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https://www.readbyqxmd.com/read/29240837/the-impact-of-self-avatars-on-trust-and-collaboration-in-shared-virtual-environments
#1
Ye Pan, Anthony Steed
A self-avatar is known to have a potentially significant impact on the user's experience of the immersive content but it can also affect how users interact with each other in a shared virtual environment (SVE). We implemented an SVE for a consumer virtual reality system where each user's body could be represented by a jointed self-avatar that was dynamically controlled by head and hand controllers. We investigated the impact of a self-avatar on collaborative outcomes such as completion time and trust formation during competitive and cooperative tasks...
2017: PloS One
https://www.readbyqxmd.com/read/29222631/an-advanced-simulator-for-orthopedic-surgical-training
#2
J Cecil, Avinash Gupta, Miguel Pirela-Cruz
PURPOSE: The purpose of creating the virtual reality (VR) simulator is to facilitate and supplement the training opportunities provided to orthopedic residents. The use of VR simulators has increased rapidly in the field of medical surgery for training purposes. This paper discusses the creation of the virtual surgical environment (VSE) for training residents in an orthopedic surgical process called less invasive stabilization system (LISS) surgery which is used to address fractures of the femur...
December 8, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/29218901/using-simulation-and-optimization-approach-to-improve-outcome-through-warfarin-precision-treatment
#3
Chih-Lin Chi, Lu He, Kourosh Ravvaz, John Weissert, Peter J Tonellato
We apply a treatment simulation and optimization approach to develop decision support guidance for warfarin precision treatment plans. Simulation include the use of ∼1,500,000 clinical avatars (simulated patients) generated by an integrated data-driven and domain-knowledge based Bayesian Network Modeling approach. Subsequently, we simulate 30-day individual patient response to warfarin treatment of five clinical and genetic treatment plans followed by both individual and subpopulation based optimization. Sub-population optimization (compared to individual optimization) provides a cost effective and realistic means of implementation of a precision-driven treatment plan in practical settings...
2018: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/29211508/exploring-stereotypical-perceptions-of-female-players-in-digital-gaming-contexts
#4
Linda K Kaye, Claire E Gresty, Natasha Stubbs-Ennis
Gender stereotypes are still reported to exist in digital gaming contexts, despite the fact that participation of females is relatively equal to that of males. The current research explored a number of factors and their impact upon stereotypical perceptions and attitudes toward female players. This included avatar gender, gender identity by gaming context, as well as more general gender-role beliefs. We undertook two studies, each utilizing an online questionnaire targeted toward online players. Study 1 recruited online gamers (N = 489) and compared competence perceptions of players, which varied by player gender (male, female) and avatar gender (male, female), whereby four conditions were established...
December 6, 2017: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/29209193/human-avatar-symbiosis-for-the-treatment-of-auditory-verbal-hallucinations-in-schizophrenia-through-virtual-augmented-reality-and-brain-computer-interfaces
#5
Antonio Fernández-Caballero, Elena Navarro, Patricia Fernández-Sotos, Pascual González, Jorge J Ricarte, José M Latorre, Roberto Rodriguez-Jimenez
This perspective paper faces the future of alternative treatments that take advantage of a social and cognitive approach with regards to pharmacological therapy of auditory verbal hallucinations (AVH) in patients with schizophrenia. AVH are the perception of voices in the absence of auditory stimulation and represents a severe mental health symptom. Virtual/augmented reality (VR/AR) and brain computer interfaces (BCI) are technologies that are growing more and more in different medical and psychological applications...
