neural evidence that exposure to prosocial media may reduce aggression.

  20. Short-Term Effects of Prosocial Video Games on Aggression: An Event-Related Potential Study

    Directory of Open Access Journals (Sweden)

    Yanling eLiu

    2015-07-01

    Full Text Available Previous research has shown that exposure to violent video games increases aggression, whereas exposure to prosocial video games can reduce aggressive behavior. However, little is known about the neural correlates of these behavioral effects. This work is the first to investigate the electrophysiological features of the relationship between playing a prosocial video game and inhibition of aggressive behavior. Forty-nine subjects played either a prosocial or a neutral video game for 20 minutes, then participated in an event-related potential (ERP experiment based on an oddball paradigm and designed to test electrophysiological responses to prosocial and violent words. Finally, subjects completed a competitive reaction time task (CRTT, which is based on Taylor’s Aggression Paradigm and measures both reaction time and noise intensity preference as indices of aggressive behavior. The results show that the prosocial video game group (compared to the neutral video game group displayed smaller P300 amplitudes, were more accurate in distinguishing violent words, and were less aggressive as evaluated by the CRTT (noise intensity preference. A mediation analysis shows that the P300 amplitude evoked by violent words partially mediates the relationship between type of video game and subsequent aggressive behavior. The results support theories based on the General Learning Model. We provide converging behavioral and neural evidence that exposure to prosocial media may reduce aggression.

  1. Using PVM to host CLIPS in distributed environments

    Science.gov (United States)

    Myers, Leonard; Pohl, Kym

    1994-01-01

    It is relatively easy to enhance CLIPS (C Language Integrated Production System) to support multiple expert systems running in a distributed environment with heterogeneous machines. The task is minimized by using the PVM (Parallel Virtual Machine) code from Oak Ridge Labs to provide the distributed utility. PVM is a library of C and FORTRAN subprograms that supports distributive computing on many different UNIX platforms. A PVM deamon is easily installed on each CPU that enters the virtual machine environment. Any user with rsh or rexec access to a machine can use the one PVM deamon to obtain a generous set of distributed facilities. The ready availability of both CLIPS and PVM makes the combination of software particularly attractive for budget conscious experimentation of heterogeneous distributive computing with multiple CLIPS executables. This paper presents a design that is sufficient to provide essential message passing functions in CLIPS and enable the full range of PVM facilities.

  2. Concept of the central clip

    DEFF Research Database (Denmark)

    Alegria-Barrero, Eduardo; Chan, Pak Hei; Foin, Nicolas

    2014-01-01

    AIMS: Percutaneous edge-to-edge mitral valve repair with the MitraClip(®) was shown to be a safe and feasible alternative compared to conventional surgical mitral valve repair. We analyse the concept of the central clip and the predictors for the need of more than one MitraClip(®) in our high...... with transoesophageal echocardiographic (TOE) guidance. Device success was defined as placement of one or more MitraClips(®) with a reduction of MR to ≤2+. Patients were followed up clinically and with TOE at one month and one year. From September 2009 to March 2012, 43 patients with severe MR with a mean age of 74.......8±10.7 years (30 males, 13 females; mean logistic EuroSCORE 24.1±11, mean LVEF 47.5±18.5%; mean±SD) were treated. Median follow-up was 385 days (104-630; Q1-Q3). Device implantation success was 93%. All patients were treated following the central clip concept: 52.5% of MR was degenerative in aetiology and 47...

  3. Modeling Timbre Similarity of Short Music Clips.

    Science.gov (United States)

    Siedenburg, Kai; Müllensiefen, Daniel

    2017-01-01

    There is evidence from a number of recent studies that most listeners are able to extract information related to song identity, emotion, or genre from music excerpts with durations in the range of tenths of seconds. Because of these very short durations, timbre as a multifaceted auditory attribute appears as a plausible candidate for the type of features that listeners make use of when processing short music excerpts. However, the importance of timbre in listening tasks that involve short excerpts has not yet been demonstrated empirically. Hence, the goal of this study was to develop a method that allows to explore to what degree similarity judgments of short music clips can be modeled with low-level acoustic features related to timbre. We utilized the similarity data from two large samples of participants: Sample I was obtained via an online survey, used 16 clips of 400 ms length, and contained responses of 137,339 participants. Sample II was collected in a lab environment, used 16 clips of 800 ms length, and contained responses from 648 participants. Our model used two sets of audio features which included commonly used timbre descriptors and the well-known Mel-frequency cepstral coefficients as well as their temporal derivates. In order to predict pairwise similarities, the resulting distances between clips in terms of their audio features were used as predictor variables with partial least-squares regression. We found that a sparse selection of three to seven features from both descriptor sets-mainly encoding the coarse shape of the spectrum as well as spectrotemporal variability-best predicted similarities across the two sets of sounds. Notably, the inclusion of non-acoustic predictors of musical genre and record release date allowed much better generalization performance and explained up to 50% of shared variance (R(2)) between observations and model predictions. Overall, the results of this study empirically demonstrate that both acoustic features related to

  4. Teaching care and cooperation with relatives: video as a learning tool in mental health work.

    Science.gov (United States)

    Stiberg, Elsa; Holand, Unni; Olstad, Reidun; Lorem, Geir

    2012-08-01

    Empathy is crucial for establishing caring relationships and cooperation with relatives of people with severe mental illness. This study describes the use of video as a learning tool in a post-bachelor program. A focus group of students attended a video session. Based on a phenomenological descriptive analysis, we found two major themes: (1) Insight and empathy and (2) Developing clinical competence. The first theme relates to increased insight into specific family situations, which resulted in new-found engagement and ideas for cooperation. The second theme relates to how this increased insight was crucial for re-evaluating one's own practice, attitudes, and limitations. This study indicates that the use of video develops sensitivity, attitudes, and empathy in a classroom setting. Enhanced general competence activates clinical knowledge through an improved awareness of relatives' perspectives.

  5. CAN INTERMITTENT VIDEO SAMPLING CAPTURE INDIVIDUAL DIFFERENCES IN NATURALISTIC DRIVING?

    Science.gov (United States)

    Aksan, Nazan; Schall, Mark; Anderson, Steven; Dawson, Jeffery; Tippin, Jon; Rizzo, Matthew

    2013-01-01

    We examined the utility and validity of intermittent video samples from black box devices for capturing individual difference variability in real-world driving performance in an ongoing study of obstructive sleep apnea (OSA) and community controls. Three types of video clips were coded for several dimensions of interest to driving research including safety, exposure, and driver state. The preliminary findings indicated that clip types successfully captured variability along targeted dimensions such as highway vs. city driving, driver state such as distraction and sleepiness, and safety. Sleepiness metrics were meaningfully associated with adherence to PAP (positive airway pressure) therapy. OSA patients who were PAP adherent showed less sleepiness and less non-driving related gaze movements than nonadherent patients. Simple differences in sleepiness did not readily translate to improvements in driver safety, consistent with epidemiologic evidence to date.

  6. Mograph Cinema 4d untuk Menunjang Efek Visual Video Klip

    Directory of Open Access Journals (Sweden)

    Ardiyan Ardiyan

    2010-10-01

    Full Text Available This research is to talk about the advantages of MoGraph as one reliability feature in 3D modeling application, 4D Cinema as the implemented example in Cinta Laura video clip. The advantage in MoGraph is the ability to create multiple object moving effect accordingly and (or randomly easily and efficiently, also supported by the render quality of Cinema 4D that clean and relatively fast. The advantage made MoGraph Cinema 4D is suitable to use to enrich the visual effect a motion graphic work. The quality is hoped to support MoGraph usage as more creative. Regarding today’s visual variation is effected by the digital technology development, therefore the implementation of MoGraph Conema 4D is hoped to be optimally supporting creativity in making video clip in motion graphic art content. 

  7. Relation between Video Game Addiction and Interfamily Relationships on Primary School Students

    Science.gov (United States)

    Zorbaz, Selen Demirtas; Ulas, Ozlem; Kizildag, Seval

    2015-01-01

    This study seeks to analyze whether or not the following three variables of "Discouraging Family Relations," "Supportive Family Relations," "Total Time Spent on the Computer," and "Grade Point Average (GPA)" predict elementary school students' video game addiction rates, and whether or not there exists a…

  8. Surgical Treatment of Middle Cerebral Artery Aneurysms Without Using Indocyanine Green Videoangiography Assistance: Retrospective Monocentric Study of 263 Clipped Aneurysms.

    Science.gov (United States)

    Hallout, Sabrina

    2015-10-01

    Middle cerebral artery (MCA) aneurysms represent 20% of intracranial aneurysms. Most (80%) of them are located on the sylvian bifurcation, the seat of hemodynamic turbulence flow. Morbidity and mortality related to surgery of MCA aneurysms are not negligible. MCA vascularization areas are important eloquence functional territorial of Brain tissue. Indocyanine green videoangiography assistance (ICG-VA) is an emergent tool for intraoperative assessment of aneurysmal occlusion and for checking a possible stenosant clip in vascular area. The purposes of this study were to evaluate the safety of clipping procedure in terms of morbidity, mortality, and efficiency of aneurysm occlusion without using ICG-VA, recurrence and bleeding/rebleeding at short and long terms, and angiographic and clinical follow-ups. This study is a monocentric retrospective study performed at Pitié-Salpêtrière-Charles Foix Hospital Center, reporting clinical and angiographic follow-up of consecutive patients treated for MCA aneurysms (ruptured and unruptured) by clipping procedures. From 2002-2012, 251 consecutive patients were admitted at the author's institution for treatment of 263 MCA aneurysms (163 ruptured and 100 unruptured). Procedure-related death and complications were systematically assessed without video-angiography availability. The degree of aneurysms exclusion was evaluated according to the Raymond-Roy scale after the procedure and at long-term angiographic follow-up (mean delay = 36 months). The death rate related to aneurysmal exclusion procedure was 1.2%. The major complication rate related to surgery was 5.3%. Postprocedure, an aneurysm occlusion rate Raymond-Roy grade A or B was 95.6%. Neither recanalization controlled clipped aneurysms nor re-aneurysmal rupture was observed in the long-term clinical follow-up (mean time = 83.5 months). The institution's series of surgical outcomes reported 95.6% of complete exclusion and 4.5% incomplete procedures without ICG-VA. A clip of

  9. Sex Differences in Emotional Evaluation of Film Clips: Interaction with Five High Arousal Emotional Categories.

    Science.gov (United States)

    Maffei, Antonio; Vencato, Valentina; Angrilli, Alessandro

    2015-01-01

    The present study aimed to investigate gender differences in the emotional evaluation of 18 film clips divided into six categories: Erotic, Scenery, Neutral, Sadness, Compassion, and Fear. 41 female and 40 male students rated all clips for valence-pleasantness, arousal, level of elicited distress, anxiety, jittery feelings, excitation, and embarrassment. Analysis of positive films revealed higher levels of arousal, pleasantness, and excitation to the Scenery clips in both genders, but lower pleasantness and greater embarrassment in women compared to men to Erotic clips. Concerning unpleasant stimuli, unlike men, women reported more unpleasantness to the Compassion, Sadness, and Fear compared to the Neutral clips and rated them also as more arousing than did men. They further differentiated the films by perceiving greater arousal to Fear than to Compassion clips. Women rated the Sadness and Fear clips with greater Distress and Jittery feelings than men did. Correlation analysis between arousal and the other emotional scales revealed that, although men looked less aroused than women to all unpleasant clips, they also showed a larger variance in their emotional responses as indicated by the high number of correlations and their relatively greater extent, an outcome pointing to a masked larger sensitivity of part of male sample to emotional clips. We propose a new perspective in which gender difference in emotional responses can be better evidenced by means of film clips selected and clustered in more homogeneous categories, controlled for arousal levels, as well as evaluated through a number of emotion focused adjectives.

  10. Sex Differences in Emotional Evaluation of Film Clips: Interaction with Five High Arousal Emotional Categories.

    Directory of Open Access Journals (Sweden)

    Antonio Maffei

    Full Text Available The present study aimed to investigate gender differences in the emotional evaluation of 18 film clips divided into six categories: Erotic, Scenery, Neutral, Sadness, Compassion, and Fear. 41 female and 40 male students rated all clips for valence-pleasantness, arousal, level of elicited distress, anxiety, jittery feelings, excitation, and embarrassment. Analysis of positive films revealed higher levels of arousal, pleasantness, and excitation to the Scenery clips in both genders, but lower pleasantness and greater embarrassment in women compared to men to Erotic clips. Concerning unpleasant stimuli, unlike men, women reported more unpleasantness to the Compassion, Sadness, and Fear compared to the Neutral clips and rated them also as more arousing than did men. They further differentiated the films by perceiving greater arousal to Fear than to Compassion clips. Women rated the Sadness and Fear clips with greater Distress and Jittery feelings than men did. Correlation analysis between arousal and the other emotional scales revealed that, although men looked less aroused than women to all unpleasant clips, they also showed a larger variance in their emotional responses as indicated by the high number of correlations and their relatively greater extent, an outcome pointing to a masked larger sensitivity of part of male sample to emotional clips. We propose a new perspective in which gender difference in emotional responses can be better evidenced by means of film clips selected and clustered in more homogeneous categories, controlled for arousal levels, as well as evaluated through a number of emotion focused adjectives.

  11. 76 FR 171 - Paper Clips From China

    Science.gov (United States)

    2011-01-03

    ... COMMISSION Paper Clips From China AGENCY: United States International Trade Commission. ACTION: Institution of a five-year review concerning the antidumping duty order on paper clips from China. SUMMARY: The... on paper clips from China would be likely to lead to continuation or recurrence of material injury...

  12. 76 FR 42730 - Paper Clips From China

    Science.gov (United States)

    2011-07-19

    ... COMMISSION Paper Clips From China Determination On the basis of the record \\1\\ developed in the subject five... order on paper clips from China would be likely to lead to continuation or recurrence of material injury... Publication 4242 (July 2011), entitled Paper Clips from China: Investigation No. 731-TA-663 (Third Review). By...

  13. Preserving Sharp Edges with Volume Clipping

    NARCIS (Netherlands)

    Termeer, M.A.; Oliván Bescós, J.; Telea, A.C.

    2006-01-01

    Volume clipping is a useful aid for exploring volumetric datasets. To maximize the effectiveness of this technique, the clipping geometry should be flexibly specified and the resulting images should not contain artifacts due to the clipping techniques. We present an improvement to an existing

  14. MiR-139-3p is related to left ventricular hypertrophy and cardiomyocyte apoptosis in two-kidney one-clip hypertensive rats

    Directory of Open Access Journals (Sweden)

    Yang Xiaomin

    2015-01-01

    Full Text Available MicroRNAs (miRNAs are important post-transcriptional regulators of gene expression in many physiological and pathological processes. Previous studies have reported the role of miR-139-3p in cancer. However, its specific roles and functions in the heart undergoing hypertrophy have yet to be fully elucidated. In the present study, a significant upregulation of miR-139-3p expression was demonstrated in the left ventricular myocardium of two-kidney one-clip (2K1C hypertensive rats using microarray and quantitative real-time PCR (qRT-PCR. Based on computational analysis, we observed that miR-139-3p can control the expression of mitogen-activated protein kinase 1 (MAPK1 as a target gene, which is essential for the induction of cardiac hypertrophy and cardiomyocyte apoptosis. This study provides first information that the highly expressed miR-139-3p might be closely involved in MAPK1-mediated cardiac hypertrophy and cardiomyocyte apoptotic processes in 2K1C rat.

  15. Using Text Mining to Uncover Students' Technology-Related Problems in Live Video Streaming

    Science.gov (United States)

    Abdous, M'hammed; He, Wu

    2011-01-01

    Because of their capacity to sift through large amounts of data, text mining and data mining are enabling higher education institutions to reveal valuable patterns in students' learning behaviours without having to resort to traditional survey methods. In an effort to uncover live video streaming (LVS) students' technology related-problems and to…

  16. General Video Game Evaluation Using Relative Algorithm Performance Profiles

    DEFF Research Database (Denmark)

    Nielsen, Thorbjørn; Barros, Gabriella; Togelius, Julian

    2015-01-01

    In order to generate complete games through evolution we need generic and reliably evaluation functions for games. It has been suggested that game quality could be characterised through playing a game with different controllers and comparing their performance. This paper explores that idea through...... investigating the relative performance of different general game-playing algorithms. Seven game-playing algorithms was used to play several hand-designed, mutated and randomly generated VGDL game descriptions. Results discussed appear to support the conjecture that well-designed games have, in average, a higher...... performance difference between better and worse game-playing algorithms....

  17. Evaluation of Metallic Artifacts Caused by Nonpenetrating Titanium Clips in Postoperative Neuroimaging.

    Science.gov (United States)

    Ito, Kiyoshi; Seguchi, Tatsuya; Nakamura, Takuya; Chiba, Akihiro; Hasegawa, Takatoshi; Nagm, Alhusain; Horiuchi, Tetsuyoshi; Hongo, Kazuhiro

    2016-12-01

    Nonpenetrating titanium clips create no suture holes and thereby reduce cerebrospinal fluid leakage after dural closure. However, no data exist regarding metallic artifacts caused by these clips during postoperative neuroimaging. We aimed to evaluate clip-related artifacts on postoperative magnetic resonance (MR) images of 17 patients who underwent spinal surgery. A phantom study evaluated the size of metallic artifacts, and a clinical study evaluated the quality of postoperative spinal MR images. Both 1.5-T studies used T1-weighted and T2-weighted fast spin echo sequences. The phantom study compared clip and artifact size for 10 clips. Artifacts were defined as signal voids surrounded by high signal amplitude that followed the clip shape. In the clinical study, 2 neurosurgeons assessed 22 images from 17 patients of the spinal cord, cauda equina, and paravertebral muscles adjacent to the nonpenetrating titanium clips, using 5-point scales. Mean metallic artifact sizes were 4.82 ± 0.16 mm (T1) and 4.66 ± 0.25 mm (T2; P < 0.001 vs. control). The former and latter were respectively 207% and 200% larger than the clip size. Both readers graded spinal cord and paravertebral muscles images as 3 or 4, indicating very good image quality regardless of clip-related artifacts, with excellent interobserver agreement (κ = 0.99 and 0.98, respectively). Metallic artifacts caused by nonpenetrating titanium clips were 200% larger than the actual clip but did not affect spinal cord and extradural tissue visualization. The use of these clips for closing the spinal dura mater does not alter postoperative radiologic evaluation quality. Copyright © 2016 Elsevier Inc. All rights reserved.

  18. Relation of adolescent video game play to time spent in other activities.

    Science.gov (United States)

    Cummings, Hope M; Vandewater, Elizabeth A

    2007-07-01

    To examine the notion that playing video games is negatively related to the time adolescents spend in more developmentally appropriate activities. Nonexperimental study. Survey data collected during the 2002-2003 school year. A nationally representative sample of 1491 children aged 10 to 19 years. Main Outcome Measure Twenty-four-hour time-use diaries were collected on 1 weekday and 1 weekend day, both randomly chosen. Time-use diaries were used to determine adolescents' time spent playing video games, with parents and friends, reading and doing homework, and in sports and active leisure. Differences in time spent between game players and nonplayers as well as the magnitude of the relationships among game time and activity time among adolescent game players were assessed. Thirty-six percent of adolescents (80% of boys and 20% of girls) played video games. On average, gamers played for an hour on the weekdays and an hour and a half on the weekends. Compared with nongamers, adolescent gamers spent 30% less time reading and 34% less time doing homework. Among gamers (both genders), time spent playing video games without parents or friends was negatively related to time spent with parents and friends in other activities. Although gamers and nongamers did not differ in the amount of time they spent interacting with family and friends, concerns regarding gamers' neglect of school responsibilities (reading and homework) are warranted. Although only a small percentage of girls played video games, our findings suggest that playing video games may have different social implications for girls than for boys.

  19. Promoting the Individual Learning Styles of Masters Students Studying Marketing-related Modules through the Use of YouTube Video-Clips

    OpenAIRE

    Lance, Justin

    2007-01-01

    It is often hard for academics to find resource material, particularly visual material for new and emerging disciplines; particularly when Universities are developing courses faster than teaching materials are made generally available. This, in addition to the increase in the diverse nature of student groups, means that academics need to find different ways to deliver understanding and learning. The mode of delivery at the centre of this article is a website called YouTube and a technology fo...

  20. NEI You Tube Videos: Amblyopia

    Medline Plus

    Full Text Available ... NEI YouTube Videos > NEI YouTube Videos: Amblyopia NEI YouTube Videos YouTube Videos Home Age-Related Macular Degeneration ... Retinopathy of Prematurity Science Spanish Videos Webinars NEI YouTube Videos: Amblyopia Embedded video for NEI YouTube Videos: ...

  1. NEI You Tube Videos: Amblyopia

    Medline Plus

    Full Text Available ... YouTube Videos > NEI YouTube Videos: Amblyopia NEI YouTube Videos YouTube Videos Home Age-Related Macular Degeneration Amblyopia ... of Prematurity Science Spanish Videos Webinars NEI YouTube Videos: Amblyopia Embedded video for NEI YouTube Videos: Amblyopia ...

  2. NEI You Tube Videos: Amblyopia

    Science.gov (United States)

    ... YouTube Videos > NEI YouTube Videos: Amblyopia NEI YouTube Videos YouTube Videos Home Age-Related Macular Degeneration Amblyopia ... of Prematurity Science Spanish Videos Webinars NEI YouTube Videos: Amblyopia Embedded video for NEI YouTube Videos: Amblyopia ...

  3. Do videos improve website satisfaction and recall of online cancer-related information in older lung cancer patients?

    Science.gov (United States)

    Bol, Nadine; Smets, Ellen M A; Rutgers, M Mattijs; Burgers, Jacobus A; de Haes, Hanneke C J M; Loos, Eugène F; van Weert, Julia C M

    2013-09-01

    This study investigated the effects of personalized audiovisual information in addition to text on website satisfaction and recall of cancer-related online information in older lung cancer patients. An experiment using a 3 (condition: text only vs. text with nonpersonalized video vs. text with personalized video) by 2 (age patient: younger [video compared to text only. Text with personalized video also outperformed text with nonpersonalized video regarding emotional support from the website. Furthermore, text with video improved patients' recall of cancer-related information as compared to text only. Older patients recalled less information correctly than younger patients, except when we controlled for Internet use. Text with personalized audiovisual information can enhance website satisfaction and information recall. Internet use plays an important role in explaining recall of information. The results of this study can be used to develop effective health communication materials for cancer patients. Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.

  4. Young Children’s Video/Computer Game Use: Relations with School Performance and Behavior

    OpenAIRE

    Hastings, Erin C.; Karas, Tamara L.; Winsler, Adam; Way, Erin; Madigan, Amy; Tyler, Shannon

    2009-01-01

    This study examined the amount and content of children’s video game playing in relation with behavioral and academic outcomes. Relationships among playing context, child gender, and parental monitoring were explored. Data were obtained through parent report of child’s game play, behavior, and school performance. Results revealed that time spent playing games was related positively to aggression and negatively to school competence. Violent content was correlated positively and educational cont...

  5. Functional changes in the reward circuit in response to gaming-related cues after training with a commercial video game.

    Science.gov (United States)

    Gleich, Tobias; Lorenz, Robert C; Gallinat, Jürgen; Kühn, Simone

    2017-05-15

    In the present longitudinal study, we aimed to investigate video game training associated neuronal changes in reward processing using functional magnetic resonance imaging (fMRI). We recruited 48 healthy young participants which were assigned to one of 2 groups: A group in which participants were instructed to play a commercial video game ("Super Mario 64 DS") on a portable Nintendo DS handheld console at least 30minutes a day over a period of two months (video gaming group; VG) or to a matched passive control group (CG). Before and after the training phase, in both groups, fMRI imaging was conducted during passively viewing reward and punishment-related videos sequences recorded from the trained video game. The results show that video game training may lead to reward related decrease in neuronal activation in the dorsolateral prefrontal cortex (DLPFC) and increase in the hippocampus. Additionally, the decrease in DLPFC activation was associated with gaming related parameters experienced during playing. Specifically, we found that in the VG, gaming related parameters like performance, experienced fun and frustration (assessed during the training period) were correlated to decrease in reward related DLPFC activity. Thus, neuronal changes in terms of video game training seem to be highly related to the appetitive character and reinforcement schedule of the game. Those neuronal changes may also be related to the often reported video game associated improvements in cognitive functions. Copyright © 2017 Elsevier Inc. All rights reserved.

  6. Misleading Health-Related Information Promoted Through Video-Based Social Media: Anorexia on YouTube

    Science.gov (United States)

    Li, Yu-Chuan; Crain, Steven; Hsu, Min-Huei; Wang, Yao-Chin; Khandregzen, Dorjsuren; Chuluunbaatar, Enkhzaya; Nguyen, Phung Anh

    2013-01-01

    Introduction The amount of information being uploaded onto social video platforms, such as YouTube, Vimeo, and Veoh, continues to spiral, making it increasingly difficult to discern reliable health information from misleading content. There are thousands of YouTube videos promoting misleading information about anorexia (eg, anorexia as a healthy lifestyle). Objective The aim of this study was to investigate anorexia-related misinformation disseminated through YouTube videos. Methods We retrieved YouTube videos related to anorexia using the keywords anorexia, anorexia nervosa, proana, and thinspo on October 10, 2011.Three doctors reviewed 140 videos with approximately 11 hours of video content, classifying them as informative, pro-anorexia, or others. By informative we mean content describing the health consequences of anorexia and advice on how to recover from it; by pro-anorexia we mean videos promoting anorexia as a fashion, a source of beauty, and that share tips and methods for becoming and remaining anorexic. The 40 most-viewed videos (20 informative and 20 pro-anorexia videos) were assessed to gauge viewer behavior. Results The interrater agreement of classification was moderate (Fleiss’ kappa=0.5), with 29.3% (n=41) being rated as pro-anorexia, 55.7% (n=78) as informative, and 15.0% (n=21) as others. Pro-anorexia videos were favored 3 times more than informative videos (odds ratio [OR] 3.3, 95% CI 3.3-3.4, Panorexia information was identified in 29.3% of anorexia-related videos. Pro-anorexia videos are less common than informative videos; however, in proportional terms, pro-anorexia content is more highly favored and rated by its viewers. Efforts should focus on raising awareness, particularly among teenagers, about the trustworthiness of online information about beauty and healthy lifestyles. Health authorities producing videos to combat anorexia should consider involving celebrities and models to reach a wider audience. More research is needed to study

  7. Misleading health-related information promoted through video-based social media: anorexia on YouTube.

    Science.gov (United States)

    Syed-Abdul, Shabbir; Fernandez-Luque, Luis; Jian, Wen-Shan; Li, Yu-Chuan; Crain, Steven; Hsu, Min-Huei; Wang, Yao-Chin; Khandregzen, Dorjsuren; Chuluunbaatar, Enkhzaya; Nguyen, Phung Anh; Liou, Der-Ming

    2013-02-13

    The amount of information being uploaded onto social video platforms, such as YouTube, Vimeo, and Veoh, continues to spiral, making it increasingly difficult to discern reliable health information from misleading content. There are thousands of YouTube videos promoting misleading information about anorexia (eg, anorexia as a healthy lifestyle). The aim of this study was to investigate anorexia-related misinformation disseminated through YouTube videos. We retrieved YouTube videos related to anorexia using the keywords anorexia, anorexia nervosa, proana, and thinspo on October 10, 2011.Three doctors reviewed 140 videos with approximately 11 hours of video content, classifying them as informative, pro-anorexia, or others. By informative we mean content describing the health consequences of anorexia and advice on how to recover from it; by pro-anorexia we mean videos promoting anorexia as a fashion, a source of beauty, and that share tips and methods for becoming and remaining anorexic. The 40 most-viewed videos (20 informative and 20 pro-anorexia videos) were assessed to gauge viewer behavior. The interrater agreement of classification was moderate (Fleiss' kappa=0.5), with 29.3% (n=41) being rated as pro-anorexia, 55.7% (n=78) as informative, and 15.0% (n=21) as others. Pro-anorexia videos were favored 3 times more than informative videos (odds ratio [OR] 3.3, 95% CI 3.3-3.4, Panorexia information was identified in 29.3% of anorexia-related videos. Pro-anorexia videos are less common than informative videos; however, in proportional terms, pro-anorexia content is more highly favored and rated by its viewers. Efforts should focus on raising awareness, particularly among teenagers, about the trustworthiness of online information about beauty and healthy lifestyles. Health authorities producing videos to combat anorexia should consider involving celebrities and models to reach a wider audience. More research is needed to study the characteristics of pro-anorexia videos

  8. Evaluation of stereoscopic medical video content on an autostereoscopic display for undergraduate medical education

    Science.gov (United States)

    Ilgner, Justus F. R.; Kawai, Takashi; Shibata, Takashi; Yamazoe, Takashi; Westhofen, Martin

    2006-02-01

    Introduction: An increasing number of surgical procedures are performed in a microsurgical and minimally-invasive fashion. However, the performance of surgery, its possibilities and limitations become difficult to teach. Stereoscopic video has evolved from a complex production process and expensive hardware towards rapid editing of video streams with standard and HDTV resolution which can be displayed on portable equipment. This study evaluates the usefulness of stereoscopic video in teaching undergraduate medical students. Material and methods: From an earlier study we chose two clips each of three different microsurgical operations (tympanoplasty type III of the ear, endonasal operation of the paranasal sinuses and laser chordectomy for carcinoma of the larynx). This material was added by 23 clips of a cochlear implantation, which was specifically edited for a portable computer with an autostereoscopic display (PC-RD1-3D, SHARP Corp., Japan). The recording and synchronization of left and right image was performed at the University Hospital Aachen. The footage was edited stereoscopically at the Waseda University by means of our original software for non-linear editing of stereoscopic 3-D movies. Then the material was converted into the streaming 3-D video format. The purpose of the conversion was to present the video clips by a file type that does not depend on a television signal such as PAL or NTSC. 25 4th year medical students who participated in the general ENT course at Aachen University Hospital were asked to estimate depth clues within the six video clips plus cochlear implantation clips. Another 25 4th year students who were shown the material monoscopically on a conventional laptop served as control. Results: All participants noted that the additional depth information helped with understanding the relation of anatomical structures, even though none had hands-on experience with Ear, Nose and Throat operations before or during the course. The monoscopic

  9. Educational video and story as effective interventions reducing epilepsy-related stigma among children.

    Science.gov (United States)

    Brabcová, Dana; Kohout, Jiří; Weberová, Veronika; Komárek, Vladimír

    2017-04-01

    Stigma has been related to epilepsy since ancient times. Despite the importance of this issue, only a few interventions focusing on the reduction of epilepsy-related stigma may be found in the literature. Thus, the aim of this study is to evaluate the effectiveness of two interventions focused on the reduction of epilepsy-related stigma in children aged 9-11years. The first group of children involved in the study (n 1 =89) completed the 23-item Czech version of the SSE (Stigma Scale of Epilepsy) questionnaire and an 11-item multiple-choice knowledge test, then watched a video and completed the same questionnaire and test immediately after the intervention. The same procedure was used for the second group (n 2 =93) where a story was read by an instructor. Both groups were retested 6months later using the same methods. Both interventions resulted in long-term decrease of epilepsy-related stigma - the average value on SSE decreased from 55.15 points at baseline testing to 43.28 points in the 6-month follow-up for the case of the video (pepilepsy was also significantly improved with the average result in the knowledge test increasing from 6.58 to 9.09 points in case of the video (pepilepsy-related stigma in the given age group. Copyright © 2017 Elsevier Inc. All rights reserved.

  10. Capturing Students' Attention: Movie Clips Set the Stage for Learning in Abnormal Psychology.

    Science.gov (United States)

    Badura, Amy S.

    2002-01-01

    Presents results of a study that evaluated using popular movie clips, shown in the first class meeting of an abnormal psychology course, in relation to student enthusiasm. Compares two classes of female juniors, one using clips and one class not using them. States that the films portrayed psychological disorders. (CMK)

  11. Evaluation and development of a novel binocular treatment (I-BiT™) system using video clips and interactive games to improve vision in children with amblyopia ('lazy eye'): study protocol for a randomised controlled trial.

    Science.gov (United States)

    Foss, Alexander J; Gregson, Richard M; MacKeith, Daisy; Herbison, Nicola; Ash, Isabel M; Cobb, Sue V; Eastgate, Richard M; Hepburn, Trish; Vivian, Anthony; Moore, Diane; Haworth, Stephen M

    2013-05-20

    Amblyopia (lazy eye) affects the vision of approximately 2% of all children. Traditional treatment consists of wearing a patch over their 'good' eye for a number of hours daily, over several months. This treatment is unpopular and compliance is often low. Therefore results can be poor. A novel binocular treatment which uses 3D technology to present specially developed computer games and video footage (I-BiT™) has been studied in a small group of patients and has shown positive results over a short period of time. The system is therefore now being examined in a randomised clinical trial. Seventy-five patients aged between 4 and 8 years with a diagnosis of amblyopia will be randomised to one of three treatments with a ratio of 1:1:1 - I-BiT™ game, non-I-BiT™ game, and I-BiT™ DVD. They will be treated for 30 minutes once weekly for 6 weeks. Their visual acuity will be assessed independently at baseline, mid-treatment (week 3), at the end of treatment (week 6) and 4 weeks after completing treatment (week 10). The primary endpoint will be the change in visual acuity from baseline to the end of treatment. Secondary endpoints will be additional visual acuity measures, patient acceptability, compliance and the incidence of adverse events. This is the first randomised controlled trial using the I-BiT™ system. The results will determine if the I-BiT™ system is effective in the treatment of amblyopia and will also determine the optimal treatment for future development. ClinicalTrials.gov identifier: NCT01702727.

  12. Age-Related Differences in Judgments of Inappropriate Behavior are Related to Humor Style Preferences

    Science.gov (United States)

    Stanley, Jennifer Tehan; Lohani, Monika; Isaacowitz, Derek M.

    2014-01-01

    Identifying social gaffes is important for maintaining relationships. Older adults are less able than young to discriminate between socially appropriate and inappropriate behavior in video clips. One open question is how these social appropriateness ratings relate to potential age differences in the perception of what is actually funny or not. In the present study, young, middle-aged, and older adults were equally able to discriminate between appropriate and inappropriate social behavior in a diverse set of clips relevant to both age groups. However, young and middle-aged adults rated the gaffe clips as funnier than control clips and young adults smiled more during the inappropriate clips than the control clips. Older adults did not show this pattern, suggesting that they did not find the inappropriate clips funny. Additionally, young adults endorsed a more aggressive humor style than middle-aged and older adults and aggressive humor style endorsement mediated age differences in social appropriateness ratings. Results are discussed in terms of possible mechanisms such as cohort differences in humor and developmental prioritization of certain humor styles, as well as the importance of investigating age differences in both abilities and preferences. PMID:25244473

  13. Medical student attitudes toward video games and related new media technologies in medical education.

    Science.gov (United States)

    Kron, Frederick W; Gjerde, Craig L; Sen, Ananda; Fetters, Michael D

    2010-06-24

    Studies in K-12 and college students show that their learning preferences have been strongly shaped by new media technologies like video games, virtual reality environments, the Internet, and social networks. However, there is no known research on medical students' game experiences or attitudes towards new media technologies in medical education. This investigation seeks to elucidate medical student experiences and attitudes, to see whether they warrant the development of new media teaching methods in medicine. Medical students from two American universities participated. An anonymous, 30-item, cross-sectional survey addressed demographics, game play experience and attitudes on using new media technologies in medical education. Statistical analysis identified: 1) demographic characteristics; 2) differences between the two universities; 3) how video game play differs across gender, age, degree program and familiarity with computers; and 4) characteristics of students who play most frequently. 217 medical students participated. About half were female (53%). Respondents liked the idea of using technology to enhance healthcare education (98%), felt that education should make better use of new media technologies (96%), and believed that video games can have educational value (80%). A majority (77%) would use a multiplayer online healthcare simulation on their own time, provided that it helped them to accomplish an important goal. Men and women agreed that they were most inclined to use multiplayer simulations if they were fun (97%), and if they helped to develop skill in patient interactions (90%). However, there was significant gender dissonance over types of favorite games, the educational value of video games, and the desire to participate in games that realistically replicated the experience of clinical practice. Overall, medical student respondents, including many who do not play video games, held highly favorable views about the use of video games and related new

  14. Medical student attitudes toward video games and related new media technologies in medical education

    Science.gov (United States)

    2010-01-01

    the use of video games and related new media technology in medical education. Significant gender differences in game play experience and attitudes may represent male video game design bias that stresses male cognitive aptitudes; medical educators hoping to create serious games that will appeal to both men and women must avoid this. PMID:20576125

  15. Medical student attitudes toward video games and related new media technologies in medical education

    Directory of Open Access Journals (Sweden)

    Kron Frederick W

    2010-06-01

    favorable views about the use of video games and related new media technology in medical education. Significant gender differences in game play experience and attitudes may represent male video game design bias that stresses male cognitive aptitudes; medical educators hoping to create serious games that will appeal to both men and women must avoid this.

  16. Humorous Videos and Idiom Achievement: Some Pedagogical Considerations for EFL Learners

    Science.gov (United States)

    Neissari, Malihe; Ashraf, Hamid; Ghorbani, Mohammad Reza

    2017-01-01

    Employing a quasi-experimental design, this study examined the efficacy of humorous idiom video clips on the achievement of Iranian undergraduate students studying English as a Foreign Language (EFL). Forty humorous video clips from the English Idiom Series called "The Teacher" from the BBC website were used to teach 120 idioms to 61…

  17. Multimodal Emotion Recognition in Response to Videos

    NARCIS (Netherlands)

    Soleymani, Mohammad; Pantic, Maja; Pun, Thierry

    This paper presents a user-independent emotion recognition method with the goal of recovering affective tags for videos using electroencephalogram (EEG), pupillary response and gaze distance. We first selected 20 video clips with extrinsic emotional content from movies and online resources. Then,

  18. The Relation of Visual Signs In The Narrative Structure of MTV Exit Human Trafficking Campaign Video

    Directory of Open Access Journals (Sweden)

    Winny Gunarti

    2013-08-01

    Full Text Available Human trafficking is a violation of the human rights. One of the campaign to fight against this crime takes the form of a digital campaign that aired on television and internet.   This study discusses the narrative structure of human trafficking campaign video from non-profit organization MTV Exit in 2012. This video campaign combines art collage and graphic art in its narrative structure. Nonverbal visual elements displayed in the form of a digital photo collage with animated illustrations setting. We consider this video campaign quite interesting as it is visually inform the public about the importance of safe migration through the visual signs in the narrative structure. This study analyzes qualitatively the relation of nonverbal visual signs in the narrative collage and illustration. Denotative and connotative analysis with structural semiotics approach is needed to understand the meaning of visual signs in the context of humans as cultural beings in their communities. This study is expected to be a model example of visual communication campaigns that can foster public awareness of the issue of human trafficking, especially for young women and children as young generation.

  19. Video game-related seizures: a report on 10 patients and a review of the literature.

    Science.gov (United States)

    Graf, W D; Chatrian, G E; Glass, S T; Knauss, T A

    1994-04-01

    To further describe the features, postulated pathophysiology, treatment, and outcome of seizures occurring while playing or watching video games (video game-related seizures (VGRS)). We evaluated retrospectively 10 patients with VGRS seen by us and reviewed 25 reported cases. The 35 patients ranged in age from 1 to 36 years (mean: 13.2); and 26 subjects (74%) were male. Eight individuals (29%) had prior infrequent nonfebrile seizures, 4 (11%) had febrile convulsions, and 2 (6%) had a family history of epilepsy. VGRS consisted of generalized tonic-clonic seizures in 22 of 35 individuals (63%); absences in 2 (6%); simple partial seizures in 6 (19%); complex partial seizures in 4 (11%); and other manifestations in 4. Neurologic examination and computed tomographic and magnetic resonance imaging scans were normal. Electroencephalograms demonstrated generalized or focal, interictal or ictal epileptic patterns in 11 of 21 patients (52%) and photoparoxysmal responses in 17 of 32 (53%). Eleven of 15 individuals (73%) treated with video game (VG) abstinence alone, 3 of 6 who received anticonvulsants but played VGs, and 7 of 12 treated with combined VG abstinence and anticonvulsants had no further seizures. We postulate that a special convulsive susceptibility of selected neurons in striate, peristriate, infratemporal, and posterior parietal cortices to particular visual stimuli plays a major role in VGRS. VG abstinence is the treatment of choice of VGRS. Anticonvulsant medication is suggested only for those individuals who continue to play VGs or suffer from seizures triggered by other, unavoidable visual stimuli, or from unprovoked attacks.

  20. Sleep quality is negatively related to video gaming volume in adults.

    Science.gov (United States)

    Exelmans, Liese; Van den Bulck, Jan

    2015-04-01

    Most literature on the relationship between video gaming and sleep disturbances has looked at children and adolescents. There is little research on such a relationship in adult samples. The aim of the current study was to investigate the association of video game volume with sleep quality in adults via face-to-face interviews using standardized questionnaires. Adults (n = 844, 56.2% women), aged 18-94 years old, participated in the study. Sleep quality was measured using the Pittsburgh Sleep Quality Index, and gaming volume was assessed by asking the hours of gaming on a regular weekday (Mon-Thurs), Friday and weekend day (Sat-Sun). Adjusting for gender, age, educational level, exercise and perceived stress, results of hierarchical regression analyses indicated that video gaming volume was a significant predictor of sleep quality (β = 0.145), fatigue (β = 0.109), insomnia (β = 0.120), bedtime (β = 0.100) and rise time (β = 0.168). Each additional hour of video gaming per day delayed bedtime by 6.9 min (95% confidence interval 2.0-11.9 min) and rise time by 13.8 min (95% confidence interval 7.8-19.7 min). Attributable risk for having poor sleep quality (Pittsburgh Sleep Quality Index > 5) due to gaming >1 h day was 30%. When examining the components of the Pittsburgh Sleep Quality Index using multinomial regression analysis (odds ratios with 95% confidence intervals), gaming volume significantly predicted sleep latency, sleep efficiency and use of sleep medication. In general, findings support the conclusion that gaming volume is negatively related to the overall sleep quality of adults, which might be due to underlying mechanisms of screen exposure and arousal. © 2014 European Sleep Research Society.

  1. Associations between active video gaming and other energy-balance related behaviours in adolescents: a 24-hour recall diary study.

    Science.gov (United States)

    Simons, Monique; Chinapaw, Mai J M; Brug, Johannes; Seidell, Jaap; de Vet, Emely

    2015-03-05

    Active video games may contribute to reducing time spent in sedentary activities, increasing physical activity and preventing excessive weight gain in adolescents. Active video gaming can, however, only be beneficial for weight management when it replaces sedentary activities and not other physical activity, and when it is not associated with a higher energy intake. The current study therefore examines the association between active video gaming and other energy-balance-related behaviours (EBRBs). Adolescents (12-16 years) with access to an active video game and who reported to spend at least one hour per week in active video gaming were invited to participate in the study. They were asked to complete electronic 24-hour recall diaries on five randomly assigned weekdays and two randomly assigned weekend-days in a one-month period, reporting on time spent playing active and non-active video games and on other EBRBs. Findings indicated that adolescents who reported playing active video games on assessed days also reported spending more time playing non-active video games (Median = 23.6, IQR = 56.8 minutes per week) compared to adolescents who did not report playing active video games on assessed days (Median = 10.0, IQR = 51.3 minutes per week, P played active video games on assessed days, active video game time was positively yet weakly associated with TV/DVD time and snack consumption. Active video game time was not significantly associated with other activities and sugar-sweetened beverages intake. The results suggest that it is unlikely that time spent by adolescents in playing active video games replaces time spent in other physically active behaviours or sedentary activities. Spending more time playing active video games does seem to be associated with a small, but significant increase in intake of snacks. This suggests that interventions aimed at increasing time spent on active video gaming, may have unexpected side effects, thus warranting

  2. CERN Video News

    CERN Multimedia

    2003-01-01

    From Monday you can see on the web the new edition of CERN's Video News. Thanks to a collaboration between the audiovisual teams at CERN and Fermilab, you can see a report made by the American laboratory. The clip concerns the LHC magnets that are being constructed at Fermilab. Also in the programme: the spectacular rotation of one of the ATLAS coils, the arrival at CERN of the first American magnet made at Brookhaven, the story of the discovery 20 years ago of the W and Z bosons at CERN. http://www.cern.ch/video or Bulletin web page.

  3. Tech Tips: Using Video Management/ Analysis Technology in Qualitative Research

    Directory of Open Access Journals (Sweden)

    J.A. Spiers

    2004-03-01

    Full Text Available This article presents tips on how to use video in qualitative research. The author states that, though there many complex and powerful computer programs for working with video, the work done in qualitative research does not require those programs. For this work, simple editing software is sufficient. Also presented is an easy and efficient method of transcribing video clips.

  4. Tech Tips: Using Video Management/ Analysis Technology in Qualitative Research

    OpenAIRE

    J.A. Spiers

    2004-01-01

    This article presents tips on how to use video in qualitative research. The author states that, though there many complex and powerful computer programs for working with video, the work done in qualitative research does not require those programs. For this work, simple editing software is sufficient. Also presented is an easy and efficient method of transcribing video clips.

  5. Encoding Concept Prototypes for Video Event Detection and Summarization

    NARCIS (Netherlands)

    Mazloom, M.; Habibian, A.; Liu, D.; Snoek, C.G.M.; Chang, S.F.

    2015-01-01

    This paper proposes a new semantic video representation for few and zero example event detection and unsupervised video event summarization. Different from existing works, which obtain a semantic representation by training concepts over images or entire video clips, we propose an algorithm that

  6. Young Children’s Video/Computer Game Use: Relations with School Performance and Behavior

    Science.gov (United States)

    Hastings, Erin C.; Karas, Tamara L.; Winsler, Adam; Way, Erin; Madigan, Amy; Tyler, Shannon

    2011-01-01

    This study examined the amount and content of children’s video game playing in relation with behavioral and academic outcomes. Relationships among playing context, child gender, and parental monitoring were explored. Data were obtained through parent report of child’s game play, behavior, and school performance. Results revealed that time spent playing games was related positively to aggression and negatively to school competence. Violent content was correlated positively and educational content negatively with attention problems. Educational games were related to good academic achievement. Results suggest violent games, and a large amount of game play, are related to troublesome behavioral and academic outcomes, but educational games may be related to positive outcomes. Neither gender nor parental monitoring emerged as significant moderators of these effects. PMID:19742374

  7. Young children's video/computer game use: relations with school performance and behavior.

    Science.gov (United States)

    Hastings, Erin C; Karas, Tamara L; Winsler, Adam; Way, Erin; Madigan, Amy; Tyler, Shannon

    2009-10-01

    This study examined the amount and content of children's video game playing in relation with behavioral and academic outcomes. Relationships among playing context, child gender, and parental monitoring were explored. Data were obtained through parent report of child's game play, behavior, and school performance. Results revealed that time spent playing games was related positively to aggression and negatively to school competence. Violent content was correlated positively and educational content negatively with attention problems. Educational games were related to good academic achievement. Results suggest violent games, and a large amount of game play, are related to troublesome behavioral and academic outcomes, but educational games may be related to positive outcomes. Neither gender nor parental monitoring emerged as significant moderators of these effects.

  8. Video games

    OpenAIRE

    Kolář, Vojtěch

    2012-01-01

    This thesis is based on a detailed analysis of various topics related to the question of whether video games can be art. In the first place it analyzes the current academic discussion on this subject and confronts different opinions of both supporters and objectors of the idea, that video games can be a full-fledged art form. The second point of this paper is to analyze the properties, that are inherent to video games, in order to find the reason, why cultural elite considers video games as i...

  9. Video gallery of educational lectures integrated in faculty's portal

    Directory of Open Access Journals (Sweden)

    Jaroslav Majerník

    2013-05-01

    Full Text Available This paper presents a web based educational video-clips exhibition created to share various archived lectures for medical students, health care professionals as well as for general public. The presentation of closely related topics was developed as video gallery and it is based solely on free or open source tools to be available for wide academic and/or non-commercial use. Even if the educational video records can be embedded in any websites, we preferred to use our faculty’s portal, which should be a central point to offer various multimedia educational materials. The system was integrated and tested to offer open access to infectology lectures that were captured and archived from live-streamed sessions and from videoconferences.

  10. Comparing relative abundance, lengths, and habitat of temperate reef fishes using simultaneous underwater visual census, video, and trap sampling

    KAUST Repository

    Bacheler, NM

    2017-04-28

    Unbiased counts of individuals or species are often impossible given the prevalence of cryptic or mobile species. We used 77 simultaneous multi-gear deployments to make inferences about relative abundance, diversity, length composition, and habitat of the reef fish community along the southeastern US Atlantic coast. In total, 117 taxa were observed by underwater visual census (UVC), stationary video, and chevron fish traps, with more taxa being observed by UVC (100) than video (82) or traps (20). Frequency of occurrence of focal species was similar among all sampling approaches for tomtate Haemulon aurolineatum and black sea bass Centropristis striata, higher for UVC and video compared to traps for red snapper Lutjanus campechanus, vermilion snapper Rhomboplites aurorubens, and gray triggerfish Balistes capriscus, and higher for UVC compared to video or traps for gray snapper L. griseus and lionfish Pterois spp. For 6 of 7 focal species, correlations of relative abundance among gears were strongest between UVC and video, but there was substantial variability among species. The number of recorded species between UVC and video was correlated (ρ = 0.59), but relationships between traps and the other 2 methods were weaker. Lengths of fish visually estimated by UVC were similar to lengths of fish caught in traps, as were habitat characterizations from UVC and video. No gear provided a complete census for any species in our study, suggesting that analytical methods accounting for imperfect detection are necessary to make unbiased inferences about fish abundance.

  11. Animated Video Clips: Learning in the Current Generation

    Science.gov (United States)

    Gurvitch, Rachel; Lund, Jackie

    2014-01-01

    The teaching and learning processes have undergone a variety of changes and modifications in recent years. The overall academic goal is to produce engaged, lifelong learners who are capable of solving complex problems in diverse settings. These desired skills cannot be achieved via the traditional teaching and learning model that requires students…

  12. Short-Term Effects of Prosocial Video Games on Aggression: An Event-Related Potential Study

    OpenAIRE

    Yanling eLiu; Yanling eLiu; Zhaojun eTeng; Haiying eLan; Xin eZhang; Dezhong eYao

    2015-01-01

    Previous research has shown that exposure to violent video games increases aggression, whereas exposure to prosocial video games can reduce aggressive behavior. However, little is known about the neural correlates of these behavioral effects. This work is the first to investigate the electrophysiological features of the relationship between playing a prosocial video game and inhibition of aggressive behavior. Forty-nine subjects played either a prosocial or a neutral video game for 20 minutes...

  13. Short-term effects of prosocial video games on aggression: an event-related potential study

    OpenAIRE

    Liu, Yanling; Teng, Zhaojun; Lan, Haiying; Zhang, Xin; Yao, Dezhong

    2015-01-01

    Previous research has shown that exposure to violent video games increases aggression, whereas exposure to prosocial video games can reduce aggressive behavior. However, little is known about the neural correlates of these behavioral effects. This work is the first to investigate the electrophysiological features of the relationship between playing a prosocial video game and inhibition of aggressive behavior. Forty-nine subjects played either a prosocial or a neutral video game for 20 min, th...

  14. Blink-related dynamic switching between internal and external orienting networks while viewing videos.

    Science.gov (United States)

    Nakano, Tamami

    2015-07-01

    Humans spontaneously generate eyeblinks every few seconds. However, because this blink rate is several times more common than is required for ocular lubrication, the function of most spontaneous eyeblinks remains unknown. Because spontaneous eyeblinks tend to occur at implicit breakpoints in video stories, I hypothesized that spontaneous eyeblinks play an active role in attentional disengagement from external stimuli. Consistent with this, we previously found that spontaneous eyeblinks involve the concurrent deactivation of the dorsal attention network and activation of the default mode network when individuals are viewing videos. However, this previous study examined only the upper brain regions to increase the temporal resolution of the data. Therefore, the present study examined whether the temporal and subcortical regions exhibited blink-related activations or deactivations using the same visual stimuli as in the previous study. Data revealed that the bilateral hippocampus and cerebellum showed a prominent but momentary activation after the blink onset. In contrast, a blink-related deactivation was observed in both the right ventral and dorsal attention networks. These results suggest that spontaneous eyeblinks are involved in the attentional disengagement from external visual information via the massive and dynamic alteration of brain activity between the external and internal orienting networks. Copyright © 2015 The Author. Published by Elsevier Ireland Ltd.. All rights reserved.

  15. Relative Hidden Markov Models for Video-Based Evaluation of Motion Skills in Surgical Training.

    Science.gov (United States)

    Zhang, Qiang; Li, Baoxin

    2015-06-01

    A proper temporal model is essential to analysis tasks involving sequential data. In computer-assisted surgical training, which is the focus of this study, obtaining accurate temporal models is a key step towards automated skill-rating. Conventional learning approaches can have only limited success in this domain due to insufficient amount of data with accurate labels. We propose a novel formulation termed Relative Hidden Markov Model and develop algorithms for obtaining a solution under this formulation. The method requires only relative ranking between input pairs, which are readily available from training sessions in the target application, hence alleviating the requirement on data labeling. The proposed algorithm learns a model from the training data so that the attribute under consideration is linked to the likelihood of the input, hence supporting comparing new sequences. For evaluation, synthetic data are first used to assess the performance of the approach, and then we experiment with real videos from a widely-adopted surgical training platform. Experimental results suggest that the proposed approach provides a promising solution to video-based motion skill evaluation. To further illustrate the potential of generalizing the method to other applications of temporal analysis, we also report experiments on using our model on speech-based emotion recognition.

  16. [Absorbable synthetic clips and pulmonary excision].

    Science.gov (United States)

    Nguyen, H; Nguyen, H V; Raut, Y; Briére, J

    1985-01-01

    From the beginning of this decade, two new, 2nd generation, resorbable synthetic materials--polydioxanone and lactomer--have been able to be molded into clips which, in contrast to metallic clips, are fitted with an original locking system preventing any slipping, either transversal or longitudinal, on the vessels. An experimental study was conducted to confirm their great reliability and perfect safety on large vessels (up to 8-9 mm) of large laboratory animals--both pulmonary and systemic vessels. Positive results justified their application to pulmonary vessels in humans during surgery, the pulmonary vessel being at a much lower pressure than in the main circulatory system. These new clips possess the advantages of metallic clips and resorbable synthetic threads without their inconveniences: rapidity, simplicity and ease of application, radio-transparency and complete inertia in magnetic fields enabling radiotherapy and modern postoperative investigations (scanner, NMR...) to be carried out.

  17. "So Let's Talk. Let's Chat. Let's Start a Dialog": An Analysis of the Conversation Metaphor Employed in Clinton's and Obama's YouTube Campaign Clips

    Science.gov (United States)

    Duman, Steve; Locher, Miriam A.

    2008-01-01

    This paper examines how two American presidential candidates, Barack Obama and Hillary Clinton, make use of a VIDEO EXCHANGE IS CONVERSATION metaphor on YouTube, a channel of communication that allows the exchange of video clips on the Internet. It is argued that the politicians exploit the metaphor for its connotations of creating involvement and…

  18. Using an Animated Cartoon Hero in Video Instruction to Improve Bathroom-Related Skills of a Student with Autism Spectrum Disorder

    Science.gov (United States)

    Ohtake, Yoshihisa; Takahashi, Ayaka; Watanabe, Kentaro

    2015-01-01

    The present study investigated the effectiveness of video hero modeling (VHM) for building four bathroom-related behaviors of an elementary-aged student with autism spectrum disorder. In the VHM intervention, the participant watched a video immediately before going to the bathroom he typically used. In the video, an animated face of a cartoon hero…

  19. Teachers' Analyses of Classroom Video Predict Student Learning of Mathematics: Further Explorations of a Novel Measure of Teacher Knowledge

    Science.gov (United States)

    Kersting, Nicole B.; Givvin, Karen B.; Sotelo, Francisco L.; Stigler, James W.

    2010-01-01

    This study explores the relationship between teacher knowledge and student learning in the area of mathematics by developing and evaluating an innovative approach to assessing teacher knowledge. This approach is based on teachers' analyses of classroom video clips. Teachers watched 13 video clips of classroom instruction and then provided written…

  20. Insights into the design and interpretation of iCLIP experiments.

    Science.gov (United States)

    Haberman, Nejc; Huppertz, Ina; Attig, Jan; König, Julian; Wang, Zhen; Hauer, Christian; Hentze, Matthias W; Kulozik, Andreas E; Le Hir, Hervé; Curk, Tomaž; Sibley, Christopher R; Zarnack, Kathi; Ule, Jernej

    2017-01-16

    Ultraviolet (UV) crosslinking and immunoprecipitation (CLIP) identifies the sites on RNAs that are in direct contact with RNA-binding proteins (RBPs). Several variants of CLIP exist, which require different computational approaches for analysis. This variety of approaches can create challenges for a novice user and can hamper insights from multi-study comparisons. Here, we produce data with multiple variants of CLIP and evaluate the data with various computational methods to better understand their suitability. We perform experiments for PTBP1 and eIF4A3 using individual-nucleotide resolution CLIP (iCLIP), employing either UV-C or photoactivatable 4-thiouridine (4SU) combined with UV-A crosslinking and compare the results with published data. As previously noted, the positions of complementary DNA (cDNA)-starts depend on cDNA length in several iCLIP experiments and we now find that this is caused by constrained cDNA-ends, which can result from the sequence and structure constraints of RNA fragmentation. These constraints are overcome when fragmentation by RNase I is efficient and when a broad cDNA size range is obtained. Our study also shows that if RNase does not efficiently cut within the binding sites, the original CLIP method is less capable of identifying the longer binding sites of RBPs. In contrast, we show that a broad size range of cDNAs in iCLIP allows the cDNA-starts to efficiently delineate the complete RNA-binding sites. We demonstrate the advantage of iCLIP and related methods that can amplify cDNAs that truncate at crosslink sites and we show that computational analyses based on cDNAs-starts are appropriate for such methods.

  1. Single clips versus multi-firing clip device for closure of mucosal incisions after peroral endoscopic myotomy (POEM)

    NARCIS (Netherlands)

    Verlaan, Tessa; Ponds, Fraukje A. M.; Bastiaansen, Barbara A. J.; Bredenoord, Albert J.; Fockens, Paul

    2016-01-01

    Background and aims: After Peroral Endoscopic Myotomy (POEM), the mucosal incision is closed with endoscopically applied clips. After each clip placement, a subsequent clipping device has to be introduced through the working channel. With the Clipmaster3, three consecutive clips can be placed

  2. A reverse-action clip applier for aneurysm surgery.

    Science.gov (United States)

    Sato, Atsushi; Koyama, Jun-ichi; Hanaoka, Yoshiki; Hongo, Kazuhiro

    2015-06-01

    Clipping is an important technique for cerebral aneurysm surgery. Although clip mechanisms and features have been refined, little attention has been paid to clip appliers. Clip closure is traditionally achieved by opening the grip of the clip applier. We reconsidered this motion and identified an important drawback, namely that the standard applier holding power decreased at the moment of clip release, which could lead to unstable clip application. To develop a forceps to address this clip applier design flaw. The new clip applier has a non--cross-type fulcrum that is closed at the time of clip release, with an action similar to that of a bipolar forceps or scissors. Thus, a surgeon can steadily apply the clip from various angles. We successfully used our clip applier to treat 103 aneurysms. Although training was required to ensure smooth applier use, no difficulties associated with applier use were noted. This clip applier can improve clipping surgery safety because it offers additional stability during clip release.

  3. On finding the C in CBT: the challenges of applying gambling-related cognitive approaches to video-gaming.

    Science.gov (United States)

    Delfabbro, Paul; King, Daniel

    2015-03-01

    Many similarities have been drawn between the activities of gambling and video-gaming. Both are repetitive activities with intermittent reinforcement, decision-making opportunities, and elements of risk-taking. As a result, it might be tempting to believe that cognitive strategies that are used to treat problem gambling might also be applied to problematic video gaming. In this paper, we argue that many cognitive approaches to gambling that typically involve a focus on erroneous beliefs about probabilities and randomness are not readily applicable to video gaming. Instead, we encourage a focus on other clusters of cognitions that relate to: (a) the salience and over-valuing of gaming rewards, experiences, and identities, (b) maladaptive and inflexible rules about behaviour, (c) the use of video-gaming to maintain self-esteem, and (d) video-gaming for social status and recognition. This theoretical discussion is advanced as a starting point for the development of more refined cognitive treatment approaches for problematic video gaming.

  4. The relationship between online video game involvement and gaming-related friendships among emotionally sensitive individuals.

    Science.gov (United States)

    Kowert, Rachel; Domahidi, Emese; Quandt, Thorsten

    2014-07-01

    Some researchers believe that online gaming spaces can be socially accommodating environments for socially inhibited individuals, such as the socially inept, socially anxious, or shy. While previous research has examined, and found, significant links between these populations and online video game play, it remains unknown to what extent these spaces are contributing to tangible social benefits for the socially inhibited. The current study addresses this question by evaluating the link between gaming-related friendships and shyness, as quantified by emotional sensitivity. Drawing from a representative sample of German game players, the results indicate that emotionally sensitive players are using online gaming spaces differently from their less emotionally sensitive counterparts and reporting tangible differences in their in-game friendship networks. This suggests that online games hold the potential to be socially advantageous for shy individuals by allowing them to overcome their traditional social difficulties and generate new friendships as well as strengthen old ones.

  5. Sex differences in the inference and perception of causal relations within a video game

    Directory of Open Access Journals (Sweden)

    Michael E. Young

    2014-08-01

    Full Text Available The learning of immediate causation within a dynamic environment was examined. Participants encountered seven decision points in which they needed to choose which of three possible candidates was the cause of explosions in the environment. Each candidate was firing a weapon at random every few seconds, but only one of them produced an immediate effect. Some participants showed little learning, but most demonstrated increases in accuracy across time. On average, men showed higher accuracy and shorter latencies that were not explained by differences in self-reported prior video game experience. This result suggests that prior reports of sex differences in causal choice in the game are not specific to situations involving delayed or probabilistic causal relations.

  6. Elementary calculation of clip connections with incomplete sweep of shaft

    Directory of Open Access Journals (Sweden)

    Ivan P. Shatsky

    2015-06-01

    Full Text Available The article describes promising structures of clip (screw and friction connections with incomplete sweep of shaft used in machines and mechanisms for the oil and gas industry. The contact problems of interaction between semi-hubs and shaft for the symmetric and asymmetric connections are formulated. For structures that are asymmetric relatively the joint bolt two types of interaction are investigated: with and without lateral displacement. Based on a priori assumption about the distribution laws of contact pressure accepted in traditional courses of “Machine Details” an engineering method for calculating of clip connections is developed. Herewith different types of details coupling (with a gap, matched, with tension correspond to concentrated, cosine and sustainable (linear distributions of contact stresses. There are determined an analytical dependences of boundary points and breakloose force on spanning angles, bolt tightening force and tribological properties of joined parts of subassembly.

  7. Action Video Game Experience Related to Altered Large-Scale White Matter Networks

    Directory of Open Access Journals (Sweden)

    Diankun Gong

    2017-01-01

    Full Text Available With action video games (AVGs becoming increasingly popular worldwide, the cognitive benefits of AVG experience have attracted continuous research attention over the past two decades. Research has repeatedly shown that AVG experience can causally enhance cognitive ability and is related to neural plasticity in gray matter and functional networks in the brain. However, the relation between AVG experience and the plasticity of white matter (WM network still remains unclear. WM network modulates the distribution of action potentials, coordinating the communication between brain regions and acting as the framework of neural networks. And various types of cognitive deficits are usually accompanied by impairments of WM networks. Thus, understanding this relation is essential in assessing the influence of AVG experience on neural plasticity and using AVG experience as an interventional tool for impairments of WM networks. Using graph theory, this study analyzed WM networks in AVG experts and amateurs. Results showed that AVG experience is related to altered WM networks in prefrontal networks, limbic system, and sensorimotor networks, which are related to cognitive control and sensorimotor functions. These results shed new light on the influence of AVG experience on the plasticity of WM networks and suggested the clinical applicability of AVG experience.

  8. Action Video Game Experience Related to Altered Large-Scale White Matter Networks.

    Science.gov (United States)

    Gong, Diankun; Ma, Weiyi; Gong, Jinnan; He, Hui; Dong, Li; Zhang, Dan; Li, Jianfu; Luo, Cheng; Yao, Dezhong

    2017-01-01

    With action video games (AVGs) becoming increasingly popular worldwide, the cognitive benefits of AVG experience have attracted continuous research attention over the past two decades. Research has repeatedly shown that AVG experience can causally enhance cognitive ability and is related to neural plasticity in gray matter and functional networks in the brain. However, the relation between AVG experience and the plasticity of white matter (WM) network still remains unclear. WM network modulates the distribution of action potentials, coordinating the communication between brain regions and acting as the framework of neural networks. And various types of cognitive deficits are usually accompanied by impairments of WM networks. Thus, understanding this relation is essential in assessing the influence of AVG experience on neural plasticity and using AVG experience as an interventional tool for impairments of WM networks. Using graph theory, this study analyzed WM networks in AVG experts and amateurs. Results showed that AVG experience is related to altered WM networks in prefrontal networks, limbic system, and sensorimotor networks, which are related to cognitive control and sensorimotor functions. These results shed new light on the influence of AVG experience on the plasticity of WM networks and suggested the clinical applicability of AVG experience.

  9. Are YouTube videos accurate and reliable on basic life support and cardiopulmonary resuscitation?

    Science.gov (United States)

    Yaylaci, Serpil; Serinken, Mustafa; Eken, Cenker; Karcioglu, Ozgur; Yilmaz, Atakan; Elicabuk, Hayri; Dal, Onur

    2014-10-01

    The objective of this study is to investigate reliability and accuracy of the information on YouTube videos related to CPR and BLS in accord with 2010 CPR guidelines. YouTube was queried using four search terms 'CPR', 'cardiopulmonary resuscitation', 'BLS' and 'basic life support' between 2011 and 2013. Sources that uploaded the videos, the record time, the number of viewers in the study period, inclusion of human or manikins were recorded. The videos were rated if they displayed the correct order of resuscitative efforts in full accord with 2010 CPR guidelines or not. Two hundred and nine videos meeting the inclusion criteria after the search in YouTube with four search terms ('CPR', 'cardiopulmonary resuscitation', 'BLS' and 'basic life support') comprised the study sample subjected to the analysis. Median score of the videos is 5 (IQR: 3.5-6). Only 11.5% (n = 24) of the videos were found to be compatible with 2010 CPR guidelines with regard to sequence of interventions. Videos uploaded by 'Guideline bodies' had significantly higher rates of download when compared with the videos uploaded by other sources. Sources of the videos and date of upload (year) were not shown to have any significant effect on the scores received (P = 0.615 and 0.513, respectively). The videos' number of downloads did not differ according to the videos compatible with the guidelines (P = 0.832). The videos downloaded more than 10,000 times had a higher score than the others (P = 0.001). The majority of You-Tube video clips purporting to be about CPR are not relevant educational material. Of those that are focused on teaching CPR, only a small minority optimally meet the 2010 Resucitation Guidelines. © 2014 Australasian College for Emergency Medicine and Australasian Society for Emergency Medicine.

  10. Problem video game playing is related to emotional distress in adolescents.

    Science.gov (United States)

    Gonzálvez, María T; Espada, José P; Tejeiro, Ricardo

    2017-06-28

    Problem use of video games is an increasing risk behaviour. High exposure of adolescents to video games has been linked to a variety of disorders, but the relationship between problem video game playing and emotional welfare is unknown. The aim of the study is to analyse problem video game playing in a sample of adolescents and to determine whether there are differences between online and offline players, in addition to examining its relationship with anxiety and depressive symptomatology. A sample of adolescents (N = 380) completed self-reports measuring video game use and symptoms of anxiety and depression. We found that 7.4% of females and 30% of males can be considered as playing at problem levels. Online players were almost 12 times more likely to play at high frequency than offline players (χ2 (1, 267) = 72.72, p < .001, OR = 11.63, 95% CI [6.31, 21.43]). Males play more frequently, and play more online (χ2 (1, 267) = 50.85, p < .001, OR = 6.74, 95% CI [3.90, 11.64]), with a clear relationship between problem video game playing and anxiety (r = .24; p < .001). In females, there is a relationship between problem video game playing and depression (r = .19; p < .05). Our findings contribute to a better understanding of the psychological variables involved in problem video game playing. The implementation of strategies is suggested in order to prevent pathological gaming and associated problems.

  11. The Relative Efficacy of Video and Text Tutorials in Online Computing Education

    Science.gov (United States)

    Lang, Guido

    2016-01-01

    This study tests the effects of tutorial format (i.e. video vs. text) on student attitudes and performance in online computing education. A one-factor within-subjects experiment was conducted in an undergraduate Computer Information Systems course. Subjects were randomly assigned to complete two Excel exercises online: one with a video tutorial…

  12. Playing for Real, Video Games and Stories for Health-Related Behavior Change

    Science.gov (United States)

    Video games provide extensive player involvement for large numbers of children and adults, and thereby provide a channel for delivering health behavior change experiences and messages in an engaging and entertaining format. Twenty-seven articles were identified on 25 video games that promoted health...

  13. New concept of 3D printed bone clip (polylactic acid/hydroxyapatite/silk composite) for internal fixation of bone fractures.

    Science.gov (United States)

    Yeon, Yeung Kyu; Park, Hae Sang; Lee, Jung Min; Lee, Ji Seung; Lee, Young Jin; Sultan, Md Tipu; Seo, Ye Bin; Lee, Ok Joo; Kim, Soon Hee; Park, Chan Hum

    2017-10-03

    Open reduction with internal fixation is commonly used for the treatment of bone fractures. However, postoperative infection associated with internal fixation devices (intramedullary nails, plates, and screws) remains a significant complication, and it is technically difficult to fix multiple fragmented bony fractures using internal fixation devices. In addition, drilling in the bone to install devices can lead to secondary fracture, bone necrosis associated with postoperative infection. In this study, we developed bone clip type internal fixation device using three- dimensional (3D) printing technology. Standard 3D model of the bone clip was generated based on computed tomography (CT) scan of the femur in the rat. Polylacticacid (PLA), hydroxyapatite (HA), and silk were used for bone clip material. The purpose of this study was to characterize 3D printed PLA, PLA/HA, and PLA/HA/Silk composite bone clip and evaluate the feasibility of these bone clips as an internal fixation device. Based on the results, PLA/HA/Silk composite bone clip showed similar mechanical property, and superior biocompatibility compared to other types of the bone clip. PLA/HA/Silk composite bone clip demonstrated excellent alignment of the bony segments across the femur fracture site with well-positioned bone clip in an animal study. Our 3D printed bone clips have several advantages: (1) relatively noninvasive (drilling in the bone is not necessary), (2) patient-specific design (3) mechanically stable device, and (4) it provides high biocompatibility. Therefore, we suggest that our 3D printed PLA/HA/Silk composite bone clip is a possible internal fixation device.

  14. Mechanics of mitral valve edge-to-edge-repair and MitraClip procedure.

    Science.gov (United States)

    Bhattacharya, Shamik; He, Zhaoming

    2015-01-01

    The edge-to-edge repair (ETER) technique has been used as a stand-alone procedure, or as a secondary procedure with ring annuloplasty for degenerative, functional mitral regurgitation, or for mitral regurgitation of other kinds of valvular etiologies. The percutaneous MitraClip technique based on ETER has been used in patients who are inoperable or at high surgical risk. However, adverse events such as residual mitral regurgitation, and clip detachment or fracture indicate that the mechanics underlying these procedures is not well understood. Therefore, current studies on mitral valve functionality and mechanics related to the ETER and MitraClip procedures are reviewed to improve the efficacy and safety of both procedures. Extensive in vivo, in vitro, and in silico studies related to ETER and MitraClip procedures along with MitraClip clinical trial results are presented and discussed herein. The ETER suture force and the mitral valve tissue mechanics and hemodynamics of each procedure are discussed. A quantitative understanding of the interplay of mitral valve components and as to biological response to the procedures remains challenging. Based on mitral valve mechanics, ETER or MitraClip therapy can be optimized to enhance repair efficacy and durability.

  15. Clip art rendering of smooth isosurfaces.

    Science.gov (United States)

    Stroila, Matei; Eisemann, Elmar; Hart, John

    2008-01-01

    Clip art is a simplified illustration form consisting of layered filled polygons or closed curves used to convey 3D shape information in a 2D vector graphics format. This paper focuses on the problem of direct conversion of smooth surfaces, ranging from the free-form shapes of art and design to the mathematical structures of geometry and topology, into a clip art form suitable for illustration use in books, papers and presentations. We show how to represent silhouette, shadow, gleam and other surface feature curves as the intersection of implicit surfaces, and derive equations for their efficient interrogation via particle chains. We further describe how to sort, orient, identify and fill the closed regions that overlay to form clip art. We demonstrate the results with numerous renderings used to illustrate the paper itself.

  16. YouTube™ videos related to e-cigarette safety and related health risks: implications for preventing and emerging epidemic

    National Research Council Canada - National Science Library

    Basch, C.H; Basch, C.E; Mongiovi, J; Hillyer, G.C; MacDonald, Z

    2016-01-01

    ... of American adolescents rely on information accessed through the Internet, we identified the most widely viewed videos on e-cigarette safety on YouTube.com™ (the highly used video sharing platform), 4 and described number of views, source of upload, content, length, and date uploaded. Methodology A search of YouTube.com™ was conducted during Augu...

  17. Sizing algorithm with continuous customizable clipping

    Science.gov (United States)

    Morales, Domingo; Baytelman, Felipe; Araya, Hugo

    2008-10-01

    Polygon sizing is required during Mask Data Preparation in order to generate derived layers and as process bias to account for edge effects of etching. Two main features are required for polygon sizing algorithms to be useful in Mask Data Preparation software: correctness to avoid data corruption and clipping of the projection of acute angle vertices to limit connectivity modifications. However, current available solutions are either based on heuristics, producing corrupted results for certain input, or based on algorithms which may fail to maintain original design's connectivity for certain input. A novel algorithm including customizable clipping is presented.

  18. Sacral Tarlov cyst: surgical treatment by clipping.

    Science.gov (United States)

    Cantore, Giampaolo; Bistazzoni, Simona; Esposito, Vincenzo; Tola, Serena; Lenzi, Jacopo; Passacantilli, Emiliano; Innocenzi, Gualtiero

    2013-02-01

    This study reports the anatomopathological classification of Tarlov cysts and the various treatment techniques described in the literature. The authors present their patient series (19 cases) with a long follow-up (range 9 months to 25 years) treated by cyst remodeling around the root using titanium clips. The technique is effective in both avoiding cerebrospinal fluid leakage and resolving bladder dysfunction when urinary symptoms are incomplete and discontinuous. The clipping technique for Tarlov cysts is easy, valid, safe, rapid, and effective. Copyright © 2013 Elsevier Inc. All rights reserved.

  19. [Closure of the left atrial appendage by means of the AtriClip System].

    Science.gov (United States)

    Mokráček, Aleš; Kurfirst, Vojtěch; Bulava, Alan; Haniš, Jiří

    Atrial fibrillation (AFib) is related to a high risk of stroke. The main role in etiopathogenesis is played by the left atrial appendage (LAA). As many as 95 % of thrombi in nonvalvular atrial fibrillation are located in the appendage. Prevention of stroke then consists in permanent anticoagulation which, however, has its limits and risks. An alternative method is the left atrial appendage occlusion. In our report, we would like to present a new possibility of the closure using the epicardial system AtriClip (AtriCure). In the period beginning in July 2012 - September 2015 we performed LAA closure in 101 patients. A mean age of 65 ± 6 years, 47 women, CHA2DS2 VASc (Ø) 2.47 (0-6). Monitoring 1 837 (Ø 18.5) months. A concomitant procedure was performed in 37 patients, endoscopic MAZE plus clip in 57 patients, and 7 patients underwent stand-alone implantation of the clip. The clip was implanted from full sternotomy, minitoracotomy or through thoracoscopy. Clip loading, residual recess and endoleak were assessed through endoscopic ultrasound according to the Cleveland criteria. The perioperative success rate of loading reached 98 %. The clip was loaded with a neck greater than 1 cm in 2 patients. No migration of the clip occurred, no endoleak was detected and no thrombus at the appendage base was detected. One case of periprocedural stroke was recorded. Within follow-up monitoring TIA occurred in 4 patients and no stroke was recorded. Epicardial LAA occlusion using the AtriClip system is a safe and reproducible method of LAA occlusion and an important alternative in the prevention of stroke.Key words: atrial fibrillation - occlusion of left atrial appendage - stroke.

  20. Comparison of relative effectiveness of video with serial visual presentation for target reconnaissance from UASs

    Science.gov (United States)

    Skirlo, Frank E.; Matthews, Anthony J.; Friedman, Melvin; Mark, Brian L.

    2016-05-01

    Reconnaissance from an unmanned aerial systems (UAS) is often done using video presentation. An alternate method is Serial Visual Presentation (SVP). In SVP, a static image remains in view until replaced by a new image at a rate equivalent to the live video. Mardell et al. have shown, in a forested environment, that a higher fraction of targets (people lost in the forest), are found with SVP than with video presentation. Here Mardell's experiment is repeated for military targets in forested terrain at a fixed altitude. We too find a higher fraction of targets are found using SVP rather than video presentation. Typically it takes five seconds to cover a video field of view and at 30 frames per second. This implies that, for scenes where the target is not moving, 150 video images have nearly identical information (from a reconnaissance point of view) as a single SVP image. This is highly significant since transmission bandwidth is a limiting factor for most UASs. Finding targets in video or in SVP is an arduous task. For that reason we also compare aided target detection performance (Aided SVP) and unaided target detection performance on SVP images.

  1. Measured Self-Esteem and Locus of Control of Students Related to Video Game, Home Computer, and Television Viewing Involvement.

    Science.gov (United States)

    Wiggins, James D.

    This study was designed to investigate the influence of television on the lives of young people and the correlation between home computer programming, the playing of video games at home, and the playing of arcade games out of the home related to self-esteem and locus of control. Subjects were 405 students in grades 4 through 12 from 21 classrooms…

  2. Do videos improve website satisfaction and recall of online cancer-related information in older lung cancer patients?

    NARCIS (Netherlands)

    Bol, N.; Smets, E.M.A.; Rutgers, M.M.; Burgers, J.A.; de Haes, H.C.J.M.; Loos, E.F.; van Weert, J.C.M.

    2013-01-01

    Objective This study investigated the effects of personalized audiovisual information in addition to text on website satisfaction and recall of cancer-related online information in older lung cancer patients. Methods An experiment using a 3 (condition: text only vs. text with nonpersonalized video

  3. Effects of clipping and soil compaction on growth, morphology and mycorrhizal colonization of Schizachyrium scoparium, a C4 bunchgrass.

    Science.gov (United States)

    Wallace, L L

    1987-06-01

    A factorial design of clipping and compaction was used to study the responses of Schizachyrium scoparium and its mycorrhizal symbionts to these stresses. All treatment combinations significantly reduced the growth and biomass of plants relative to controls. Compaction significantly reduced tillering and crown expansion while clipping increased tillering early in the growing season and reduced it later. Mycorrhizal colonization of roots was highest in the clipped plots and lowest in compacted plots. Spore number was highest in compacted plots and lowest in clipped plots. It appears that spore number may be negatively correlated with root growth since any treatment that reduced plant growth yielded higher spore numbers. The combination of clipping and compaction reduced plant growth the most, but had intermediate effects on mycorrhizal colonization and spore number.

  4. Utility of nonpenetrating titanium clips for dural closure during spinal surgery to prevent postoperative cerebrospinal fluid leakage.

    Science.gov (United States)

    Ito, Kiyoshi; Aoyama, Tatsuro; Horiuchi, Tetsuyoshi; Hongo, Kazuhiro

    2015-12-01

    The nonpenetrating titanium clip has been successfully used in peripheral arterial bypass surgery. The purpose of this study was to evaluate the leakage pressures and patterns of nonpenetrating titanium clips using a simple model that mimicked spinal surgery. In addition, the authors describe their surgical experience with these clips and the follow-up results in 31 consecutive patients. The authors compared nonpenetrating titanium clips and expanded polytetrafluoroethylene (ePTFE) sutures in relation to the water pressure that could be tolerated by sutured ePTFE sheets, and the leakage pressure patterns were determined. The changes in leakage pressures at 5 minutes, 30 minutes, and 12 hours were examined when the clips and sutures were used in combination with the mesh-and-glue technique in an in vitro study. Thirty-one patients underwent spinal intradural procedures using nonpenetrating titanium clips to suture the dura maters using the meshand-glue technique, involving fibrin glue and polyglycolic acid-fibrin sheets. A significant difference was apparent between the ePTFE suture group and the nonpenetrating titanium clip group, with the latter showing a leakage pressure that could be sustained and was 1508% higher than that of the former (p = 0.001). In relation to leakage patterns, the nonpenetrating titanium clips did not make any suture holes in the ePTFE sheet and fluid leakage occurred between the clips, whereas fluid leakage was associated with the pressure elevation that occurred at the suture holes made by the ePTFE sutures. Of the 31 patients who underwent spinal intradural procedures using nonpenetrating titanium clips, 1 (3.2%) experienced cerebrospinal fluid (CSF) leakage postoperatively. No other complications-for example, allergic reactions, adhesions, or infections--were encountered. The interrupted placement of nonpenetrating titanium clips enables dural closure without creating any holes. These clips facilitate improvements in the initial

  5. Problem video game playing is related to emotional distress in adolescents

    National Research Council Canada - National Science Library

    2017-01-01

    ... its relationship with anxiety and depressive symptomatology. A sample of adolescents (N = 380) completed self-reports measuring video game use and symptoms of anxiety and depression. We found that 7.4% of females and 30...

  6. Medical student attitudes toward video games and related new media technologies in medical education

    National Research Council Canada - National Science Library

    Kron, Frederick W; Gjerde, Craig L; Sen, Ananda; Fetters, Michael D

    2010-01-01

    Studies in K-12 and college students show that their learning preferences have been strongly shaped by new media technologies like video games, virtual reality environments, the Internet, and social networks...

  7. Playing for real: video games and stories for health-related behavior change

    National Research Council Canada - National Science Library

    Baranowski, Tom; Buday, Richard; Thompson, Debbe I; Baranowski, Janice

    2008-01-01

    Video games provide extensive player involvement for large numbers of children and adults, and thereby provide a channel for delivering health behavior change experiences and messages in an engaging...

  8. Video feedback promotes relations between infants and vulnerable first-time mothers

    DEFF Research Database (Denmark)

    Kristensen, Ingeborg Hedegaard; Simonsen, Marianne; Trillingsgaard, Tea

    2017-01-01

    BACKGROUND: Supporting early mother-infant relationships to ensure infants' future health has been recommended. The aim of this study was to investigate whether video feedback using the Marte Meo method promotes a healthy early relationship between infants and vulnerable first-time mothers. Video...... video subsample from the comparison group (n = 63). Data consisted of self-reported questionnaires and video recordings of mother-infant interactions. Outcomes were mother-infant dyadic synchrony (CARE-Index), maternal confidence (KPCS), parental stress (PSS), maternal mood (EPDS) and infant...... socialemotional behaviours (ASQ:SE). The data were analysed using descriptive and linear multiple regression analysis. RESULTS: The levels of dyadic synchrony in the intervention group had significantly improved (p 

  9. Detectability of Hygroscopic Clips Used in Breast Cancer Surgery.

    Science.gov (United States)

    Carmon, Moshe; Olsha, Oded; Gekhtman, David; Nikitin, Irena; Cohen, Yamin; Messing, Michael; Lioubashevsky, Natali; Abu Dalo, Ribhi; Hadar, Tal; Golomb, Eliahu

    2017-02-01

    Sonographically detectable clips were introduced over the last decade. We retrospectively studied the rate and duration of sonographically detectable clip detectability in patients with breast cancer who had sonographically detectable clips inserted over a 2-year period. Nine of 26 patients had neoadjuvant chemotherapy, with all clips remaining detectable 140 to 187 days after insertion. Six of the 9 had intraoperative sonographic localization, with 1 reoperation (17%). Eleven additional patients with nonpalpable tumors and sonographically detectable clips had intraoperative sonographic localization with 1 reoperation (9%). In 1 patient, a sonographically detectable clip enabled intraoperative identification of a suspicious lymph node. There were no complications or clip migration. Sonographically detectable clips are helpful in breast cancer surgery with and without neoadjuvant chemotherapy, remaining detectable for many months and often averting preoperative localization and scheduling difficulties. © 2016 by the American Institute of Ultrasound in Medicine.

  10. VIDEO BLOGGING AND ENGLISH PRESENTATION PERFORMANCE: A PILOT STUDY.

    Science.gov (United States)

    Alan Hung, Shao-Ting; Danny Huang, Heng-Tsung

    2015-10-01

    This study investigated the utility of video blogs in improving EFL students' performance in giving oral presentations and, further, examined the students' perceptions toward video blogging. Thirty-six English-major juniors participated in a semester-long video blog project for which they uploaded their 3-min. virtual presentation clips over 18 weeks. Their virtual presentation clips were rated by three raters using a scale for speaking performance that contained 14 presentation skills. Data sources included presentation clips, reflections, and interviews. The results indicated that the students' overall presentation performance improved significantly. In particular, among the 14 presentation skills projection, intonation, posture, introduction, conclusion, and purpose saw the most substantial improvement. Finally, the qualitative data revealed that learners perceived that the video blog project facilitated learning but increased anxiety.

  11. Video modelling and reducing anxiety related to dental injections - a randomised clinical trial.

    Science.gov (United States)

    Al-Namankany, A; Petrie, A; Ashley, P

    2014-06-01

    This study was part of a successfully completed PhD and was presented at the IADR/AADR General Session (2013) in Seattle, Washington, USA. The report of this clinical trial conforms to the CONSORT statement. A randomised controlled trial to investigate if video modelling can influence a child's anxiety before the administration of local anaesthesia (LA). A sample of 180 (6- to 12-year-old) children due to have dental treatments under LA were randomly allocated to the modelling video or the control video (oral hygiene instruction). The level of anxiety was recorded before and after watching the video on the Abeer Children Dental Anxiety Scale (ACDAS) and the child's ability to cope with the subsequent procedure was assessed on the visual analogue scale (VAS). A two group chi-square test was used as the basis for the sample size calculation; a significance level of 0.025 was chosen rather than the conventional 0.05 to avoid spurious results arising from multiple testing. Children in the test group had significantly less anxiety after watching the video than children in the control group throughout the subsequent dental procedure; in particular at the time of the LA administration (p Video modelling appeared to be effective at reducing dental anxiety and has a significant impact on needle phobia in children.

  12. Photovoltaic module mounting clip with integral grounding

    Science.gov (United States)

    Lenox, Carl J.

    2010-08-24

    An electrically conductive mounting/grounding clip, usable with a photovoltaic (PV) assembly of the type having an electrically conductive frame, comprises an electrically conductive body. The body has a central portion and first and second spaced-apart arms extending from the central portion. Each arm has first and second outer portions with frame surface-disrupting element at the outer portions.

  13. Effect of a reminder video using a mobile phone on the retention of CPR and AED skills in lay responders.

    Science.gov (United States)

    Ahn, Ji Yun; Cho, Gyu Chong; Shon, You Dong; Park, Seung Min; Kang, Ku Hyun

    2011-12-01

    Skills related to cardiopulmonary resuscitation (CPR) and automated external defibrillator (AED) use by lay responders decay rapidly after training, and efforts are required to maintain competence among trainees. We examined whether repeated viewing of a reminder video on a mobile phone would be an effective means of maintaining CPR and AED skills in lay responders. In a single-blind case-control study, 75 male students received training in CPR and AED use. They were allocated either to the control or to the video-reminded group, who received a memory card containing a video clip about CPR and AED use for their mobile phone, which they were repeatedly encouraged to watch by SMS text message. CPR and AED skills were assessed in scenario format by examiners immediately and 3 months after initial training. Three months after initial training, the video-reminded group showed more accurate airway opening (PAED electrode positioning (Pa reminder video clip on a mobile phone increases retention of CPR and AED skills in lay responders. Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.

  14. Eye movements while viewing narrated, captioned, and silent videos

    Science.gov (United States)

    Ross, Nicholas M.; Kowler, Eileen

    2013-01-01

    Videos are often accompanied by narration delivered either by an audio stream or by captions, yet little is known about saccadic patterns while viewing narrated video displays. Eye movements were recorded while viewing video clips with (a) audio narration, (b) captions, (c) no narration, or (d) concurrent captions and audio. A surprisingly large proportion of time (>40%) was spent reading captions even in the presence of a redundant audio stream. Redundant audio did not affect the saccadic reading patterns but did lead to skipping of some portions of the captions and to delays of saccades made into the caption region. In the absence of captions, fixations were drawn to regions with a high density of information, such as the central region of the display, and to regions with high levels of temporal change (actions and events), regardless of the presence of narration. The strong attraction to captions, with or without redundant audio, raises the question of what determines how time is apportioned between captions and video regions so as to minimize information loss. The strategies of apportioning time may be based on several factors, including the inherent attraction of the line of sight to any available text, the moment by moment impressions of the relative importance of the information in the caption and the video, and the drive to integrate visual text accompanied by audio into a single narrative stream. PMID:23457357

  15. Pulse-train Stimulation of Primary Somatosensory Cortex Blocks Pain Perception in Tail Clip Test.

    Science.gov (United States)

    Lee, Soohyun; Hwang, Eunjin; Lee, Dongmyeong; Choi, Jee Hyun

    2017-04-01

    Human studies of brain stimulation have demonstrated modulatory effects on the perception of pain. However, whether the primary somatosensory cortical activity is associated with antinociceptive responses remains unknown. Therefore, we examined the antinociceptive effects of neuronal activity evoked by optogenetic stimulation of primary somatosensory cortex. Optogenetic transgenic mice were subjected to continuous or pulse-train optogenetic stimulation of the primary somatosensory cortex at frequencies of 15, 30, and 40 Hz, during a tail clip test. Reaction time was measured using a digital high-speed video camera. Pulse-train optogenetic stimulation of primary somatosensory cortex showed a delayed pain response with respect to a tail clip, whereas no significant change in reaction time was observed with continuous stimulation. In response to the pulse-train stimulation, video monitoring and local field potential recording revealed associated paw movement and sensorimotor rhythms, respectively. Our results show that optogenetic stimulation of primary somatosensory cortex at beta and gamma frequencies blocks transmission of pain signals in tail clip test.

  16. 21 CFR 886.3100 - Ophthalmic tantalum clip.

    Science.gov (United States)

    2010-04-01

    ... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Ophthalmic tantalum clip. 886.3100 Section 886...) MEDICAL DEVICES OPHTHALMIC DEVICES Prosthetic Devices § 886.3100 Ophthalmic tantalum clip. (a) Identification. An ophthalmic tantalum clip is a malleable metallic device intended to be implanted permanently...

  17. 21 CFR 882.5225 - Implanted malleable clip.

    Science.gov (United States)

    2010-04-01

    ... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Implanted malleable clip. 882.5225 Section 882...) MEDICAL DEVICES NEUROLOGICAL DEVICES Neurological Therapeutic Devices § 882.5225 Implanted malleable clip. (a) Identification. An implanted malleable clip is a bent wire or staple that is forcibly closed with...

  18. 21 CFR 886.1410 - Ophthalmic trial lens clip.