2017: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/29207792/clinical-evaluation-of-efficacy-and-performance-of-all-poly-tibial-freedom%C3%A2-total-knee-system-for-treating-osteoarthritis-patients-three-year-follow-up-study
#6
Avatar Singh, Kanwar Kulwinder Singh
Introduction: Advancement in technology in terms of design and building materials has made Total Knee Replacement (TKR) a highly effective, safe, and predictable orthopedic procedure. Aim: To review the clinical outcomes for efficacy and performance of Freedom Total Knee System for the management of Osteoarthritis (OA), at a minimum of three years follow up. Materials and Methods: For this retrospective, post-marketing study, clinical data of patients treated with Freedom Total Knee System was retrieved from the clinical records after approval from the Institutional Ethics Committee ...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29198733/virtual-medicine-utilization-of-the-advanced-cardiac-imaging-patient-avatar-for-procedural-planning-and-facilitation
#7
REVIEW
Jerold S Shinbane, Leslie A Saxon
Advances in imaging technology have led to a paradigm shift from planning of cardiovascular procedures and surgeries requiring the actual patient in a "brick and mortar" hospital to utilization of the digitalized patient in the virtual hospital. Cardiovascular computed tomographic angiography (CCTA) and cardiovascular magnetic resonance (CMR) digitalized 3-D patient representation of individual patient anatomy and physiology serves as an avatar allowing for virtual delineation of the most optimal approaches to cardiovascular procedures and surgeries prior to actual hospitalization...
November 16, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29196281/the-use-of-avatar-counseling-for-hiv-aids-health-education-the-examination-of-self-identity-in-avatar-preferences
#8
Shantrel Canidate, Mark Hart
BACKGROUND: The number of adults using the Internet to obtain health information is on the rise. An estimated 66% of the adults reportedly use the Internet to obtain health information related to a specific disease (ie, human immunodeficiency virus and acquired immunodeficiency syndrome, HIV/AIDS). Previous research has demonstrated that health information seekers use the Internet to seek answers to stigma-laden questions from health avatars. OBJECTIVE: The objective of this study was to identify patterns in the choice of avatar among health information seekers (patients or public health workers) using the Internet to obtain HIV/AIDS information and to describe the demographic characteristics (age, gender, and ethnicity) of health information seekers to determine whether they preferred an avatar that was similar to their own gender and ethnicity...
December 1, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29175276/avatar-therapy-for-auditory-verbal-hallucinations-in-people-with-psychosis-a-single-blind-randomised-controlled-trial
#9
Tom Kj Craig, Mar Rus-Calafell, Thomas Ward, Julian P Leff, Mark Huckvale, Elizabeth Howarth, Richard Emsley, Philippa A Garety
BACKGROUND: A quarter of people with psychotic conditions experience persistent auditory verbal hallucinations, despite treatment. AVATAR therapy is a new approach in which people who hear voices have a dialogue with a digital representation (avatar) of their presumed persecutor, voiced by the therapist so that the avatar responds by becoming less hostile and concedes power over the course of therapy. We aimed to investigate the effect of AVATAR therapy on auditory verbal hallucinations, compared with a supportive counselling control condition...
November 23, 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/29175275/understanding-avatar-therapy-who-or-what-is-changing
#10
Ben Alderson-Day, Nev Jones
No abstract text is available yet for this article.
November 23, 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/29170245/avatar-therapy-reduces-auditory-hallucinations-in-schizophrenia-trial-finds
#11
Susan Mayor
No abstract text is available yet for this article.
November 23, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29165801/sex-and-rank-affect-how-infant-rhesus-macaques-look-at-faces
#12
Annika Paukner, Emily M Slonecker, Ashley M Murphy, Lauren J Wooddell, Amanda M Dettmer
We investigated how differences in infant sex and mothers' dominance status affect infant rhesus macaques' (Macaca mulatta) interest in visually exploring emotional facial expressions. Thirty-eight infants were presented with animated avatars of macaque facial expressions during the first month of life. Sons of high-ranking mothers looked more at faces, especially the eye region, than sons of low-ranking mothers, but no difference in looking duration was found for daughters. Males looked significantly more at eyes than females, but this effect was reversed in infants who were reared without mothers in a primate nursery facility...
November 22, 2017: Developmental Psychobiology
https://www.readbyqxmd.com/read/29157283/the-mouse-viral-outgrowth-assay-avatars-for-the-detection-of-hiv-1-reservoirs
#13
REVIEW
Kelly A Metcalf Pate, Joel N Blankson
Sensitive assays are needed for the detection of residual viral reservoirs in HIV-1-infected subjects on suppressive combination antiretroviral therapy regimens to determine whether eradication strategies are effective. Mouse viral outgrowth assays have recently been developed and have the potential to be more sensitive than traditional in vitro quantitative viral outgrowth assays. In this article we describe these assays and review several studies that have used them to measure the latent reservoir.