    Science.gov (United States)

    2010-04-01

    ... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Ophthalmic trial lens clip. 886.1410 Section 886...) MEDICAL DEVICES OPHTHALMIC DEVICES Diagnostic Devices § 886.1410 Ophthalmic trial lens clip. (a) Identification. An ophthalmic trial lens clip is a device intended to hold prisms, spheres, cylinders, or...

  19. The Effects of Multimodality through Storytelling Using Various Movie Clips

    Science.gov (United States)

    Kim, SoHee

    2016-01-01

    This study examines the salient multimodal approaches for communicative competence and learners' reactions through storytelling tasks with three different modes: a silent movie clip, a movie clip with only sound effects, and a movie clip with sound effects and dialogue. In order to measure different multimodal effects and to define better delivery…

  20. Fullerene as alligator clips for electrical conduction through ...

    Indian Academy of Sciences (India)

    2017-04-20

    Apr 20, 2017 ... presented the suitability of fullerene anchoring in coupling anthracene molecule with gold electrodes. AMJ with boron-20 (B-20) and C-20 alligator clips exhibited strongest conduction in contrast to nitrogen, oxygen, fluorine and neon alligator clips. Keywords. HOMO; LUMO; fullerenes; alligator clips; ...

  1. Nonpenetrating vascular clips for small-caliber anastomosis

    NARCIS (Netherlands)

    Zeebregts, CJ; Van den Dungen, JJ; Kalicharan, D; Cromheecke, M; Van der Want, J

    2000-01-01

    In the search for better anastomosing techniques, an improved vascular stapler device (VCS clip applier system(R)) has been introduced. The system uses nonpenetrating clips to approximate everted vessel walls. The objective of this study was to determine the effects of nonpenetrating vascular clips

  2. Role of video games in improving health-related outcomes: a systematic review.

    Science.gov (United States)

    Primack, Brian A; Carroll, Mary V; McNamara, Megan; Klem, Mary Lou; King, Brandy; Rich, Michael; Chan, Chun W; Nayak, Smita

    2012-06-01

    Video games represent a multibillion-dollar industry in the U.S. Although video gaming has been associated with many negative health consequences, it also may be useful for therapeutic purposes. The goal of this study was to determine whether video games may be useful in improving health outcomes. Literature searches were performed in February 2010 in six databases: the Center on Media and Child Health Database of Research, MEDLINE, CINAHL, PsycINFO, EMBASE, and the Cochrane Central Register of Controlled Trials. Reference lists were hand-searched to identify additional studies. Only RCTs that tested the effect of video games on a positive, clinically relevant health consequence were included. Study selection criteria were strictly defined and applied by two researchers working independently. Study background information (e.g., location, funding source); sample data (e.g., number of study participants, demographics); intervention and control details; outcomes data; and quality measures were abstracted independently by two researchers. Of 1452 articles retrieved using the current search strategy, 38 met all criteria for inclusion. Eligible studies used video games to provide physical therapy, psychological therapy, improved disease self-management, health education, distraction from discomfort, increased physical activity, and skills training for clinicians. Among the 38 studies, a total of 195 health outcomes were examined. Video games improved 69% of psychological therapy outcomes, 59% of physical therapy outcomes, 50% of physical activity outcomes, 46% of clinician skills outcomes, 42% of health education outcomes, 42% of pain distraction outcomes, and 37% of disease self-management outcomes. Study quality was generally poor; for example, two thirds (66%) of studies had follow-up periods of video games to improve health outcomes, particularly in the areas of psychological therapy and physical therapy. RCTs with appropriate rigor will help build evidence in this

  3. Using Progressive Video Prompting to Teach Students with Moderate Intellectual Disability to Shoot a Basketball

    Science.gov (United States)

    Lo, Ya-yu; Burk, Bradley; Burk, Bradley; Anderson, Adrienne L.

    2014-01-01

    The current study examined the effects of a modified video prompting procedure, namely progressive video prompting, to increase technique accuracy of shooting a basketball in the school gymnasium of three 11th-grade students with moderate intellectual disability. The intervention involved participants viewing video clips of an adult model who…

  4. Internet and video game use in relation to overweight in young adults.

    Science.gov (United States)

    Melchior, Maria; Chollet, Aude; Fombonne, Eric; Surkan, Pamela J; Dray-Spira, Rosemary

    2014-01-01

    To examine the relationship between interactive media use (Internet and video games) and overweight risk in young adults. Prospective cohort study. France (TEMPO study). Community sample of 674 young adults aged 22 to 35 in 2009 (response rate to the original mail out: 44.3%). Data were collected through mail-based questionnaires from study participants in 1999 (juvenile overweight, juvenile TV use) and 2009 (overweight, Internet and video game use, regular physical activity), and from their parents who participated in the GAZEL study from 1989 to 2009 (parental overweight). Logistic regression. Participants who engaged in regular video game use (>1 time/wk) were more likely to be overweight than those who did not (odds ratio [OR] 2.20, 95% confidence interval [CI] 1.42-3.42). Adjusting for sex, regular athletic activity, juvenile overweight, juvenile TV use, and parental overweight, the OR associated with video game use decreased but remained statistically significant (OR 1.94, 95% CI 1.15-3.28). We found no significant association between Internet use and overweight. Video game use may be a relevant target for interventions aiming to decrease the burden of overweight and associated consequences in young adults.

  5. Video Games and Citizenship

    National Research Council Canada - National Science Library

    Bourgonjon, Jeroen; Soetaert, Ronald

    2013-01-01

    ... by exploring a particular aspect of digitization that affects young people, namely video games. They explore the new social spaces which emerge in video game culture and how these spaces relate to community building and citizenship...

  6. Effects of Video Feedback on Early Coercive Parent–Child Interactions: The Intervening Role of Caregivers’ Relational Schemas

    Science.gov (United States)

    Smith, Justin D.; Dishion, Thomas J.; Moore, Kevin J.; Shaw, Daniel S.; Wilson, Melvin N.

    2013-01-01

    Objective We examined the effect of adding a video feedback intervention component to the assessment feedback session of the Family Check-Up intervention (FCU; Dishion & Stormshak, 2007). We hypothesized that the addition of video feedback procedures during the FCU feedback at child age 2 would have a positive effect on caregivers’ negative relational schemas of their child, which in turn would mediate reductions in observed coercive caregiver-child interactions assessed at age 5. Method We observed the caregiver-child interaction videotapes of 79 high-risk families with toddlers exhibiting clinically significant problem behaviors. A quasi-random sample of families were provided with direct feedback on their interactions during the feedback session of the FCU protocol. Results Path analysis indicated that reviewing and engaging in feedback about videotaped age-2 assessment predicted reduced caregivers’ negative relational schemas of the child at age 3, which acted as an intervening variable on the reduction of observed parent–child coercive interactions recorded at age 5. Video feedback predicted improved family functioning over and above level of engagement in the FCU in subsequent years, indicating the important incremental contribution of using video feedback procedures in early family-based preventive interventions for problem behaviors. Conclusions Supportive video feedback on coercive family dynamics is an important strategy for promoting caregiver motivation to reduce negative attributions toward the child, which fuel coercive interactions. Our study also contributes to the clinical and research literature concerning coercion theory and effective intervention strategies by identifying a potential mechanism of change. PMID:23534831

  7. Person Identification from Video with Multiple Biometric Cues: Benchmarks for Human and Machine Performance

    National Research Council Canada - National Science Library

    O'Toole, Alice

    2003-01-01

    .... Experiments have been completed comparing the effects of several types of facial motion on face recognition, the effects of face familiarity on recognition from video clips taken at a distance...

  8. Humorous Videos and Idiom Achievement: Some Pedagogical Considerations for EFL Learners

    Directory of Open Access Journals (Sweden)

    Malihe Neissari

    2017-10-01

    Full Text Available Employing a quasi-experimental design, this study examined the efficacy of humorous idiom video clips on the achievement of Iranian undergraduate students studying English as a Foreign Language (EFL. Forty humorous video clips from the English Idiom Series called “The Teacher” from the BBC website were used to teach 120 idioms to 61 undergraduate students at the University of Bojnord (UB. A 40-item idiom pretest was given to the experimental group (EG and the control group (CG while an independent-samples t-test was used to compare the means of these two groups based on posttest scores. A 15-item attitudinal questionnaire captured participants’ attitudes toward learning English idioms through video clips. The results indicate that there was a significant difference between the EG and CG mean scores: humorous video clips do facilitate EFL learners’ idioms achievement and learners exhibit a positive attitude toward their application in the classroom.

  9. Classroom Use. Clip and Save.

    Science.gov (United States)

    Hubbard, Guy

    2002-01-01

    Provides background information focusing on the life and career of Pablo Picasso. Includes learning activities related to Picasso and his artwork "Weeping Woman." Offers information on the subject matter of the chosen painting, a distraught, sobbing woman. (CMK)

  10. Combining video and sequential statistical relational techniques to monitor card games

    OpenAIRE

    Antanas, Laura; Gutmann, Bernd; Thon, Ingo; Kersting, Kristian; De Raedt, Luc

    2010-01-01

    Games are a multi-billion dollar industry and a driving force behind technology. The key to make computer games more interesting is to create intelligent artificial game agents. A first step is teaching them the protocols to play a game. To the best of our knowledge, most systems which train AI agents are used in virtual environments. In this work we train a computer system in a real-world environment by video streams. First, we demonstrate a way to bridge the gap between low-level video data...

  11. A P300 event related potential technique for assessment of sexually oriented interest.

    Science.gov (United States)

    Vardi, Yoram; Volos, Michal; Sprecher, Elliot; Granovsky, Yelena; Gruenwald, Ilan; Yarnitsky, David

    2006-12-01

    Despite all of the modern, sophisticated tests that exist for diagnosing and assessing male and female sexual disorders, to our knowledge there is no objective psychophysiological test to evaluate sexual arousal and interest. We provide preliminary data showing a decrease in auditory P300 wave amplitude during exposure to sexually explicit video clips and a significant correlation between the auditory P300 amplitude decrease and self-reported scores of sexual arousal and interest in the clips. A total of 30 healthy subjects were exposed to several blocks of auditory stimuli administered using an oddball paradigm. Baseline auditory P300 amplitudes were obtained and auditory stimuli were then delivered while viewing visual clips with 3 types of content, including sport, scenery and sex. Auditory P300 amplitude significantly decreased during viewing clips of all contents. Viewing sexual content clips caused a maximal decrease in P300 amplitude (p P300 amplitude decrease was significantly related to the sexual interest score (r = 0.37, p = 0.042) but not to interest in clips of nonsexual content. The change in auditory P300 amplitude during exposure to visual stimuli with sexual context seems to be an objective measure of subject sexual interest. This method might be applied to assess therapeutic intervention and as a diagnostic tool for assessing disorders of impaired libido or psychogenic sexual dysfunction.

  12. Comparing apples and oranges: assessment of the relative video quality in the presence of different types of distortions

    DEFF Research Database (Denmark)

    Reiter, Ulrich; Korhonen, Jari; You, Junyong

    2011-01-01

    Video quality assessment is essential for the performance analysis of visual communication applications. Objective metrics can be used for estimating the relative quality differences, but they typically give reliable results only if the compared videos contain similar types of quality distortion...... well different objective quality metrics estimate the relative subjective quality levels for content with different types of quality distortions. Our conclusion is that none of the studied objective metrics works reliably for assessing the co-impact of compression artifacts and transmission errors...... on the subjective quality. Nevertheless, we have observed that the objective metrics' tendency to either over- or underestimate the perceived impact of transmission errors has a high correlation with the spatial and temporal activity levels of the content. Therefore, our results can be useful for improving...

  13. Training model for cerebral aneurysm clipping

    Directory of Open Access Journals (Sweden)

    Hiroshi Tenjin, M.D., Ph.D.

    2017-12-01

    Full Text Available Clipping of cerebral aneurysms is still an important skill in neurosurgery. We have made a training model for the clipping of cerebral aneurysms. The concepts for the model were 1: training model for beginners, 2: three dimensional manipulation using an operating microscope, 3: the aneurysm model is to be perfused by simulated blood causing premature rupture. The correct relationship between each tissue, and softness of the brain and vessels were characteristics of the model. The skull, brain, arteries, and veins were made using a 3D printer with data from DICOM. The brain and vessels were made from polyvinyl alcohol (PVA. One training course was held and this model was useful for training of cerebral aneurysm surgery for young neurosurgeons.

  14. A Comparative Study of Video Presentation Modes in Relation to L2 Listening Success

    Science.gov (United States)

    Li, Chen-Hong

    2016-01-01

    Video comprehension involves interpreting both sounds and images. Research has shown that processing an aural text with relevant pictorial information effectively enhances second/foreign language (L2) listening comprehension. A hypothesis underlying this mixed-methods study is that a visual-only silent film used as an advance organiser to activate…

  15. Video Games as a Means to Reduce Age-related Cognitive Decline: Attitudes, Compliance, and Effectiveness

    Directory of Open Access Journals (Sweden)

    Walter R. Boot

    2013-02-01

    Full Text Available Recent research has demonstrated broad benefits of video game play to perceptual and cognitive abilities. These broad improvements suggest that video game-based cognitive interventions may be ideal to combat the many perceptual and cognitive declines associated with advancing age. Furthermore, game interventions have the potential to induce higher rates of intervention compliance compared to other cognitive interventions as they are assumed to be inherently enjoyable and motivating. We explored these issues in an intervention that tested the ability of an action game and a brain fitness game to improve a variety of abilities. Cognitive abilities did not significantly improve, suggesting caution when recommending video game interventions as a means to reduce the effects of cognitive aging. However, the game expected to produce the largest benefit based on previous literature (an action game induced the lowest intervention compliance. We explain this low compliance by participants’ ratings of the action game as less enjoyable and by their prediction that training would have few meaningful benefits. Despite null cognitive results, data provide valuable insights into the types of video games older adults are willing to play and why.

  16. Video games as a means to reduce age-related cognitive decline: attitudes, compliance, and effectiveness.

    Science.gov (United States)

    Boot, Walter R; Champion, Michael; Blakely, Daniel P; Wright, Timothy; Souders, Dustin J; Charness, Neil

    2013-01-01

    Recent research has demonstrated broad benefits of video game play to perceptual and cognitive abilities. These broad improvements suggest that video game-based cognitive interventions may be ideal to combat the many perceptual and cognitive declines associated with advancing age. Furthermore, game interventions have the potential to induce higher rates of intervention compliance compared to other cognitive interventions as they are assumed to be inherently enjoyable and motivating. We explored these issues in an intervention that tested the ability of an action game and a "brain fitness" game to improve a variety of abilities. Cognitive abilities did not significantly improve, suggesting caution when recommending video game interventions as a means to reduce the effects of cognitive aging. However, the game expected to produce the largest benefit based on previous literature (an action game) induced the lowest intervention compliance. We explain this low compliance by participants' ratings of the action game as less enjoyable and by their prediction that training would have few meaningful benefits. Despite null cognitive results, data provide valuable insights into the types of video games older adults are willing to play and why.

  17. CLIPS based decision support system for water distribution networks

    Directory of Open Access Journals (Sweden)

    K. Sandeep

    2011-10-01

    Full Text Available The difficulty in knowledge representation of a water distribution network (WDN problem has contributed to the limited use of artificial intelligence (AI based expert systems (ES in the management of these networks. This paper presents a design of a Decision Support System (DSS that facilitates "on-demand'' knowledge generation by utilizing results of simulation runs of a suitably calibrated and validated hydraulic model of an existing aged WDN corresponding to emergent or even hypothetical but likely scenarios. The DSS augments the capability of a conventional expert system by integrating together the hydraulic modelling features with heuristics based knowledge of experts under a common, rules based, expert shell named CLIPS (C Language Integrated Production System. In contrast to previous ES, the knowledge base of the DSS has been designed to be dynamic by superimposing CLIPS on Structured Query Language (SQL. The proposed ES has an inbuilt calibration module that enables calibration of an existing (aged WDN for the unknown, and unobservable, Hazen-Williams C-values. In addition, the daily run and simulation modules of the proposed ES further enable the CLIPS inference engine to evaluate the network performance for any emergent or suggested test scenarios. An additional feature of the proposed design is that the DSS integrates computational platforms such as MATLAB, open source Geographical Information System (GIS, and a relational database management system (RDBMS working under the umbrella of the Microsoft Visual Studio based common user interface. The paper also discusses implementation of the proposed framework on a case study and clearly demonstrates the utility of the application as an able aide for effective management of the study network.

  18. Illustrating the Epitranscriptome at Nucleotide Resolution Using Methylation-iCLIP (miCLIP).

    Science.gov (United States)

    George, Harry; Ule, Jernej; Hussain, Shobbir

    2017-01-01

    Next-generation sequencing technologies have enabled the transcriptome to be profiled at a previously unprecedented speed and depth. This yielded insights into fundamental transcriptomic processes such as gene transcription, RNA processing, and mRNA splicing. Immunoprecipitation-based transcriptomic methods such as individual nucleotide resolution crosslinking immunoprecipitation (iCLIP) have also allowed high-resolution analysis of the RNA interactions of a protein of interest, thus revealing new regulatory mechanisms. We and others have recently modified this method to profile RNA methylation, and we refer to this customized technique as methylation-iCLIP (miCLIP). Variants of miCLIP have been used to map the methyl-5-cytosine (m5C) or methyl-6-adenosine (m6A) modification at nucleotide resolution in the human transcriptome. Here we describe the m5C-miCLIP protocol, discuss how it yields the nucleotide-resolution RNA modification maps, and comment on how these have contributed to the new field of molecular genetics research coined "epitranscriptomics."

  19. Videos for Science Communication and Nature Interpretation: The TIB|AV-Portal as Resource.

    Science.gov (United States)

    Marín Arraiza, Paloma; Plank, Margret; Löwe, Peter

    2016-04-01

    Scientific audiovisual media such as videos of research, interactive displays or computer animations has become an important part of scientific communication and education. Dynamic phenomena can be described better by audiovisual media than by words and pictures. For this reason, scientific videos help us to understand and discuss environmental phenomena more efficiently. Moreover, the creation of scientific videos is easier than ever, thanks to mobile devices and open source editing software. Video-clips, webinars or even the interactive part of a PICO are formats of scientific audiovisual media used in the Geosciences. This type of media translates the location-referenced Science Communication such as environmental interpretation into computed-based Science Communication. A new way of Science Communication is video abstracting. A video abstract is a three- to five-minute video statement that provides background information about a research paper. It also gives authors the opportunity to present their research activities to a wider audience. Since this kind of media have become an important part of scientific communication there is a need for reliable infrastructures which are capable of managing the digital assets researchers generate. Using the reference of the usecase of video abstracts this paper gives an overview over the activities by the German National Library of Science and Technology (TIB) regarding publishing and linking audiovisual media in a scientifically sound way. The German National Library of Science and Technology (TIB) in cooperation with the Hasso Plattner Institute (HPI) developed a web-based portal (av.tib.eu) that optimises access to scientific videos in the fields of science and technology. Videos from the realms of science and technology can easily be uploaded onto the TIB|AV Portal. Within a short period of time the videos are assigned a digital object identifier (DOI). This enables them to be referenced, cited, and linked (e.g. to the

  20. Use of Short Animal-Themed Videos to Enhance Veterinary Students' Mood, Attention, and Understanding of Pharmacology Lectures.

    Science.gov (United States)

    Kogan, Lori R; Hellyer, Pete; Clapp, Tod R; Suchman, Erica; McLean, Jennifer; Schoenfeld-Tacher, Regina

    2017-09-29

    Professional DVM training is inherently stressful and challenging for students. This study evaluated a simple intervention-short breaks during a veterinary pharmacology lecture course in the form of funny/cute animal videos (Mood Induction Procedures, or MIP)-to assess for potential impact on students' mood, interest in material, and perceived understanding of material. Ten YouTube video clips showing cats or dogs were selected to influence students' affective states. The videos were shown in a required pharmacology class offered during the fall semester of the second year of the DVM program at a large, land-grant institution in the Western US. The student cohort consisted of 133 students (20 males, 113 females). Twenty days of the course were randomly chosen for the study and ranged from weeks 2 to 13 of the semester. Sessions in which the videos were played were alternated with sessions in which no video was played, for a total of 10 video days and 10 control days. There were significant differences in all three post-class assessment measures between the experimental (video) days and the control days. Results suggest that showing short cute animal videos in the middle of class positively affected students' mood, interest in material, and self-reported understanding of material. While the results of this study are limited to one student cohort at one institution, the ease of implementation of the technique and relatively low stakes support incorporation of the MIP technique across a variety of basic and clinical science courses.

  1. Peak reduction and clipping mitigation in OFDM by augmented compressive sensing

    KAUST Repository

    Al-Safadi, Ebrahim B.

    2012-07-01

    This work establishes the design, analysis, and fine-tuning of a peak-to-average-power-ratio (PAPR) reducing system, based on compressed sensing (CS) at the receiver of a peak-reducing sparse clipper applied to an orthogonal frequency-division multiplexing (OFDM) signal at the transmitter. By exploiting the sparsity of clipping events in the time domain relative to a predefined clipping threshold, the method depends on partially observing the frequency content of the clipping distortion over reserved tones to estimate the remaining distortion. The approach has the advantage of eliminating the computational complexity at the transmitter and reducing the overall complexity of the system compared to previous methods which incorporate pilots to cancel nonlinear distortion. Data-based augmented CS methods are also proposed that draw upon available phase and support information from data tones for enhanced estimation and cancelation of clipping noise. This enables signal recovery under more severe clipping scenarios and hence lower PAPR can be achieved compared to conventional CS techniques. © 2012 IEEE.

  2. A psychophysiological investigation of laterality in human emotion elicited by pleasant and unpleasant film clips

    Directory of Open Access Journals (Sweden)

    Kumari Veena

    2010-11-01

    Full Text Available Abstract Background Research on laterality in emotion suggests a dichotomy between the brain hemispheres. The present study aimed to investigate this further using a modulated startle reflex paradigm. Methods We examined the effects of left and the right ear stimulation on the modulated startle reflex (as indexed by eyeblink magnitude, measured from the right eye employing short (2 min film clips to elicit emotions in 16 right-handed healthy participants. The experiment consisted of two consecutive sessions on a single occasion. The acoustic startle probes were presented monaurally to one of the ears in each session, counterbalanced across order, during the viewing of film clips. Results The findings showed that eyeblink amplitude in relation to acoustic startle probes varied linearly, as expected, from pleasant through neutral to unpleasant film clips, but there was no interaction between monaural probe side and foreground valence. Conclusions Our data indicate the involvement of both hemispheres when affective states, and associated startle modulations, are produced, using materials with both audio and visual properties. From a methodological viewpoint, the robustness of film clip material including audio properties might compensate for the insufficient information reaching the ipsilateral hemisphere when using static pictures. From a theoretical viewpoint, a right ear advantage for verbal processing may account for the failure to detect the expected hemispheric difference. The verbal component of the clips would have activated the left hemisphere, possibly resulting in an increased role for the left hemisphere in both positive and negative affect generation.

  3. Primary closure of inadvertent durotomies utilizing the U-Clip in minimally invasive spinal surgery.

    Science.gov (United States)

    Song, Debbie; Park, Paul

    2011-12-15

    Retrospective clinical cohort study. To examine performance of the U-Clip for the closure of inadvertent durotomy occurring during minimally invasive spinal surgery. Primary closure of inadvertent durotomies that occur during minimally invasive spinal surgery can be technically difficult to accomplish when using standard knot-tying and suture management techniques, owing to the narrow and deep surgical corridor afforded by tubular retraction systems. The U-Clip is a novel device that can achieve tight tissue approximation without the need for knot-tying and excessive suture manipulation, making it ideally suited for use in minimally invasive spinal surgeries. We performed a retrospective review of patients who underwent minimally invasive decompressive procedures complicated by durotomy and repaired using U-Clips for the period January 2008 to January 2010. A total of seven patients were identified. Four of the seven patients were male. Six patients underwent lumbar laminectomy or discectomy. One patient underwent resection of a cervical synovial cyst. In each patient, the durotomy was repaired primarily using U-Clips. All six lumbar patients were discharged home on the same day, and the remaining patient was discharged the following morning. Mean follow-up was 6.3 months. No patient experienced symptoms related to persistent cerebrospinal fluid leakage. Primary closure of an inadvertent durotomy occurring during minimally invasive spinal surgery can be effectively achieved using the self-closing U-Clip device.

  4. Content analysis of antismoking videos on YouTube: message sensation value, message appeals, and their relationships with viewer responses.

    Science.gov (United States)

    Paek, Hye-Jin; Kim, Kyongseok; Hove, Thomas

    2010-12-01

    Focusing on several message features that are prominent in antismoking campaign literature, this content-analytic study examines 934 antismoking video clips on YouTube for the following characteristics: message sensation value (MSV) and three types of message appeal (threat, social and humor). These four characteristics are then linked to YouTube's interactive audience response mechanisms (number of viewers, viewer ratings and number of comments) to capture message reach, viewer preference and viewer engagement. The findings suggest the following: (i) antismoking messages are prevalent on YouTube, (ii) MSV levels of online antismoking videos are relatively low compared with MSV levels of televised antismoking messages, (iii) threat appeals are the videos' predominant message strategy and (iv) message characteristics are related to viewer reach and viewer preference.

  5. Effects of Tail Clipping on Larval Performance and Tail Regeneration Rates in the Near Eastern Fire Salamander, Salamandra infraimmaculata.

    Directory of Open Access Journals (Sweden)

    Ori Segev

    Full Text Available Tail-tip clipping is a common technique for collecting tissue samples from amphibian larvae and adults. Surprisingly, studies of this invasive sampling procedure or of natural tail clipping--i.e., bites inflicted by predators including conspecifics--on the performance and fitness of aquatic larval stages of urodeles are scarce. We conducted two studies in which we assessed the effects of posterior tail clipping (~30 percent of tail on Near Eastern fire salamander (Salamandra infraimmaculata larvae. In a laboratory study, we checked regeneration rates of posterior tail-tip clipping at different ages. Regeneration rates were hump-shaped, peaking at the age of ~30 days and then decreasing. This variation in tail regeneration rates suggests tradeoffs in resource allocation between regeneration and somatic growth during early and advanced development. In an outdoor artificial pond experiment, under constant larval densities, we assessed how tail clipping of newborn larvae affects survival to, time to, and size at metamorphosis. Repeated measures ANOVA on mean larval survival per pond revealed no effect of tail clipping. Tail clipping had correspondingly no effect on larval growth and development expressed in size (mass and snout-vent length at, and time to, metamorphosis. We conclude that despite the given variation in tail regeneration rates throughout larval ontogeny, clipping of 30% percent of the posterior tail area seems to have no adverse effects on larval fitness and survival. We suggest that future use of this imperative tool for the study of amphibian should take into account larval developmental stage during the time of application and not just the relative size of the clipped tail sample.

  6. Effects of Tail Clipping on Larval Performance and Tail Regeneration Rates in the Near Eastern Fire Salamander, Salamandra infraimmaculata.

    Science.gov (United States)

    Segev, Ori; Polevikove, Antonina; Blank, Lior; Goedbloed, Daniel; Küpfer, Eliane; Gershberg, Anna; Koplovich, Avi; Blaustein, Leon

    2015-01-01

    Tail-tip clipping is a common technique for collecting tissue samples from amphibian larvae and adults. Surprisingly, studies of this invasive sampling procedure or of natural tail clipping--i.e., bites inflicted by predators including conspecifics--on the performance and fitness of aquatic larval stages of urodeles are scarce. We conducted two studies in which we assessed the effects of posterior tail clipping (~30 percent of tail) on Near Eastern fire salamander (Salamandra infraimmaculata) larvae. In a laboratory study, we checked regeneration rates of posterior tail-tip clipping at different ages. Regeneration rates were hump-shaped, peaking at the age of ~30 days and then decreasing. This variation in tail regeneration rates suggests tradeoffs in resource allocation between regeneration and somatic growth during early and advanced development. In an outdoor artificial pond experiment, under constant larval densities, we assessed how tail clipping of newborn larvae affects survival to, time to, and size at metamorphosis. Repeated measures ANOVA on mean larval survival per pond revealed no effect of tail clipping. Tail clipping had correspondingly no effect on larval growth and development expressed in size (mass and snout-vent length) at, and time to, metamorphosis. We conclude that despite the given variation in tail regeneration rates throughout larval ontogeny, clipping of 30% percent of the posterior tail area seems to have no adverse effects on larval fitness and survival. We suggest that future use of this imperative tool for the study of amphibian should take into account larval developmental stage during the time of application and not just the relative size of the clipped tail sample.

  7. The Relationship between Online Video Game Involvement and Gaming-Related Friendships among Emotionally Sensitive Individuals.

    OpenAIRE

    Kowert, Rachel; Domahidi, Emese; Quandt, Thorsten

    2014-01-01

    Some researchers believe that online gaming spaces can be socially accommodating environments for socially inhibited individuals, such as the socially inept, socially anxious, or shy. While previous research has examined, and found, significant links between these populations and online video game play, it remains unknown to what extent these spaces are contributing to tangible social benefits for the socially inhibited. The current study addresses this question by evaluating the link between...

  8. CLIPS, AppleEvents, and AppleScript: Integrating CLIPS with commercial software

    Science.gov (United States)

    Compton, Michael M.; Wolfe, Shawn R.

    1994-01-01

    Many of today's intelligent systems are comprised of several modules, perhaps written in different tools and languages, that together help solve the user's problem. These systems often employ a knowledge-based component that is not accessed directly by the user, but instead operates 'in the background' offering assistance to the user as necessary. In these types of modular systems, an efficient, flexible, and eady-to-use mechanism for sharing data between programs is crucial. To help permit transparent integration of CLIPS with other Macintosh applications, the AI Research Branch at NASA Ames Research Center has extended CLIPS to allow it to communicate transparently with other applications through two popular data-sharing mechanisms provided by the Macintosh operating system: Apple Events (a 'high-level' event mechanism for program-to-program communication), and AppleScript, a recently-released scripting language for the Macintosh. This capability permits other applications (running on either the same or a remote machine) to send a command to CLIPS, which then responds as if the command were typed into the CLIPS dialog window. Any result returned by the command is then automatically returned to the program that sent it. Likewise, CLIPS can send several types of Apple Events directly to other local or remote applications. This CLIPS system has been successfully integrated with a variety of commercial applications, including data collection programs, electronics forms packages, DBMS's, and email programs. These mechanisms can permit transparent user access to the knowledge base from within a commercial application, and allow a single copy of the knowledge base to service multiple users in a networked environment.

  9. Digital Video in Research

    DEFF Research Database (Denmark)

    Frølunde, Lisbeth

    2012-01-01

    questions of our media literacy pertaining to authoring multimodal texts (visual, verbal, audial, etc.) in research practice and the status of multimodal texts in academia. The implications of academic video extend to wider issues of how researchers harness opportunities to author different types of texts......Is video becoming “the new black” in academia, if so, what are the challenges? The integration of video in research methodology (for collection, analysis) is well-known, but the use of “academic video” for dissemination is relatively new (Eriksson and Sørensen). The focus of this paper is academic...... video, or short video essays produced for the explicit purpose of communicating research processes, topics, and research-based knowledge (see the journal of academic videos: www.audiovisualthinking.org). Video is increasingly used in popular showcases for video online, such as YouTube and Vimeo, as well...

  10. Content-based TV sports video retrieval using multimodal analysis

    Science.gov (United States)

    Yu, Yiqing; Liu, Huayong; Wang, Hongbin; Zhou, Dongru

    2003-09-01

    In this paper, we propose content-based video retrieval, which is a kind of retrieval by its semantical contents. Because video data is composed of multimodal information streams such as video, auditory and textual streams, we describe a strategy of using multimodal analysis for automatic parsing sports video. The paper first defines the basic structure of sports video database system, and then introduces a new approach that integrates visual stream analysis, speech recognition, speech signal processing and text extraction to realize video retrieval. The experimental results for TV sports video of football games indicate that the multimodal analysis is effective for video retrieval by quickly browsing tree-like video clips or inputting keywords within predefined domain.

  11. A CLIPS expert system for clinical flow cytometry data analysis

    Science.gov (United States)

    Salzman, G. C.; Duque, R. E.; Braylan, R. C.; Stewart, C. C.

    1990-01-01

    An expert system is being developed using CLIPS to assist clinicians in the analysis of multivariate flow cytometry data from cancer patients. Cluster analysis is used to find subpopulations representing various cell types in multiple datasets each consisting of four to five measurements on each of 5000 cells. CLIPS facts are derived from results of the clustering. CLIPS rules are based on the expertise of Drs. Stewart, Duque, and Braylan. The rules incorporate certainty factors based on case histories.

  12. A neural network simulation package in CLIPS

    Science.gov (United States)

    Bhatnagar, Himanshu; Krolak, Patrick D.; Mcgee, Brenda J.; Coleman, John

    1990-01-01

    The intrinsic similarity between the firing of a rule and the firing of a neuron has been captured in this research to provide a neural network development system within an existing production system (CLIPS). A very important by-product of this research has been the emergence of an integrated technique of using rule based systems in conjunction with the neural networks to solve complex problems. The systems provides a tool kit for an integrated use of the two techniques and is also extendible to accommodate other AI techniques like the semantic networks, connectionist networks, and even the petri nets. This integrated technique can be very useful in solving complex AI problems.

  13. HLA-DM induces CLIP dissociation from MHC class II alpha beta dimers and facilitates peptide loading.

    Science.gov (United States)

    Denzin, L K; Cresswell, P

    1995-07-14

    Human leukocyte antigen DM (HLA-DM) molecules are structurally related to classical MHC class II molecules and reside in the lysosome-like compartment where class II-restricted antigen processing is thought to occur. Mutant cell lines lacking HLA-DM are defective in antigen processing and accumulate class II molecules associated with a nested set of invariant chain-derived peptides (class II-associated invariant chain peptides, CLIP). Here we show that HLA-DM catalyzes the dissociation of CLIP from MHC class II-CLIP complexes in vitro and facilitates the binding of antigenic peptides. The reaction has an acidic pH optimum, consistent with its occurrence in a lysosome-like compartment in vivo. Antibody blocking experiments suggest that a transient interaction between HLA-DM and the MHC class II-CLIP complex is required.

  14. Dose perturbation behind tantalum clips in ocular proton therapy

    Energy Technology Data Exchange (ETDEWEB)

    Ptaszkiewicz, M., E-mail: marta.ptaszkiewicz@ifj.edu.p [Institute of Nuclear Physics Polish Academy of Science (IFJ PAN), Department of Radiation Physics and Dosimetry, u1. Radzikowskiego 152, PL 31-342 Krakow (Poland); Weber, A. [Charite-Universitatsmedizin Berlin, Berlin (Germany); Swakon, J.; Klosowski, M.; Olko, P.; Bilski, P.; Michalec, B.; Czopyk, L. [Institute of Nuclear Physics Polish Academy of Science (IFJ PAN), Department of Radiation Physics and Dosimetry, u1. Radzikowskiego 152, PL 31-342 Krakow (Poland)

    2010-03-15

    Proton therapy of eye tumors requires precise positioning in the sub-millimeter range. For this reason small (2.5 mm in diameter and a thickness of 0.2 mm) tantalum markers (clips) are sutured onto the sclera around the tumor base and used for radiological verification of the position and orientation of the eye at each treatment session. In some cases during irradiation clips might be positioned between the tumor and radiation source that may lead to perturbation of the dose distribution and underdosing of some parts of a tumor. The aim of this work was to determine experimentally the dose distribution behind the tantalum clips after irradiation with the parallel proton beam. The dose measurements were performed using the two-dimensional thermoluminescent dosimetric system, newly developed at the IFJ PAN in Poland, and a clip-phantom consisting of a 100 mm x 100 mm x 5.3 mm PMMA plate with holes for clips placing at five irradiation angles (0, 30 45, 60 and 90{sup o}). The clip-phantom was irradiated with 68 MeV proton beam. The measurements were performed at different depths ranging from 6.3 to 24.8 mm water equivalent depth. The measurements of dose modification due to tantalum clips showed underdosing ranged from 4% to 32%. For those reasons ophthalmologist need to take this effect into account during clip surgery and medical physicist need to consider the position of the clips in treatment planning.

  15. Transmission of compressed video

    Science.gov (United States)

    Pasch, H. L.

    1990-09-01

    An overview of video coding is presented. The aim is not to give a technical summary of possible coding techniques, but to address subjects related to video compression in general and to the transmission of compressed video in more detail. Bit rate reduction is in general possible by removing redundant information; removing information the eye does not use anyway; and reducing the quality of the video. The codecs which are used for reducing the bit rate, can be divided into two groups: Constant Bit rate Codecs (CBC's), which keep the bit rate constant, but vary the video quality; and Variable Bit rate Codecs (VBC's), which keep the video quality constant by varying the bit rate. VBC's can be in general reach a higher video quality than CBC's using less bandwidth, but need a transmission system that allows the bandwidth of a connection to fluctuate in time. The current and the next generation of the PSTN does not allow this; ATM might. There are several factors which influence the quality of video: the bit error rate of the transmission channel, slip rate, packet loss rate/packet insertion rate, end-to-end delay, phase shift between voice and video, and bit rate. Based on the bit rate of the coded video, the following classification of coded video can be made: High Definition Television (HDTV); Broadcast Quality Television (BQTV); video conferencing; and video telephony. The properties of these classes are given. The video conferencing and video telephony equipment available now and in the next few years can be divided into three categories: conforming to 1984 CCITT standard for video conferencing; conforming to 1988 CCITT standard; and conforming to no standard.

  16. Content analysis of antismoking videos on YouTube: message sensation value, message appeals, and their relationships with viewer responses

    National Research Council Canada - National Science Library

    Paek, Hye-Jin; Kim, Kyongseok; Hove, Thomas

    2010-01-01

    Focusing on several message features that are prominent in antismoking campaign literature, this content-analytic study examines 934 antismoking video clips on YouTube for the following characteristics...

  17. NEI You Tube Videos: Amblyopia

    Medline Plus

    Full Text Available ... search for current job openings visit HHS USAJobs Home > NEI YouTube Videos > NEI YouTube Videos: Amblyopia NEI YouTube Videos YouTube Videos Home Age-Related Macular Degeneration Amblyopia Animations Blindness Cataract ...

  18. Splitting a colon geometry with multiplanar clipping

    Science.gov (United States)

    Ahn, David K.; Vining, David J.; Ge, Yaorong; Stelts, David R.

    1998-06-01

    Virtual colonoscopy, a recent three-dimensional (3D) visualization technique, has provided radiologists with a unique diagnostic tool. Using this technique, a radiologist can examine the internal morphology of a patient's colon by navigating through a surface-rendered model that is constructed from helical computed tomography image data. Virtual colonoscopy can be used to detect early forms of colon cancer in a way that is less invasive and expensive compared to conventional endoscopy. However, the common approach of 'flying' through the colon lumen to visually search for polyps is tedious and time-consuming, especially when a radiologist loses his or her orientation within the colon. Furthermore, a radiologist's field of view is often limited by the 3D camera position located inside the colon lumen. We have developed a new technique, called multi-planar geometry clipping, that addresses these problems. Our algorithm divides a complex colon anatomy into several smaller segments, and then splits each of these segments in half for display on a static medium. Multi-planar geometry clipping eliminates virtual colonoscopy's dependence upon expensive, real-time graphics workstations by enabling radiologists to globally inspect the entire internal surface of the colon from a single viewpoint.

  19. Videography-Based Unconstrained Video Analysis.

    Science.gov (United States)

    Li, Kang; Li, Sheng; Oh, Sangmin; Fu, Yun

    2017-05-01

    Video analysis and understanding play a central role in visual intelligence. In this paper, we aim to analyze unconstrained videos, by designing features and approaches to represent and analyze videography styles in the videos. Videography denotes the process of making videos. The unconstrained videos are defined as the long duration consumer videos that usually have diverse editing artifacts and significant complexity of contents. We propose to construct a videography dictionary, which can be utilized to represent every video clip as a sequence of videography words. In addition to semantic features, such as foreground object motion and camera motion, we also incorporate two novel interpretable features to characterize videography, including the scale information and the motion correlations. We then demonstrate that, by using statistical analysis methods, the unique videography signatures extracted from different events can be automatically identified. For real-world applications, we explore the use of videography analysis for three types of applications, including content-based video retrieval, video summarization (both visual and textual), and videography-based feature pooling. In the experiments, we evaluate the performance of our approach and other methods on a large-scale unconstrained video dataset, and show that the proposed approach significantly benefits video analysis in various ways.

  20. Know your data: understanding implicit usage versus explicit action in video content classification

    Science.gov (United States)

    Yew, Jude; Shamma, David A.

    2011-02-01

    In this paper, we present a method for video category classification using only social metadata from websites like YouTube. In place of content analysis, we utilize communicative and social contexts surrounding videos as a means to determine a categorical genre, e.g. Comedy, Music. We hypothesize that video clips belonging to different genre categories would have distinct signatures and patterns that are reflected in their collected metadata. In particular, we define and describe social metadata as usage or action to aid in classification. We trained a Naive Bayes classifier to predict categories from a sample of 1,740 YouTube videos representing the top five genre categories. Using just a small number of the available metadata features, we compare the classifications produced by our Naive Bayes classifier with those provided by the uploader of that particular video. Compared to random predictions with the YouTube data (21% accurate), our classifier attained a mediocre 33% accuracy in predicting video genres. However, we found that the accuracy of our classifier significantly improves by nominal factoring of the explicit data features. By factoring the ratings of the videos in the dataset, the classifier was able to accurately predict the genres of 75% of the videos. We argue that the patterns of social activity found in the metadata are not just meaningful in their own right, but are indicative of the meaning of the shared video content. The results presented by this project represents a first step in investigating the potential meaning and significance of social metadata and its relation to the media experience.

  1. Nursing students' attitudes toward video games and related new media technologies.

    Science.gov (United States)

    Lynch-Sauer, Judith; Vandenbosch, Terry M; Kron, Frederick; Gjerde, Craig Livingston; Arato, Nora; Sen, Ananda; Fetters, Michael D

    2011-09-01

    Little is known about Millennial nursing students' attitudes toward computer games and new media in nursing education and whether these attitudes differ between undergraduates and graduates. This study elicited nursing students' experience with computer games and new media, their attitudes toward various instructional styles and methods, and the role of computer games and new media technologies in nursing education. We e-mailed all nursing students enrolled in two universities to invite their participation in an anonymous cross-sectional online survey. The survey collected demographic data and participants' experience with and attitudes toward video gaming and multi-player online health care simulations. We used descriptive statistics and logistic regression to compare the differences between undergraduates and graduates. Two hundred eighteen nursing students participated. Many of the nursing students support using new media technologies in nursing education. Nurse educators should identify areas suitable for new media integration and further evaluate the effectiveness of these technologies. Copyright 2011, SLACK Incorporated.

  2. Notions of Video Game Addiction and Their Relation to Self-Reported Addiction among Players of World of Warcraft

    Science.gov (United States)

    Oggins, Jean; Sammis, Jeffrey

    2012-01-01

    In this study, 438 players of the online video game, World of Warcraft, completed a survey about video game addiction and answered an open-ended question about behaviors they considered characteristic of video game addiction. Responses were coded and correlated with players' self-reports of being addicted to games and scores on a modified video…

  3. Video Malware - Behavioral Analysis

    Directory of Open Access Journals (Sweden)

    Rajdeepsinh Dodia

    2015-04-01

    Full Text Available Abstract The counts of malware attacks exploiting the internet increasing day by day and has become a serious threat. The latest malware spreading out through the media players embedded using the video clip of funny in nature to lure the end users. Once it is executed and installed then the behavior of the malware is in the malware authors hand. The spread of the malware emulates through Internet USB drives sharing of the files and folders can be anything which makes presence concealed. The funny video named as it connected to the film celebrity where the malware variant was collected from the laptop of the terror outfit organization .It runs in the backend which it contains malicious code which steals the user sensitive information like banking credentials username amp password and send it to the remote host user called command amp control. The stealed data is directed to the email encapsulated in the malicious code. The potential malware will spread through the USB and other devices .In summary the analysis reveals the presence of malicious code in executable video file and its behavior.

  4. CLIP-170 facilitates the formation of kinetochore-microtubule attachments

    NARCIS (Netherlands)

    Tanenbaum, M.E.; Galjart, N.; Vugt, M.A.T.M. van; Medema, R.H.

    2006-01-01

    CLIP-170 is a microtubule 'plus end tracking' protein involved in several microtubule-dependent processes in interphase. At the onset of mitosis, CLIP-170 localizes to kinetochores, but at metaphase, it is no longer detectable at kinetochores. Although RNA interference (RNAi) experiments have

  5. 21 CFR 882.4190 - Clip forming/cutting instrument.

    Science.gov (United States)

    2010-04-01

    ... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Clip forming/cutting instrument. 882.4190 Section 882.4190 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES.../cutting instrument. (a) Identification. A clip forming/cutting instrument is a device used by the...

  6. Film clips and narrative text as subjective emotion elicitation techniques.

    Science.gov (United States)

    Zupan, Barbra; Babbage, Duncan R

    2017-01-01

    Film clips and narrative text are useful techniques in eliciting emotion in a laboratory setting but have not been examined side-by-side using the same methodology. This study examined the self-identification of emotions elicited by film clip and narrative text stimuli to confirm that selected stimuli appropriately target the intended emotions. Seventy participants viewed 30 film clips, and 40 additional participants read 30 narrative texts. Participants identified the emotion experienced (happy, sad, angry, fearful, neutral-six stimuli each). Eighty-five percent of participants self-identified the target emotion for at least two stimuli for all emotion categories of film clips, except angry (only one) and for all categories of narrative text, except fearful (only one). The most effective angry text was correctly identified 74% of the time. Film clips were more effective in eliciting all target emotions in participants for eliciting the correct emotion (angry), intensity rating (happy, sad), or both (fearful).

  7. Assessing Computational Steps for CLIP-Seq Data Analysis

    Directory of Open Access Journals (Sweden)

    Qi Liu

    2015-01-01

    Full Text Available RNA-binding protein (RBP is a key player in regulating gene expression at the posttranscriptional level. CLIP-Seq, with the ability to provide a genome-wide map of protein-RNA interactions, has been increasingly used to decipher RBP-mediated posttranscriptional regulation. Generating highly reliable binding sites from CLIP-Seq requires not only stringent library preparation but also considerable computational efforts. Here we presented a first systematic evaluation of major computational steps for identifying RBP binding sites from CLIP-Seq data, including preprocessing, the choice of control samples, peak normalization, and motif discovery. We found that avoiding PCR amplification artifacts, normalizing to input RNA or mRNAseq, and defining the background model from control samples can reduce the bias introduced by RNA abundance and improve the quality of detected binding sites. Our findings can serve as a general guideline for CLIP experiments design and the comprehensive analysis of CLIP-Seq data.

  8. Video-assisted segmentation of speech and audio track

    Science.gov (United States)

    Pandit, Medha; Yusoff, Yusseri; Kittler, Josef; Christmas, William J.; Chilton, E. H. S.

    1999-08-01

    Video database research is commonly concerned with the storage and retrieval of visual information invovling sequence segmentation, shot representation and video clip retrieval. In multimedia applications, video sequences are usually accompanied by a sound track. The sound track contains potential cues to aid shot segmentation such as different speakers, background music, singing and distinctive sounds. These different acoustic categories can be modeled to allow for an effective database retrieval. In this paper, we address the problem of automatic segmentation of audio track of multimedia material. This audio based segmentation can be combined with video scene shot detection in order to achieve partitioning of the multimedia material into semantically significant segments.

  9. Using Television Commercials as Video Illustrations: Examples from a Money and Banking Economics Class

    Science.gov (United States)

    Bowes, David R.

    2014-01-01

    Video clips are an excellent way to enhance lecture material. Television commercials are a source of video examples that should not be overlooked and they are readily available on the internet. They are familiar, short, self-contained, constantly being created, and often funny. This paper describes several examples of television commercials that…

  10. YouTube Video Project: A "Cool" Way to Learn Communication Ethics

    Science.gov (United States)

    Lehman, Carol M.; DuFrene, Debbie D.; Lehman, Mark W.

    2010-01-01

    The millennial generation embraces new technologies as a natural way of accessing and exchanging information, staying connected, and having fun. YouTube, a video-sharing site that allows users to upload, view, and share video clips, is among the latest "cool" technologies for enjoying quick laughs, employing a wide variety of corporate activities,…

  11. YouTube as a Qualitative Research Asset: Reviewing User Generated Videos as Learning Resources

    Science.gov (United States)

    Chenail, Ronald J.

    2011-01-01

    YouTube, the video hosting service, offers students, teachers, and practitioners of qualitative researchers a unique reservoir of video clips introducing basic qualitative research concepts, sharing qualitative data from interviews and field observations, and presenting completed research studies. This web-based site also affords qualitative…

  12. Approaches to Interactive Video Anchors in Problem-Based Science Learning

    Science.gov (United States)

    Kumar, David Devraj

    2010-01-01

    This paper is an invited adaptation of the IEEE Education Society Distinguished Lecture Approaches to Interactive Video Anchors in Problem-Based Science Learning. Interactive video anchors have a cognitive theory base, and they help to enlarge the context of learning with information-rich real-world situations. Carefully selected movie clips and…

  13. Video microblogging

    DEFF Research Database (Denmark)

    Bornoe, Nis; Barkhuus, Louise

    2010-01-01

    Microblogging is a recently popular phenomenon and with the increasing trend for video cameras to be built into mobile phones, a new type of microblogging has entered the arena of electronic communication: video microblogging. In this study we examine video microblogging, which is the broadcasting...... of short videos. A series of semi-structured interviews offers an understanding of why and how video microblogging is used and what the users post and broadcast....

  14. CLIPS - C LANGUAGE INTEGRATED PRODUCTION SYSTEM (MACINTOSH VERSION)

    Science.gov (United States)

    Culbert, C.

    1994-01-01

    The C Language Integrated Production System, CLIPS, is a shell for developing expert systems. It is designed to allow artificial intelligence research, development, and delivery on conventional computers. The primary design goals for CLIPS are portability, efficiency, and functionality. For these reasons, the program is written in C. CLIPS meets or outperforms most micro- and minicomputer based artificial intelligence tools. CLIPS is a forward chaining rule-based language. The program contains an inference engine and a language syntax that provide a framework for the construction of an expert system. It also includes tools for debugging an application. CLIPS is based on the Rete algorithm, which enables very efficient pattern matching. The collection of conditions and actions to be taken if the conditions are met is constructed into a rule network. As facts are asserted either prior to or during a session, CLIPS pattern-matches the number of fields. Wildcards and variables are supported for both single and multiple fields. CLIPS syntax allows the inclusion of externally defined functions (outside functions which are written in a language other than CLIPS). CLIPS itself can be embedded in a program such that the expert system is available as a simple subroutine call. Advanced features found in CLIPS version 4.3 include an integrated microEMACS editor, the ability to generate C source code from a CLIPS rule base to produce a dedicated executable, binary load and save capabilities for CLIPS rule bases, and the utility program CRSV (Cross-Reference, Style, and Verification) designed to facilitate the development and maintenance of large rule bases. Five machine versions are available. Each machine version includes the source and the executable for that machine. The UNIX version includes the source and binaries for IBM RS/6000, Sun3 series, and Sun4 series computers. The UNIX, DEC VAX, and DEC RISC Workstation versions are line oriented. The PC version and the Macintosh

  15. CLIPS - C LANGUAGE INTEGRATED PRODUCTION SYSTEM (IBM PC VERSION)

    Science.gov (United States)

    Riley, G.

    1994-01-01

    The C Language Integrated Production System, CLIPS, is a shell for developing expert systems. It is designed to allow artificial intelligence research, development, and delivery on conventional computers. The primary design goals for CLIPS are portability, efficiency, and functionality. For these reasons, the program is written in C. CLIPS meets or outperforms most micro- and minicomputer based artificial intelligence tools. CLIPS is a forward chaining rule-based language. The program contains an inference engine and a language syntax that provide a framework for the construction of an expert system. It also includes tools for debugging an application. CLIPS is based on the Rete algorithm, which enables very efficient pattern matching. The collection of conditions and actions to be taken if the conditions are met is constructed into a rule network. As facts are asserted either prior to or during a session, CLIPS pattern-matches the number of fields. Wildcards and variables are supported for both single and multiple fields. CLIPS syntax allows the inclusion of externally defined functions (outside functions which are written in a language other than CLIPS). CLIPS itself can be embedded in a program such that the expert system is available as a simple subroutine call. Advanced features found in CLIPS version 4.3 include an integrated microEMACS editor, the ability to generate C source code from a CLIPS rule base to produce a dedicated executable, binary load and save capabilities for CLIPS rule bases, and the utility program CRSV (Cross-Reference, Style, and Verification) designed to facilitate the development and maintenance of large rule bases. Five machine versions are available. Each machine version includes the source and the executable for that machine. The UNIX version includes the source and binaries for IBM RS/6000, Sun3 series, and Sun4 series computers. The UNIX, DEC VAX, and DEC RISC Workstation versions are line oriented. The PC version and the Macintosh

  16. Clipping herbaceous vegetation improves early performance of planted seedlings of the Mediterranean shrub Quercus coccifera

    Directory of Open Access Journals (Sweden)

    A. Aubenau

    2007-12-01

    Full Text Available We tested how the conditions resulting from alternative management strategies addressed to mitigate abiotic and biotic limitations to plant establishment affect the performance of planted Quercus coccifera seedlings. This species is a xerophytic and heliophillous Mediterranean shrub, of interest for the restoration of abandoned farmland. We hypothesised that release from herb competition by clipping would allow Q. coccifera seedlings to cope more efficiently with water shortage by adjusting their mass allocation pattern. We established three environments of herb competition: absence of competition (AC, reduced competition by clipping (RC, and total competition (TC; and applied two irrigation treatments: low and high irrigation. We measured soil moisture at different depths, above- and below-ground herb biomass, and evaluated seedling responses, such as mortality, growth, biomass allocation, and morphological and physiological features. The TC treatment reduced water availability more than the RC treatment, in agreement with the highest water stress of seedlings under TC conditions. Irrigation increased above- and below-ground herb biomass, whereas clipping reduced herb production. Release of herb competition by clipping increased seedling survivorship by one order of magnitude and resulted in a growth rate comparable to the absence of competition. This growth was mostly related to carbon gain allocated to roots. The competition intensity imposed by treatments was related to a parallel reduction in total plant leaf area, biomass allocated to leaves and shoot:root ratio, and an increase in biomass allocated to roots and leaf mass area. The negative effects of herbs on Q. coccifera seedlings seem the result of competition for both water and light, in contrast with previous research with more mesic Quercus species, for which competition is primarily for water. Clipping of herbs is a feasible technique that greatly improved seedling performance, and

  17. Video Analytics Evaluation: Survey of Datasets, Performance Metrics and Approaches

    Science.gov (United States)

    2014-09-01

    events are birthday party, parade, dog show, etc. multimedia event recounting: given an event description and some examples, review a video clip containing...trajectories. 6.10 Tianjin University of Technology team Tianjin University of Technology has modeled human behaviour with the philosophy of bag of

  18. Current Events and Technology: Video and Audio on the Internet.

    Science.gov (United States)

    Laposata, Matthew M.; Howick, Tom; Dias, Michael J.

    2002-01-01

    Explains the effectiveness of visual aids compared to written materials in teaching and recommends using television segments for teaching purposes. Introduces digitized clips provided by major television news organizations through the Internet and describes the technology requirements for successful viewing of streaming videos and audios. (YDS)

  19. Video Dubbing Projects in the Foreign Language Curriculum

    Science.gov (United States)

    Burston, Jack

    2005-01-01

    The dubbing of muted video clips offers an excellent opportunity to develop the skills of foreign language learners at all linguistic levels. In addition to its motivational value, soundtrack dubbing provides a rich source of activities in all language skill areas: listening, reading, writing, speaking. With advanced students, it also lends itself…

  20. Video demystified

    CERN Document Server

    Jack, Keith

    2004-01-01

    This international bestseller and essential reference is the "bible" for digital video engineers and programmers worldwide. This is by far the most informative analog and digital video reference available, includes the hottest new trends and cutting-edge developments in the field. Video Demystified, Fourth Edition is a "one stop" reference guide for the various digital video technologies. The fourth edition is completely updated with all new chapters on MPEG-4, H.264, SDTV/HDTV, ATSC/DVB, and Streaming Video (Video over DSL, Ethernet, etc.), as well as discussions of the latest standards throughout. The accompanying CD-ROM is updated to include a unique set of video test files in the newest formats. *This essential reference is the "bible" for digital video engineers and programmers worldwide *Contains all new chapters on MPEG-4, H.264, SDTV/HDTV, ATSC/DVB, and Streaming Video *Completely revised with all the latest and most up-to-date industry standards.

  1. Cerebral activation associated with sexual arousal in response to a pornographic clip: A 15O-H2O PET study in heterosexual men.

    Science.gov (United States)

    Bocher, M; Chisin, R; Parag, Y; Freedman, N; Meir Weil, Y; Lester, H; Mishani, E; Bonne, O

    2001-07-01

    This study attempted to use PET and 15O-H2O to measure changes in regional cerebral blood flow (rCBF) during sexual arousal evoked in 10 young heterosexual males while they watched a pornographic video clip, featuring heterosexual intercourse. This condition was compared with other mental setups evoked by noisy, nature, and talkshow audiovisual clips. Immediately after each clip, the participants answered three questions pertaining to what extent they thought about sex, felt aroused, and sensed an erection. They scored their answers using a 1 to 10 scale. SPM was used for data analysis. Sexual arousal was mainly associated with activation of bilateral, predominantly right, inferoposterior extrastriate cortices, of the right inferolateral prefrontal cortex and of the midbrain. The significance of those findings is discussed in the light of current theories concerning selective attention, "mind reading" and mirroring, reinforcement of pleasurable stimuli, and penile erection.

  2. Using video analysis for concussion surveillance in Australian football.

    Science.gov (United States)

    Makdissi, Michael; Davis, Gavin

    2016-12-01

    The objectives of the study were to assess the relationship between various player and game factors and risk of concussion; and to assess the reliability of video analysis for mechanistic assessment of concussion in Australian football. Prospective cohort study. All impacts and collisions resulting in concussion were identified during the 2011 Australian Football League season. An extensive list of factors for assessment was created based upon previous analysis of concussion in Australian Football League and expert opinions. The authors independently reviewed the video clips and correlation for each factor was examined. A total of 82 concussions were reported in 194 games (rate: 8.7 concussions per 1000 match hours; 95% confidence interval: 6.9-10.5). Player demographics and game variables such as venue, timing of the game (day, night or twilight), quarter, travel status (home or interstate) or score margin did not demonstrate a significant relationship with risk of concussion; although a higher percentage of concussions occurred in the first 5min of game time of the quarter (36.6%), when compared to the last 5min (20.7%). Variables with good inter-rater agreement included position on the ground, circumstances of the injury and cause of the impact. The remainder of the variables assessed had fair-poor inter-rater agreement. Common problems included insufficient or poor quality video and interpretation issues related to the definitions used. Clear definitions and good quality video from multiple camera angles are required to improve the utility of video analysis for concussion surveillance in Australian football. Copyright © 2016 Sports Medicine Australia. Published by Elsevier Ltd. All rights reserved.

  3. HATE BENEATH THE COUNTER SPEECH? A QUALITATIVE CONTENT ANALYSIS OF USER COMMENTS ON YOUTUBE RELATED TO COUNTER SPEECH VIDEOS

    OpenAIRE

    Julian Ernst; Schmitt, Josephine B.; Diana Rieger; Ann Kristin Beier; Peter Vorderer; Gary Bente; Hans Joachim Roth

    2017-01-01

    The odds in stumbling over extremist material in the internet are high. Counter speech videos, such as those of the German campaign Begriffswelten Islam (Concepts of Islam; Bundeszentrale für politische Bildung, 2015a) published on YouTube, offer alternative perspectives and democratic ideas to counteract extremist content. YouTube users may discuss these videos in the comment sections below the video. Yet, it remains open which topics these users bring up in their comments. Moreover, it is u...

  4. Southwest, Frontier planes clip wings in Phoenix

    National Research Council Canada - National Science Library

    Ben Mutzabaugh

    2017-01-01

    ... reports did not specify which one. Video from ABC 15 of Phoenix showed damage to the wing tip of the Southwest plane. A separate image tweeted by CBS 5 of Phoenix indicated that the wing of the Frontier aircraft also was damaged. The Frontier flight was bound for Denver, and the carrier put passengers on a replacement aircraft. Passengers on Southwest's ...

  5. Which health-related problems are associated with problematic video-gaming or social media use in adolescents? : A large-scale cross-sectional study

    NARCIS (Netherlands)

    S.Y.M. Mérelle (Saskia); A. Kleiboer (Annet); M. Schotanus (Miriam); T.L.M. Cluitmans (Theresia L. M.); C.M. Waardenburg (Cornelia M.); D. Kramer (Danielle); H. van de Mheen (Dike); A.J. van Rooij (Antonius)

    2017-01-01

    markdownabstract_Objective:_ Problematic video-gaming or social media use may seriously affect adolescents’ health status. However, it is not very well known which health-related problems are most strongly related to these issues. To inform the development of prevention and intervention strategies,

  6. Development of an artifact-free aneurysm clip

    Directory of Open Access Journals (Sweden)

    Brack Alexander

    2016-09-01

    Full Text Available For the treatment of intracranial aneurysms with aneurysm clips, usually a follow-up inspection in MRI is required. To avoid any artifacts, which can make a proper diagnosis difficult, a new approach for the manufacturing of an aneurysm clip entirely made from fiber-reinforced plastics has been developed. In this paper the concept for the design of the clip, the development of a new manufacturing technology for the fiber-reinforced components as well as first results from the examination of the components in phantom MRI testing is shown.

  7. Observational learning in capuchin monkeys: a video deficit effect.

    Science.gov (United States)

    Anderson, James R; Kuroshima, Hika; Fujita, Kazuo

    2017-07-01

    Young human children have been shown to learn less effectively from video or televised images than from real-life demonstrations. Although nonhuman primates respond to and can learn from video images, there is a lack of direct comparisons of task acquisition from video and live demonstrations. To address this gap in knowledge, we presented capuchin monkeys with video clips of a human demonstrator explicitly hiding food under one of two containers. The clips were presented at normal, faster than normal, or slower than normal speed, and then the monkeys were allowed to choose between the real containers. Even after 55 sessions and hundreds of video demonstration trials the monkeys' performances indicated no mastery of the task, and there was no effect of video speed. When given live demonstrations of the hiding act, the monkeys' performances were vastly improved. Upon subsequent return to video demonstrations, performances declined to pre-live-demonstration levels, but this time with evidence for an advantage of fast video demonstrations. Demonstration action speed may be one aspect of images that influence nonhuman primates' ability to learn from video images, an ability that in monkeys, as in young children, appears limited compared to learning from live models.

  8. Psychophysiological correlates of sexually and non-sexually motivated attention to film clips in a workload task.

    Science.gov (United States)

    Carvalho, Sandra; Leite, Jorge; Galdo-Álvarez, Santiago; Gonçalves, Oscar F

    2011-01-01

    Some authors have speculated that the cognitive component (P3) of the Event-Related Potential (ERP) can function as a psychophysiological measure of sexual interest. The aim of this study was to determine if the P3 ERP component in a workload task can be used as a specific and objective measure of sexual motivation by comparing the neurophysiologic response to stimuli of motivational relevance with different levels of valence and arousal. A total of 30 healthy volunteers watched different films clips with erotic, horror, social-positive and social-negative content, while answering an auditory oddball paradigm. Erotic film clips resulted in larger interference when compared to both the social-positive and auditory alone conditions. Horror film clips resulted in the highest levels of interference with smaller P3 amplitudes than erotic and also than social-positive, social-negative and auditory alone condition. No gender differences were found. Both horror and erotic film clips significantly decreased heart rate (HR) when compared to both social-positive and social-negative films. The erotic film clips significantly increased the skin conductance level (SCL) compared to the social-negative films. The horror film clips significantly increased the SCL compared to both social-positive and social-negative films. Both the highly arousing erotic and non-erotic (horror) movies produced the largest decrease in the P3 amplitude, a decrease in the HR and an increase in the SCL. These data support the notion that this workload task is very sensitive to the attentional resources allocated to the film clip, although they do not act as a specific index of sexual interest. Therefore, the use of this methodology seems to be of questionable utility as a specific measure of sexual interest or as an objective measure of the severity of Hypoactive Sexual Desire Disorder. © 2011 Carvalho et al.

  9. Psychophysiological correlates of sexually and non-sexually motivated attention to film clips in a workload task.

    Directory of Open Access Journals (Sweden)

    Sandra Carvalho

    Full Text Available Some authors have speculated that the cognitive component (P3 of the Event-Related Potential (ERP can function as a psychophysiological measure of sexual interest. The aim of this study was to determine if the P3 ERP component in a workload task can be used as a specific and objective measure of sexual motivation by comparing the neurophysiologic response to stimuli of motivational relevance with different levels of valence and arousal. A total of 30 healthy volunteers watched different films clips with erotic, horror, social-positive and social-negative content, while answering an auditory oddball paradigm. Erotic film clips resulted in larger interference when compared to both the social-positive and auditory alone conditions. Horror film clips resulted in the highest levels of interference with smaller P3 amplitudes than erotic and also than social-positive, social-negative and auditory alone condition. No gender differences were found. Both horror and erotic film clips significantly decreased heart rate (HR when compared to both social-positive and social-negative films. The erotic film clips significantly increased the skin conductance level (SCL compared to the social-negative films. The horror film clips significantly increased the SCL compared to both social-positive and social-negative films. Both the highly arousing erotic and non-erotic (horror movies produced the largest decrease in the P3 amplitude, a decrease in the HR and an increase in the SCL. These data support the notion that this workload task is very sensitive to the attentional resources allocated to the film clip, although they do not act as a specific index of sexual interest. Therefore, the use of this methodology seems to be of questionable utility as a specific measure of sexual interest or as an objective measure of the severity of Hypoactive Sexual Desire Disorder.

  10. Psychophysiological Correlates of Sexually and Non-Sexually Motivated Attention to Film Clips in a Workload Task

    Science.gov (United States)

    Carvalho, Sandra; Leite, Jorge; Galdo-Álvarez, Santiago; Gonçalves, Óscar F.

    2011-01-01

    Some authors have speculated that the cognitive component (P3) of the Event-Related Potential (ERP) can function as a psychophysiological measure of sexual interest. The aim of this study was to determine if the P3 ERP component in a workload task can be used as a specific and objective measure of sexual motivation by comparing the neurophysiologic response to stimuli of motivational relevance with different levels of valence and arousal. A total of 30 healthy volunteers watched different films clips with erotic, horror, social-positive and social-negative content, while answering an auditory oddball paradigm. Erotic film clips resulted in larger interference when compared to both the social-positive and auditory alone conditions. Horror film clips resulted in the highest levels of interference with smaller P3 amplitudes than erotic and also than social-positive, social-negative and auditory alone condition. No gender differences were found. Both horror and erotic film clips significantly decreased heart rate (HR) when compared to both social-positive and social-negative films. The erotic film clips significantly increased the skin conductance level (SCL) compared to the social-negative films. The horror film clips significantly increased the SCL compared to both social-positive and social-negative films. Both the highly arousing erotic and non-erotic (horror) movies produced the largest decrease in the P3 amplitude, a decrease in the HR and an increase in the SCL. These data support the notion that this workload task is very sensitive to the attentional resources allocated to the film clip, although they do not act as a specific index of sexual interest. Therefore, the use of this methodology seems to be of questionable utility as a specific measure of sexual interest or as an objective measure of the severity of Hypoactive Sexual Desire Disorder. PMID:22216305

  11. Digital Video Editing

    Science.gov (United States)

    McConnell, Terry

    2004-01-01

    Monica Adams, head librarian at Robinson Secondary in Fairfax country, Virginia, states that librarians should have the technical knowledge to support projects related to digital video editing. The process of digital video editing and the cables, storage issues and the computer system with software is described.

  12. Violence-related content in video game may lead to functional connectivity changes in brain networks as revealed by fMRI-ICA in young men.

    Science.gov (United States)

    Zvyagintsev, M; Klasen, M; Weber, R; Sarkheil, P; Esposito, F; Mathiak, K A; Schwenzer, M; Mathiak, K

    2016-04-21

    In violent video games, players engage in virtual aggressive behaviors. Exposure to virtual aggressive behavior induces short-term changes in players' behavior. In a previous study, a violence-related version of the racing game "Carmageddon TDR2000" increased aggressive affects, cognitions, and behaviors compared to its non-violence-related version. This study investigates the differences in neural network activity during the playing of both versions of the video game. Functional magnetic resonance imaging (fMRI) recorded ongoing brain activity of 18 young men playing the violence-related and the non-violence-related version of the video game Carmageddon. Image time series were decomposed into functional connectivity (FC) patterns using independent component analysis (ICA) and template-matching yielded a mapping to established functional brain networks. The FC patterns revealed a decrease in connectivity within 6 brain networks during the violence-related compared to the non-violence-related condition: three sensory-motor networks, the reward network, the default mode network (DMN), and the right-lateralized frontoparietal network. Playing violent racing games may change functional brain connectivity, in particular and even after controlling for event frequency, in the reward network and the DMN. These changes may underlie the short-term increase of aggressive affects, cognitions, and behaviors as observed after playing violent video games. Copyright © 2016 IBRO. Published by Elsevier Ltd. All rights reserved.

  13. Development of an Educational Video to Improve HIV-Related Knowledge, Attitudes and Prevention among Company Workers in Ecuador

    Science.gov (United States)

    del Carmen Cabezas, María; Fornasini, Marco; Barmettler, David; Ortuño, Diego; Borja, Teresa; Albert, Adelin

    2015-01-01

    Objective: To develop and assess an innovative educational video package for improving HIV knowledge, attitudes and practices among company workers in Ecuador. Methods: The design and development of the HIV prevention educational video was based on the results of a large-scale survey conducted in 115 companies (commerce, manufacturing and real…

  14. Personal, social and game-related correlates of active and non-active video gaming among Dutch gaming adolescents

    NARCIS (Netherlands)

    Simons, M.; Vet, de E.W.M.L.; Chinapaw, M.; Boer, de M.R.; Seidell, J.C.; Brug, J.

    2014-01-01

    Background: Playing video games contributes substantially to sedentary behavior in youth. A new generation of video games—active games—seems to be a promising alternative to sedentary games to promote physical activity and reduce sedentary behavior. At this time, little is known about correlates of

  15. Associations between active video gaming and other energy-balance related behaviours in adolescents: a 24-hour recall diary study

    NARCIS (Netherlands)

    Simons, M.; Chinapaw, M.J.M.; Brug, J.; Seidell, J.; Vet, E. de

    2015-01-01

    Background Active video games may contribute to reducing time spent in sedentary activities, increasing physical activity and preventing excessive weight gain in adolescents. Active video gaming can, however, only be beneficial for weight management when it replaces sedentary activities and not

  16. Associations between active video gaming and other energy-balance related behaviours in adolescents : a 24-hour recall diary study

    NARCIS (Netherlands)

    Simons, Monique; Chinapaw, Mai J M; Brug, Johannes; Seidell, Jaap; de Vet, Emely

    2015-01-01

    BACKGROUND: Active video games may contribute to reducing time spent in sedentary activities, increasing physical activity and preventing excessive weight gain in adolescents. Active video gaming can, however, only be beneficial for weight management when it replaces sedentary activities and not

  17. Associations between active video gaming and other energy-balance related behaviours in adolescents: a 24-hour recall diary study

    NARCIS (Netherlands)

    Simons, M.; Chinapaw, M.J.M.; Brug, J.; Seidell, J.C.; Vet, de E.

    2015-01-01

    Active video games may contribute to reducing time spent in sedentary activities, increasing physical activity and preventing excessive weight gain in adolescents. Active video gaming can, however, only be beneficial for weight management when it replaces sedentary activities and not other physical

  18. [Absorbable synthetic clips and pulmonary excision. Our clinical experience].

    Science.gov (United States)

    Nguyen, H; Nguyen, H V; Barra, J A; Raut, Y; Castel-Dupont, S

    1987-02-01

    Analysis of the first 50 clinical cases confirmed conclusions of experimental studies in large animals with respect to the use of absorbable synthetic clips formed of lactomer and polydioxanone. The advantages of clips when compared with ligatures include rapidity and simplicity of use and ease of insertion, even in regions difficult to approach surgically with the fingers. The advantages of clips of the absorbable synthetic type over conventional metallic material are: safety and reliability due to their locking system and the conservation of sufficient residual resistance, improved behavior in biologic media, radio-transparency and total inertia in magnetic fields compatible with postoperative radiation and modern medical imaging procedures (CT scan, IRM), and finally progressive resorption predictable by simple hydrolysis and then total disappearance after 6 to 7 months. With staplers of the TA and GIA type these clips make sutures and ligatures during lung resection surgery entirely automatic.

  19. A Sieving ANN for Emotion-Based Movie Clip Classification

    National Research Council Canada - National Science Library

    WATANAPA, Saowaluk C; THIPAKORN, Bundit; CHAROENKITKARN, Nipon

    2008-01-01

    .... Our research attempts to classify movie clips into three groups of commonly elicited emotions, namely excitement, joy and sadness, based on a set of abstract-level semantic features extracted from the film sequence...

  20. WHICH HEALTH-RELATED PROBLEMS ARE ASSOCIATED WITH PROBLEMATIC VIDEO-GAMING OR SOCIAL MEDIA USE IN ADOLESCENTS? A LARGE-SCALE CROSS-SECTIONAL STUDY

    Directory of Open Access Journals (Sweden)

    Saskia Y. M. Mérelle

    2017-02-01

    Full Text Available Objective: Problematic video-gaming or social media use may seriously affect adolescents’ health status. However, it is not very well known which health-related problems are most strongly related to these issues. To inform the development of prevention and intervention strategies, this study aims to gain a better understanding of the health-related problems and demographical factors associated with problematic video-gaming or social media use in early adolescence. Method: A cross-sectional analysis was performed on data collected by two Municipal Health Services in the Netherlands in 2013-2014. In this survey among youth, 21,053 students from secondary schools (mean age 14.4 years completed a web-based questionnaire. Multivariate analyses were carried out to assess the strength of the associations between mental health problems, life-events, lifestyle and substance use as independent variables, and problematic video-gaming and problematic social media use as dependent variables. Results: Of the participating students, 5.7% reported problematic video-gaming and 9.1% problematic social media use. Problematic video-gaming was most strongly associated with conduct problems, suicidal thoughts (all medium effect sizes, OR ≥2, p<0.01, sedentary behavior (large effect size, OR ≥3, p<0.01, and male gender (large effect size. Problematic social media use was highly associated with conduct problems, hyperactivity and sedentary behavior (all medium effect sizes. Additionally, female gender and non-Western ethnicity were relevant demographics (large and medium effect size. Conclusions: Most mental health problems were consistently associated with both problematic video-gaming and problematic social media use, though associations were only practically relevant for conduct problems (both groups, suicidal thoughts (problematic video-gaming and hyperactivity (problematic social media use. This study also highlights sedentary behavior as health risk as it

  1. Evolution of staples and clips for vascular anastomoses.

    Science.gov (United States)

    Zeebregts, Clark J; Kirsch, Wolff M; van den Dungen, Jan J; van Schilfgaarde, Reinout; Zhu, Yong H

    2004-01-01

    Because of the development of less invasive surgical techniques, there is an increasing demand for vascular anastomosing techniques that require less exposure of the operating field. This paper reviews the most important representatives of staples, clips, and other mechanical devices for vascular anastomosing described over the last five decades. This report is organized in three parts: (1) the history of clipping and stapling devices, (2) development of the Vessel Closure System (VCS) clips, and (3) current and potential status of mechanical vascular anastomotic devices. A Medline literature search was conducted and publications on the use of staples and/or clips for the creation of vascular anastomoses identified with extensive cross-referencing. The first literature description of a mechanical vascular stapling device was by Gudov in 1950. This and other reports from the Soviet Union stimulated brisk, competitive development of vascular anastomotic devices in Europe, North America, and Japan. Fasteners included staples, penetrating pin-rings, or toothed stainless steel clips, none of which gained acceptance because of their complexity and inability to facilitate end-to-side anastomoses. A more convenient and less traumatic anastomotic system (VCS Clip applier system) was introduced into clinical practice in 1995. This system differs from staples in that it is non-penetrating. A wide variety of reports have described the advantages, both technical and biological, that clips provide over conventional needle-and-suture, particularly for the construction of vascular access for hemodialysis. A steady evolution of mechanical vascular anastomotic devices has sought to eliminate the technical and biological disadvantages of conventional suturing. Although the conventional hand-sewn, overcast non-absorbable suture remains the "gold" standard, newer techniques such as the non-penetrating arcuate-legged VCS clips are gaining acceptance as a useful addition to the vascular

  2. Anesthesia management for MitraClip device implantation

    Directory of Open Access Journals (Sweden)

    Harikrishnan Kothandan

    2014-01-01

    Full Text Available Aims and Objectives: Percutaneous MitraClip implantation has been demonstrated as an alternative procedure in high-risk patients with symptomatic severe mitral regurgitation (MR who are not suitable (or denied mitral valve repair/replacement due to excessive co morbidity. The MitraClip implantation was performed under general anesthesia and with 3-dimensional transesophageal echocardiography (TEE and fluoroscopic guidance. Materials and Methods: Peri-operative patient data were extracted from the electronic and paper medical records of 21 patients who underwent MitraClip implantations. Results: Four MitraClip implantation were performed in the catheterization laboratory; remaining 17 were performed in the hybrid operating theatre. In 2 patients, procedure was aborted, in one due to migration of the Chiari network into the left atrium and in second one, the leaflets and chords of the mitral valve torn during clipping resulting in consideration for open surgery. In the remaining 19 patients, MitraClip was implanted and the patients showed acute reduction of severe MR to mild-moderate MR. All the patients had invasive blood pressure monitoring and the initial six patients had central venous catheterization prior to the procedure. Intravenous heparin was administered after the guiding catheter was introduced through the inter-atrial septum and activated clotting time was maintained beyond 250 s throughout the procedure. Protamine was administered at the end of the procedure. All the patients were monitored in the intensive care unit after the procedure. Conclusions: Percutaneous MitraClip implantation is a feasible alternative in high-risk patients with symptomatic severe MR. Anesthesia management requirements are similar to open surgical mitral valve repair or replacement. TEE plays a vital role during the MitraClip implantation.

  3. Video micro analysis in music therapy research:a research workshop

    OpenAIRE

    Holck, Ulla; Oldfield, Amelia; Plahl, Christine

    2004-01-01

    Three music therapy researchers from three different countries who have recently completed their PhD theses will each briefly discuss the role of video analysis in their investigations. All three of these research projects have involved music therapy work with children, some of whom were on the autistic spectrum. Brief video clips will be shown and workshop participants will be invited to use different micro analysis approaches to record information from the video recordings. Through this pro...

  4. Development of a novel empathy-related video-feedback intervention to improve empathic accuracy of nursing students: A pilot study.

    Science.gov (United States)

    Lobchuk, Michelle; Halas, Gayle; West, Christina; Harder, Nicole; Tursunova, Zulfiya; Ramraj, Chantal

    2016-11-01

    Stressed family carers engage in health-risk behaviours that can lead to chronic illness. Innovative strategies are required to bolster empathic dialogue skills that impact nursing student confidence and sensitivity in meeting carers' wellness needs. To report on the development and evaluation of a promising empathy-related video-feedback intervention and its impact on student empathic accuracy on carer health risk behaviours. A pilot quasi-experimental design study with eight pairs of 3rd year undergraduate nursing students and carers. Students participated in perspective-taking instructional and practice sessions, and a 10-minute video-recorded dialogue with carers followed by a video-tagging task. Quantitative and qualitative approaches helped us to evaluate the recruitment protocol, capture participant responses to the intervention and study tools, and develop a tool to assess student empathic accuracy. The instructional and practice sessions increased student self-awareness of biases and interest in learning empathy by video-tagging feedback. Carers felt that students were 'non-judgmental', inquisitive, and helped them to 'gain new insights' that fostered ownership to change their health-risk behaviour. There was substantial Fleiss Kappa agreement among four raters across five dyads and 67 tagged instances. In general, students and carers evaluated the intervention favourably. The results suggest areas of improvement to the recruitment protocol, perspective-taking instructions, video-tagging task, and empathic accuracy tool. Copyright © 2016 Elsevier Ltd. All rights reserved.

  5. ANALYSIS OF LATERAL VIBRATION OF THE WHEEL RELATIVE TO THE RAIL WITH VIDEO

    Directory of Open Access Journals (Sweden)

    V. O. Melnychuk

    2010-03-01

    Full Text Available In the article the videotape recordings of wheel motion on rail track, done during the dynamic tests of carriages, are analyzed. The treatment includes fixing of wheel rim positions in relation to a rail, construction of the spline function of displacement and its frequency description. The purpose of analysis is to determine the presence of harmonic components in the transversal wheel displacements.

  6. Digital video.

    Science.gov (United States)

    Johnson, Don; Johnson, Mike

    2004-04-01

    The process of digital capture, editing, and archiving video has become an important aspect of documenting arthroscopic surgery. Recording the arthroscopic findings before and after surgery is an essential part of the patient's medical record. The hardware and software has become more reasonable to purchase, but the learning curve to master the software is steep. Digital video is captured at the time of arthroscopy to a hard disk, and written to a CD at the end of the operative procedure. The process of obtaining video of open procedures is more complex. Outside video of the procedure is recorded on digital tape with a digital video camera. The camera must be plugged into a computer to capture the video on the hard disk. Adobe Premiere software is used to edit the video and render the finished video to the hard drive. This finished video is burned onto a CD. We outline the choice of computer hardware and software for the manipulation of digital video. The techniques of backup and archiving the completed projects and files also are outlined. The uses of digital video for education and the formats that can be used in PowerPoint presentations are discussed.

  7. Adolescent men's attitudes and decision-making in relation to an unplanned pregnancy. Responses to an interactive video drama.

    Science.gov (United States)

    Lohan, Maria; Cruise, Sharon; O'Halloran, Peter; Alderdice, Fiona; Hyde, Abbey

    2011-05-01

    This study confronts a gender bias in research on adolescent pregnancy by exploring adolescent men's decisions relating to a hypothetical unplanned pregnancy. A cross-sectional survey was conducted with adolescent men (N = 360) aged between 14 and 18 years attending schools in the Republic of Ireland. The study, the first of its kind in Europe, extends the small body of evidence on adolescent men and pregnancy decision-making by developing and examining reactions to an interactive video drama used in a comparable study in Australia. In addition, we tested a more comprehensive range of sociological and psychological determinants of adolescent men's decisions regarding an unplanned pregnancy. Results showed that adolescent men were more likely to choose to keep the baby in preference to abortion or adoption. Adolescent men's choice to continue the pregnancy (keep or adopt) in preference to abortion was significantly associated with anticipated feelings of regret in relation to abortion, perceived positive attitudes of own mother to keeping the baby and a feeling that a part of them might want a baby. Religiosity was also shown to underlie adolescent men's views on the perceived consequences of an abortion in their lives. Crown Copyright © 2011. Published by Elsevier Ltd. All rights reserved.

  8. Single clips versus multi-firing clip device for closure of mucosal incisions after peroral endoscopic myotomy (POEM).

    Science.gov (United States)

    Verlaan, Tessa; Ponds, Fraukje A M; Bastiaansen, Barbara A J; Bredenoord, Albert J; Fockens, Paul

    2016-10-01

    Background and aims: After Peroral Endoscopic Myotomy (POEM), the mucosal incision is closed with endoscopically applied clips. After each clip placement, a subsequent clipping device has to be introduced through the working channel. With the Clipmaster3, three consecutive clips can be placed without reloading which could reduce closure time. We performed a prospective study evaluating efficacy, safety, and ease of use. Closure using Clipmaster3 was compared to closure with standard clips. Methods: Patients undergoing closure with the Clipmaster3 were compared to patients who underwent POEM with standard clip closure. Results: In total, 12 consecutive POEM closures with Clipmaster3 were compared to 24 standard POEM procedures. The Clipmaster3 and the standard group did not differ in sex distribution, age (42 years [29 - 49] vs 41 years [34 - 54] P = 0.379), achalasia subtype, disease duration, length of the mucosal incision (25.0 mm [20 - 30] vs 20.0 mm [20 - 30], P = 1.0), and closure time (622 seconds [438 - 909] vs 599 seconds [488 - 664] P = 0.72). Endoscopically successful closure could be performed in all patients. The proportion of all clips used that were either displaced or discarded was larger for Clipmaster3 (8.8 %) compared to standard closure (2.0 %, P  = 0.00782). Ease of handling VAS (visual analogue scale) score for Clipmaster3 did not differ between endoscopist and endoscopy nurse (7 out of 10). Conclusions: Clipmaster3 is feasible and safe for closure of mucosal incisions after POEM. Clipmaster3 was not associated with reduced closure time. Compared to standard closure, more Clipmaster3 clips were displaced or discarded to achieve successful closure. A training effect cannot be excluded as a cause of these results. NCT01405417.

  9. Elevated intracranial pressure and reversible eye-tracking changes detected while viewing a film clip.

    Science.gov (United States)

    Kolecki, Radek; Dammavalam, Vikalpa; Bin Zahid, Abdullah; Hubbard, Molly; Choudhry, Osamah; Reyes, Marleen; Han, ByoungJun; Wang, Tom; Papas, Paraskevi Vivian; Adem, Aylin; North, Emily; Gilbertson, David T; Kondziolka, Douglas; Huang, Jason H; Huang, Paul P; Samadani, Uzma

    2017-06-02

    OBJECTIVE The precise threshold differentiating normal and elevated intracranial pressure (ICP) is variable among individuals. In the context of several pathophysiological conditions, elevated ICP leads to abnormalities in global cerebral functioning and impacts the function of cranial nerves (CNs), either or both of which may contribute to ocular dysmotility. The purpose of this study was to assess the impact of elevated ICP on eye-tracking performed while patients were watching a short film clip. METHODS Awake patients requiring placement of an ICP monitor for clinical purposes underwent eye tracking while watching a 220-second continuously playing video moving around the perimeter of a viewing monitor. Pupil position was recorded at 500 Hz and metrics associated with each eye individually and both eyes together were calculated. Linear regression with generalized estimating equations was performed to test the association of eye-tracking metrics with changes in ICP. RESULTS Eye tracking was performed at ICP levels ranging from -3 to 30 mm Hg in 23 patients (12 women, 11 men, mean age 46.8 years) on 55 separate occasions. Eye-tracking measures correlating with CN function linearly decreased with increasing ICP (p film clip. These results suggest that eye tracking may be used as a noninvasive, automatable means to quantitate the physiological impact of elevated ICP, which has clinical application for assessment of shunt malfunction, pseudotumor cerebri, concussion, and prevention of second-impact syndrome.

  10. NEI You Tube Videos: Amblyopia

    Medline Plus

    Full Text Available ... NEI YouTube Videos: Amblyopia NEI YouTube Videos YouTube Videos Home Age-Related Macular Degeneration Amblyopia Animations Blindness Cataract Convergence Insufficiency Diabetic Eye Disease Dilated Eye Exam Dry Eye For Kids Glaucoma ...

  11. Rheumatoid Arthritis Educational Video Series

    Medline Plus

    Full Text Available ... Corner / Patient Webcasts / Rheumatoid Arthritis Educational Video Series Rheumatoid Arthritis Educational Video Series This series of five videos ... Your Arthritis Managing Chronic Pain and Depression in Arthritis Nutrition & Rheumatoid Arthritis Arthritis and Health-related Quality of Life ...

  12. [A new laser scan system for video ophthalmoscopy. Initial clinical experiences also in relation to digital image processing].

    Science.gov (United States)

    Fabian, E; Mertz, M; Hofmann, H; Wertheimer, R; Foos, C

    1990-06-01

    The clinical advantages of a scanning laser ophthalmoscope (SLO) and video imaging of fundus pictures are described. Image quality (contrast, depth of field) and imaging possibilities (confocal stop) are assessed. Imaging with different lasers (argon, He-Ne) and changes in imaging rendered possible by confocal alignment of the imaging optics are discussed. Hard copies from video images are still of inferior quality compared to fundus photographs. Methods of direct processing and retrieval of digitally stored SLO video fundus images are illustrated by examples. Modifications for a definitive laser scanning system - in regard to the field of view and the quality of hard copies - are proposed.

  13. Developing a Video Steganography Toolkit

    OpenAIRE

    Ridgway, James; Stannett, Mike

    2014-01-01

    Although techniques for separate image and audio steganography are widely known, relatively little has been described concerning the hiding of information within video streams ("video steganography"). In this paper we review the current state of the art in this field, and describe the key issues we have encountered in developing a practical video steganography system. A supporting video is also available online at http://www.youtube.com/watch?v=YhnlHmZolRM

  14. Age-related changes in vitreous mobility as measured by video B scan ultrasound.

    Science.gov (United States)

    Walton, Kelly A; Meyer, Carsten H; Harkrider, Curtis J; Cox, Terry A; Toth, Cynthia A

    2002-02-01

    Many vitreoretinal disorders increase in incidence with age. The vitreous is known to liquefy and separate from the retina in aging patients. Liquefaction and partial vitreous separation alter the biomechanics of the vitreous and change the tractional forces exerted by the vitreous on the retina. These forces may play a role in the development of a variety of vitreoretinal pathologies including retinal tears, cystoid macular edema, and macular holes. The purpose of this study is to test the hypothesis that the biomechanical properties of the vitreous change with aging and can be quantified by analysis of kinetic B scan ultrasound recordings. Kinetic B scan ultrasound recordings were made of the vitreous gel of 38 subjects from ages 18 to 91 during standard eye motions. The recordings were graded for speckle density (hyperreflective areas on ultrasound) and were examined for the presence or absence of posterior vitreous detachment. Tracking of the speckles on a polar grid allowed for the calculation of the angle travelled by the speckle relative to the angle travelled by the eye. The recordings were also analysed for "overshoot time", or the amount of time that the speckles continued to travel after the cessation of eye movement. The vitreous of subjects of age less than 46 years demonstrated significantly less speckle density (P < 0.001), less overshoot time (P < 0.001), and less angle travelled by the speckle relative to the angle travelled by the eye when compared to older subjects (P = 0.006). The presence or absence of PVD as diagnosed by kinetic ultrasound was not a significant predictor for speckle density, overshoot time, or ratio of angular motions. The results indicate that aging affects the biomechanics of the vitreous in ways which can be quantified with kinetic ultrasound analysis using the grading system described above. Copyright 2002 Elsevier Science Ltd.

  15. Ulnar polydactyly: long-term outcomes and cost-effectiveness of surgical clip application in the newborn.

    Science.gov (United States)

    Mills, Janith K; Ezaki, Marybeth; Oishi, Scott N

    2014-05-01

    Postaxial polydactyly type B (PAPD-B) refers to the nonfunctional, floppy extra digit on the ulnar border of the hand. Suture ligation is applied in the newborn unit if the base is narrow or pedunculated. However, wart-like scars, residual bumps, or neuromas are frequent complications. Wider-based extra digits are treated at a later age by surgical excision under general anesthesia. Surgical clip application expands the indications for PAPD treatment in the newborn unit or outpatient setting with lesser incidences of complications. A retrospective review identified 231 hands with PAPD-B in 132 newborns treated with surgical clips between January 1, 1996, and November 30, 2010, having a minimum of 2 years of follow-up. Medical records were queried for complications, revision procedures, and parent satisfaction. A relative cost survey compares the costs of surgical clips to surgery. In all, 16 extremities in 9 patients (7%) required surgical scar revision. No wound complications were noted.

  16. Bird-borne video-cameras show that seabird movement patterns relate to previously unrevealed proximate environment, not prey

    National Research Council Canada - National Science Library

    Tremblay, Yann; Thiebault, Andréa; Mullers, Ralf; Pistorius, Pierre

    2014-01-01

    ... environmental contexts. Here, using miniaturized video cameras and GPS tracking recorders simultaneously, we show for the first time that information on the immediate visual surroundings of a foraging seabird, the Cape...

  17. Immersive video

    Science.gov (United States)

    Moezzi, Saied; Katkere, Arun L.; Jain, Ramesh C.

    1996-03-01

    Interactive video and television viewers should have the power to control their viewing position. To make this a reality, we introduce the concept of Immersive Video, which employs computer vision and computer graphics technologies to provide remote users a sense of complete immersion when viewing an event. Immersive Video uses multiple videos of an event, captured from different perspectives, to generate a full 3D digital video of that event. That is accomplished by assimilating important information from each video stream into a comprehensive, dynamic, 3D model of the environment. Using this 3D digital video, interactive viewers can then move around the remote environment and observe the events taking place from any desired perspective. Our Immersive Video System currently provides interactive viewing and `walkthrus' of staged karate demonstrations, basketball games, dance performances, and typical campus scenes. In its full realization, Immersive Video will be a paradigm shift in visual communication which will revolutionize television and video media, and become an integral part of future telepresence and virtual reality systems.

  18. Video analysis of acute motor and convulsive manifestations in sport-related concussion.

    Science.gov (United States)

    McCrory, P R; Berkovic, S F

    2000-04-11

    To describe the motor and convulsive manifestations in acute sports-related head injury. A total of 234 cases of concussive injuries during the 1995 through 1997 football seasons were obtained from the Australian Football League Medical Officers Association injury survey. Of these, 102 cases were recorded adequately on television videotape and were analyzed by two independent observers using a standardized recording form detailing injury mechanics and clinical features of the episodes. Motor and convulsive features were correlated with mechanical variables and with duration of loss of consciousness using linear modeling techniques. Tonic posturing occurred in 25 subjects, clonic movements in 6, righting movement in 40, and gait unsteadiness in 42. In one subject the tonic and clonic features were sufficiently prolonged to be deemed a concussive convulsion. The only risk factor for tonic posturing using logistic regression was the presence of loss of consciousness (p = 0.0001). There was a trend toward facial impact being an independent predictor of tonic posturing but this did not reach significance. No other independent variable predicted the development of clonic movements, righting movements, or gait unsteadiness. Subtle motor manifestations such as tonic posturing and clonic movements commonly occur in concussion; the main predictive factor for tonic posturing is the presence of loss of consciousness. The authors speculate that these clinical features are due to brainstem dysfunction secondary to biomechanical forces inducing a transient functional decerebration.

  19. A combination of selected mapping and clipping to increase energy efficiency of OFDM systems

    Science.gov (United States)

    Lee, Byung Moo; Rim, You Seung

    2017-01-01

    We propose an energy efficient combination design for OFDM systems based on selected mapping (SLM) and clipping peak-to-average power ratio (PAPR) reduction techniques, and show the related energy efficiency (EE) performance analysis. The combination of two different PAPR reduction techniques can provide a significant benefit in increasing EE, because it can take advantages of both techniques. For the combination, we choose the clipping and SLM techniques, since the former technique is quite simple and effective, and the latter technique does not cause any signal distortion. We provide the structure and the systematic operating method, and show the various analyzes to derive the EE gain based on the combined technique. Our analysis show that the combined technique increases the EE by 69% compared to no PAPR reduction, and by 19.34% compared to only using SLM technique. PMID:29023591

  20. Clipped speckle autocorrelation metric for spot size characterization of focused beam on a diffuse target.

    Science.gov (United States)

    Li, Yuanyang; Guo, Jin; Liu, Lisheng; Wang, Tingfeng; Tang, Wei; Jiang, Zhenhua

    2015-03-23

    The clipped speckle autocorrelation (CSA) metric is proposed for estimating the laser beam energy concentration on a remote diffuse target in a laser beam projection system with feedback information. Using the second order statistics of the intensity distribution of the fully developed speckle and the relation of the autocorrelation functions for the clipped and unclipped speckles, we present the theoretical expression of this metric as a function of the normalized CSA function. The simulation technique based on the equivalence of the spatial average and the ensemble time average is provided. Based on this simulation technique, we analyze the influence of the surface roughness of the target on this metric and then show the influencing factors of the metric performance, for example the finite sample effect and aperture size of the observation system. Experimental results are illustrated to examine the capability of this metric and the correctness of the discussion about the metric performance.

  1. Increased micronucleated cell frequency related to exposure to radiation emitted by computer cathode ray tube video display monitors

    Directory of Open Access Journals (Sweden)

    Carbonari Karina

    2005-01-01

    Full Text Available It is well recognized that electromagnetic fields can affect the biological functions of living organisms at both cellular and molecular level. The potential damaging effects of electromagnetic fields and very low frequency and extremely low frequency radiation emitted by computer cathode ray tube video display monitors (VDMs has become a concern within the scientific community. We studied the effects of occupational exposure to VDMs in 10 males and 10 females occupationally exposed to VDMs and 20 unexposed control subjects matched for age and sex. Genetic damage was assessed by examining the frequency of micronuclei in exfoliated buccal cells and the frequency of other nuclear abnormalities such as binucleated and broken egg cells. Although there were no differences regarding binucleated cells between exposed and control individuals our analysis revealed a significantly higher frequency of micronuclei (p < 0.001 and broken egg cells (p < 0.05 in individuals exposed to VDMs as compared to unexposed. We also found that the differences between individuals exposed to VDMs were significantly related to the sex of the individuals and that there was an increase in skin, central nervous system and ocular disease in the exposed individuals. These preliminary results indicate that microcomputer workers exposed to VDMs are at risk of significant cytogenetic damage and should periodically undergo biological monitoring.

  2. Work related and individual predictors for incident neck pain among office employees working with video display units.

    Science.gov (United States)

    Korhonen, T; Ketola, R; Toivonen, R; Luukkonen, R; Häkkänen, M; Viikari-Juntura, E

    2003-07-01

    To investigate work related and individual factors as predictors for incident neck pain among office employees working with video display units (VDUs). Employees in three administrative units of a medium sized city in Finland (n = 515) received mailed questionnaires in the baseline survey in 1998 and in the follow up survey in 1999. Response rate for the baseline was 81% (n = 416); respondents who reported neck pain for less than eight days during the preceding 12 months were included into the study cohort as healthy subjects (n = 232). The follow up questionnaire 12 months later was completed by 78% (n = 180). Incident neck cases were those reporting neck pain for at least eight days during the preceding 12 months. The annual incidence of neck pain was 34.4% (95% CI 25.5 to 41.3). Poor physical work environment and poor placement of the keyboard increased the risk of neck pain. Among the individual factors, female sex was a strong predictor. Smoking showed a tendency for an increased risk of neck pain. There was an interaction between mental stress and physical exercise, those with higher mental stress and less physical exercise having especially high risk. In the prevention of neck disorders in office work with a high frequency of VDU tasks, attention should be given to the work environment in general and to the more specific aspects of VDU workstation layout. Physical exercise may prevent neck disorders among sedentary employees.

  3. Fluorescein Angiography in Intracranial Aneurysm Surgery: A Helpful Method to Evaluate the Security of Clipping and Observe Blood Flow.

    Science.gov (United States)

    Kakucs, Cristian; Florian, Ioan-Alexandru; Ungureanu, Gheorghe; Florian, Ioan-Stefan

    2017-09-01

    In cerebral aneurysm surgery, various tools are used to evaluate blood flow, including Doppler ultrasonography, conventional cerebral angiography, and electrophysiological monitoring. Fluorescein and indocyanine green are widely used in vascular and central nervous system tumor neurosurgery; however, their routine utilization in aneurysmal surgery is uncommon, despite the fact that they allow direct visualization of blood flow after aneurysmal sac occlusion, enabling the observation of vessel permeability and the effectiveness of aneurysmal obliteration. We report our initial experience using fluorescein video angiography as a control measure for proper clip placement and control of blood flow in aneurysm surgery, and review the relevant literature. This pilot study presents an initial experience, with enrollment of 10 patients harboring a total of 12 cerebral aneurysms who underwent surgery via clipping and subsequent fluorescence videoangiography control. The intravenous injection was performed to demonstrate the patency of the arteries adjacent to the aneurysm. Following intravenous injection, fluorescein sodium remains in the cerebral vasculature for approximately 3 minutes, providing ample time to evaluate vessel patency and determine whether clip repositioning is needed. None of the patients experienced complications during intravenous injection of fluorescein sodium, and the patency of surrounding vessels was demonstrated in all cases. Fluorescein injection in itself does not present a risk of complications, is simple to use, and offers a clear image of the cerebral vasculature. Thus, this technique is useful for determining vessel patency and the degree of aneurysmal occlusion. Copyright © 2017 Elsevier Inc. All rights reserved.

  4. PROTOTIPE VIDEO EDITOR DENGAN MENGGUNAKAN DIRECT X DAN DIRECT SHOW

    Directory of Open Access Journals (Sweden)

    Djoni Haryadi Setiabudi

    2004-01-01

    Full Text Available Technology development had given people the chance to capture their memorable moments in video format. A high quality digital video is a result of a good editing process. Which in turn, arise the new need of an editor application. In accordance to the problem, here the process of making a simple application for video editing needs. The application development use the programming techniques often applied in multimedia applications, especially video. First part of the application will begin with the video file compression and decompression, then we'll step into the editing part of the digital video file. Furthermore, the application also equipped with the facilities needed for the editing processes. The application made with Microsoft Visual C++ with DirectX technology, particularly DirectShow. The application provides basic facilities that will help the editing process of a digital video file. The application will produce an AVI format file after the editing process is finished. Through the testing process of this application shows the ability of this application to do the 'cut' and 'insert' of video files in AVI, MPEG, MPG and DAT formats. The 'cut' and 'insert' process only can be done in static order. Further, the aplication also provide the effects facility for transition process in each clip. Lastly, the process of saving the new edited video file in AVI format from the application. Abstract in Bahasa Indonesia : Perkembangan teknologi memberi kesempatan masyarakat untuk mengabadikan saat - saat yang penting menggunakan video. Pembentukan video digital yang baik membutuhkan proses editing yang baik pula. Untuk melakukan proses editing video digital dibutuhkan program editor. Berdasarkan permasalahan diatas maka pada penelitian ini dibuat prototipe editor sederhana untuk video digital. Pembuatan aplikasi memakai teknik pemrograman di bidang multimedia, khususnya video. Perencanaan dalam pembuatan aplikasi tersebut dimulai dengan pembentukan

  5. Clipping polygon faces through a polyhedron of vision

    Science.gov (United States)

    Rohner, Michel A. (Inventor); Florence, Judit K. (Inventor)

    1980-01-01

    A flight simulator combines flight data and polygon face terrain data to provide a CRT display at each window of the simulated aircraft. The data base specifies the relative position of each vertex of each polygon face therein. Only those terrain faces currently appearing within the pyramid of vision defined by the pilots eye and the edges of the pilots window need be displayed at any given time. As the orientation of the pyramid of vision changes in response to flight data, the displayed faces are correspondingly displaced, eventually moving out of the pyramid of vision. Faces which are currently not visible (outside the pyramid of vision) are clipped from the data flow. In addition, faces which are only partially outside of pyramid of vision are reconstructed to eliminate the outside portion. Window coordinates are generated defining the distance between each vertex and each of the boundary planes forming the pyramid of vision. The sign bit of each window coordinate indicates whether the vertex is on the pyramid of vision side of the associated boundary panel (positive), or on the other side thereof (negative). The set of sign bits accompanying each vertex constitute the outcode of that vertex. The outcodes (O.C.) are systematically processed and examined to determine which faces are completely inside the pyramid of vision (Case A--all signs positive), which faces are completely outside (Case C--All signs negative) and which faces must be reconstructed (Case B--both positive and negative signs).

  6. Voices and visions of Syrian video activists in Aleppo and Raqqa

    DEFF Research Database (Denmark)

    Wessels, Josepha Ivanka

    2015-01-01

    Thousands of Syrian protesters took mobile phones to record the events taking place in front of their eyes, many recorded the bombings and other atrocities as well as countless videos that were uploaded on YouTube by various groups in the conflict, to be exposed to a worldwide audience. This paper...... and exhibits some sequentiality. With sequentiality comes a certain subjectivity which allows the video maker to take a political space and position. Part of an ongoing postdoctoral research, during which a general typography of You Tube clips from Syria is developed, this paper provides a focus on young...... Syrian video activists and their grassroot video work in Aleppo and Raqqa province. The research methodology is based on on-line visual observation of You Tube clips, original semi-structured interviews with video activists and field visits to Gaziantep in Turkey and Aleppo province in Syria, during...

  7. Prediction of transmission distortion for wireless video communication: analysis.

    Science.gov (United States)

    Chen, Zhifeng; Wu, Dapeng

    2012-03-01

    Transmitting video over wireless is a challenging problem since video may be seriously distorted due to packet errors caused by wireless channels. The capability of predicting transmission distortion (i.e., video distortion caused by packet errors) can assist in designing video encoding and transmission schemes that achieve maximum video quality or minimum end-to-end video distortion. This paper is aimed at deriving formulas for predicting transmission distortion. The contribution of this paper is twofold. First, we identify the governing law that describes how the transmission distortion process evolves over time and analytically derive the transmission distortion formula as a closed-form function of video frame statistics, channel error statistics, and system parameters. Second, we identify, for the first time, two important properties of transmission distortion. The first property is that the clipping noise, which is produced by nonlinear clipping, causes decay of propagated error. The second property is that the correlation between motion-vector concealment error and propagated error is negative and has dominant impact on transmission distortion, compared with other correlations. Due to these two properties and elegant error/distortion decomposition, our formula provides not only more accurate prediction but also lower complexity than the existing methods.

  8. HATE BENEATH THE COUNTER SPEECH? A QUALITATIVE CONTENT ANALYSIS OF USER COMMENTS ON YOUTUBE RELATED TO COUNTER SPEECH VIDEOS

    Directory of Open Access Journals (Sweden)

    Julian Ernst

    2017-03-01

    Full Text Available The odds in stumbling over extremist material in the internet are high. Counter speech videos, such as those of the German campaign Begriffswelten Islam (Concepts of Islam; Bundeszentrale für politische Bildung, 2015a published on YouTube, offer alternative perspectives and democratic ideas to counteract extremist content. YouTube users may discuss these videos in the comment sections below the video. Yet, it remains open which topics these users bring up in their comments. Moreover, it is unknown how far user comments in this context may promote hate speech—the very opposite of what counter speeches intent to evoke. By applying a qualitative content analysis on a randomly selected sample of user comments, which appeared beneath the counter speech videos of Concepts of Islam, we found that comments dominated, which dealt with devaluating prejudices and stereotypes towards Muslims and/or Islam. However, we also discovered that users in a large scale discussed the content of the videos. Moreover, we identified user comments, which hint at hateful speech either in comments themselves or the discourse the comments are embedded in. Based on these results, we discuss implications for researchers, practitioners and security agencies.

  9. PAPR Reduction of FBMC by Clipping and Its Iterative Compensation

    Directory of Open Access Journals (Sweden)

    Zsolt Kollár

    2012-01-01

    Full Text Available Physical layers of communication systems using Filter Bank Multicarrier (FBMC as a modulation scheme provide low out-of-band leakage but suffer from the large Peak-to-Average Power Ratio (PAPR of the transmitted signal. Two special FBMC schemes are investigated in this paper: the Orthogonal Frequency Division Multiplexing (OFDM and the Staggered Multitone (SMT. To reduce the PAPR of the signal, time domain clipping is applied in both schemes. If the clipping is not compensated, the system performance is severely affected. To avoid this degradation, an iterative noise cancelation technique, Bussgang Noise Cancelation (BNC, is applied in the receiver. It is shown that clipping can be a good means for reducing the PAPR, especially for the SMT scheme. A novel modified BNC receiver is presented for SMT. It is shown how this technique can be implemented in real-life applications where special requirements must be met regarding the spectral characteristics of the transmitted signal.

  10. Low Proteolytic Clipping of Histone H3 in Cervical Cancer

    Science.gov (United States)

    Sandoval-Basilio, Jorge; Serafín-Higuera, Nicolás; Reyes-Hernandez, Octavio D.; Serafín-Higuera, Idanya; Leija-Montoya, Gabriela; Blanco-Morales, Magali; Sierra-Martínez, Monica; Ramos-Mondragon, Roberto; García, Silvia; López-Hernández, Luz Berenice; Yocupicio-Monroy, Martha; Alcaraz-Estrada, Sofia L.

    2016-01-01

    Chromatin in cervical cancer (CC) undergoes chemical and structural changes that alter the expression pattern of genes. Recently, a potential mechanism, which regulates gene expression at transcriptional levels is the proteolytic clipping of histone H3. However, until now this process in CC has not been reported. Using HeLa cells as a model of CC and human samples from patients with CC, we identify that the H3 cleavage was lower in CC compared with control tissue. Additionally, the histone H3 clipping was performed by serine and aspartyl proteases in HeLa cells. These results suggest that histone H3 clipping operates as part of post-translational modification system in CC. PMID:27698925

  11. Indexing, Browsing, and Searching of Digital Video.

    Science.gov (United States)

    Smeaton, Alan F.

    2004-01-01

    Presents a literature review that covers the following topics related to indexing, browsing, and searching of digital video: video coding and standards; conventional approaches to accessing digital video; automatically structuring and indexing digital video; searching, browsing, and summarization; measurement and evaluation of the effectiveness of…

  12. Effectiveness of an Ergonomics Training Program on Decreasing Work-Related Musculoskeletal Disorders Risk among Video Display Terminals Users.

    Science.gov (United States)

    Rasoulzadeh, Yahya; Gholamnia, Reza

    2012-01-01

    According to the findings of several studies conducted on work-related musculoskeletal disorders (WMSDs) among the video display terminals (VDTs) users, Prevention of these disorders among this population is a challenge for many workplaces today. Ergonomically Improving of VDT workstations may be an effective and applicable way to decrease the risk of WMSDs. This study evaluated the effect of an ergonomics-training program on the risk of WMSDs among VDT users. This study was conducted among a large group of computer users in SAPCO industrial company, Tehran, Iran (84 persons with 29.85±11.2 years of age and with 6.98±2.54 years of experience). An active ergonomics-training program was designed and implemented during 14 days to empower the VDT users and involve them in improving their workstations. The direct observational RULA (Rapid Upper Limb Assessment) method was used in pre and post-intervention stages to evaluate the risk of WMSDs among participants. The RULA final scores showed that 18.8 % of VDT users were at action level 2, 63.5% at action level 3 and 17.6% at action level 4 before any intervention. In addition, 8.2% of users were at action level 1, 44.7% at action level 2, 42.4% at action level 3 and 4.7% at action level 4 at the post-intervention stage. The results of Wilcoxon statistical test indicated that RULA scores ere decreased significantly after interventions (P < 0.05) and consequently, decreased risk of WMSDs. Active ergonomics training programs can be used effectively to improve the VDT workstations and decrease the risk of musculoskeletal disorders among VDT users.

  13. YUCSA: A CLIPS expert database system to monitor academic performance

    Science.gov (United States)

    Toptsis, Anestis A.; Ho, Frankie; Leindekar, Milton; Foon, Debra Low; Carbonaro, Mike

    1991-01-01

    The York University CLIPS Student Administrator (YUCSA), an expert database system implemented in C Language Integrated Processing System (CLIPS), for monitoring the academic performance of undergraduate students at York University, is discussed. The expert system component in the system has already been implemented for two major departments, and it is under testing and enhancement for more departments. Also, more elaborate user interfaces are under development. We describe the design and implementation of the system, problems encountered, and immediate future plans. The system has excellent maintainability and it is very efficient, taking less than one minute to complete an assessment of one student.

  14. Involvement of activated prorenin in the pathogenesis of slowly progressive nephropathy in the non-clipped kidney of two kidney, one-clip hypertension.

    Science.gov (United States)

    Ryuzaki, Masaki; Ichihara, Atsuhiro; Ohshima, Yoichi; Sakoda, Mariyo; Kurauchi-Mito, Asako; Narita, Tatsuya; Kinouchi, Kenichiro; Murohashi-Bokuda, Kanako; Nishiyama, Akira; Itoh, Hiroshi

    2011-03-01

    The handle region peptide (HRP), a (pro)renin receptor (P)RR blocker, did not prevent the acute nephropathy occurring 2 weeks after clipping in renovascular hypertensive rats. This study was performed to examine the effects of HRP, its scramble peptide, or a saline vehicle on slowly progressive nephropathy occurring in the kidneys of two-kidney, one-clip Goldblatt hypertensive rats. At 2 weeks after clipping, the renal morphology in the clipped and non-clipped kidneys was similar in the three groups of rats. At 12 weeks after clipping, however, the glomerulosclerosis index (GI) and the tubulointerstitial damage (TD) of the non-clipped kidneys of the HRP-treated rats were significantly lower than those of vehicle-treated rats, although the GI and the TD were similar in the rats treated with scramble peptide and vehicle. The GI and the TD of the clipped kidneys were similar in the three groups of rats at 12 weeks after clipping. In the non-clipped kidneys at 12 weeks after clipping, activated prorenin levels, angiotensin II levels and transforming growth factor (TGF)-β mRNA levels of HRP-treated rats were significantly lower than those of vehicle-treated rats, although they were similar in the non-clipped kidneys from the rats treated with scramble peptide and vehicle. In the clipped kidneys at 12 weeks after clipping, activated prorenin levels, angiotensin II levels and TGF-β mRNA levels were similar in the three groups of rats. These results suggest that the ((P)RR)-dependent activation of prorenin contributes to the pathogenesis of slowly progressive nephropathy in the intact kidney in a rat model of renovascular hypertension. © 2011 The Japanese Society of Hypertension All rights reserved

  15. Effectiveness of slow motion video compared to real time video in ...

    African Journals Online (AJOL)

    Spearman's rho, Cramer's V, and t-tests were performed to determine if slow motion video increased either the accuracy or consistency of raters' SGA relative to real time video. Raters demonstrated no significant increase in consistency or accuracy in their SGA of slow motion video relative to real time video. Based on these ...

  16. Video Observations of Children's Perspectives on Their Lived Experiences: Challenges in the Relations between the Researcher and Children

    Science.gov (United States)

    Pálmadóttir, Hrönn; Einarsdóttir, Jóhanna

    2016-01-01

    The article seeks to explore the relationship between the researcher and children aged from one to three years old. The findings are drawn from a research project in an Icelandic preschool where video recordings were used as the main method. The aim of the research project was to understand children's lived experiences when creating their…

  17. 76 FR 44575 - Paper Clips From the People's Republic of China: Continuation of the Antidumping Duty Order

    Science.gov (United States)

    2011-07-26

    ... order are plastic and vinyl covered paper clips, butterfly clips, binder clips, or other paper fasteners... antidumping duty cash deposits at the rates in effect at the time of entry for all imports of subject...

  18. 76 FR 26242 - Paper Clips From the People's Republic of China: Final Results of Expedited Sunset Review of...

    Science.gov (United States)

    2011-05-06

    ... from the scope of the order are plastic and vinyl covered paper clips, butterfly clips, binder clips... Central Records Unit, room 7046, of the main Commerce building. In addition, a complete public ] version...

  19. Video Podcasts

    DEFF Research Database (Denmark)

    Nortvig, Anne Mette; Sørensen, Birgitte Holm

    2016-01-01

    This project’s aim was to support and facilitate master’s students’ preparation and collaboration by making video podcasts of short lectures available on YouTube prior to students’ first face-to-face seminar. The empirical material stems from group interviews, from statistical data created through...... YouTube analytics and from surveys answered by students after the seminar. The project sought to explore how video podcasts support learning and reflection online and how students use and reflect on the integration of online activities in the videos. Findings showed that students engaged actively...

  20. Exposure to pornographic videos and its effect on HIV-related sexual risk behaviours among male migrant workers in southern India.

    Directory of Open Access Journals (Sweden)

    Bidhubhusan Mahapatra

    Full Text Available OBJECTIVE: Research on pornography and its association with HIV-related sexual behaviours is limited in India. This study aims to examine the prevalence and correlates of viewing pornographic videos and examine its associations with HIV-related sexual risk behaviours among male migrant workers in India. METHODS: Data were drawn from a cross-sectional survey conducted in 2007-08 across 21 districts in four states of India. Respondents included 11,219 male migrants aged 18 years or older, who had migrated to at least two places in the past two years for work. Bivariate and multivariate methods were used to examine the association between viewing pornography and HIV-related sexual risk behaviours. RESULTS: Two-fifths (40% of the migrants had viewed pornographic videos in one month prior to the survey. Migrants aged 25-29 years, literate, unmarried and away from native village for more than five years were more likely to view pornography than their counterparts. Migrants who viewed pornographic videos were more likely to engage in paid (Adjusted odds ratio [AOR]: 4.2, 95% confidence interval [CI]: 3.7-4.8 and unpaid sex (AOR: 4.2, 95% CI: 3.7-4.7, report inconsistent condom use in paid sex (AOR: 2.3, 95% CI: 1.7-3.0 and experience STI-like symptoms (AOR: 1.7, 95% CI: 1.5-1.8 than their counterparts. CONCLUSIONS: The findings regarding migrants' exposure to pornography and its linkage with high HIV risk behaviour suggest that the HIV prevention programmes for migrants need to be more innovative to communicate on the negative-effects of viewing pornography. More importantly, programmes need to find alternative ways to engage migrants in infotainment activities during their leisure time in an effort to reduce their exposure to pornographic videos as well as risky sexual behaviours.

  1. Fullerene as alligator clips for electrical conduction through ...

    Indian Academy of Sciences (India)

    The conductance of a single molecule transport junction comprising anthracene molecular junction (AMJ) with fullerene as alligator clips was investigated using a b − i n i t i o density functional theory (DFT) in the Landauer–Imry regime of coherent tunnelling transport. In our previous research, we have already calculatedthe ...

  2. MitraClip para el reparo de insuficiencia mitral severa

    Directory of Open Access Journals (Sweden)

    Celin Malkun

    2016-11-01

    Conclusiones: Se reporta el primer caso de implante de MitraClip para el manejo de la IM severa, en la ciudad de Barranquilla, siendo la segunda ciudad de Colombia, después de Cali, donde se implanta este tipo de dispositivos para el reparo de la insuficiencia mitral severa.

  3. Direct mounted photovoltaic device with improved front clip

    Science.gov (United States)

    Keenihan, James R; Boven, Michelle; Brown, Jr., Claude; Gaston, Ryan S; Hus, Michael; Langmaid, Joe A; Lesniak, Mike

    2013-11-05

    The present invention is premised upon a photovoltaic assembly system for securing and/or aligning at least a plurality of vertically adjacent (overlapping) photovoltaic device assemblies to one another. The securing function being accomplished by a clip member that may be a separate component or integral to one or more of the photovoltaic device assemblies.

  4. Direct mounted photovoltaic device with improved side clip

    Science.gov (United States)

    Keenihan, James R; Boven, Michelle L; Brown, Jr., Claude; Eurich, Gerald K; Gaston, Ryan S; Hus, Michael

    2013-11-19

    The present invention is premised upon a photovoltaic assembly system for securing and/or aligning at least a plurality of vertically adjacent photovoltaic device assemblies to one another. The securing function being accomplished by a clip member that may be a separate component or integral to one or more of the photovoltaic device assemblies.

  5. Improving NAVFAC's total quality management of construction drawings with CLIPS

    Science.gov (United States)

    Antelman, Albert

    1991-01-01

    A diagnostic expert system to improve the quality of Naval Facilities Engineering Command (NAVFAC) construction drawings and specification is described. C Language Integrated Production System (CLIPS) and computer aided design layering standards are used in an expert system to check and coordinate construction drawings and specifications to eliminate errors and omissions.

  6. Equation-Method for correcting clipping errors in OFDM signals.

    Science.gov (United States)

    Bibi, Nargis; Kleerekoper, Anthony; Muhammad, Nazeer; Cheetham, Barry

    2016-01-01

    Orthogonal frequency division multiplexing (OFDM) is the digital modulation technique used by 4G and many other wireless communication systems. OFDM signals have significant amplitude fluctuations resulting in high peak to average power ratios which can make an OFDM transmitter susceptible to non-linear distortion produced by its high power amplifiers (HPA). A simple and popular solution to this problem is to clip the peaks before an OFDM signal is applied to the HPA but this causes in-band distortion and introduces bit-errors at the receiver. In this paper we discuss a novel technique, which we call the Equation-Method, for correcting these errors. The Equation-Method uses the Fast Fourier Transform to create a set of simultaneous equations which, when solved, return the amplitudes of the peaks before they were clipped. We show analytically and through simulations that this method can, correct all clipping errors over a wide range of clipping thresholds. We show that numerical instability can be avoided and new techniques are needed to enable the receiver to differentiate between correctly and incorrectly received frequency-domain constellation symbols.

  7. User Surveys in College Libraries. Clip Note #23.

    Science.gov (United States)

    Adams, Mignon S., Comp.; Beck, Jeffrey A., Comp.

    This CLIP (College Library Information Packet) offers a compilation of surveys and other methods of inquiry into user satisfaction submitted by college libraries around the United States developed to obtain feedback from the clientele they serve. In April 1995, surveys were mailed to 265 college and small university library directors, and the…

  8. Sociolinguistic import of name-clipping among Omambala cultural ...

    African Journals Online (AJOL)

    This study examines the perceived but obvious manifestation of name-clipping among Omambala cultural zone of Anambra State. This situation has given rise to distortion of names and most often, to either mis-interpretation or complete loss of the original and full meanings of the names. This situation of misinterpretation is ...

  9. Digital video transcoding for transmission and storage

    CERN Document Server

    Sun, Huifang; Chen, Xuemin

    2004-01-01

    Professionals in the video and multimedia industries need a book that explains industry standards for video coding and how to convert the compressed information between standards. Digital Video Transcoding for Transmission and Storage answers this demand while also supplying the theories and principles of video compression and transcoding technologies. Emphasizing digital video transcoding techniques, this book summarizes its content via examples of practical methods for transcoder implementation. It relates almost all of its featured transcoding technologies to practical applications.This vol

  10. Medan Video Game Center (High Tech Architecture)

    OpenAIRE

    Roni,

    2014-01-01

    Medan Video Game Center construction is intended to facilitate the people who are enthusiast about video game in Medan. This building also can be a place for organized event – event that is related to video game such as video game exhibition, or video game competition. Besides that, Medan Video Game Center construction also as education place which there is contain a video game academy and vehicle simulator room. The building design use double skin façade concept that highlights the supportin...

  11. Our experience with the titanium soft clip piston stapedotomy.

    Science.gov (United States)

    Singh, P P; Goyal, Arun

    2013-07-01

    The crimping of stapes prosthesis to the long process of incus has always been the bugbear of an otologist. Malcrimping on one hand can lead to necrosis of the long process on the other it can lead to a residual air-bone gap or a postoperative reappearance of the conductive hearing loss. To solve these problems different types of stapes prostheses having different techniques to achieve a secure attachment to incus have been devised. Retrospective analysis of patient data. Tertiary care hospital. Case records of 20 patients of otosclerosis who had undergone stapedotomy using titanium soft clip stapes piston (Kurz, Germany) were retrospectively analysed. This new type of stapes piston is a modification of the earlier àWengen clip piston (Kurz, Germany) which was designed to avoid the crimping onto the incus in stapedotomy. Hearing results were analyzed using American Academy of Otolaryngology-Head and Neck Surgery guidelines including 4 frequency pure tone average. The mean postoperative air-bone gap was with in 10 dB in 8 (40% of cases), up to 15 dB in another 8 (40%) cases and in rest 4 (20%) was with in 20 dB. No adverse reactions occurred during follow-up. The use of the titanium soft clip stapes piston gives good results in cases of stapedotomy for otosclerosis. The soft clip design is a new development in the evolution of stapes piston prostheses. Surgical introduction, placement, and fixation are easier than the earlier àWengen design of clip piston.

  12. Quantitative analysis of patients with celiac disease by video capsule endoscopy: A deep learning method.

    Science.gov (United States)

    Zhou, Teng; Han, Guoqiang; Li, Bing Nan; Lin, Zhizhe; Ciaccio, Edward J; Green, Peter H; Qin, Jing

    2017-06-01

    Celiac disease is one of the most common diseases in the world. Capsule endoscopy is an alternative way to visualize the entire small intestine without invasiveness to the patient. It is useful to characterize celiac disease, but hours are need to manually analyze the retrospective data of a single patient. Computer-aided quantitative analysis by a deep learning method helps in alleviating the workload during analysis of the retrospective videos. Capsule endoscopy clips from 6 celiac disease patients and 5 controls were preprocessed for training. The frames with a large field of opaque extraluminal fluid or air bubbles were removed automatically by using a pre-selection algorithm. Then the frames were cropped and the intensity was corrected prior to frame rotation in the proposed new method. The GoogLeNet is trained with these frames. Then, the clips of capsule endoscopy from 5 additional celiac disease patients and 5 additional control patients are used for testing. The trained GoogLeNet was able to distinguish the frames from capsule endoscopy clips of celiac disease patients vs controls. Quantitative measurement with evaluation of the confidence was developed to assess the severity level of pathology in the subjects. Relying on the evaluation confidence, the GoogLeNet achieved 100% sensitivity and specificity for the testing set. The t-test confirmed the evaluation confidence is significant to distinguish celiac disease patients from controls. Furthermore, it is found that the evaluation confidence may also relate to the severity level of small bowel mucosal lesions. A deep convolutional neural network was established for quantitative measurement of the existence and degree of pathology throughout the small intestine, which may improve computer-aided clinical techniques to assess mucosal atrophy and other etiologies in real-time with videocapsule endoscopy. Copyright © 2017 Elsevier Ltd. All rights reserved.

  13. The effects of video-based and activity-based instruction on high school students' knowledge, attitudes, and behavioral intentions related to seat belt use

    Science.gov (United States)

    Jones, Tudor Griffith, III

    The purpose of this study was to determine the effect of video-based science instruction and accompanying activity-based instruction on the knowledge, attitudes, and behavioral intentions of high school students' use of seat belts. Secondarily, the purpose was to determine order effects and interactions between the two treatments used in the study: video-based instruction and hands-on activity-based instruction. The study used Ajzen and Fishbein's theory of reasoned action to investigate the factors influencing high school students' behavioral intentions regarding seat belt use. This study used a pretest-posttest-posttest treatment design. Data were collected on 194 students in high school introductory biology and chemistry classes in Gainesville, Florida. Ten intact high school science classes (eight treatment and two control) took pretests and posttests measuring physics knowledge, attitudes, and behavioral intentions toward seat belt use prior to and after participating in the two treatments. The treatment group students participated in at least 500 minutes of instructional time divided among five lessons over 10 instructional days. All participants were pretested on physics knowledge, attitudes, and behavioral intentions toward seat belt use prior to two treatments. Treatment A was defined as participating in one 50-minute video-based instructional lesson. Treatment B was defined as participating in four hands-on science activities regarding crash-related physics concepts. Cronbach's coefficient alpha was used for analysis of the researcher-designed instruments, and ANOVA was used to analyze the data. The results of the analyses (p behavioral intentions regarding seat belts use. The treatment sequence did not result in significantly greater (p behavioral intentions regarding seat belt use. The results of this study indicate that video-based instruction and activity-based instruction can positively change knowledge and behavioral intentions related to seat belt

  14. Subtitled video tutorials, an accessible teaching material

    Directory of Open Access Journals (Sweden)

    Luis Bengochea

    2012-11-01

    Full Text Available The use of short-lived audio-visual tutorials constitutes an educational resource very attractive for young students, widely familiar with this type of format similar to YouTube clips. Considered as "learning pills", these tutorials are intended to strengthen the understanding of complex concepts that because their dynamic nature can’t be represented through texts or diagrams. However, the inclusion of this type of content in eLearning platforms presents accessibility problems for students with visual or hearing disabilities. This paper describes this problem and shows the way in which a teacher could add captions and subtitles to their videos.

  15. Effect of apical meristem clipping on carbon allocation and morphological development of white oak seedlings

    Science.gov (United States)

    Paul P. Kormanik; Shi-Jean S. Sung; T.L. Kormanik; Stanley J. Zarnoch

    1994-01-01

    Seedlings from three open-pollinated half-sib white oak seedlots were clipped in mid-July and their development was compared to nonclipped controls after one growing season.In general when data were analyzed by family, clipped seedlings were significantly less desirable in three to six of the eight variables tested.Numerically, in all families seedlots, the clipped...

  16. Learning Science Through Digital Video: Views on Watching and Creating Videos

    Science.gov (United States)

    Wade, P.; Courtney, A. R.

    2013-12-01

    In science, the use of digital video to document phenomena, experiments and demonstrations has rapidly increased during the last decade. The use of digital video for science education also has become common with the wide availability of video over the internet. However, as with using any technology as a teaching tool, some questions should be asked: What science is being learned from watching a YouTube clip of a volcanic eruption or an informational video on hydroelectric power generation? What are student preferences (e.g. multimedia versus traditional mode of delivery) with regard to their learning? This study describes 1) the efficacy of watching digital video in the science classroom to enhance student learning, 2) student preferences of instruction with regard to multimedia versus traditional delivery modes, and 3) the use of creating digital video as a project-based educational strategy to enhance learning. Undergraduate non-science majors were the primary focus group in this study. Students were asked to view video segments and respond to a survey focused on what they learned from the segments. Additionally, they were asked about their preference for instruction (e.g. text only, lecture-PowerPoint style delivery, or multimedia-video). A majority of students indicated that well-made video, accompanied with scientific explanations or demonstration of the phenomena was most useful and preferred over text-only or lecture instruction for learning scientific information while video-only delivery with little or no explanation was deemed not very useful in learning science concepts. The use of student generated video projects as learning vehicles for the creators and other class members as viewers also will be discussed.

  17. Spatial-temporal forensic analysis of mass casualty incidents using video sequences.

    Science.gov (United States)

    Hao Dong; Juechen Yin; Schafer, James; Ganz, Aura

    2016-08-01

    In this paper we introduce DIORAMA based forensic analysis of mass casualty incidents (MCI) using video sequences. The video sequences captured on site are automatically annotated by metadata, which includes the capture time and the camera location and viewing direction. Using a visual interface the MCI investigators can easily understand the availability of video clips in specific areas of interest, and efficiently review them. The video-based forensic analysis system will enable the MCI investigators to better understand the rescue operations and subsequently improve training procedures.

  18. Effectiveness of an Ergonomics Training Program on Decreasing Work-Related Musculoskeletal Disorders Risk among Video Display Terminals Users

    OpenAIRE

    Yahya Rasoulzadeh; Reza Gholamnia

    2012-01-01

    loskeletaldisorders (WMSDs) among the video display terminals (VDTs) users, Prevention ofthese disorders among this population is a challenge for many workplaces today. ErgonomicallyImproving of VDT workstations may be an effective and applicable way to decrease the risk ofWMSDs. This study evaluated the effect of an ergonomics-training program on the risk ofWMSDs among VDT users.Methods: This study was conducted among a large group of computer users in SAPCO industrialcompany, Tehran, Iran (...

  19. The Image as a Relate: Video as a Resource for Listening to and Giving Voice to Persons with Learning Disabilities

    Science.gov (United States)

    Rojas, Susana; Sanahuja, Josep Ma

    2012-01-01

    Our work, based on two pieces of research, aims to show how we try to get the voice of persons with learning disabilities. In both pieces of work, the second of which is still under progress, we have used video as the means by which we can collect and show what people are saying in the context and situation in which they find themselves. As we…

  20. Color spaces in digital video

    Energy Technology Data Exchange (ETDEWEB)

    Gaunt, R.

    1997-05-01

    . For example, humans `see` more white-to-black (luminance) detail then red, green, or blue color detail. Also, the eye is most sensitive to green colors. Taking advantage of this, both composite and component video allocates more bandwidth for the luma (Y`) signal than the chroma signals. Y`611 is composed of 59% green`, 30% red`, and 11% blue` (prime symbol denotes gamma corrected colors). This luma signal also maintains compatibility with black and white television receivers. Component digital video converts R`G`B` signals (either from a camera or a computer) to a monochromatic brightness signal Y` (referred here as luma to distinguish it from the CIE luminance linear- light quantity), and two color difference signals Cb and Cr. These last two are the blue and red signals with the luma component subtracted out. As you know, computer graphic images are composed of red, green, and blue elements defined in a linear color space. Color monitors do not display RGB linearly. A linear RGB color space image must be gamma corrected to be displayed properly on a CRT. Gamma correction, which is approximately a 0.45 power function, must also be employed before converting an RGB image to video color space. Gamma correction is defined for video in the international standard: ITU-Rec. BT.709-4. The gamma correction transform is the same for red, green, and blue. The color coding standard for component digital video and high definition video symbolizes gamma corrected luma by Y`, the blue difference signal by Cb (Cb = B` -Y`), and the red color difference signal by Cr (Cr = R` - Y`). Component analog HDTV uses Y`PbPr. To reduce conversion errors, clip in R`G`B`, not in Y`CbCr space. View video on a video monitor, computer monitor phosphors are wrong. Use a large word size (double precision) to avoid warp around, the0232n round the results to values between 0 and 255. And finally, recall that multiplying two 8- bit numbers results in a 16-bit number, so values need to be clipped to 8

  1. Exchanging digital video of laryngeal examinations.

    Science.gov (United States)

    Crump, John M; Deutsch, Thomas

    2004-03-01

    Laryngeal examinations, especially stroboscopic examinations, are increasingly recorded using digital video formats on computer media, rather than using analog formats on videotape. It would be useful to share these examinations with other medical professionals in formats that would facilitate reliable and high-quality playback on a personal computer by the recipients. Unfortunately, a personal computer is not well designed for reliable presentation of artifact-free video. It is particularly important that laryngeal video play without artifacts of motion or color because these are often the characteristics of greatest clinical interest. With proper tools and procedures, and with reasonable compromises in image resolution and the duration of the examination, digital video of laryngeal examinations can be reliably exchanged. However, the tools, procedures, and formats for recording, converting to another digital format ("transcoding"), communicating, copying, and playing digital video with a personal computer are not familiar to most medical professionals. Some understanding of digital video and the tools available is required of those wanting to exchange digital video. Best results are achieved by recording to a digital format best suited for recording (such as MJPEG or DV),judiciously selecting a segment of the recording for sharing, and converting to a format suited to distribution (such as MPEG1 or MPEG2) using a medium suited to the situation (such as e-mail attachment, CD-ROM, a "clip" within a Microsoft PowerPoint presentation, or DVD-Video). If digital video is sent to a colleague, some guidance on playing files and using a PC media player is helpful.

  2. Primary Motor Cortex Activation during Action Observation of Tasks at Different Video Speeds Is Dependent on Movement Task and Muscle Properties

    OpenAIRE

    Moriuchi, Takefumi; Matsuda, Daiki; Nakamura, Jirou; Matsuo, Takashi; Nakashima, Akira; Nishi, Keita; Fujiwara, Kengo; Iso, Naoki; Nakane, Hideyuki; Higashi, Toshio

    2017-01-01

    The aim of the present study was to investigate how the video speed of observed action affects the excitability of the primary motor cortex (M1), as assessed by the size of motor-evoked potentials (MEPs) induced by transcranial magnetic stimulation (TMS). Twelve healthy subjects observed a video clip of a person catching a ball (Experiment 1: rapid movement) and another 12 healthy subjects observed a video clip of a person reaching to lift a ball (Experiment 2: slow movement task). We played ...

  3. Impact of metal artifact reduction software on image quality of gemstone spectral imaging dual-energy cerebral CT angiography after intracranial aneurysm clipping

    Energy Technology Data Exchange (ETDEWEB)

    Dunet, Vincent; Bernasconi, Martine; Hajdu, Steven David; Meuli, Reto Antoine; Zerlauth, Jean-Baptiste [Lausanne University Hospital, Department of Diagnostic and Interventional Radiology, Lausanne (Switzerland); Daniel, Roy Thomas [Lausanne University Hospital, Department of Neurosurgery, Lausanne (Switzerland)

    2017-09-15

    We aimed to assess the impact of metal artifact reduction software (MARs) on image quality of gemstone spectral imaging (GSI) dual-energy (DE) cerebral CT angiography (CTA) after intracranial aneurysm clipping. This retrospective study was approved by the institutional review board, which waived patient written consent. From January 2013 to September 2016, single source DE cerebral CTA were performed in 45 patients (mean age: 60 ± 9 years, male 9) after intracranial aneurysm clipping and reconstructed with and without MARs. Signal-to-noise (SNR), contrast-to-noise (CNR), and relative CNR (rCNR) ratios were calculated from attenuation values measured in the internal carotid artery (ICA) and middle cerebral artery (MCA). Volume of clip and artifacts and relative clip blurring reduction (rCBR) ratios were also measured at each energy level with/without MARs. Variables were compared between GSI and GSI-MARs using the paired Wilcoxon signed-rank test. MARs significantly reduced metal artifacts at all energy levels but 130 and 140 keV, regardless of clips' location and number. The optimal rCBR was obtained at 110 and 80 keV, respectively, on GSI and GSI-MARs images, with up to 96% rCNR increase on GSI-MARs images. The best compromise between metal artifact reduction and rCNR was obtained at 70-75 and 65-70 keV for GSI and GSI-MARs images, respectively, with up to 15% rCBR and rCNR increase on GSI-MARs images. MARs significantly reduces metal artifacts on DE cerebral CTA after intracranial aneurysm clipping regardless of clips' location and number. It may be used to reduce radiation dose while increasing CNR. (orig.)

  4. The dark side of online activism: Swedish right-wing extremist video activism on YouTube

    Directory of Open Access Journals (Sweden)

    Mattias Ekman

    2014-05-01

    Full Text Available In recent years, an emerging body of work, centred on specific communicative forms used in facilitating collective and connective action, have contributed to greater understanding of how digital communication relates to social mobilisation. Plenty of these studies highlight the progressive potentiality of digital communication. However, undemocratic actors also utilise the rapid advancement in digital technology. This article explores the online video activism of extreme right-wing groups in Sweden. It analyses more than 200 clips on YouTube, produced by five right-wing extremist organisations. The study shows that the extreme right deploy video activism as a strategy of visibility to mobilise and strengthen activists. Moreover, the groups attempt to alter the perception of (historically-rooted socio-political identities of the extreme right. Furthermore, YouTube becomes a political arena in which action repertoires and street politics are adapted to the specific characteristics of online video activism. Finally, video activism could be understood as an aestheticisation of politics.

  5. The dark side of online activism: Swedish right-wing extremist video activism on YouTube

    Directory of Open Access Journals (Sweden)

    Mattias Ekman

    2014-06-01

    Full Text Available In recent years, an emerging body of work, centred on specific communicative forms used in facilitating collective and connective action, have contributed to greater understanding of how digital communication relates to social mobilisation. Plenty of these studies highlight the progressive potentiality of digital communication. However, undemocratic actors also utilise the rapid advancement in digital technology. This article explores the online video activism of extreme right-wing groups in Sweden. It analyses more than 200 clips on YouTube, produced by five right-wing extremist organisations. The study shows that the extreme right deploy video activism as a strategy of visibility to mobilise and strengthen activists. Moreover, the groups attempt to alter the perception of (historically-rooted socio-political identities of the extreme right. Furthermore, YouTube becomes a political arena in which action repertoires and street politics are adapted to the specific characteristics of online video activism. Finally, video activism could be understood as an aestheticisation of politics.

  6. [Growth and resource allocation pattern of Artemisia frigida under different grazing and clipping intensities].

    Science.gov (United States)

    Li, Jinhua; Li, Zhenqing; Liu, Zhenguo

    2004-03-01

    In order to understand the degradation process and its mechanism of typical steppe in Inner Mongolia, this paper studied the growth and resource allocation pattern of Artimisia frigida under different grazing and clipping intensities(no grazing, light grazing 1.33 sheep.hm-2, moderate grazing 4.00 sheep.hm-2, heavy grazing 6.67 sheep.hm-2, proportional clipping and stubble clipping), which was conducted at the Inner Mongolia Grassland Ecosystem Research Station of Chinese Academy of Sciences(43 degrees 26'-44 degrees 08' N, 116 degrees 04'-117 degrees 05' E). The results showed that the regrowth ability of A. frigida under proportional clipping was superior to that under stubble clipping, and light clipping (1/4 proportional clipping or 10 cm stubble clipping) was superior to no clipping. In early growth season, the net regrowth of A. frigida was higher under no clipping than under light clipping, but reversed in late growth season (after mid-August). The biomass allocation pattern of A. frigida was roots > leaves > stems. Grazing or clipping affected biomass allocation significantly, especially for the allocation of leaves and flowers. The biomass allocation of leaves was significantly higher under 3/4 proportional clipping or 4 cm stubble clipping than under other treatments, and reverse trend was true for the biomass allocation of flowers. There were no significant differences in biomass allocation of roots and stems among treatments. Sexual reproductive allocation decreased with increasing grazing or clipping intensities, and reproductive mode of A. frigida changed under heavy grazing. The changes in priority of biomass allocation from sexual reproductive organs to clonal growth to sustain and propagate population were important ecological strategies of the species to heavy grazing.

  7. The Moving Image in Education Research: Reassembling the Body in Classroom Video Data

    Science.gov (United States)

    de Freitas, Elizabeth

    2016-01-01

    While audio recordings and observation might have dominated past decades of classroom research, video data is now the dominant form of data in the field. Ubiquitous videography is standard practice today in archiving the body of both the teacher and the student, and vast amounts of classroom and experiment clips are stored in online archives. Yet…

  8. Flipped!: Want to Get Teens Excited about Summer Reading? Just Add Video

    Science.gov (United States)

    Wooten, Jennifer

    2009-01-01

    Fully 57 percent of youth online watch videos, according to a Pew Internet & American Life study. And more and more are creating and sharing clips of their own making. With online engagement such an integral part of their world, Washington state's King County Library System (KCLS) decided to meet kids on their own turf by launching…

  9. Use of 2d-video Disdrometer to Derive Mean Density-size and Ze-SR Relations: Four Snow Cases from the Light Precipitation Validation Experiment

    Science.gov (United States)

    Huang, Gwo-Jong; Bringi, V. N.; Moisseev, Dmitri; Petersen, Walter A.; Bliven, Francis L.; Hudak, David

    2014-01-01

    The application of the 2D-video disdrometer to measure fall speed and snow size distribution and to derive liquid equivalent snow rate, mean density-size and reflectivity-snow rate power law is described. Inversion of the methodology proposed by Böhm provides the pathway to use measured fall speed, area ratio and '3D' size measurement to estimate the mass of each particle. Four snow cases from the Light Precipitation Validation Experiment are analyzed with supporting data from other instruments such as Precipitation Occurrence Sensor System (POSS), Snow Video Imager (SVI), a network of seven snow gauges and three scanning C9 band radars. The radar-based snow accumulations using the 2DVD-derived Ze-SR relation are in good agreement with a network of seven snow gauges and outperform the accumulations derived from a climatological Ze-SR relation used by the Finnish Meteorological Institute (FMI). The normalized bias between radar-derived and gauge accumulation is reduced from 96% when using the fixed FMI relation to 28% when using the Ze-SR relations based on 2DVD data. The normalized standard error is also reduced significantly from 66% to 31%. For two of the days with widely different coefficients of the Ze-SR power law, the reflectivity structure showed significant differences in spatial variability. Liquid water path estimates from radiometric data also showed significant differences between the two cases. Examination of SVI particle images at the measurement site corroborated these differences in terms of unrimed versus rimed snow particles. The findings reported herein support the application of Böhm's methodology for deriving the mean density-size and Ze-SR power laws using data from 2D-video disdrometer.

  10. General Considerations Regarding the Interceptions and Audio-video Registrations Related to the Judicial Practice and Present Legislation

    Directory of Open Access Journals (Sweden)

    Sandra Gradinaru

    2011-05-01

    Full Text Available The present paper tries to analyze the controversy of the admissibility of theinterceptions and audio-video registrations in the phase of the precursory documentscannot be admitted. The fact that interceptions and registrations can be disposed evenbefore starting the criminal prosecution, respectively before starting the criminal processor even before committing an offence is to bring severe prejudices to the right of a fairprocess and the right to a private life in the way in which these are stipulated in theConstitution and in the European Convention of the Human rights.

  11. Akademisk video

    DEFF Research Database (Denmark)

    Frølunde, Lisbeth

    2017-01-01

    Dette kapitel har fokus på metodiske problemstillinger, der opstår i forhold til at bruge (digital) video i forbindelse med forskningskommunikation, ikke mindst online. Video har længe været benyttet i forskningen til dataindsamling og forskningskommunikation. Med digitaliseringen og internettet er...... der dog opstået nye muligheder og udfordringer i forhold til at formidle og distribuere forskningsresultater til forskellige målgrupper via video. Samtidig er klassiske metodologiske problematikker som forskerens positionering i forhold til det undersøgte stadig aktuelle. Både klassiske og nye...... problemstillinger diskuteres i kapitlet, som rammesætter diskussionen ud fra forskellige positioneringsmuligheder: formidler, historiefortæller, eller dialogist. Disse positioner relaterer sig til genrer inden for ’akademisk video’. Afslutningsvis præsenteres en metodisk værktøjskasse med redskaber til planlægning...

  12. The impact of watching educational video clips on analogue patients' physiological arousal and information recall

    NARCIS (Netherlands)

    Bruinessen, I.R. van; Ende, I.T. van den; Visser, L.N.; Dulmen, S. van

    2016-01-01

    OBJECTIVE: Investigating the influence of watching three educational patient-provider interactions on analogue patients' emotional arousal and information recall. METHODS: In 75 analogue patients the emotional arousal was measured with physiological responses (electrodermal activity and heart rate)

  13. The impact of watching educational video clips on analogue patients' physiological arousal and information recall

    NARCIS (Netherlands)

    van Bruinessen, I. R.; van den Ende, I. T. A.; Visser, L. N. C.; van Dulmen, S.

    2016-01-01

    Investigating the influence of watching three educational patient-provider interactions on analogue patients' emotional arousal and information recall. In 75 analogue patients the emotional arousal was measured with physiological responses (electrodermal activity and heart rate) and self-reported

  14. The impact of watching educational video clips on analogue patients' physiological arousal and information recall.

    NARCIS (Netherlands)

    Bruinessen, I.R. van; Ende, I.T.A. van den; Visser, I.N.C.; Dulmen, S. van

    2016-01-01

    Objective: Investigating the influence of watching three educational patient–provider interactions on analogue patients’ emotional arousal and information recall. Methods: In 75 analogue patients the emotional arousal was measured with physiological responses (electrodermal activity and heart rate)

  15. Efficient computation of clipped Voronoi diagram for mesh generation

    KAUST Repository

    Yan, Dongming

    2013-04-01

    The Voronoi diagram is a fundamental geometric structure widely used in various fields, especially in computer graphics and geometry computing. For a set of points in a compact domain (i.e. a bounded and closed 2D region or a 3D volume), some Voronoi cells of their Voronoi diagram are infinite or partially outside of the domain, but in practice only the parts of the cells inside the domain are needed, as when computing the centroidal Voronoi tessellation. Such a Voronoi diagram confined to a compact domain is called a clipped Voronoi diagram. We present an efficient algorithm to compute the clipped Voronoi diagram for a set of sites with respect to a compact 2D region or a 3D volume. We also apply the proposed method to optimal mesh generation based on the centroidal Voronoi tessellation. Crown Copyright © 2011 Published by Elsevier Ltd. All rights reserved.

  16. QPA-CLIPS: A language and representation for process control

    Science.gov (United States)

    Freund, Thomas G.

    1994-01-01

    QPA-CLIPS is an extension of CLIPS oriented towards process control applications. Its constructs define a dependency network of process actions driven by sensor information. The language consists of three basic constructs: TASK, SENSOR, and FILTER. TASK's define the dependency network describing alternative state transitions for a process. SENSOR's and FILTER's define sensor information sources used to activate state transitions within the network. Deftemplate's define these constructs and their run-time environment is an interpreter knowledge base, performing pattern matching on sensor information and so activating TASK's in the dependency network. The pattern matching technique is based on the repeatable occurrence of a sensor data pattern. QPA-CIPS has been successfully tested on a SPARCStation providing supervisory control to an Allen-Bradley PLC 5 controller driving molding equipment.

  17. Esophageal Perforation due to Transesophageal Echocardiogram: New Endoscopic Clip Treatment

    Directory of Open Access Journals (Sweden)

    John Robotis

    2014-07-01

    Full Text Available Esophageal perforation due to transesophageal echocardiogram (TEE during cardiac surgery is rare. A 72-year-old female underwent TEE during an operation for aortic valve replacement. Further, the patient presented hematemesis. Gastroscopy revealed an esophageal bleeding ulcer. Endoscopic therapy was successful. Although a CT scan excluded perforation, the patient became febrile, and a second gastroscopy revealed a big perforation at the site of ulcer. The patient's clinical condition required endoscopic intervention with a new OTSC® clip (Ovesco Endoscopy, Tübingen, Germany. The perforation was successfully sealed. The patient remained on intravenous antibiotics, proton pump inhibitors and parenteral nutrition for few days, followed by enteral feeding. She was discharged fully recovered 3 months later. We clearly demonstrate an effective, less invasive treatment of an esophageal perforation with a new endoscopic clip.

  18. Video Analytics

    DEFF Research Database (Denmark)

    This book collects the papers presented at two workshops during the 23rd International Conference on Pattern Recognition (ICPR): the Third Workshop on Video Analytics for Audience Measurement (VAAM) and the Second International Workshop on Face and Facial Expression Recognition (FFER) from Real...... World Videos. The workshops were run on December 4, 2016, in Cancun in Mexico. The two workshops together received 13 papers. Each paper was then reviewed by at least two expert reviewers in the field. In all, 11 papers were accepted to be presented at the workshops. The topics covered in the papers...

  19. Remission of migraine after clipping of saccular intracranial aneurysms

    DEFF Research Database (Denmark)

    Lebedeva, E R; Busygina, A V; Kolotvinov, V S

    2015-01-01

    , this was reduced by 74.5% (P P > 0.5). The decrease of migraine in SIA patients was significantly higher than in controls: 74.5% vs 12.8% (P ... of TTH was given by 33 patients with SIA during the year preceding rupture and by 44 during 1 year after clipping (P > 0.75). Forty-one control patients had TTH, 27 after 1 year of treatment, a reduction 34.1% (P

  20. Histone H3 tail clipping regulates gene expression

    OpenAIRE

    Santos-Rosa, Helena; Kirmizis, Antonis; Nelson, Christopher; Bartke, Till; Saksouk, Nehme; Cote, Jacques; Kouzarides, Tony

    2008-01-01

    Induction of gene expression in yeast and human cells involves changes in histone modifications associated with promoters. Here we identify a histone H3 endopeptidase activity in S. cerevisiae that may regulate these events. The endopeptidase cleaves H3 after alanine 21, generating a histone lacking the first 21 residues and displays a preference for H3 tails carrying repressive modifications. In vivo, the H3 N-terminus is clipped, specifically within the promoter of genes following the induc...

  1. Closed reduction of zygomatic tripod fractures using a towel clip.

    Science.gov (United States)

    Cinpolat, Anı; Ozkan, Ozlenen; Bektas, Gamze; Ozkan, Omer

    2017-08-01

    The zygomatic bone constitutes the prominence of the cheek. Fractures of the zygomatic bone are the second most treatment of zygomatic bone fractures and can be examined under two headings, open and closed reductions. This paper describes a new technique in the closed reduction of tripod fractures using a towel clip. Seventeen consecutive patients (three females, 14 males) with a mean age of 35.5 years (range = 18-66 years) with zygomatic tripod fracture were treated using the towel clip technique between December 2011 and February 2014. Patients were assessed in the first and 6 months postoperatively, by physical examination and computed tomography. Preoperatively, nine patients had paresthesia in the infraorbital nerve region. Three of these cases regressed postoperatively. Persistent collapse of the zygomatic projection was present in one patient. Non-comminuted zygomatic tripod fractures can be easily treated percutaneously with the towel clip method in the absence of preoperative ocular problems such as diplopia, enophthalmos, or restricted eye movements. The technique is economical, fast, and safe. The possibility of persistent zygoma collapse after reduction should be kept in mind, and preoperatively the team should be warned of the possibility of progression to open reduction during surgery.

  2. Comparative Study of Personality Trait Characteristics and Reactivity in Schizophrenia Using a Film Clip Paradigm.

    Science.gov (United States)

    Dinzeo, Thomas J; Sledjeski, Eve; Durner, Christopher; Docherty, Nancy M

    2015-01-01

    The empirical examination of personality characteristics related to the experience of strong negative emotions and the associated physiological response may help account for idiosyncratic responses to life events in schizophrenia. The current study examines the relationship between levels of neuroticism and arousability and physiological and emotional reactivity during the viewing of film clips with differing emotional valance. Data were collected on emotional and cardiovascular and cortisol reactivity across experimental conditions for a sample of outpatients diagnosed with schizophrenia and a comparison group of nonpsychiatric controls. Levels of both neuroticism and arousability were significantly associated with increased negative emotion and physiological reactivity during the negative film clip task, although different patterns emerged across participant groups. Most notably, trait characteristics were inversely related to heart rate reactivity in patients but not controls. This relationship remained significant even after we controlled for disengagement coping behaviors. Cortisol response was not related to personality characteristics in either participant group. Findings were generally consistent with previous research, providing additional evidence for the role of trait characteristics in the response to events.

  3. The microtubule plus-end-tracking protein CLIP-170 associates with the spermatid manchette and is essential for spermatogenesis.

    NARCIS (Netherlands)

    A.S. Akhmanova (Anna); A.L. Mausset-Bonnefont (Anne-Laure); W.A. van Cappellen (Gert); N. Keijzer (Nanda); C.C. Hoogenraad (Casper); T. Stepanova (Tatiana); K. Drabek (Ksenija); J. van der Wees (Jacqueline); M. Mommaas (Mieke); J. Onderwater (Jos); H. van der Meulen (Hans); M.E. Tanenbaum (Marvin); R.H. Medema (Rene); J.W. Hoogerbrugge (Jos); J.T.M. Vreeburg (Jan); E.J. Uringa; J.A. Grootegoed (Anton); F.G. Grosveld (Frank); N.J. Galjart (Niels)

    2005-01-01

    textabstractCLIP-170 is a microtubule "plus-end-tracking protein" implicated in the control of microtubule dynamics, dynactin localization, and the linking of endosomes to microtubules. To investigate the function of mouse CLIP-170, we generated CLIP-170 knockout and GFP-CLIP-170 knock-in alleles.

  4. The microtubule plus-end-tracking protein CLIP-170 associates with the spermatid manchette and is essential for spermatogenesis

    NARCIS (Netherlands)

    Akhmanova, A.S.; Mausset-Bonnefont, A.-L.; Cappellen, W. van; Keijzer, N.; Hoogenraad, C.C.; Stepanova, T.; Drabek, K.; Wees, J. van der; Mommaas, M.; Onderwater, J.; Meulen, H. van der; Tanenbaum, M.E.; Medema, R.H.; Hoogerbrugge, J.; Vreeburg, J.; Uringa, E.-J.; Grootegoed, J.A.; Grosveld, F.; Galjart, N.

    2005-01-01

    CLIP-170 is a microtubule "plus-end-tracking protein" implicated in the control of microtubule dynamics, dynactin localization, and the linking of endosomes to microtubules. To investigate the function of mouse CLIP-170, we generated CLIP-170 knockout and GFP-CLIP-170 knock-in alleles. Residual

  5. Giving Adolescents a Voice? Using Videos to Represent Reproductive Health Realities of Adolescents in Tanzania

    Directory of Open Access Journals (Sweden)

    Constanze Dorothee Pfeiffer

    2013-09-01

    Full Text Available Visual research forms part of a growing field in participatory research. Lately new discussions among scientists evolved about conceptual considerations and methodological approaches related to the use of visual participatory methods. The following article presents a reflection on a participatory video project with adolescents aged 15 to 19 in Tanzania from the perspective of the adult researcher. On the one hand the project aimed at gaining visual insights into adolescents' realities related to teenage pregnancy. On the other hand, the young filmmakers were empowered to share their experiences and to use the film clips in order to reach policy makers and practitioners. While the use of an adolescent participatory video approach has great potential to represent different realities and to reach policy makers and practitioners in an appealing way, its drawbacks must also be considered. The methodological implications of this highlight the need to reflect about multiple subjectivities and related courses of action of all actors involved on various levels within society. It is argued that symbolic representations have the potential to create knowledge not only for policy and practice but also for science—as long as the research process, personal background, relationships and actions among involved actors, the socio-cultural context and related power dynamics are presented and unfolded in the final outcome of the visual participatory research. URN: http://nbn-resolving.de/urn:nbn:de:0114-fqs1303189

  6. Video Analytics

    DEFF Research Database (Denmark)

    This book collects the papers presented at two workshops during the 23rd International Conference on Pattern Recognition (ICPR): the Third Workshop on Video Analytics for Audience Measurement (VAAM) and the Second International Workshop on Face and Facial Expression Recognition (FFER) from Real W...

  7. Effect of Endophyte infection and clipping treatment on resistance and tolerance of Achnatherum sibiricum

    Directory of Open Access Journals (Sweden)

    Junhua Qin

    2016-12-01

    Full Text Available It is well-documented that endophytes can enhance the resistance of agronomical grasses, such as tall fescue and perennial ryegrass to herbivory. For native grasses, however, the related reports are limited, and the conclusions are variable. Achnatherum sibiricum is a grass native to the Inner Mongolian steppe. This grass is highly infected by endophytes but does not produce detectable endophyte-related alkaloids known under normal conditions. In this study, the contributions of endophytes to the resistance of A. sibiricum to Locusta migratoria were studied. We found that locusts preferred EF (endophyte-free plants to EI (endophyte-infected plants, and the weight of locusts fed on EI plants was significantly lower than those fed on EF plants. Hence, endophyte infection significantly enhanced the resistance of the host to L. migratoria. Endophyte infection significantly decreased the concentration of soluble sugar and amino acids while significantly increasing the concentration of total phenolic content, and these metabolites may contribute to herbivore resistance of the host. The clipping treatment further strengthened the locust resistance advantage of EI over EF plants. After clipping, the weight of the locusts fed on EI plants significantly decreased compared with those fed on unclipped plants, whereas the weight of the locusts fed on EF plants increased significantly. The results suggested that endophyte infection could increase herbivore resistance while decreasing the tolerance of the host grass by mechanisms apart from endophyte-conferred alkaloid defense.

  8. Restoration of clipped seismic waveforms using projection onto convex sets method.

    Science.gov (United States)

    Zhang, Jinhai; Hao, Jinlai; Zhao, Xu; Wang, Shuqin; Zhao, Lianfeng; Wang, Weimin; Yao, Zhenxing

    2016-12-14

    The seismic waveforms would be clipped when the amplitude exceeds the upper-limit dynamic range of seismometer. Clipped waveforms are typically assumed not useful and seldom used in waveform-based research. Here, we assume the clipped components of the waveform share the same frequency content with the un-clipped components. We leverage this similarity to convert clipped waveforms to true waveforms by iteratively reconstructing the frequency spectrum using the projection onto convex sets method. Using artificially clipped data we find that statistically the restoration error is ~1% and ~5% when clipped at 70% and 40% peak amplitude, respectively. We verify our method using real data recorded at co-located seismometers that have different gain controls, one set to record large amplitudes on scale and the other set to record low amplitudes on scale. Using our restoration method we recover 87 out of 93 clipped broadband records from the 2013 Mw6.6 Lushan earthquake. Estimating that we recover 20 clipped waveforms for each M5.0+ earthquake, so for the ~1,500 M5.0+ events that occur each year we could restore ~30,000 clipped waveforms each year, which would greatly enhance useable waveform data archives. These restored waveform data would also improve the azimuthal station coverage and spatial footprint.

  9. Receiver-based recovery of clipped ofdm signals for papr reduction: A bayesian approach

    KAUST Repository

    Ali, Anum

    2014-01-01

    Clipping is one of the simplest peak-to-average power ratio reduction schemes for orthogonal frequency division multiplexing (OFDM). Deliberately clipping the transmission signal degrades system performance, and clipping mitigation is required at the receiver for information restoration. In this paper, we acknowledge the sparse nature of the clipping signal and propose a low-complexity Bayesian clipping estimation scheme. The proposed scheme utilizes a priori information about the sparsity rate and noise variance for enhanced recovery. At the same time, the proposed scheme is robust against inaccurate estimates of the clipping signal statistics. The undistorted phase property of the clipped signal, as well as the clipping likelihood, is utilized for enhanced reconstruction. Furthermore, motivated by the nature of modern OFDM-based communication systems, we extend our clipping reconstruction approach to multiple antenna receivers and multi-user OFDM.We also address the problem of channel estimation from pilots contaminated by the clipping distortion. Numerical findings are presented that depict favorable results for the proposed scheme compared to the established sparse reconstruction schemes.

  10. Radiologic advantages of potential use of polymer plastic clips in neurosurgery.

    Science.gov (United States)

    Delibegović, Samir

    2014-01-01

    Plastic clips are made of diamagnetic material and may result in fewer computed tomography (CT) and magnetic resonance artifacts than titanium clips. Considering that polymer plastic clips are increasingly being used in endoscopic surgery, our study examined the CT and magnetic resonance imaging (MRI) characteristics of plastic clips after application in the neurocranium and compared them with titanium clips. Craniotomy was performed on the heads of domestic pigs (Sus scrofa domestica), and, at an angle of 90°, a permanent Yasargil FT 746 T clip was placed in a frontobasal, interhemispheric position. A plastic polymer medium-large Hem-o-lok clip was placed in the same position into another animal. After this procedure, CT of the brain was performed using Siemens 16 slice, followed by an MRI scan, on Philips MRI, 1.5 Tesla. The CT and magnetic resonance scans were analyzed. On axial CT sections through the site of placement of titanium clips, dotted hyperdensity with a high value of Hounsfield units (HUI) of about 2800-3000 could be clearly seen. At the site where the plastic polymer clips were placed, discrete hyperdensity was observed, measuring 130-140 HUI. MRI of the brain in which titanium clips were used revealed a hypointensive T1W signal in the interhemispheric fissure, with a hypointensive T2W signal. On the other hand, upon examination of the MRI of the brain in which plastic clips were used, the T1W signal described above did not occur, and there was also no T2W signal, and no artifacts observed. The plastic clips are made of a diamagnetic, nonconductive material that results in fewer CT and MRI artifacts than titanium clips. Copyright © 2014 Elsevier Inc. All rights reserved.

  11. Mechanical evaluation of cerebral aneurysm clip scissoring phenomenon: comparison of titanium alloy and cobalt alloy.

    Science.gov (United States)

    Tsutsumi, Keiji; Horiuchi, Tetsuyoshi; Hongo, Kazuhiro

    2017-09-13

    Cerebral aneurysm clip blades crossing during surgery is well known as scissoring. Scissoring might cause rupture of the aneurysm due to laceration of its neck. Although aneurysm clip scissoring is well known, there have been few reports describing the details of this phenomenon. Quasi-scissoring phenomenon was introduced mechanically by rotating the clip head attached to a silicone sheet. The anti-scissoring torque during the twist of the blades was measured by changing the depth and the opening width. The closing force was also evaluated. Sugita straight clips of titanium alloy and cobalt alloy were used in the present study. In both materials, the anti-scissoring torque and the closing force were bigger 3 mm in thickness than 1 mm. The initial closing forces and the anti-scissoring torque values at each rotation angles were increased in proportion to depth. Closing forces of titanium alloy clip were slightly higher than those of cobalt alloy clip. By contrast, anti-scissoring torque values of cobalt alloy clip were bigger than those of titanium alloy clip in all conditions. In condition of 3 mm in thickness and 3 mm in depth, anti-scissoring torque vales of titanium alloy clip decreased suddenly when an angle surpassed 70 degrees. Aneurysm clip scissoring phenomenon tends to occur when clipping the aneurysm neck only with blade tips. Based on the results of this experiment, titanium alloy clip is more prone to scissoring than cobalt alloy clip under the condition that the wide blade separation distance and the shallow blade length.

  12. Mobile Video in Everyday Social Interactions

    Science.gov (United States)

    Reponen, Erika; Lehikoinen, Jaakko; Impiö, Jussi

    Video recording has become a spontaneous everyday activity for many people, thanks to the video capabilities of modern mobile phones. Internet connectivity of mobile phones enables fluent sharing of captured material even real-time, which makes video an up-and-coming everyday interaction medium. In this article we discuss the effect of the video camera in the social environment, everyday life situations, mainly based on a study where four groups of people used digital video cameras in their normal settings. We also reflect on another study of ours, relating to real-time mobile video communication and discuss future views. The aim of our research is to understand the possibilities in the domain of mobile video. Live and delayed sharing seem to have their special characteristics, live video being used as a virtual window between places whereas delayed video usage has more scope for good-quality content. While this novel way of interacting via mobile video enables new social patterns, it also raises new concerns for privacy and trust between participating persons in all roles, largely due to the widely spreading possibilities of videos. Video in a social situation affects cameramen (who record), targets (who are recorded), passers-by (who are unintentionally in the situation), and the audience (who follow the videos or recording situations) but also the other way around, the participants affect the video by their varying and evolving personal and communicational motivations for recording.

  13. Landing-related ankle injuries do not occur in plantarflexion as once thought: a systematic video analysis of ankle injuries in world-class volleyball.

    Science.gov (United States)

    Skazalski, Christopher; Kruczynski, Jacek; Bahr, Martin Aase; Bere, Tone; Whiteley, Rod; Bahr, Roald

    2017-06-27

    Ankle injuries are prevalent in elite volleyball and suggested to result from player contact at the net. Traditionally, ankle sprains are thought to happen in a plantarflexed position, but case studies suggest plantarflexion may not be involved. Describe the injury situations and mechanisms of ankle injuries in world-class volleyball based on systematic video analysis of injuries reported through the Fédération Internationale de Volleyball (FIVB) Injury Surveillance System. Videos of 24 injuries from major FIVB tournaments were included for analysis (14 men, 10 women). Five analysts reviewed the videos to determine specific situations and mechanisms leading to injuries. The majority of injuries occurred during two volleyball situations, blocking (n=15) and attacking (n=6). Injuries to blockers were the result of landing on an opponent (n=11) or teammate (n=4). Attacking injuries most frequently occurred when a back-row player landed on a front-row teammate (n=4 of 6). When landing on an opponent under the net, the attacker landed into the opponent's court in 11 of 12 situations but without violating the centre line rule. Injuries mostly resulted from rapid inversion without any substantial plantarflexion. The majority of injuries occur while blocking, often landing on an opponent. The attacker is overwhelmingly to blame for injuries at the net secondary to crossing the centre line. Injuries while attacking often result from a back-row player landing on a front-row teammate. Landing-related injuries mostly result from rapid inversion with the absence of plantarflexion. © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

  14. "Life in the Universe" Final Event Video Now Available

    Science.gov (United States)

    2002-02-01

    ESO Video Clip 01/02 is issued on the web in conjunction with the release of a 20-min documentary video from the Final Event of the "Life in the Universe" programme. This unique event took place in November 2001 at CERN in Geneva, as part of the 2001 European Science and Technology Week, an initiative by the European Commission to raise the public awareness of science in Europe. The "Life in the Universe" programme comprised competitions in 23 European countries to identify the best projects from school students. The projects could be scientific or a piece of art, a theatrical performance, poetry or even a musical performance. The only restriction was that the final work must be based on scientific evidence. Winning teams from each country were invited to a "Final Event" at CERN on 8-11 November, 2001 to present their projects to a panel of International Experts during a special three-day event devoted to understanding the possibility of other life forms existing in our Universe. This Final Event also included a spectacular 90-min webcast from CERN with the highlights of the programme. The video describes the Final Event and the enthusiastic atmosphere when more than 200 young students and teachers from all over Europe met with some of the world's leading scientific experts of the field. The present video clip, with excerpts from the film, is available in four versions: two MPEG files and two streamer-versions of different sizes; the latter require RealPlayer software. Video Clip 01/02 may be freely reproduced. The 20-min video is available on request from ESO, for viewing in VHS and, for broadcasters, in Betacam-SP format. Please contact the ESO EPR Department for more details. Life in the Universe was jointly organised by the European Organisation for Nuclear Research (CERN) , the European Space Agency (ESA) and the European Southern Observatory (ESO) , in co-operation with the European Association for Astronomy Education (EAAE). Other research organisations were

  15. Do Video Games Promote Positive Youth Development?

    Science.gov (United States)

    Adachi, Paul J. C.; Willoughby, Teena

    2013-01-01

    We argue that video game play may meet Larson's (2000) criteria for fostering initiative in youth, and thus, may be related to positive outcomes such as flow, cooperation, problem solving, and reduced in-group bias. However, developmental and social psychologists examining adolescent video game use have focused heavily on how video games are…

  16. Video Analytics

    DEFF Research Database (Denmark)

    This book collects the papers presented at two workshops during the 23rd International Conference on Pattern Recognition (ICPR): the Third Workshop on Video Analytics for Audience Measurement (VAAM) and the Second International Workshop on Face and Facial Expression Recognition (FFER) from Real...... include: re-identification, consumer behavior analysis, utilizing pupillary response for task difficulty measurement, logo detection, saliency prediction, classification of facial expressions, face recognition, face verification, age estimation, super-resolution, pose estimation, and pain recognition...

  17. Video Analytics

    DEFF Research Database (Denmark)

    include: re-identification, consumer behavior analysis, utilizing pupillary response for task difficulty measurement, logo detection, saliency prediction, classification of facial expressions, face recognition, face verification, age estimation, super-resolution, pose estimation, and pain recognition......This book collects the papers presented at two workshops during the 23rd International Conference on Pattern Recognition (ICPR): the Third Workshop on Video Analytics for Audience Measurement (VAAM) and the Second International Workshop on Face and Facial Expression Recognition (FFER) from Real...

  18. Fear conditioning with film clips: a complex associative learning paradigm.

    Science.gov (United States)

    Kunze, Anna E; Arntz, Arnoud; Kindt, Merel

    2015-06-01

    We argue that the stimuli used in traditional fear conditioning paradigms are too simple to model the learning and unlearning of complex fear memories. We therefore developed and tested an adapted fear conditioning paradigm, specifically designed for the study of complex associative memories. Second, we explored whether manipulating the meaning and complexity of the CS-UCS association strengthened the learned fear association. In a two-day differential fear conditioning study, participants were randomly assigned to two experimental conditions. All participants were subjected to the same CSs (i.e., pictures) and UCS (i.e., 3 s film clip) during fear conditioning. However, in one of the conditions (negative-relevant context), the reinforced CS and UCS were meaningfully connected to each other by a 12 min aversive film clip presented prior to fear acquisition. Participants in the other condition (neutral context) were not able to make such meaningful connection between these stimuli, as they viewed a neutral film clip. Fear learning and unlearning were observed on fear-potentiated startle data and distress ratings within the adapted paradigm. Moreover, several group differences on these measures indicated increased UCS valence and enhanced associative memory strength in the negative-relevant context condition compared to the neutral context condition. Due to technical equipment failure, skin conductance data could not be interpreted. The fear conditioning paradigm as presented in the negative-relevant context condition holds considerable promise for the study of complex associative fear memories and therapeutic interventions for such memories. Copyright © 2014 Elsevier Ltd. All rights reserved.

  19. Histological Analysis of Aneurysm Wall Occluded with Clip Blades. A Case Report.

    Science.gov (United States)

    Hasegawa, Takatoshi; Horiuchi, Tetsuyoshi; Hongo, Kazuhiro

    2015-08-01

    Reports on histological changes of vascular wall following clipping surgery have been scarce. The authors experienced a case of unruptured cerebral aneurysm in which the tissue occluded by clip blades for 6 years was obtained and histologically examined. The aneurysmal wall following clipping showed granulomatous inflammation with necrosis, and occluded aneurysmal walls were found with collagenous fibrous tissue. Mild infiltration by lymphocytes and fibrous thickened intima occurred. Copyright © 2015 Elsevier Inc. All rights reserved.

  20. Sympathetic block by metal clips may be a reversible operation

    DEFF Research Database (Denmark)

    Thomsen, Lars L; Mikkelsen, Rasmus T; Derejko, Miroslawa

    2014-01-01

    OBJECTIVES: Thoracoscopic sympathectomy is now used routinely to treat patients with disabling primary hyperhidrosis or facial blushing. Published results are excellent, but side effects, such as compensatory sweating, are also very frequent. The surgical techniques used and the levels of targeting...... suggests in theory that application of metal clips to the sympathetic chain is a reversible procedure if only the observation period is prolonged. Further studies with longer periods between application and removal as well as investigations of nerve conduction should be encouraged, because we do not know...

  1. A Comparison of Comprehension Processes in Sign Language Interpreter Videos with or without Captions.

    Science.gov (United States)

    Debevc, Matjaž; Milošević, Danijela; Kožuh, Ines

    2015-01-01

    One important theme in captioning is whether the implementation of captions in individual sign language interpreter videos can positively affect viewers' comprehension when compared with sign language interpreter videos without captions. In our study, an experiment was conducted using four video clips with information about everyday events. Fifty-one deaf and hard of hearing sign language users alternately watched the sign language interpreter videos with, and without, captions. Afterwards, they answered ten questions. The results showed that the presence of captions positively affected their rates of comprehension, which increased by 24% among deaf viewers and 42% among hard of hearing viewers. The most obvious differences in comprehension between watching sign language interpreter videos with and without captions were found for the subjects of hiking and culture, where comprehension was higher when captions were used. The results led to suggestions for the consistent use of captions in sign language interpreter videos in various media.

  2. A Snapshot of the Depiction of Electronic Cigarettes in YouTube Videos.

    Science.gov (United States)

    Romito, Laura M; Hurwich, Risa A; Eckert, George J

    2015-11-01

    To assess the depiction of e-cigarettes in YouTube videos. The sample (N = 63) was selected from the top 20 search results for "electronic cigarette," and "e-cig" with each term searched twice by the filters "Relevance" and "View Count." Data collected included title, length, number of views, "likes," "dislikes," comments, and inferred demographics of individuals appearing in the videos. Seventy-six percent of videos included at least one man, 62% included a Caucasian, and 50% included at least one young individual. Video content connotation was coded as positive (76%), neutral (18%), or negative (6%). Videos were categorized as advertisement (33%), instructional (17%), news clip (19%), product review (13%), entertainment (11%), public health (3%), and personal testimonial (3%). Most e-cigarette YouTube videos are non-traditional or covert advertisements featuring young Caucasian men.

  3. Quantifying turfgrass-available N from returned clippings using anion exchange membranes

    OpenAIRE

    Kopp, Kelly L.; Guillard, Karl

    2009-01-01

    Returning clippings can provide N to turf, but the amount of plant-available N derived from clippings is not easy to quantify. An accurate estimate of N released by clippings would be useful in guiding turf N fertilizer recommendations. The objective of this study was to determine if anion-exchange membranes (AEMs) could be used to quantify plant-available soil N when clippings are returned. A greenhouse and two field experiments were set out in randomized block designs using a factorial arra...

  4. To clip or not to clip the breast tumor bed? A retrospective look at the geographic miss index and normal tissue index of 110 patients with breast cancer.

    Science.gov (United States)

    Ebner, Florian; de Gregorio, Nikolaus; Rempen, Andreas; Mohr, Peter; de Gregorio, Amelie; Wöckel, Achim; Janni, Wolfgang; Witucki, Gerlo

    2017-06-01

    Planning of breast radiation for patients with breast conserving surgery often relies on clinical markers such as scars. Lately, surgical clips have been used to identify the tumor location. The purpose of this study was to evaluate the geographic miss index (GMI) and the normal tissue index (NTI) for the electron boost in breast cancer treatment plans with and without surgical clips. A retrospective descriptive study of 110 consecutive post-surgical patients who underwent breast-conserving treatment in early breast cancer, in which the clinical treatment field with the radiologic (clipped) field were compared and GMI/NTI for the electron boost were calculated respectively. The average clinical field was 100 mm (range, 100-120 mm) and the clipped field was 90 mm (range, 80-100 mm). The average GMI was 11.3% (range, 0-44%), and the average NTI was 27.5% (range, 0-54%). The GMI and NTI were reduced through the use of intra-surgically placed clips. The impact of local tumor control on the survival of patients with breast cancer is also influenced by the precision of radiotherapy. Additionally, patients demand an appealing cosmetic result. This makes "clinical" markers such as scars unreliable for radiotherapy planning. A simple way of identifying the tissue at risk is by intra-surgical clipping of the tumor bed. Our results show that the use of surgical clips can reduce the diameter of the radiotherapy field and increase the accuracy of radiotherapy planning. With the placement of surgical clips, more tissue at risk is included in the radiotherapy field. Less normal tissue receives radiotherapy with the use of surgical clips.

  5. Rheumatoid Arthritis Educational Video Series

    Medline Plus

    Full Text Available ... will allow you to take a more active role in your care. The information in these videos ... Arthritis and Health-related Quality of Life Rehabilitation Management for Rheumatoid Arthritis Patients Rehabilitation of Older Adult ...

  6. Intelligent Model for Video Survillance Security System

    Directory of Open Access Journals (Sweden)

    J. Vidhya

    2013-12-01

    Full Text Available Video surveillance system senses and trails out all the threatening issues in the real time environment. It prevents from security threats with the help of visual devices which gather the information related to videos like CCTV’S and IP (Internet Protocol cameras. Video surveillance system has become a key for addressing problems in the public security. They are mostly deployed on the IP based network. So, all the possible security threats exist in the IP based application might also be the threats available for the reliable application which is available for video surveillance. In result, it may increase cybercrime, illegal video access, mishandling videos and so on. Hence, in this paper an intelligent model is used to propose security for video surveillance system which ensures safety and it provides secured access on video.

  7. Effectiveness of an Ergonomics Training Program on Decreasing Work-Related Musculoskeletal Disorders Risk among Video Display Terminals Users

    Directory of Open Access Journals (Sweden)

    Yahya Rasoulzadeh

    2012-07-01

    Full Text Available loskeletaldisorders (WMSDs among the video display terminals (VDTs users, Prevention ofthese disorders among this population is a challenge for many workplaces today. ErgonomicallyImproving of VDT workstations may be an effective and applicable way to decrease the risk ofWMSDs. This study evaluated the effect of an ergonomics-training program on the risk ofWMSDs among VDT users.Methods: This study was conducted among a large group of computer users in SAPCO industrialcompany, Tehran, Iran (84 persons with 29.85±11.2 years of age and with 6.98±2.54 years ofexperience. An active ergonomics-training program was designed and implemented during 14days to empower the VDT users and involve them in improving their workstations. The directobservational RULA (Rapid Upper Limb Assessment method was used in pre and postinterventionstages to evaluate the risk of WMSDs among participants.Results: The RULA final scores showed that 18.8 % of VDT users were at action level 2, 63.5%at action level 3 and 17.6% at action level 4 before any intervention. In addition, 8.2% of userswere at action level 1, 44.7% at action level 2, 42.4% at action level 3 and 4.7% at action level 4 atthe post-intervention stage. The results of Wilcoxon statistical test indicated that RULA scoresere decreased significantly after interventions (P < 0.05 and consequently, decreased risk ofWMSDs.Conclusion: Active ergonomics training programs can be used effectively to improve the VDTworkstations and decrease the risk of musculoskeletal disorders among VDT users.

  8. Video Capture and Editing as a Tool for the Storage, Distribution, and Illustration of Morphological Characters of Nematodes

    OpenAIRE

    De Ley, Paul; Bert, Wim

    2002-01-01

    Morphological identification and detailed observation of nematodes usually requires permanent slides, but these are never truly permanent and often prevent the same specimens to be used for other purposes. To efficiently record the morphology of nematodes in a format that allows easy archiving, editing, and distribution, we have assembled two micrographic video capture and editing (VCE) configurations. These assemblies allow production of short video clips that mimic multifocal observation of...

  9. Over the hill at 24: persistent age-related cognitive-motor decline in reaction times in an ecologically valid video game task begins in early adulthood.

    Directory of Open Access Journals (Sweden)

    Joseph J Thompson

    Full Text Available Typically studies of the effects of aging on cognitive-motor performance emphasize changes in elderly populations. Although some research is directly concerned with when age-related decline actually begins, studies are often based on relatively simple reaction time tasks, making it impossible to gauge the impact of experience in compensating for this decline in a real world task. The present study investigates age-related changes in cognitive motor performance through adolescence and adulthood in a complex real world task, the real-time strategy video game StarCraft 2. In this paper we analyze the influence of age on performance using a dataset of 3,305 players, aged 16-44, collected by Thompson, Blair, Chen & Henrey [1]. Using a piecewise regression analysis, we find that age-related slowing of within-game, self-initiated response times begins at 24 years of age. We find no evidence for the common belief expertise should attenuate domain-specific cognitive decline. Domain-specific response time declines appear to persist regardless of skill level. A second analysis of dual-task performance finds no evidence of a corresponding age-related decline. Finally, an exploratory analyses of other age-related differences suggests that older participants may have been compensating for a loss in response speed through the use of game mechanics that reduce cognitive load.

  10. Over the hill at 24: persistent age-related cognitive-motor decline in reaction times in an ecologically valid video game task begins in early adulthood.

    Science.gov (United States)

    Thompson, Joseph J; Blair, Mark R; Henrey, Andrew J

    2014-01-01

    Typically studies of the effects of aging on cognitive-motor performance emphasize changes in elderly populations. Although some research is directly concerned with when age-related decline actually begins, studies are often based on relatively simple reaction time tasks, making it impossible to gauge the impact of experience in compensating for this decline in a real world task. The present study investigates age-related changes in cognitive motor performance through adolescence and adulthood in a complex real world task, the real-time strategy video game StarCraft 2. In this paper we analyze the influence of age on performance using a dataset of 3,305 players, aged 16-44, collected by Thompson, Blair, Chen & Henrey [1]. Using a piecewise regression analysis, we find that age-related slowing of within-game, self-initiated response times begins at 24 years of age. We find no evidence for the common belief expertise should attenuate domain-specific cognitive decline. Domain-specific response time declines appear to persist regardless of skill level. A second analysis of dual-task performance finds no evidence of a corresponding age-related decline. Finally, an exploratory analyses of other age-related differences suggests that older participants may have been compensating for a loss in response speed through the use of game mechanics that reduce cognitive load.

  11. Over the Hill at 24: Persistent Age-Related Cognitive-Motor Decline in Reaction Times in an Ecologically Valid Video Game Task Begins in Early Adulthood

    Science.gov (United States)

    Thompson, Joseph J.; Blair, Mark R.; Henrey, Andrew J.

    2014-01-01

    Typically studies of the effects of aging on cognitive-motor performance emphasize changes in elderly populations. Although some research is directly concerned with when age-related decline actually begins, studies are often based on relatively simple reaction time tasks, making it impossible to gauge the impact of experience in compensating for this decline in a real world task. The present study investigates age-related changes in cognitive motor performance through adolescence and adulthood in a complex real world task, the real-time strategy video game StarCraft 2. In this paper we analyze the influence of age on performance using a dataset of 3,305 players, aged 16-44, collected by Thompson, Blair, Chen & Henrey [1]. Using a piecewise regression analysis, we find that age-related slowing of within-game, self-initiated response times begins at 24 years of age. We find no evidence for the common belief expertise should attenuate domain-specific cognitive decline. Domain-specific response time declines appear to persist regardless of skill level. A second analysis of dual-task performance finds no evidence of a corresponding age-related decline. Finally, an exploratory analyses of other age-related differences suggests that older participants may have been compensating for a loss in response speed through the use of game mechanics that reduce cognitive load. PMID:24718593

  12. An approach for line clipping against a convex polyhedron

    Directory of Open Access Journals (Sweden)

    K. R. Wijeweera

    2016-11-01

    Full Text Available Line clipping operation is a bottleneck in most of computer graphics applications. There are situations when millions of line segments need to be clipped against convex polyhedrons with millions of facets. An algorithm to clip line segments against a convex polyhedron is proposed in this work. The salient feature of the proposed algorithm is that it minimizes the number of computations by ignoring unnecessary intersection calculations. The other advantage of the proposed algorithm is that it needs minimum details about the convex polyhedron; the equations of the facets and the centroid. Therefore, it improves the efficiency of the algorithm. The line segment may have zero length (a point or positive length. When line segment is just a point which is outside with respect to at least one facet, it should be rejected as the line segment is outside the convex polyhedron. When the line segment is parallel to a facet and one of its end points is outside, that line segment is also completely outside and it should also be rejected. Unless the line segment belongs to none of the above two cases, it should be pruned against each facet in a certain order. In this case, the intersection points with only some of the facets need to be computed and some other intersection calculations can be ignored. If the line segment is completely outside then it becomes a single point. That means the two end points coincide. But due to the precision error they do not exactly coincide. Therefore, approximate equality should be tested. By using this property, completely outside line segments can be identified. Having two end points outside does not necessarily keep the line segment completely outside. The widely used Cyrus Beck algorithm computes all the intersection points with each facet of the polyhedron while the proposed algorithm successfully avoids some of the intersection point calculations. In the best case; it is capable of avoiding all the unnecessary intersection

  13. Automated UAV-based mapping for airborne reconnaissance and video exploitation

    Science.gov (United States)

    Se, Stephen; Firoozfam, Pezhman; Goldstein, Norman; Wu, Linda; Dutkiewicz, Melanie; Pace, Paul; Naud, J. L. Pierre

    2009-05-01

    Airborne surveillance and reconnaissance are essential for successful military missions. Such capabilities are critical for force protection, situational awareness, mission planning, damage assessment and others. UAVs gather huge amount of video data but it is extremely labour-intensive for operators to analyse hours and hours of received data. At MDA, we have developed a suite of tools towards automated video exploitation including calibration, visualization, change detection and 3D reconstruction. The on-going work is to improve the robustness of these tools and automate the process as much as possible. Our calibration tool extracts and matches tie-points in the video frames incrementally to recover the camera calibration and poses, which are then refined by bundle adjustment. Our visualization tool stabilizes the video, expands its field-of-view and creates a geo-referenced mosaic from the video frames. It is important to identify anomalies in a scene, which may include detecting any improvised explosive devices (IED). However, it is tedious and difficult to compare video clips to look for differences manually. Our change detection tool allows the user to load two video clips taken from two passes at different times and flags any changes between them. 3D models are useful for situational awareness, as it is easier to understand the scene by visualizing it in 3D. Our 3D reconstruction tool creates calibrated photo-realistic 3D models from video clips taken from different viewpoints, using both semi-automated and automated approaches. The resulting 3D models also allow distance measurements and line-of- sight analysis.

  14. L'uso del doppiaggio e del sottotitolaggio nell'insegnamento della L2: Il caso della piattaforma ClipFlair

    Directory of Open Access Journals (Sweden)

    Lupe Romero

    2016-01-01

    Full Text Available Abstract – The purpose of this paper is to present the Clipflair project, a web platform for foreign language learning (FLL through revoicing and captioning of clips. Using audiovisual material in the language classroom is a common resource for teachers since it introduces variety, provides exposure to nonverbal cultural elements and, most importantly, presents linguistic and cultural aspects of communication in their context. However, teachers using this resource face the difficulty of finding active tasks that will engage learners and discourage passive viewing. ClipFlair proposes working with AV material productively while also motivating learners by getting them to revoice or caption a clip. Revoicing is a term used to refer to (rerecording voice onto a clip, as in dubbing, free commentary, audio description and karaoke singing. The term captioning refers to adding written text to a clip, such as standard subtitles, annotations and intertitles. Clips can be short video or audio files, including documentaries, film scenes, news pieces, animations and songs. ClipFlair develops materials that enable foreign language learners to practice all four standard CEFR skills: writing, speaking, listening and reading. Within the project’s scope, more than 350 ready-made activities, which involve captioning and/or revoicing of clips, has been created. These activities has been created for more than 16 languages including English, Spanish and Italian, but focus is placed on less widely taught languages, namely Estonian, Greek, Romanian and Polish, as well as minority languages, i.e. Basque, Catalan and Irish. Non-European languages, namely Arabic, Chinese, Japanese, Russian and Ukrainian are also included. The platform has three different areas: The Gallery offers the materials and the activities; the Studio area, offers a captioning and revoicing tools, in order to create or practice and learn languages by using the activities; the Social Network area

  15. Fast Appearance Modeling for Automatic Primary Video Object Segmentation.

    Science.gov (United States)

    Yang, Jiong; Price, Brian; Shen, Xiaohui; Lin, Zhe; Yuan, Junsong

    2016-02-01

    Automatic segmentation of the primary object in a video clip is a challenging problem as there is no prior knowledge of the primary object. Most existing techniques thus adapt an iterative approach for foreground and background appearance modeling, i.e., fix the appearance model while optimizing the segmentation and fix the segmentation while optimizing the appearance model. However, these approaches may rely on good initialization and can be easily trapped in local optimal. In addition, they are usually time consuming for analyzing videos. To address these limitations, we propose a novel and efficient appearance modeling technique for automatic primary video object segmentation in the Markov random field (MRF) framework. It embeds the appearance constraint as auxiliary nodes and edges in the MRF structure, and can optimize both the segmentation and appearance model parameters simultaneously in one graph cut. The extensive experimental evaluations validate the superiority of the proposed approach over the state-of-the-art methods, in both efficiency and effectiveness.

  16. Characteristics of "Music Education" Videos Posted on Youtube

    Science.gov (United States)

    Whitaker, Jennifer A.; Orman, Evelyn K.; Yarbrough, Cornelia

    2014-01-01

    This content analysis sought to determine information related to users uploading, general content, and specific characteristics of music education videos on YouTube. A total of 1,761 videos from a keyword search of "music education" were viewed and categorized. Results for relevant videos indicated users posted videos under 698 different…

  17. Effectiveness of an ergonomic intervention on work-related posture and low back pain in video display terminal operators: a 3 year cross-over trial.

    Science.gov (United States)

    Pillastrini, Paolo; Mugnai, Raffaele; Bertozzi, Lucia; Costi, Stefania; Curti, Stefania; Guccione, Andrew; Mattioli, Stefano; Violante, Francesco S

    2010-05-01

    This study investigated the effectiveness of a workstation ergonomic intervention for work-related posture and low back pain (LBP) in Video Display Terminal (VDT) workers. 100 VDT workers were selected to receive the ergonomic intervention, whereas 100 were assigned to a control group. The two groups were then crossed-over after 30 months from baseline. Follow-ups were repeated at 5, 12, and 30 months from baseline and then at 6 months following crossover. Work-related posture and LBP point-prevalence using the Rapid Entire Body Assessment method and a Pain Drawing, respectively. The ergonomic intervention at the workstation improved work-related posture and was effective in reducing LBP point-prevalence both in the first study period and after crossover, and these effects persisted for at least 30 months. In conclusion, our findings contribute to the evidence that individualized ergonomic interventions may be able to improve work-related posture and reduce LBP for VDT workers. Copyright (c) 2009 Elsevier Ltd. All rights reserved.

  18. Cortical Response Similarities Predict which Audiovisual Clips Individuals Viewed, but Are Unrelated to Clip Preference

    National Research Council Canada - National Science Library

    Bridwell, David A; Roth, Cullen; Gupta, Cota Navin; Calhoun, Vince D

    2015-01-01

    .... These inter-subject correlation's (ISC's) emerge from similarities in individual's cortical response to the shared audiovisual inputs, which may be related to their emergent cognitive and perceptual experience...

  19. Using Short Movie and Television Clips in the Economics Principles Class

    Science.gov (United States)

    Sexton, Robert L.

    2006-01-01

    The author describes a teaching method that uses powerful contemporary media, movie and television clips, to demonstrate the enormous breadth and depth of economic concepts. Many different movie and television clips can be used to show the power of economic analysis. The author describes the scenes and the economic concepts within those scenes for…

  20. Real-world experience of MitraClip for treatment of severe mitral regurgitation

    DEFF Research Database (Denmark)

    Chan, Pak Hei; She, Hoi Lam; Alegria-Barrero, Eduardo

    2012-01-01

     Percutaneous edge-to-edge mitral valve repair with the MitraClip(®) was shown to be a safe and feasible alternative compared to conventional surgical mitral valve repair. Herein is reported our experience on MitraClip(®) for high-risk surgical candidates with severe mitral regurgitation (MR)....

  1. Using Film Clips to Teach Teen Pregnancy Prevention: "The Gloucester 18" at a Teen Summit

    Science.gov (United States)

    Herrman, Judith W.; Moore, Christopher C.; Anthony, Becky

    2012-01-01

    Teaching pregnancy prevention to large groups offers many challenges. This article describes the use of film clips, with guided discussion, to teach pregnancy prevention. In order to analyze the costs associated with teen pregnancy, a film clip discussion session based with the film "The Gloucester 18" was the keynote of a youth summit. The lesson…

  2. [Clip Sheets from BOCES. Opportunities. Health. Careers. = Oportunidades. Salud. Una Camera En...

    Science.gov (United States)

    State Univ. of New York, Geneseo. Coll. at Geneseo. Migrant Center.

    This collection of 83 clip sheets, or classroom handouts, was created to help U.S. migrants learn more about health, careers, and general "opportunities" including education programs. They are written in both English and Spanish and are presented in an easily understandable format. Health clip-sheet topics include the following: Abuse; AIDS;…

  3. Endoluminal compression clip : full-thickness resection of the mesenteric bowel wall in a porcine model

    NARCIS (Netherlands)

    Kopelman, Yael; Siersema, Peter D.; Nir, Yael; Szold, Amir; Bapaye, Amol; Segol, Ori; Willenz, Ehud P.; Lelcuk, Shlomo; Geller, Alexander; Kopelman, Doron

    2009-01-01

    Background: Performing a full-thickness intestinal wall resection Of a sessile polyp located on the mesenteric side with a compression clip may lead to compression of mesenteric vessels. The application of such a clip may therefore cause a compromised blood supply in the particular bowel segment,

  4. Gender Stereotyped Computer Clip-Art Images as an Implicit Influence in Instructional Message Design.

    Science.gov (United States)

    Binns, Jane C.; Branch, Robert C.

    The purpose of this paper is to sensitize instructional message designers to the stereotypical signals which may be inherent in computer clip-art selections. A rationale is presented for the power of message design, and the differences between gender equality and gender equity are discussed. Several computer clip-art libraries were analyzed, and…

  5. Antihypertensive therapy upregulates renin and (pro) renin receptor in the clipped kidney of Goldblatt hypertensive rats

    NARCIS (Netherlands)

    Krebs, C.; Hamming, I.; Sadaghiani, S.; Steinmetz, O. M.; Meyer-Schwesinger, C.; Fehr, S.; Stahl, R. A. K.; Garrelds, I. M.; Danser, A. H. J.; van Goor, H.; Contrepas, A.; Nguyen, G.; Wenzel, U.

    Recently, a (pro) renin receptor has been identified which mediates profibrotic effects independent of angiotensin II. Because antihypertensive therapy induces renal injury in the clipped kidney of two kidney-1-clip hypertensive rats, we examined the regulation of renin and the (pro) renin receptor

  6. Validation of a pediatric vocal fold nodule rating scale based on digital video images.

    Science.gov (United States)

    Nuss, Roger C; Ward, Jessica; Recko, Thomas; Huang, Lin; Woodnorth, Geralyn Harvey

    2012-01-01

    We sought to create a validated scale of vocal fold nodules in children, based on digital video clips obtained during diagnostic fiberoptic laryngoscopy. We developed a 4-point grading scale of vocal fold nodules in children, based upon short digital video clips. A tutorial for use of the scale, including schematic drawings of nodules, static images, and 10-second video clips, was presented to 36 clinicians with various levels of experience. The clinicians then reviewed 40 short digital video samples from pediatric patients evaluated in a voice clinic and rated the nodule size. Statistical analysis of the ratings provided inter-rater reliability scores. Thirty-six clinicians with various levels of experience rated a total of 40 short video clips. The ratings of experienced raters (14 pediatric otolaryngology attending physicians and pediatric otolaryngology fellows) were compared with those of inexperienced raters (22 nurses, medical students, otolaryngology residents, physician assistants, and pediatric speech-language pathologists). The overall intraclass correlation coefficient for the ratings of nodule size was quite good (0.62; 95% confidence interval, 0.52 to 0.74). The p value for experienced raters versus inexperienced raters was 0.1345, indicating no statistically significant difference in the ratings by these two groups. The intraclass correlation coefficient for intra-rater reliability was very high (0.89). The use of a dynamic scale of pediatric vocal fold nodule size most realistically represents the clinical assessment of nodules during an office visit. The results of this study show a high level of agreement between experienced and inexperienced raters. This scale can be used with a high level of reliability by clinicians with various levels of experience. A validated grading scale will help to assess long-term outcomes of pediatric patients with vocal fold nodules.

  7. Solid state video cameras

    CERN Document Server

    Cristol, Y

    2013-01-01

    Solid State Video Cameras reviews the state of the art in the field of solid-state television cameras as compiled from patent literature. Organized into 10 chapters, the book begins with the basic array types of solid-state imagers and appropriate read-out circuits and methods. Documents relating to improvement of picture quality, such as spurious signal suppression, uniformity correction, or resolution enhancement, are also cited. The last part considerssolid-state color cameras.

  8. The video lecture

    OpenAIRE

    Crook, Charles; Schofield, Louise

    2017-01-01

    Vocabulary for describing the structures, roles, and relationships characteristic of traditional, or ‘offline’, education has been seamlessly applied to the designs of ‘online’ education. One example is the lecture, delivered as a video recording. The purpose of this research is to consider the concept of ‘lecture’ as realised in both offline and online contexts. We explore how media differences entail different student experiences and how these differences relate to design decisions associat...

  9. Development of an expert system for power quality advisement using CLIPS 6.0

    Science.gov (United States)

    Chandrasekaran, A.; Sarma, P. R. R.; Sundaram, Ashok

    1994-01-01

    Proliferation of power electronic devices has brought in its wake both deterioration in and demand for quality power supply from the utilities. The power quality problems become apparent when the user's equipment or systems maloperate or fail. Since power quality concerns arise from a wide variety of sources and the problem fixes are better achieved from the expertise of field engineers, development of an expert system for power quality advisement seems to be a very attractive and cost-effective solution for utility applications. An expert system thus developed gives an understanding of the adverse effects of power quality related problems on the system and could help in finding remedial solutions. The paper reports the design of a power quality advisement expert system being developed using CLIPS 6.0. A brief outline of the power quality concerns is first presented. A description of the knowledge base is next given and details of actual implementation include screen output from the program.

  10. Clipping the cosmos: the bias and bispectrum of large scale structure.

    Science.gov (United States)

    Simpson, Fergus; James, J Berian; Heavens, Alan F; Heymans, Catherine

    2011-12-30

    A large fraction of the information collected by cosmological surveys is simply discarded to avoid length scales which are difficult to model theoretically. We introduce a new technique which enables the extraction of useful information from the bispectrum of galaxies well beyond the conventional limits of perturbation theory. Our results strongly suggest that this method increases the range of scales where the relation between the bispectrum and power spectrum in tree-level perturbation theory may be applied, from k(max) ∼ 0.1 to ∼0.7 hMpc(-1). This leads to correspondingly large improvements in the determination of galaxy bias. Since the clipped matter power spectrum closely follows the linear power spectrum, there is the potential to use this technique to probe the growth rate of linear perturbations and confront theories of modified gravity with observation.

  11. 76 FR 56658 - Video Description Implementation of the Twenty-First Century Communications and Video...

    Science.gov (United States)

    2011-09-14

    ... COMMISSION 47 CFR Parts 73 and 79 Video Description Implementation of the Twenty-First Century Communications and Video Accessibility Act of 2010 Action: Final rules; announcement of effective date. SUMMARY: In... issues relating to the video description rules. The final information collection requirements were...

  12. Oral English Development among Non-English Speaking, Spanish-Speaking American Adults Based on Thirty Innovative Video Programs and Related Paper/Pencil Lessons.

    Science.gov (United States)

    Valencia, Atilano A.

    The 1970-1971 field testing of the Adult Basic Education Empleen Ingles video programs and paper and pencil lessons was undertaken to provide answers to several questions. These questions concerned: (1) the instructional effectiveness of the 30 video programs and pen and pencil lessons; (2) the two programs as single or dual instructional media;…

  13. Using a Standardized Video-Based Assessment in a University Teacher Education Program to Examine Preservice Teachers Knowledge Related to Effective Teaching

    Science.gov (United States)

    Wiens, Peter D.; Hessberg, Kevin; LoCasale-Crouch, Jennifer; DeCoster, Jamie

    2013-01-01

    The Video Assessment of Interactions and Learning (VAIL), a video-based assessment of teacher understanding of effective teaching strategies and behaviors, was administered to preservice teachers. Descriptive and regression analyzes were conducted to examine trends among participants and identify predictors at the individual level and program…

  14. 'People like me don't make things like that': Participatory video as a method for reducing leprosy-related stigma.

    Science.gov (United States)

    Peters, R M H; Zweekhorst, M B M; van Brakel, W H; Bunders, J F G; Irwanto

    2016-01-01

    The Stigma Assessment and Reduction of Impact project aims to assess the effectiveness of stigma-reduction interventions in the field of leprosy. Participatory video seemed to be a promising approach to reducing stigma among stigmatized individuals (in this study the video makers) and the stigmatisers (video audience). This study focuses on the video makers and seeks to assess the impact on them of making a participatory video and to increase understanding of how to deal with foreseeable difficulties. Participants were selected on the basis of criteria and in collaboration with the community health centre. This study draws on six qualitative methods including interviews with the video makers and participant observation. Triangulation was used to increase the validity of the findings. Two videos were produced. The impact on participants ranged from having a good time to a greater sense of togetherness, increased self-esteem, individual agency and willingness to take action in the community. Concealment of leprosy is a persistent challenge, and physical limitations and group dynamics are also areas that require attention. Provided these three areas are properly taken into account, participatory video has the potential to address stigma at least at three levels - intrapersonal, interpersonal and community - and possibly more.

  15. Relating pressure measurements to phenomena observed in high speed video recordings during tests of explosive charges in a semi-confined blast chamber

    CSIR Research Space (South Africa)

    Mostert, FJ

    2012-09-01

    Full Text Available video recordings were obtained from the open end of the chamber of the fireball and post detonative behaviour of explosive products. The framing rate of the video camera was 10 000 fps and the pressure measurements were obtained for at least 10 ms after...

  16. A Comparison of the Acquisition of Play Skills Using Instructor-Created Video Models and Commercially Available Videos

    Science.gov (United States)

    Palechka, Gail; MacDonald, Rebecca

    2010-01-01

    We compared the effects of a commercially-available children's video relative to an instructor-created video model on the acquisition of play skills with three children diagnosed with an autism spectrum disorder. Each participant was exposed to one commercially-available video model for one play scenario and one instructor-created video for a…

  17. Astronomy4Kids: Utilizing online video forums to teach basic planetary concepts to children (pre-K to 2nd-grade)

    Science.gov (United States)

    Pearson, Richard L.

    2016-10-01

    We have developed Astronomy4Kids to help cultivate the next generation of scientists by using technology to reach every interested child in both formal and informal learning environments. This online video series fills the void of effective STEM education tools for children under the age of 8. Our first collection of videos discuss many planetary topics, including the following: planet and moon formation theories, solar and lunar eclipses, and the seasonal effect of the Earth's tilt. As education and outreach become a larger focus of groups such as AAS and NASA, it is imperative to include programs such as Astronomy4Kids to extend these initiatives to younger age groups.Traditionally, this age group has been viewed as too young to be introduced to physics and astronomy concepts. However, child development research is consistently demonstrating the amazing plasticity of a young child's mind: the younger one is introduced to a complex concept, the easier it is to grasp later on. Following the philosophies of Fred Rogers, we present children with a real, relatable, instructor allowing them to focus on the concepts being presented.The format of Astronomy4Kids includes short instruction video clips that usually include a hands-on activity that is easily reproduced at home or in the classroom. This permits flexibility in how the video series is utilized. Within formal classroom or after-school situations, teachers and instructors can lead the discussion and activity with help from the video and supplemental materials (e.g. worksheets, concept outlines, etc.). Informal environments permit the viewer to complete the tasks on their own or simply enjoy the presentation. The video series can be found on YouTube (under "Astronomy 4 Kids") or Facebook (at www.facebook.com/astronomy4kids); we have also expanded to Instagram (www.instragram.com/astronomy4kids) and Pinterest (www.pinterest.com/astronomy4kids).

  18. Multivariate Cryptography Based on Clipped Hopfield Neural Network.

    Science.gov (United States)

    Wang, Jia; Cheng, Lee-Ming; Su, Tong

    2018-02-01

    Designing secure and efficient multivariate public key cryptosystems [multivariate cryptography (MVC)] to strengthen the security of RSA and ECC in conventional and quantum computational environment continues to be a challenging research in recent years. In this paper, we will describe multivariate public key cryptosystems based on extended Clipped Hopfield Neural Network (CHNN) and implement it using the MVC (CHNN-MVC) framework operated in space. The Diffie-Hellman key exchange algorithm is extended into the matrix field, which illustrates the feasibility of its new applications in both classic and postquantum cryptography. The efficiency and security of our proposed new public key cryptosystem CHNN-MVC are simulated and found to be NP-hard. The proposed algorithm will strengthen multivariate public key cryptosystems and allows hardware realization practicality.

  19. Scaffolding With and Through Videos

    DEFF Research Database (Denmark)

    Otrel-Cass, Kathrin; Khoo, Elaine; Cowie, Bronwen

    2012-01-01

    to consider must be expanded. This article explicates theoretical and practical ideas related to teachers’ application of their ICT technology, pedagogy, and content knowledge (TPACK) in science. The article unpacks the social and technological dimensions of teachers’ use of TPACK when they use digital videos...... to scaffold learning. It showcases the intricate interplay between teachers’ knowledge about content, digital video technology, and students’ learning needs based on a qualitative study of two science teachers and their students in a New Zealand primary school....

  20. Video Game Training and the Reward System

    Directory of Open Access Journals (Sweden)

    Robert C. Lorenz

    2015-02-01

    Full Text Available Video games contain elaborate reinforcement and reward schedules that have the potential to maximize motivation. Neuroimaging studies suggest that video games might have an influence on the reward system. However, it is not clear whether reward-related properties represent a precondition, which biases an individual towards playing video games, or if these changes are the result of playing video games. Therefore, we conducted a longitudinal study to explore reward-related functional predictors in relation to video gaming experience as well as functional changes in the brain in response to video game training.Fifty healthy participants were randomly assigned to a video game training (TG or control group (CG. Before and after training/control period, functional magnetic resonance imaging (fMRI was conducted using a non-video game related reward task.At pretest, both groups showed strongest activation in ventral striatum (VS during reward anticipation. At posttest, the TG showed very similar VS activity compared to pretest. In the CG, the VS activity was significantly attenuated.This longitudinal study revealed that video game training may preserve reward responsiveness in the ventral striatum in a retest situation over time. We suggest that video games are able to keep striatal responses to reward flexible, a mechanism which might be of critical value for applications such as therapeutic cognitive training.

  1. Video game training and the reward system.

    Science.gov (United States)

    Lorenz, Robert C; Gleich, Tobias; Gallinat, Jürgen; Kühn, Simone

    2015-01-01

    Video games contain elaborate reinforcement and reward schedules that have the potential to maximize motivation. Neuroimaging studies suggest that video games might have an influence on the reward system. However, it is not clear whether reward-related properties represent a precondition, which biases an individual toward playing video games, or if these changes are the result of playing video games. Therefore, we conducted a longitudinal study to explore reward-related functional predictors in relation to video gaming experience as well as functional changes in the brain in response to video game training. Fifty healthy participants were randomly assigned to a video game training (TG) or control group (CG). Before and after training/control period, functional magnetic resonance imaging (fMRI) was conducted using a non-video game related reward task. At pretest, both groups showed strongest activation in ventral striatum (VS) during reward anticipation. At posttest, the TG showed very similar VS activity compared to pretest. In the CG, the VS activity was significantly attenuated. This longitudinal study revealed that video game training may preserve reward responsiveness in the VS in a retest situation over time. We suggest that video games are able to keep striatal responses to reward flexible, a mechanism which might be of critical value for applications such as therapeutic cognitive training.

  2. Pull-off characteristics of double-shanked compared to single-shanked ligation clips: an animal study

    Directory of Open Access Journals (Sweden)

    Schenk Martin

    2016-09-01

    Full Text Available The use of surgical ligation clips is considered as the gold standard for the closure of vessels, particularly in laparoscopic surgery. The safety of clips is mainly achieved by the deep indentation of the metal bar with a high retention force. A novel double-shanked (DS titanium clip was compared to two single-shanked clips with respect to axial and radial pull-off forces.

  3. Saying What You're Looking For: Linguistics Meets Video Search.

    Science.gov (United States)

    Barrett, Daniel Paul; Barbu, Andrei; Siddharth, N; Siskind, Jeffrey Mark

    2016-10-01

    We present an approach to searching large video corpora for clips which depict a natural-language query in the form of a sentence. Compositional semantics is used to encode subtle meaning differences lost in other approaches, such as the difference between two sentences which have identical words but entirely different meaning: The person rode the horse versus The horse rode the person. Given a sentential query and a natural-language parser, we produce a score indicating how well a video clip depicts that sentence for each clip in a corpus and return a ranked list of clips. Two fundamental problems are addressed simultaneously: detecting and tracking objects, and recognizing whether those tracks depict the query. Because both tracking and object detection are unreliable, our approach uses the sentential query to focus the tracker on the relevant participants and ensures that the resulting tracks are described by the sentential query. While most earlier work was limited to single-word queries which correspond to either verbs or nouns, we search for complex queries which contain multiple phrases, such as prepositional phrases, and modifiers, such as adverbs. We demonstrate this approach by searching for 2,627 naturally elicited sentential queries in 10 Hollywood movies.

  4. Obesity in the new media: a content analysis of obesity videos on YouTube.

    Science.gov (United States)

    Yoo, Jina H; Kim, Junghyun

    2012-01-01

    This study examines (1) how the topics of obesity are framed and (2) how obese persons are portrayed on YouTube video clips. The analysis of 417 obesity videos revealed that a newer medium like YouTube, similar to traditional media, appeared to assign responsibility and solutions for obesity mainly to individuals and their behaviors, although there was a tendency that some video categories have started to show other causal claims or solutions. However, due to the prevailing emphasis on personal causes and solutions, numerous YouTube videos had a theme of weight-based teasing, or showed obese persons engaging in stereotypical eating behaviors. We discuss a potential impact of YouTube videos on shaping viewers' perceptions about obesity and further reinforcing stigmatization of obese persons.

  5. CLIPS - C LANGUAGE INTEGRATED PRODUCTION SYSTEM (IBM PC VERSION WITH CLIPSITS)

    Science.gov (United States)

    Riley, , .

    1994-01-01

    The C Language Integrated Production System, CLIPS, is a shell for developing expert systems. It is designed to allow artificial intelligence research, development, and delivery on conventional computers. The primary design goals for CLIPS are portability, efficiency, and functionality. For these reasons, the program is written in C. CLIPS meets or outperforms most micro- and minicomputer based artificial intelligence tools. CLIPS is a forward chaining rule-based language. The program contains an inference engine and a language syntax that provide a framework for the construction of an expert system. It also includes tools for debugging an application. CLIPS is based on the Rete algorithm, which enables very efficient pattern matching. The collection of conditions and actions to be taken if the conditions are met is constructed into a rule network. As facts are asserted either prior to or during a session, CLIPS pattern-matches the number of fields. Wildcards and variables are supported for both single and multiple fields. CLIPS syntax allows the inclusion of externally defined functions (outside functions which are written in a language other than CLIPS). CLIPS itself can be embedded in a program such that the expert system is available as a simple subroutine call. Advanced features found in CLIPS version 4.3 include an integrated microEMACS editor, the ability to generate C source code from a CLIPS rule base to produce a dedicated executable, binary load and save capabilities for CLIPS rule bases, and the utility program CRSV (Cross-Reference, Style, and Verification) designed to facilitate the development and maintenance of large rule bases. Five machine versions are available. Each machine version includes the source and the executable for that machine. The UNIX version includes the source and binaries for IBM RS/6000, Sun3 series, and Sun4 series computers. The UNIX, DEC VAX, and DEC RISC Workstation versions are line oriented. The PC version and the Macintosh

  6. 76 FR 31360 - Paper Clips From China; Scheduling of an Expedited Five-Year Review Concerning the Antidumping...

    Science.gov (United States)

    2011-05-31

    ... COMMISSION Paper Clips From China; Scheduling of an Expedited Five-Year Review Concerning the Antidumping Duty Order on Paper Clips From China AGENCY: United States International Trade Commission. ACTION... revocation of the antidumping duty order on paper clips from China would be likely to lead to continuation or...

  7. Rheumatoid Arthritis Educational Video Series

    Medline Plus

    Full Text Available ... Rheumatoid Arthritis Educational Video Series Rheumatoid Arthritis Educational Video Series This series of five videos was designed ... Activity Role of Body Weight in Osteoarthritis Educational Videos for Patients Rheumatoid Arthritis Educational Video Series Psoriatic ...

  8. Video in foreign language teaching

    Directory of Open Access Journals (Sweden)

    Joe Hambrook

    2013-02-01

    Full Text Available Much of the attention paid to video in foreign language teaching is focused upon a relatively small amount of commercially produced and distributed material. This paper briefly describes the development of this material in the EFLIESL field; looks at some current issues and concerns, and considers future possibilities with particular reference to computer assisted interactive video. Heelwat van die aandag wat video geniet as hulpmiddel by tweedetaalonderrig is toegespits op 'n relatief klein hoeveelheid kommersieel vervaardigde en verspreide materiaal. Hierdie artikel beskryf kortliks die ontwikkeling van bogenoemde materiaal waar dit Engels as tweede of vreemde taal betref. Verder word daar aandag gegee aan huidige tendense en toekomstige moontlikhede word oorweeg, met spesifieke verwysing na rekenaarondersteunde interaktiewe video.

  9. Automatic Synthesis of Background Music Track Data by Analysis of Video Contents

    Science.gov (United States)

    Modegi, Toshio

    This paper describes an automatic creation technique of background music track data for given video file. Our proposed system is based on a novel BGM synthesizer, called “Matrix Music Player”, which can produce 3125 kinds of high-quality BGM contents by dynamically mixing 5 audio files, which are freely selected from total 25 audio waveform files. In order to retrieve appropriate BGM mixing patterns, we have constructed an acoustic analysis database, which records acoustic features of total 3125 synthesized patterns. Developing a video analyzer which generates image parameters of given video data and converts them to acoustic parameters, we will access the acoustic analysis database and retrieve an appropriate synthesized BGM signal, which can be included in the audio track of the source video file. Based on our proposed method, we have tried BGM synthesis experiments using several around 20-second video clips. The automatically inserted BGM audio streams for all of our given video clips have been objectively acceptable. In this paper, we describe briefly our proposed BGM synthesized method and its experimental results.

  10. Learning Computational Models of Video Memorability from fMRI Brain Imaging.

    Science.gov (United States)

    Han, Junwei; Chen, Changyuan; Shao, Ling; Hu, Xintao; Han, Jungong; Liu, Tianming

    2015-08-01

    Generally, various visual media are unequally memorable by the human brain. This paper looks into a new direction of modeling the memorability of video clips and automatically predicting how memorable they are by learning from brain functional magnetic resonance imaging (fMRI). We propose a novel computational framework by integrating the power of low-level audiovisual features and brain activity decoding via fMRI. Initially, a user study experiment is performed to create a ground truth database for measuring video memorability and a set of effective low-level audiovisual features is examined in this database. Then, human subjects' brain fMRI data are obtained when they are watching the video clips. The fMRI-derived features that convey the brain activity of memorizing videos are extracted using a universal brain reference system. Finally, due to the fact that fMRI scanning is expensive and time-consuming, a computational model is learned on our benchmark dataset with the objective of maximizing the correlation between the low-level audiovisual features and the fMRI-derived features using joint subspace learning. The learned model can then automatically predict the memorability of videos without fMRI scans. Evaluations on publically available image and video databases demonstrate the effectiveness of the proposed framework.

  11. 61214++++','DOAJ-ART-EN'); return false;" href="+++++https://jual.nipissingu.ca/wp-content/uploads/sites/25/2014/06/v61214.m4v">61214++++">Jailed - Video

    Directory of Open Access Journals (Sweden)

    Cameron CULBERT

    2012-07-01

    Full Text Available As the public education system in Northern Ontario continues to take a downward spiral, a plethora of secondary school students are being placed in an alternative educational environment. Juxtaposing the two educational settings reveals very similar methods and characteristics of educating our youth as opposed to using a truly alternative approach to education. This video reviews the relationship between public education and alternative education in a remote Northern Ontario setting. It is my belief that the traditional methods of teaching are not appropriate in educating at risk students in alternative schools. Paper and pencil worksheets do not motivate these students to learn and succeed. Alternative education should emphasize experiential learning, a just in time curriculum based on every unique individual and the students true passion for everyday life. Cameron Culbert was born on February 3rd, 1977 in North Bay, Ontario. His teenage years were split between attending public school and his willed curriculum on the ski hill. Culbert spent 10 years (1996-2002 & 2006-2010 competing for Canada as an alpine ski racer. His passion for teaching and coaching began as an athlete and has now transferred into the classroom and the community. As a graduate of Nipissing University (BA, BEd, MEd. Camerons research interests are alternative education, physical education and technology in the classroom. Currently Cameron is an active educator and coach in Northern Ontario.

  12. Re Viewing Listening: "Clip Culture" and Cross-Modal Learning in the Music Classroom

    Science.gov (United States)

    Webb, Michael

    2010-01-01

    This article envisions a new, cross-modal approach to classroom music listening, one that takes advantage of students' rising screen literacy and the ever-expanding archive of music-related visual material available on DVD and on video sharing sites such as YouTube. It is grounded in current literature on music performance studies, embodied music…

  13. Video Design Games

    DEFF Research Database (Denmark)

    Smith, Rachel Charlotte; Christensen, Kasper Skov; Iversen, Ole Sejer

    We introduce Video Design Games to train educators in teaching design. The Video Design Game is a workshop format consisting of three rounds in which participants observe, reflect and generalize based on video snippets from their own practice. The paper reports on a Video Design Game workshop...

  14. Simple device to determine the pressure applied by pressure clips for the treatment of earlobe keloids

    Directory of Open Access Journals (Sweden)

    Aashish Sasidharan

    2015-01-01

    Full Text Available Background: Keloids of the ear are common problems. Various treatment modalities are available for the treatment of ear keloids. Surgical excision with intralesional steroid injection along with compression therapy has the least recurrence rate. Various types of devices are available for pressure therapy. Pressure applied by these devices is uncontrolled and is associated with the risk of pressure necrosis. We describe here a simple and easy to use device to measure pressure applied by these clips for better outcome. Objectives: To devise a simple method to measure the pressure applied by various pressure clips used in ear keloid pressure therapy. Materials and Methods: By using a force sensitive resistor (FSR, the pressure applied gets converted into voltage using electrical wires, resistors, capacitors, converter, amplifier, diode, nine-volt (9V cadmium battery and the voltage is measured using a multimeter. The measured voltage is then converted into pressure using pressure voltage graph that depicts the actual pressure applied by the pressure clip. Results: The pressure applied by different clips was variable. The spring clips were adjustable by slight variation in the design whereas the pressure applied by binder clips and magnet discs was not adjustable. Conclusion: The uncontrolled/suboptimal pressure applied by certain pressure clips can be monitored to provide optimal pressure therapy in ear keloid for better outcome.

  15. Predicting personal preferences in subjective video quality assessment

    DEFF Research Database (Denmark)

    Korhonen, Jari

    2017-01-01

    the characteristics of each test sample are represented by a set of parameters, and the individual preferences are represented by weights for the parameters. According to the validation experiment performed on public visual quality databases annotated with raw individual scores, the proposed model can predict......In this paper, we study the problem of predicting the visual quality of a specific test sample (e.g. a video clip) experienced by a specific user, based on the ratings by other users for the same sample and the same user for other samples. A simple linear model and algorithm is presented, where...

  16. Characterization of social video

    Science.gov (United States)

    Ostrowski, Jeffrey R.; Sarhan, Nabil J.

    2009-01-01

    The popularity of social media has grown dramatically over the World Wide Web. In this paper, we analyze the video popularity distribution of well-known social video websites (YouTube, Google Video, and the AOL Truveo Video Search engine) and characterize their workload. We identify trends in the categories, lengths, and formats of those videos, as well as characterize the evolution of those videos over time. We further provide an extensive analysis and comparison of video content amongst the main regions of the world.

  17. Virtual Cerebral Aneurysm Clipping with Real-Time Haptic Force Feedback in Neurosurgical Education.

    Science.gov (United States)

    Gmeiner, Matthias; Dirnberger, Johannes; Fenz, Wolfgang; Gollwitzer, Maria; Wurm, Gabriele; Trenkler, Johannes; Gruber, Andreas

    2018-01-11

    Realistic, safe, and efficient modalities for simulation-based training are highly warranted to enhance the quality of surgical education, and they should be incorporated in resident training. The aim of this study was to develop a patient-specific virtual cerebral aneurysm-clipping simulator with haptic force feedback and real-time deformation of the aneurysm and vessels. A prototype simulator was developed from 2012 to 2016. Evaluation of virtual clipping by blood flow simulation was integrated in this software, and the prototype was evaluated by 18 neurosurgeons. In 4 patients with different medial cerebral artery aneurysms, virtual clipping was performed after real-life surgery, and surgical results were compared regarding clip application, surgical trajectory, and blood flow. After head positioning and craniotomy, bimanual virtual aneurysm clipping with an original forceps was performed. Blood flow simulation demonstrated residual aneurysm filling or branch stenosis. The simulator improved anatomic understanding for 89% of neurosurgeons. Simulation of head positioning and craniotomy was considered realistic by 89% and 94% of users, respectively. Most participants agreed that this simulator should be integrated into neurosurgical education (94%). Our illustrative cases demonstrated that virtual aneurysm surgery was possible using the same trajectory as in real-life cases. Both virtual clipping and blood flow simulation were realistic in broad-based but not calcified aneurysms. Virtual clipping of a calcified aneurysm could be performed using the same surgical trajectory, but not the same clip type. We have successfully developed a virtual aneurysm-clipping simulator. Next, we will prospectively evaluate this device for surgical procedure planning and education. Copyright © 2018 Elsevier Inc. All rights reserved.

  18. What kind of erotic film clips should we use in female sex research? An exploratory study.

    Science.gov (United States)

    Woodard, Terri L; Collins, Karen; Perez, Mindy; Balon, Richard; Tancer, Manuel E; Kruger, Michael; Moffat, Scott; Diamond, Michael P

    2008-01-01

    Erotic film clips are used in sex research, including studies of female sexual dysfunction and arousal. However, little is known about which clips optimize female sexual response. Furthermore, their use is not well standardized. To identify the types of film clips that are most mentally appealing and physically arousing to women for use in future sexual function and dysfunction studies; to explore the relationship between mental appeal and reported physical arousal; to characterize the content of the films that were found to be the most and least appealing and arousing. Twenty-one women viewed 90 segments of erotic film clips. They rated how (i) mentally appealing and (ii) how physically aroused they were by each clip. The data were analyzed by descriptive statistics. The means of the mental and self-reported physical responses were calculated to determine the most and least appealing/arousing film clips. Pearson correlations were calculated to assess the relationship between mental appeal and reported physical arousal. Self-reported mental and physical arousal. Of 90 film clips, 18 were identified as the most mentally appealing and physically arousing while nine were identified as the least mentally appealing and physically arousing. The level of mental appeal positively correlated with the level of perceived physical arousal in both categories (r = 0.61, P fellatio, and anal intercourse. Erotic film clips reliably produced a state of self-reported arousal in women. The most appealing and arousing films tended to depict heterosexual vaginal intercourse. Film clips with these attributes should be used in future research of sexual function and response of women.

  19. Bird-Borne Video-Cameras Show That Seabird Movement Patterns Relate to Previously Unrevealed Proximate Environment, Not Prey: e88424

    National Research Council Canada - National Science Library

    Yann Tremblay; Andréa Thiebault; Ralf Mullers; Pierre Pistorius

    2014-01-01

    ... environmental contexts. Here, using miniaturized video cameras and GPS tracking recorders simultaneously, we show for the first time that information on the immediate visual surroundings of a foraging seabird, the Cape...

  20. Video visual analytics

    OpenAIRE

    Höferlin, Markus Johannes

    2013-01-01

    The amount of video data recorded world-wide is tremendously growing and has already reached hardly manageable dimensions. It originates from a wide range of application areas, such as surveillance, sports analysis, scientific video analysis, surgery documentation, and entertainment, and its analysis represents one of the challenges in computer science. The vast amount of video data renders manual analysis by watching the video data impractical. However, automatic evaluation of video material...

  1. Utilizing Video Games

    Science.gov (United States)

    Blaize, L.

    Almost from its birth, the computer and video gaming industry has done an admirable job of communicating the vision and attempting to convey the experience of traveling through space to millions of gamers from all cultures and demographics. This paper will propose several approaches the 100 Year Starship Study can take to use the power of interactive media to stir interest in the Starship and related projects among a global population. It will examine successful gaming franchises from the past that are relevant to the mission and consider ways in which the Starship Study could cooperate with game development studios to bring the Starship vision to those franchises and thereby to the public. The paper will examine ways in which video games can be used to crowd-source research aspects for the Study, and how video games are already considering many of the same topics that will be examined by this Study. Finally, the paper will propose some mechanisms by which the 100 Year Starship Study can establish very close ties with the gaming industry and foster cooperation in pursuit of the Study's goals.

  2. Health related quality of life in patients admitted for video-electroencephalography monitoring diagnosed with epilepsy or psychogenic non-epileptic seizures.

    Science.gov (United States)

    Yerdelen, Deniz; Altintas, Ebru

    2016-01-01

    To determine the health related quality of life (HRQOL) in patients with epilepsy or psychogenic non-epileptic seizures (PNES). This cross-sectional study was carried out between December 2010 and December 2014 in the Department of Neurology and Psychiatry, Faculty of Medicine, Baskent University, Adana, Turkey. Patients who were admitted for video-electroencephalography monitoring and diagnosed of epileptic seizures or PNES were asked to complete a questionnaire from the World Health Organization Quality of Life, and psychiatric comorbidities were diagnosed using the structured clinical interview for Diagnostic and Statistical Manual of Mental Disorders Fourth Edition. Patients with epilepsy and PNES were found to have similar HRQOL in physical, psychological, social, and environmental domains. However, the percentage of comorbid psychiatric disorders were higher in patients with PNES than patients with epilepsy. Patients with epilepsy and PNES have similar HRQOL, and PNES are resistant to the standard medical therapies used for the treatment of epileptic seizures. The direct lifetime cost of undiagnosed PNES may be of equal with intractable epilepsy. A better understanding of the impact of PNES manifestations and epilepsy would help to provide appropriate clinical, psychological and social care.

  3. CLIPS 6.0 - C LANGUAGE INTEGRATED PRODUCTION SYSTEM, VERSION 6.0 (IBM PC VERSION)

    Science.gov (United States)

    Donnell, B.

    1994-01-01

    CLIPS, the C Language Integrated Production System, is a complete environment for developing expert systems -- programs which are specifically intended to model human expertise or knowledge. It is designed to allow artificial intelligence research, development, and delivery on conventional computers. CLIPS 6.0 provides a cohesive tool for handling a wide variety of knowledge with support for three different programming paradigms: rule-based, object-oriented, and procedural. Rule-based programming allows knowledge to be represented as heuristics, or "rules-of-thumb" which specify a set of actions to be performed for a given situation. Object-oriented programming allows complex systems to be modeled as modular components (which can be easily reused to model other systems or create new components). The procedural programming capabilities provided by CLIPS 6.0 allow CLIPS to represent knowledge in ways similar to those allowed in languages such as C, Pascal, Ada, and LISP. Using CLIPS 6.0, one can develop expert system software using only rule-based programming, only object-oriented programming, only procedural programming, or combinations of the three. CLIPS provides extensive features to support the rule-based programming paradigm including seven conflict resolution strategies, dynamic rule priorities, and truth maintenance. CLIPS 6.0 supports more complex nesting of conditional elements in the if portion of a rule ("and", "or", and "not" conditional elements can be placed within a "not" conditional element). In addition, there is no longer a limitation on the number of multifield slots that a deftemplate can contain. The CLIPS Object-Oriented Language (COOL) provides object-oriented programming capabilities. Features supported by COOL include classes with multiple inheritance, abstraction, encapsulation, polymorphism, dynamic binding, and message passing with message-handlers. CLIPS 6.0 supports tight integration of the rule-based programming features of CLIPS with

  4. CLIPS 6.0 - C LANGUAGE INTEGRATED PRODUCTION SYSTEM, VERSION 6.0 (MACINTOSH VERSION)

    Science.gov (United States)

    Riley, G.

    1994-01-01

    CLIPS, the C Language Integrated Production System, is a complete environment for developing expert systems -- programs which are specifically intended to model human expertise or knowledge. It is designed to allow artificial intelligence research, development, and delivery on conventional computers. CLIPS 6.0 provides a cohesive tool for handling a wide variety of knowledge with support for three different programming paradigms: rule-based, object-oriented, and procedural. Rule-based programming allows knowledge to be represented as heuristics, or "rules-of-thumb" which specify a set of actions to be performed for a given situation. Object-oriented programming allows complex systems to be modeled as modular components (which can be easily reused to model other systems or create new components). The procedural programming capabilities provided by CLIPS 6.0 allow CLIPS to represent knowledge in ways similar to those allowed in languages such as C, Pascal, Ada, and LISP. Using CLIPS 6.0, one can develop expert system software using only rule-based programming, only object-oriented programming, only procedural programming, or combinations of the three. CLIPS provides extensive features to support the rule-based programming paradigm including seven conflict resolution strategies, dynamic rule priorities, and truth maintenance. CLIPS 6.0 supports more complex nesting of conditional elements in the if portion of a rule ("and", "or", and "not" conditional elements can be placed within a "not" conditional element). In addition, there is no longer a limitation on the number of multifield slots that a deftemplate can contain. The CLIPS Object-Oriented Language (COOL) provides object-oriented programming capabilities. Features supported by COOL include classes with multiple inheritance, abstraction, encapsulation, polymorphism, dynamic binding, and message passing with message-handlers. CLIPS 6.0 supports tight integration of the rule-based programming features of CLIPS with

  5. CLIPS 6.0 - C LANGUAGE INTEGRATED PRODUCTION SYSTEM, VERSION 6.0 (UNIX VERSION)

    Science.gov (United States)

    Donnell, B.

    1994-01-01

    CLIPS, the C Language Integrated Production System, is a complete environment for developing expert systems -- programs which are specifically intended to model human expertise or knowledge. It is designed to allow artificial intelligence research, development, and delivery on conventional computers. CLIPS 6.0 provides a cohesive tool for handling a wide variety of knowledge with support for three different programming paradigms: rule-based, object-oriented, and procedural. Rule-based programming allows knowledge to be represented as heuristics, or "rules-of-thumb" which specify a set of actions to be performed for a given situation. Object-oriented programming allows complex systems to be modeled as modular components (which can be easily reused to model other systems or create new components). The procedural programming capabilities provided by CLIPS 6.0 allow CLIPS to represent knowledge in ways similar to those allowed in languages such as C, Pascal, Ada, and LISP. Using CLIPS 6.0, one can develop expert system software using only rule-based programming, only object-oriented programming, only procedural programming, or combinations of the three. CLIPS provides extensive features to support the rule-based programming paradigm including seven conflict resolution strategies, dynamic rule priorities, and truth maintenance. CLIPS 6.0 supports more complex nesting of conditional elements in the if portion of a rule ("and", "or", and "not" conditional elements can be placed within a "not" conditional element). In addition, there is no longer a limitation on the number of multifield slots that a deftemplate can contain. The CLIPS Object-Oriented Language (COOL) provides object-oriented programming capabilities. Features supported by COOL include classes with multiple inheritance, abstraction, encapsulation, polymorphism, dynamic binding, and message passing with message-handlers. CLIPS 6.0 supports tight integration of the rule-based programming features of CLIPS with

  6. Tiny videos: a large data set for nonparametric video retrieval and frame classification.

    Science.gov (United States)

    Karpenko, Alexandre; Aarabi, Parham

    2011-03-01

    In this paper, we present a large database of over 50,000 user-labeled videos collected from YouTube. We develop a compact representation called "tiny videos" that achieves high video compression rates while retaining the overall visual appearance of the video as it varies over time. We show that frame sampling using affinity propagation-an exemplar-based clustering algorithm-achieves the best trade-off between compression and video recall. We use this large collection of user-labeled videos in conjunction with simple data mining techniques to perform related video retrieval, as well as classification of images and video frames. The classification results achieved by tiny videos are compared with the tiny images framework [24] for a variety of recognition tasks. The tiny images data set consists of 80 million images collected from the Internet. These are the largest labeled research data sets of videos and images available to date. We show that tiny videos are better suited for classifying scenery and sports activities, while tiny images perform better at recognizing objects. Furthermore, we demonstrate that combining the tiny images and tiny videos data sets improves classification precision in a wider range of categories.

  7. Mobile-Based Video Learning Outcomes in Clinical Nursing Skill Education: A Randomized Controlled Trial.

    Science.gov (United States)

    Lee, Nam-Ju; Chae, Sun-Mi; Kim, Haejin; Lee, Ji-Hye; Min, Hyojin Jennifer; Park, Da-Eun

    2016-01-01

    Mobile devices are a regular part of daily life among the younger generations. Thus, now is the time to apply mobile device use to nursing education. The purpose of this study was to identify the effects of a mobile-based video clip on learning motivation, competence, and class satisfaction in nursing students using a randomized controlled trial with a pretest and posttest design. A total of 71 nursing students participated in this study: 36 in the intervention group and 35 in the control group. A video clip of how to perform a urinary catheterization was developed, and the intervention group was able to download it to their own mobile devices for unlimited viewing throughout 1 week. All of the students participated in a practice laboratory to learn urinary catheterization and were blindly tested for their performance skills after participation in the laboratory. The intervention group showed significantly higher levels of learning motivation and class satisfaction than did the control. Of the fundamental nursing competencies, the intervention group was more confident in practicing catheterization than their counterparts. Our findings suggest that video clips using mobile devices are useful tools that educate student nurses on relevant clinical skills and improve learning outcomes.

  8. The effect of ether anesthesia on fin-clipping rate

    Science.gov (United States)

    Eschmeyer, Paul H.

    1953-01-01

    As part of an experimental program to learn the effects of stocking lake trout (Salvelinus namaycush) in Lake Superior, 141, 392 fingerlings were marked at the Charlevoix (Michigan) Station of the U.S. Fish and Wildlife Service in October 1952. The adipose fin was removed from all fish, the right pelvic from the remainder. A random sample of 2, 417 of the fish showed an average total length of 4.0 inches (range, 2.7 to 5.4). The mean weight of all fish marked was slightly less than one-third ounce (49 fish per pound). The local women, none of whom had previous experience in the work, were employed to mark the fish. Bone-cutting forceps were used for excision of the fins, and each worker wore a bobbinet glove to facilitate handling of the fish. On alternate days the fish were anesthetized with ether before marking, to determine the effect of its use on the fin-clipping rate.

  9. ICADS: A cooperative decision making model with CLIPS experts

    Science.gov (United States)

    Pohl, Jens; Myers, Leonard

    1991-01-01

    A cooperative decision making model is described which is comprised of six concurrently executing domain experts coordinated by a blackboard control expert. The focus application field is architectural design, and the domain experts represent consultants in the area of daylighting, noise control, structural support, cost estimating, space planning, and climate responsiveness. Both the domain experts and the blackboard were implemented as production systems, using an enhanced version of the basic CLIPS package. Acting in unison as an Expert Design Advisor, the domain and control experts react to the evolving design solution progressively developed by the user in a 2-D CAD drawing environment. A Geometry Interpreter maps each drawing action taken by the user to real world objects, such as spaces, walls, windows, and doors. These objects, endowed with geometric and nongeometric attributes, are stored as frames in a semantic network. Object descriptions are derived partly from the geometry of the drawing environment and partly from knowledge bases containing prototypical, generalized information about the building type and site conditions under consideration.

  10. Supplemental knowledge acquisition through external product interface for CLIPS

    Science.gov (United States)

    Saito, Tim; Ebaud, Stephen; Loftin, Bowen R.

    1990-01-01

    Traditionally, the acquisition of knowledge for expert systems consisted of the interview process with the domain or subject matter expert (SME), observation of domain environment, and information gathering and research which constituted a direct form of knowledge acquisition (KA). The knowledge engineer would be responsible for accumulating pertinent information and/or knowledge from the SME(s) for input into the appropriate expert system development tool. The direct KA process may (or may not) have included forms of data or documentation to incorporate from the SME's surroundings. The differentiation between direct KA and supplemental KA (indirect) would be the difference in the use of data. In acquiring supplemental knowledge, the knowledge engineer would access other types of evidence (manuals, documents, data files, spreadsheets, etc.) that would support the reasoning or premises of the SME. When an expert makes a decision in a particular task, one tool that may have been used to justify a recommendation, would have been a spreadsheet total or column figure. Locating specific decision points from that data within the SME's framework would constitute supplemental KA. Data used for a specific purpose in one system or environment would be used as supplemental knowledge for another, specifically a CLIPS project.

  11. A comparison of face to face and video-based education on attitude related to diet and fluids: Adherence in hemodialysis patients.

    Science.gov (United States)

    Karimi Moonaghi, Hossein; Hasanzadeh, Farzaneh; Shamsoddini, Somayyeh; Emamimoghadam, Zahra; Ebrahimzadeh, Saeed

    2012-07-01

    Adherence to diet and fluids is the cornerstone of patients undergoing hemodialysis. By informing hemodialysis patients we can help them have a proper diet and reduce mortality and complications of toxins. Face to face education is one of the most common methods of training in health care system. But advantages of video- based education are being simple and cost-effective, although this method is virtual. Seventy-five hemodialysis patients were divided randomly into face to face and video-based education groups. A training manual was designed based on Orem's self-care model. Content of training manual was same in both the groups. In the face to face group, 2 educational sessions were accomplished during dialysis with a 1-week time interval. In the video-based education group, a produced film, separated to 2 episodes was presented during dialysis with a 1-week time interval. An Attitude questionnaire was completed as a pretest and at the end of weeks 2 and 4. SPSS software version 11.5 was used for analysis. Attitudes about fluid and diet adherence at the end of weeks 2 and 4 are not significantly different in face to face or video-based education groups. The patients' attitude had a significant difference in face to face group between the 3 study phases (pre-, 2, and 4 weeks postintervention). The same results were obtained in 3 phases of video-based education group. Our findings showed that video-based education could be as effective as face to face method. It is recommended that more investment be devoted to video-based education.

  12. Robust Shot Boundary Detection from Video Using Dynamic Texture

    Directory of Open Access Journals (Sweden)

    Peng Taile

    2014-03-01

    Full Text Available Video boundary detection belongs to a basis subject in computer vision. It is more important to video analysis and video understanding. The existing video boundary detection methods always are effective to certain types of video data. These methods have relatively low generalization ability. We present a novel shot boundary detection algorithm based on video dynamic texture. Firstly, the two adjacent frames are read from a given video. We normalize the two frames to get the same size frame. Secondly, we divide these frames into some sub-domain on the same standard. The following thing is to calculate the average gradient direction of sub-domain and form dynamic texture. Finally, the dynamic texture of adjacent frames is compared. We have done some experiments in different types of video data. These experimental results show that our method has high generalization ability. To different type of videos, our algorithm can achieve higher average precision and average recall relative to some algorithms.

  13. Longline Observer (HI & Am. Samoa) Opah Fin Clip Collection for Lampris spp. Distribution Study

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — Data set containing information collected from the 1000+ fin clips collected by Hawaii & American Samoa Longline Observers that will be used to analyze the...

  14. Acute Cholangitis following Intraductal Migration of Surgical Clips 10 Years after Laparoscopic Cholecystectomy

    Directory of Open Access Journals (Sweden)

    Natalie E. Cookson

    2015-01-01

    Full Text Available Background. Laparoscopic cholecystectomy represents the gold standard approach for treatment of symptomatic gallstones. Surgery-associated complications include bleeding, bile duct injury, and retained stones. Migration of surgical clips after cholecystectomy is a rare complication and may result in gallstone formation “clip cholelithiasis”. Case Report. We report a case of a 55-year-old female patient who presented with right upper quadrant pain and severe sepsis having undergone an uncomplicated laparoscopic cholecystectomy 10 years earlier. Computed tomography (CT imaging revealed hyperdense material in the common bile duct (CBD compatible with retained calculus. Endoscopic retrograde cholangiopancreatography (ERCP revealed appearances in keeping with a migrated surgical clip within the CBD. Balloon trawl successfully extracted this, alleviating the patient’s jaundice and sepsis. Conclusion. Intraductal clip migration is a rarely encountered complication after laparoscopic cholecystectomy which may lead to choledocholithiasis. Appropriate management requires timely identification and ERCP.

  15. Clips migration to duodenum as a rare complication of laparoscopic cholecystectomy

    Directory of Open Access Journals (Sweden)

    Muammer Bilici

    2016-03-01

    Full Text Available Endoclip migration into the duodenum is an extremely rare complication of laparoscopic cholecystectomy. The patients usually present with bleeding ulcer. Here we report a 65-year-old female patient with a complaint of abdominal pain and dyspepsia due to clip migration into the duodenum after laparoscopic cholecystectomy secondary to symptomatic cholelithiasis 15 months previously. Ultrasonography and liver function tests were normal. Endoscopy showed metal clips in the second part of duodenum. The clips were removed endoscopically. No active bleeding was noted. In this case report, we present diagnosis and management of clips migration into wall of duodenum as a complication of laparoscopic cholecystectomy. [Cukurova Med J 2016; 41(0.100: 71-74

  16. Clipped speckle autocorrelation metric for spot size characterization of focused beam on a diffuse target

    National Research Council Canada - National Science Library

    Li, Yuanyang; Guo, Jin; Liu, Lisheng; Wang, Tingfeng; Tang, Wei; Jiang, Zhenhua

    2015-01-01

    The clipped speckle autocorrelation (CSA) metric is proposed for estimating the laser beam energy concentration on a remote diffuse target in a laser beam projection system with feedback information...

  17. Optimizing assessment of sexual arousal in postmenopausal women using erotic film clips.

    Science.gov (United States)

    Ramos Alarcon, Lauren G; Dai, Jing; Collins, Karen; Perez, Mindy; Woodard, Terri; Diamond, Michael P

    2017-10-01

    This study sought to assess sexual arousal in a subgroup of women by identifying erotic film clips that would be most mentally appealing and physically arousing to postmenopausal women. By measuring levels of mental appeal and self-reported physical arousal using a bidirectional scale, we aimed to elucidate the clips that would best be utilized for sexual health research in the postmenopausal or over 50-year-old subpopulation. Our results showed that postmenopausal women did not rate clips with older versus younger actors differently (p>0.05). The mean mental and mean physical scores were significantly correlated for both premenopausal subject ratings (r=0.69, pwomen do not show a preference for the age of actors used in erotic film clips; this knowledge is relevant for design of future sexual function research. Copyright © 2017 Elsevier B.V. All rights reserved.

  18. Attaching solar collectors to a structural framework utilizing a flexible clip

    Science.gov (United States)

    Kruse, John S

    2014-03-25

    Methods and apparatuses described herein provide for the attachment of solar collectors to a structural framework in a solar array assembly. A flexible clip is attached to either end of each solar collector and utilized to attach the solar collector to the structural framework. The solar collectors are positioned to allow a member of the framework to engage a pair of flexible clips attached to adjacent solar collectors during assembly of the solar array. Each flexible clip may have multiple frame-engaging portions, each with a flange on one end to cause the flexible clip to deflect inward when engaged by the framework member during assembly and to guide each of the frame-engaging portions into contact with a surface of the framework member for attachment.

  19. Playing violent video games increases intergroup bias.

    Science.gov (United States)

    Greitemeyer, Tobias

    2014-01-01

    Previous research has shown how, why, and for whom violent video game play is related to aggression and aggression-related variables. In contrast, less is known about whether some individuals are more likely than others to be the target of increased aggression after violent video game play. The present research examined the idea that the effects of violent video game play are stronger when the target is a member of an outgroup rather than an ingroup. In fact, a correlational study revealed that violent video game exposure was positively related to ethnocentrism. This relation remained significant when controlling for trait aggression. Providing causal evidence, an experimental study showed that playing a violent video game increased aggressive behavior, and that this effect was more pronounced when the target was an outgroup rather than an ingroup member. Possible mediating mechanisms are discussed.

  20. Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment

    OpenAIRE

    Carter, Bob S.; Farrell, Christopher; Owen, Christopher

    2009-01-01

    Cerebral aneurysms are abnormal widening or ballooning of a localized segment of an intracranial blood vessel. Surgical clipping is an important treatment for aneurysms which attempts to exclude blood from flowing into the aneurysmal segment of the vessel while preserving blood flow in a normal fashion. Improper clip placement may result in residual aneurysm with the potential for subsequent aneurysm rupture or partial or full occlusion of distal arteries resulting in cerebral infarction. ...

  1. [Choledochal lithiasis and stenosis secondary to the migration of a surgical clip].

    Science.gov (United States)

    Baldomà España, M; Pernas Canadell, J C; González Ceballos, S

    2014-01-01

    The migration of a clip to the common bile duct after cholecystectomy is an uncommon, usually late, complication that can lead to diverse complications like stone formation, stenosis, and obstruction in the bile duct. We present the case of a patient who presented with signs and symptoms of cholangitis due to clip migration one year after laparoscopic cholecystectomy; endoscopic retrograde cholangiopancreatography and biliary tract stent placement resolved the problem. Copyright © 2011 SERAM. Published by Elsevier Espana. All rights reserved.

  2. Hydrostatic comparison of nonpenetrating titanium clips versus conventional suture for repair of spinal durotomies.

    Science.gov (United States)

    Faulkner, Nathan D; Finn, Michael A; Anderson, Paul A

    2012-04-20

    Biomechanics. To compare the hydrostatic strength of suture and nonpenetrating titanium clip repairs of standard spinal durotomies. Dural tears are a frequent complication of spine surgery and can be associated with significant morbidity. Primary repair of durotomies with suture typically is attempted, but a true watertight closure can be difficult to obtain because of leakage through suture tracts. Nonpenetrating titanium clips have been developed for vascular anastomoses and provide a close apposition of the tissues without the creation of a suture tract. Twenty-four calf spines were prepared with laminectomies and the spinal cord was evacuated leaving an intact dura. After Foley catheters were inserted from each end and inflated adjacent to a planned dural defect, the basal flow rate was measured and a 1-cm longitudinal durotomy was made with a scalpel. Eight repairs were performed for each material, which included monofilament suture, braided suture, and nonpenetrating titanium clips. The flow rate at 30, 60, and 90 cm of water and the time needed for each closure were measured. There was no statistically significant difference in the baseline leak rate for all 3 groups. There was no difference in the leakage rate of durotomies repaired with clips and intact specimens at any pressure. Monofilament and braided suture repairs allowed significantly more leakage than both intact and clip-repaired specimens at all pressures. The difference in leak rate increased as the pressure increased. Closing the durotomy with clips took less than half the time of closure with suture. Nonpenetrating titanium clips provide a durotomy closure with immediate hydrostatic strength similar to intact dura whereas suture repair with either suture was significantly less robust. The use of titanium clips was more rapid than that of suture repair.

  3. Web Audio/Video Streaming Tool

    Science.gov (United States)

    Guruvadoo, Eranna K.

    2003-01-01

    In order to promote NASA-wide educational outreach program to educate and inform the public of space exploration, NASA, at Kennedy Space Center, is seeking efficient ways to add more contents to the web by streaming audio/video files. This project proposes a high level overview of a framework for the creation, management, and scheduling of audio/video assets over the web. To support short-term goals, the prototype of a web-based tool is designed and demonstrated to automate the process of streaming audio/video files. The tool provides web-enabled users interfaces to manage video assets, create publishable schedules of video assets for streaming, and schedule the streaming events. These operations are performed on user-defined and system-derived metadata of audio/video assets stored in a relational database while the assets reside on separate repository. The prototype tool is designed using ColdFusion 5.0.

  4. Microsurgery Simulator of Cerebral Aneurysm Clipping with Interactive Cerebral Deformation Featuring a Virtual Arachnoid.

    Science.gov (United States)

    Shono, Naoyuki; Kin, Taichi; Nomura, Seiji; Miyawaki, Satoru; Saito, Toki; Imai, Hideaki; Nakatomi, Hirofumi; Oyama, Hiroshi; Saito, Nobuhito

    2017-08-01

    A virtual reality simulator for aneurysmal clipping surgery is an attractive research target for neurosurgeons. Brain deformation is one of the most important functionalities necessary for an accurate clipping simulator and is vastly affected by the status of the supporting tissue, such as the arachnoid membrane. However, no virtual reality simulator implementing the supporting tissue of the brain has yet been developed. To develop a virtual reality clipping simulator possessing interactive brain deforming capability closely dependent on arachnoid dissection and apply it to clinical cases. Three-dimensional computer graphics models of cerebral tissue and surrounding structures were extracted from medical images. We developed a new method for modifiable cerebral tissue complex deformation by incorporating a nonmedical image-derived virtual arachnoid/trabecula in a process called multitissue integrated interactive deformation (MTIID). MTIID made it possible for cerebral tissue complexes to selectively deform at the site of dissection. Simulations for 8 cases of actual clipping surgery were performed before surgery and evaluated for their usefulness in surgical approach planning. Preoperatively, each operative field was precisely reproduced and visualized with the virtual brain retraction defined by users. The clear visualization of the optimal approach to treating the aneurysm via an appropriate arachnoid incision was possible with MTIID. A virtual clipping simulator mainly focusing on supporting tissues and less on physical properties seemed to be useful in the surgical simulation of cerebral aneurysm clipping. To our knowledge, this article is the first to report brain deformation based on supporting tissues.

  5. Prenatal Ethanol Exposure and Whisker Clipping Disrupt Ultrasonic Vocalizations and Play Behavior in Adolescent Rats

    Science.gov (United States)

    Waddell, Jaylyn; Yang, Tianqi; Ho, Eric; Wellmann, Kristen A.; Mooney, Sandra M.

    2016-01-01

    Prenatal ethanol exposure can result in social deficits in humans and animals, including altered social interaction and poor communication. Rats exposed to ethanol prenatally show reduced play fighting, and a combination of prenatal ethanol exposure and neonatal whisker clipping further reduces play fighting compared with ethanol exposure alone. In this study, we explored whether expression of hedonic ultrasonic vocalizations (USVs) correlated with the number of playful attacks by ethanol-exposed rats, rats subjected to postnatal sensory deprivation by whisker clipping or both compared to control animals. In normally developing rats, hedonic USVs precede such interactions and correlate with the number of play interactions exhibited in dyads. Pregnant Long-Evans rats were fed an ethanol-containing liquid diet or a control diet. After birth, male and female pups from each litter were randomly assigned to the whisker-clipped or non-whisker-clipped condition. Animals underwent a social interaction test with a normally developing play partner during early or late-adolescence. USVs were recorded during play. Prenatal ethanol exposure reduced both play and hedonic USVs in early adolescence compared to control rats and persistently reduced social play. Interestingly, ethanol exposure, whisker clipping and the combination abolished the significant correlation between hedonic USVs and social play detected in control rats in early adolescence. This relationship remained disrupted in late adolescence only in rats subjected to both prenatal ethanol and whisker clipping. Thus, both insults more persistently disrupted the relationship between social communication and social play. PMID:27690116

  6. The Use of Film Clips in a Viewing Time Task of Sexual Interests.

    Science.gov (United States)

    Lalumière, Martin L; Babchishin, Kelly M; Ebsworth, Megan

    2017-12-04

    Viewing time tasks using still pictures to assess age and gender sexual interests have been well validated and are commonly used. The use of film clips in a viewing time task would open up interesting possibilities for the study of sexual interest toward sexual targets or activities that are not easily captured in still pictures. We examined the validity of a viewing time task using film clips to assess sexual interest toward male and female targets, in a sample of 52 young adults. Film clips produced longer viewing times than still pictures. For both men and women, the indices derived from the film viewing time task were able to distinguish individuals who identified as homosexual (14 men, 8 women) from those who identified as heterosexual (15 men, 15 women), and provided comparable group differentiation as indices derived from a viewing time task using still pictures. Men's viewing times were more gender-specific than those of women. Viewing times to film clips were correlated with participants' ratings of sexual appeal of the same clips, and with viewing times to pictures. The results support the feasibility of a viewing time measure of sexual interest that utilizes film clips and, thus, expand the types of sexual interests that could be investigated (e.g., sadism, biastophilia).

  7. Towards patient-specific finite-element simulation of MitralClip procedure.

    Science.gov (United States)

    Mansi, T; Voigt, I; Assoumou Mengue, E; Ionasec, R; Georgescu, B; Noack, T; Seeburger, J; Comaniciu, D

    2011-01-01

    MitralClip is a novel minimally invasive procedure to treat mitral valve (MV) regurgitation. It consists in clipping the mitral leaflets together to close the regurgitant hole. A careful preoperative planning is necessary to select respondent patients and to determine the clipping sites. Although preliminary indications criteria are established, they lack prediction power with respect to complications and effectiveness of the therapy in specific patients. We propose an integrated framework for personalized simulation of MV function and apply it to simulate MitralClip procedure. A patient-specific dynamic model of the MV apparatus is computed automatically from 4D TEE images. A biomechanical model of the MV, constrained by the observed motion of the mitral annulus and papillary muscles, is employed to simulate valve closure and MitralClip intervention. The proposed integrated framework enables, for the first time, to quantitatively evaluate an MV finite-element model in-vivo, on eleven patients, and to predict the outcome of MitralClip intervention in one of these patients. The simulations are compared to ground truth and to postoperative images, resulting in promising accuracy (average point-to-mesh distance: 1.47 +/- 0.24 mm). Our framework may constitute a tool for MV therapy planning and patient management.

  8. Prenatal Ethanol Exposure and Whisker Clipping Disrupt Ultrasonic Vocalizations and Play Behavior in Adolescent Rats

    Directory of Open Access Journals (Sweden)

    Jaylyn Waddell

    2016-09-01

    Full Text Available Prenatal ethanol exposure can result in social deficits in humans and animals, including altered social interaction and poor communication. Rats exposed to ethanol prenatally show reduced play fighting, and a combination of prenatal ethanol exposure and neonatal whisker clipping further reduces play fighting compared with ethanol exposure alone. In this study, we explored whether expression of hedonic ultrasonic vocalizations (USVs correlated with the number of playful attacks by ethanol-exposed rats, rats subjected to postnatal sensory deprivation by whisker clipping or both compared to control animals. In normally developing rats, hedonic USVs precede such interactions and correlate with the number of play interactions exhibited in dyads. Pregnant Long-Evans rats were fed an ethanol-containing liquid diet or a control diet. After birth, male and female pups from each litter were randomly assigned to the whisker-clipped or non-whisker-clipped condition. Animals underwent a social interaction test with a normally developing play partner during early or late-adolescence. USVs were recorded during play. Prenatal ethanol exposure reduced both play and hedonic USVs in early adolescence compared to control rats and persistently reduced social play. Interestingly, ethanol exposure, whisker clipping and the combination abolished the significant correlation between hedonic USVs and social play detected in control rats in early adolescence. This relationship remained disrupted in late adolescence only in rats subjected to both prenatal ethanol and whisker clipping. Thus, both insults more persistently disrupted the relationship between social communication and social play.

  9. Acoustic Neuroma Educational Video

    Medline Plus

    Full Text Available ... support group for me? Find a Group Upcoming Events Video Library Photo Gallery One-on-One Support ... group for me? Find a group Back Upcoming events Video Library Photo Gallery One-on-One Support ...

  10. Videos, Podcasts and Livechats

    Medline Plus

    Full Text Available ... Doctor Find a Provider Meet the Team Blog Articles News Resources Links Videos Podcasts Webinars For the ... Doctor Find a Provider Meet the Team Blog Articles News Provider Directory Donate Resources Links Videos Podcasts ...

  11. Videos, Podcasts and Livechats

    Medline Plus

    Full Text Available ... Doctor Find a Provider Meet the Team Blog Articles & Stories News Resources Links Videos Podcasts Webinars For ... Doctor Find a Provider Meet the Team Blog Articles & Stories News Provider Directory Donate Resources Links Videos ...

  12. Acoustic Neuroma Educational Video

    Medline Plus

    Full Text Available ... Back Support Groups Is a support group for me? Find a Group Upcoming Events Video Library Photo ... Support Groups Back Is a support group for me? Find a group Back Upcoming events Video Library ...

  13. Acoustic Neuroma Educational Video

    Medline Plus

    Full Text Available ... group for me? Find a Group Upcoming Events Video Library Photo Gallery One-on-One Support ANetwork ... for me? Find a group Back Upcoming events Video Library Photo Gallery One-on-One Support Back ...

  14. Videos, Podcasts and Livechats

    Medline Plus

    Full Text Available ... the Team Blog Articles & Stories News Resources Links Videos Podcasts Webinars For the Media For Clinicians For ... Family Caregivers Glossary Menu In this section Links Videos Podcasts Webinars For the Media For Clinicians For ...

  15. Videos, Podcasts and Livechats

    Science.gov (United States)

    ... the Team Blog Articles & Stories News Resources Links Videos Podcasts Webinars For the Media For Clinicians For ... Family Caregivers Glossary Menu In this section Links Videos Podcasts Webinars For the Media For Clinicians For ...

  16. Videos, Podcasts and Livechats

    Medline Plus

    Full Text Available ... a Provider Meet the Team Blog Articles & Stories News Resources Links Videos Podcasts Webinars For the Media ... a Provider Meet the Team Blog Articles & Stories News Provider Directory Donate Resources Links Videos Podcasts Webinars ...

  17. Acoustic Neuroma Educational Video

    Medline Plus

    Full Text Available ... for me? Find a Group Upcoming Events Video Library Photo Gallery One-on-One Support ANetwork Peer ... me? Find a group Back Upcoming events Video Library Photo Gallery One-on-One Support Back ANetwork ...

  18. Video Screen Capture Basics

    Science.gov (United States)

    Dunbar, Laura

    2014-01-01

    This article is an introduction to video screen capture. Basic information of two software programs, QuickTime for Mac and BlueBerry Flashback Express for PC, are also discussed. Practical applications for video screen capture are given.

  19. Videos, Podcasts and Livechats

    Medline Plus

    Full Text Available ... News Resources Links Videos Podcasts Webinars For the Media For Clinicians For Policymakers For Family Caregivers Glossary ... this section Links Videos Podcasts Webinars For the Media For Clinicians For Policymakers For Family Caregivers Glossary ...

  20. Biochemical Analysis Reveals the Multifactorial Mechanism of Histone H3 Clipping by Chicken Liver Histone H3 Protease

    KAUST Repository

    Chauhan, Sakshi

    2016-09-02

    Proteolytic clipping of histone H3 has been identified in many organisms. Despite several studies, the mechanism of clipping, the substrate specificity, and the significance of this poorly understood epigenetic mechanism are not clear. We have previously reported histone H3 specific proteolytic clipping and a protein inhibitor in chicken liver. However, the sites of clipping are still not known very well. In this study, we attempt to identify clipping sites in histone H3 and to determine the mechanism of inhibition by stefin B protein, a cysteine protease inhibitor. By employing site-directed mutagenesis and in vitro biochemical assays, we have identified three distinct clipping sites in recombinant human histone H3 and its variants (H3.1, H3.3, and H3t). However, post-translationally modified histones isolated from chicken liver and Saccharomyces cerevisiae wild-type cells showed different clipping patterns. Clipping of histone H3 N-terminal tail at three sites occurs in a sequential manner. We have further observed that clipping sites are regulated by the structure of the N-terminal tail as well as the globular domain of histone H3. We also have identified the QVVAG region of stefin B protein to be very crucial for inhibition of the protease activity. Altogether, our comprehensive biochemical studies have revealed three distinct clipping sites in histone H3 and their regulation by the structure of histone H3, histone modifications marks, and stefin B.

  1. Biobehavioral indices of emotion regulation relate to school attitudes, motivation, and behavior problems in a low-income preschool sample.

    Science.gov (United States)

    Miller, Alison L; Seifer, Ronald; Stroud, Laura; Sheinkopf, Stephen J; Dickstein, Susan

    2006-12-01

    Effective emotion regulation may promote resilience and preschool classroom adjustment by supporting adaptive peer interactions and engagement in learning activities. We investigated how hypothalamus-pituitary-adrenal axis (HPA) regulation, cardiac reactivity, and classroom emotion displays related to adjustment among low-income preschoolers attending Head Start. A total of 62 four-year-olds completed a laboratory session including a baseline soothing video; emotion-eliciting slides/video clips, and recovery. Salivary cortisol, heart rate, and vagal tone were measured throughout. Independent coders used handheld computers to observe classroom emotion expression/regulation. Teachers rated child motivation, persistence/attention, learning attitudes, and internalizing/externalizing symptoms. Results reveal associations between biobehavioral markers of regulatory capacity and early school adjustment.

  2. Music Videos: On Reality and Representation.

    Science.gov (United States)

    Tee, Ernie

    Music videos from the past few years have become a prominent phenomenon in our culture. They are critically compared by a small or large section of the public with the structures of, and relations within, social reality. These videos are considered to portray real situations that are, according to the standards of western culture, severely…

  3. 4-H Science Inquiry Video Series

    Science.gov (United States)

    Green, Jeremy W.; Black, Lynette; Willis, Patrick

    2013-01-01

    Studies support science inquiry as a positive method and approach for 4-H professionals and volunteers to use for teaching science-based practices to youth. The development of a science inquiry video series has yielded positive results as it relates to youth development education and science. The video series highlights how to conduct science-rich…

  4. 3D Video Compression and Transmission

    DEFF Research Database (Denmark)

    Zamarin, Marco; Forchhammer, Søren

    In this short paper we provide a brief introduction to 3D and multi-view video technologies - like three-dimensional television and free-viewpoint video - focusing on the aspects related to data compression and transmission. Geometric information represented by depth maps is introduced as well...

  5. User Intent in Online Video Search

    NARCIS (Netherlands)

    Kofler, C.

    2015-01-01

    Over the recent years, user expectations of the ability of video search engines have significantly risen. Users expect video search engines to be useful as an instrument that facilitates communication, education, entertainment and problem solving and, in relation to this, to satisfy diverse

  6. Making good physics videos

    Science.gov (United States)

    Lincoln, James

    2017-05-01

    Online videos are an increasingly important way technology is contributing to the improvement of physics teaching. Students and teachers have begun to rely on online videos to provide them with content knowledge and instructional strategies. Online audiences are expecting greater production value, and departments are sometimes requesting educators to post video pre-labs or to flip our classrooms. In this article, I share my advice on creating engaging physics videos.

  7. Desktop video conferencing

    OpenAIRE

    Potter, Ray; Roberts, Deborah

    2007-01-01

    This guide aims to provide an introduction to Desktop Video Conferencing. You may be familiar with video conferencing, where participants typically book a designated conference room and communicate with another group in a similar room on another site via a large screen display. Desktop video conferencing (DVC), as the name suggests, allows users to video conference from the comfort of their own office, workplace or home via a desktop/laptop Personal Computer. DVC provides live audio and visua...

  8. 47 CFR 79.3 - Video description of video programming.

    Science.gov (United States)

    2010-10-01

    ... 47 Telecommunication 4 2010-10-01 2010-10-01 false Video description of video programming. 79.3... CLOSED CAPTIONING AND VIDEO DESCRIPTION OF VIDEO PROGRAMMING § 79.3 Video description of video programming. (a) Definitions. For purposes of this section the following definitions shall apply: (1...

  9. Video Self-Modeling

    Science.gov (United States)

    Buggey, Tom; Ogle, Lindsey

    2012-01-01

    Video self-modeling (VSM) first appeared on the psychology and education stage in the early 1970s. The practical applications of VSM were limited by lack of access to tools for editing video, which is necessary for almost all self-modeling videos. Thus, VSM remained in the research domain until the advent of camcorders and VCR/DVD players and,…

  10. Tracing Sequential Video Production

    DEFF Research Database (Denmark)

    Otrel-Cass, Kathrin; Khalid, Md. Saifuddin

    2015-01-01

    With an interest in learning that is set in collaborative situations, the data session presents excerpts from video data produced by two of fifteen students from a class of 5th semester techno-anthropology course. Students used video cameras to capture the time they spent working with a scientist...... video, nature of the interactional space, and material and spatial semiotics....

  11. Developing a Promotional Video

    Science.gov (United States)

    Epley, Hannah K.

    2014-01-01

    There is a need for Extension professionals to show clientele the benefits of their program. This article shares how promotional videos are one way of reaching audiences online. An example is given on how a promotional video has been used and developed using iMovie software. Tips are offered for how professionals can create a promotional video and…

  12. The "Mozart effect": an electroencephalographic analysis employing the methods of induced event-related desynchronization/synchronization and event-related coherence.

    Science.gov (United States)

    Jausovec, Norbert; Habe, Katarina

    2003-01-01

    The event-related responses of 18 individuals were recorded while they were listening to 3 music clips of 6 s duration which were repeated 30 times each. The music clips differed in the level of their complex structure, induced mood, musical tempo and prominent frequency. They were taken from Mozart's sonata (K. 448), and Brahms' Hungarian dance (no. 5). The third clip was a simplified version of the theme taken from Haydn's symphony (no. 94) played by a computer synthesizer. Significant differences in induced event-related desynchronization between the 3 music clips were only observed in the lower-1 alpha band which is related to attentional processes. A similar pattern was observed for the coherence measures. While respondents listened to the Mozart clip, coherence in the lower alpha bands increased more, whereas in the gamma band a less pronounced increase was observed as compared with the Brahms and Haydn clips. The clustering of the three clips based on EEG measures distinguished between the Mozart clip on the one hand, and the Haydn and Brahms clips on the other, even though the Haydn and Brahms clips were at the opposite extremes with regard to the mood they induced in listeners, musical tempo, and complexity of structure. This would suggest that Mozart's music--with no regard to the level of induced mood, musical tempo and complexity--influences the level of arousal. It seems that modulations in the frequency domain of Mozart's sonata have the greatest influence on the reported neurophysiological activity.

  13. Psychosocial Variables Related to the Adoption of Video Relay Services among Deaf or Hard-of-Hearing Employees at the Texas School for the Deaf

    Science.gov (United States)

    Saladin, Shawn P.; Hansmann, Sandra E.

    2008-01-01

    Assistive technology (AT) can help individuals with disabilities address a range of barriers and increase community and work participation, yet many devices are abandoned soon after acquisition. Video Relay Service (VRS) is a new communication technology available to people who are deaf or hard of hearing, but little is known about VRS adoption…

  14. Over the hill at 24: persistent age-related cognitive-motor decline in reaction times in an ecologically valid video game task begins in early adulthood

    National Research Council Canada - National Science Library

    Thompson, Joseph J; Blair, Mark R; Henrey, Andrew J

    2014-01-01

    ... and adulthood in a complex real world task, the real-time strategy video game StarCraft 2. In this paper we analyze the influence of age on performance using a dataset of 3,305 players, aged 16-44, collected by Thompson, Blair, Chen & Henrey [1...

  15. Compact video synopsis via global spatiotemporal optimization.

    Science.gov (United States)

    Nie, Yongwei; Xiao, Chunxia; Sun, Hanqiu; Li, Ping

    2013-10-01

    Video synopsis aims at providing condensed representations of video data sets that can be easily captured from digital cameras nowadays, especially for daily surveillance videos. Previous work in video synopsis usually moves active objects along the time axis, which inevitably causes collisions among the moving objects if compressed much. In this paper, we propose a novel approach for compact video synopsis using a unified spatiotemporal optimization. Our approach globally shifts moving objects in both spatial and temporal domains, which shifting objects temporally to reduce the length of the video and shifting colliding objects spatially to avoid visible collision artifacts. Furthermore, using a multilevel patch relocation (MPR) method, the moving space of the original video is expanded into a compact background based on environmental content to fit with the shifted objects. The shifted objects are finally composited with the expanded moving space to obtain the high-quality video synopsis, which is more condensed while remaining free of collision artifacts. Our experimental results have shown that the compact video synopsis we produced can be browsed quickly, preserves relative spatiotemporal relationships, and avoids motion collisions.

  16. Privacy-protecting video surveillance

    Science.gov (United States)

    Wickramasuriya, Jehan; Alhazzazi, Mohanned; Datt, Mahesh; Mehrotra, Sharad; Venkatasubramanian, Nalini

    2005-02-01

    Forms of surveillance are very quickly becoming an integral part of crime control policy, crisis management, social control theory and community consciousness. In turn, it has been used as a simple and effective solution to many of these problems. However, privacy-related concerns have been expressed over the development and deployment of this technology. Used properly, video cameras help expose wrongdoing but typically come at the cost of privacy to those not involved in any maleficent activity. This work describes the design and implementation of a real-time, privacy-protecting video surveillance infrastructure that fuses additional sensor information (e.g. Radio-frequency Identification) with video streams and an access control framework in order to make decisions about how and when to display the individuals under surveillance. This video surveillance system is a particular instance of a more general paradigm of privacy-protecting data collection. In this paper we describe in detail the video processing techniques used in order to achieve real-time tracking of users in pervasive spaces while utilizing the additional sensor data provided by various instrumented sensors. In particular, we discuss background modeling techniques, object tracking and implementation techniques that pertain to the overall development of this system.

  17. Online scene change detection of multicast (MBone) video

    Science.gov (United States)

    Zhou, Wensheng; Shen, Ye; Vellaikal, Asha; Kuo, C.-C. Jay

    1998-10-01

    Many multimedia applications, such as multimedia data management systems and communication systems, require efficient representation of multimedia content. Thus semantic interpretation of video content has been a popular research area. Currently, most content-based video representation involves the segmentation of video based on key frames which are generated using scene change detection techniques as well as camera/object motion. Then, video features can be extracted from key frames. However most of such research performs off-line video processing in which the whole video scope is known as a priori which allows multiple scans of the stored video files during video processing. In comparison, relatively not much research has been done in the area of on-line video processing, which is crucial in video communication applications such as on-line collaboration, news broadcasts and so on. Our research investigates on-line real-time scene change detection of multicast video over the Internet. Our on-line processing system are designed to meet the requirements of real-time video multicasting over the Internet and to utilize the successful video parsing techniques available today. The proposed algorithms extract key frames from video bitstreams sent through the MBone network, and the extracted key frames are multicasted as annotations or metadata over a separate channel to assist in content filtering such as those anticipated to be in use by on-line filtering proxies in the Internet. The performance of the proposed algorithms are demonstrated and discussed in this paper.

  18. Detectors for scanning video imagers

    Science.gov (United States)

    Webb, Robert H.; Hughes, George W.

    1993-11-01

    In scanning video imagers, a single detector sees each pixel for only 100 ns, so the bandwidth of the detector needs to be about 10 MHz. How this fact influences the choice of detectors for scanning systems is described here. Some important parametric quantities obtained from manufacturer specifications are related and it is shown how to compare detectors when specified quantities differ.

  19. Nonvariceal Upper Gastrointestinal Bleeding: the Usefulness of Rotational Angiography after Endoscopic Marking with a Metallic Clip

    Energy Technology Data Exchange (ETDEWEB)

    Song, Ji Soo; Kwak, Hyo Sung; Chung, Gyung Ho [Chonbuk National University Medical School, Chonju (Korea, Republic of)

    2011-08-15

    We wanted to assess the usefulness of rotational angiography after endoscopic marking with a metallic clip in upper gastrointestinal bleeding patients with no extravasation of contrast medium on conventional angiography. In 16 patients (mean age, 59.4 years) with acute bleeding ulcers (13 gastric ulcers, 2 duodenal ulcers, 1 malignant ulcer), a metallic clip was placed via gastroscopy and this had been preceded by routine endoscopic treatment. The metallic clip was placed in the fibrous edge of the ulcer adjacent to the bleeding point. All patients had negative results from their angiographic studies. To localize the bleeding focus, rotational angiography and high pressure angiography as close as possible to the clip were used. Of the 16 patients, seven (44%) had positive results after high pressure angiography as close as possible to the clip and they underwent transcatheter arterial embolization (TAE) with microcoils. Nine patients without extravasation of contrast medium underwent TAE with microcoils as close as possible to the clip. The bleeding was stopped initially in all patients after treatment of the feeding artery. Two patients experienced a repeat episode of bleeding two days later. Of the two patients, one had subtle oozing from the ulcer margin and that patient underwent endoscopic treatment. One patient with malignant ulcer died due to disseminated intravascular coagulation one month after embolization. Complete clinical success was achieved in 14 of 16 (88%) patients. Delayed bleeding or major/minor complications were not noted. Rotational angiography after marking with a metallic clip helps to localize accurately the bleeding focus and thus to embolize the vessel correctly.

  20. Intramolecular circularization increases efficiency of RNA sequencing and enables CLIP-Seq of nuclear RNA from human cells

    Science.gov (United States)

    Chu, Yongjun; Wang, Tao; Dodd, David; Xie, Yang; Janowski, Bethany A.; Corey, David R.

    2015-01-01

    RNA sequencing (RNA-Seq) is a powerful tool for analyzing the identity of cellular RNAs but is often limited by the amount of material available for analysis. In spite of extensive efforts employing existing protocols, we observed that it was not possible to obtain useful sequencing libraries from nuclear RNA derived from cultured human cells after crosslinking and immunoprecipitation (CLIP). Here, we report a method for obtaining strand-specific small RNA libraries for RNA sequencing that requires picograms of RNA. We employ an intramolecular circularization step that increases the efficiency of library preparation and avoids the need for intermolecular ligations of adaptor sequences. Other key features include random priming for full-length cDNA synthesis and gel-free library purification. Using our method, we generated CLIP-Seq libraries from nuclear RNA that had been UV-crosslinked and immunoprecipitated with anti-Argonaute 2 (Ago2) antibody. Computational protocols were developed to enable analysis of raw sequencing data and we observe substantial differences between recognition by Ago2 of RNA species in the nucleus relative to the cytoplasm. This RNA self-circularization approach to RNA sequencing (RC-Seq) allows data to be obtained using small amounts of input RNA that cannot be sequenced by standard methods. PMID:25813040