November 21, 2017: Retrovirology
https://www.readbyqxmd.com/read/29154954/the-impact-of-social-exclusion-on-anticipatory-attentional-processing
#14
John E Kiat, Jacob E Cheadle, Bridget J Goosby
The importance of understanding how we anticipate and prepare for social rejection is underscored by the mental and physical toll of continual social vigilance. In this study, we investigate the impact of social rejection on anticipatory attentional processes using the well-known Cyberball task, a paradigm in which participants engage in a game of catch with virtual avatars who after an initial period of fair-play (inclusion condition) then exclude the participant from the game (exclusion condition). The degree of anticipatory attention allocated by subjects towards the avatars was assessed by measuring P3b responses towards the avatars' preparatory actions (i...
November 15, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/29152486/avatars-to-personalized-medicine-of-mice-and-men
#15
EDITORIAL
Matthias Ilmer, Michael Berger
No abstract text is available yet for this article.
October 2017: Hepatobiliary Surgery and Nutrition
https://www.readbyqxmd.com/read/29150646/body-size-estimation-in-women-with-anorexia-nervosa-and-healthy-controls-using-3d-avatars
#16
Katri K Cornelissen, Kristofor McCarty, Piers L Cornelissen, Martin J Tovée
A core feature of anorexia nervosa is an over-estimation of body size. However, quantifying this over-estimation has been problematic as existing methodologies introduce a series of artefacts and inaccuracies in the stimuli used for judgements of body size. To overcome these problems, we have: (i) taken 3D scans of 15 women who have symptoms of anorexia (referred to henceforth as anorexia spectrum disorders, ANSD) and 15 healthy control women, (ii) used a 3D modelling package to build avatars from the scans, (iii) manipulated the body shapes of these avatars to reflect biometrically accurate, continuous changes in body mass index (BMI), (iv) used these personalized avatars as stimuli to allow the women to estimate their body size...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29147922/the-effect-of-head-to-head-competition-on-behavioural-thermoregulation-thermophysiological-strain-and-performance-during-exercise-in-the-heat
#17
Jo Corbett, Danny K White, Martin J Barwood, Christopher R D Wagstaff, Michael J Tipton, Terry McMorris, Joseph T Costello
BACKGROUND: It has been suggested that pacing is a thermoregulatory behaviour. We investigated the effect of competition on pacing, performance and thermophysiological strain during exercise in the heat and the psychological factors mediating competition effects. METHOD: Eighteen males (maximum oxygen uptake [V O 2max] 3.69 [0.44] L min(-1)) undertook a preliminary 20-km cool (wet-bulb globe temperature [WBGT] 12 °C) cycling time trial (TT) and three experimental 20-km trials (balanced order): (i) cool TT (CoolSolo); (ii) hot (WBGT 26 °C) TT (HotSolo); (iii) hot head-to-head competition (HotH2H)...
November 17, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29146376/wronger-than-wrong-graded-mapping-of-the-errors-of-an-avatar-in-the-performance-monitoring-system-of-the-onlooker
#18
G Spinelli, G Tieri, E F Pavone, S M Aglioti
EEG studies show that observing errors in one's own or others' actions triggers specific electro-cortical signatures in the onlooker's brain, but whether the brain error-monitoring system operates according to graded or discrete rules is still largely unknown. To explore this issue, we combined immersive virtual reality with EEG recording in participants who observed an avatar reaching-to-grasp a glass from a first-person perspective. The avatar could perform correct or erroneous actions. Erroneous grasps were defined as small or large depending on the magnitude of the trajectory deviation from the to-be-grasped glass...
November 13, 2017: NeuroImage
https://www.readbyqxmd.com/read/29140533/come-together-human-avatar-on-line-interactions-boost-joint-action-performance-in-apraxic-patients
#19
Matteo Candidi, Lucia M Sacheli, Vanessa Era, Loredana Canzano, Gaetano Tieri, Salvatore M Aglioti
Limb apraxia (LA) is a high-order motor disorder linked to left-hemisphere damage. It is characterized by defective execution of purposeful actions upon delayed imitation, or verbal command when the actions are performed in isolated, non-naturalistic, conditions. Whether interpersonal interactions provide social affordances that activate neural resources different from those requested by individual action execution, which may improve LA performance, is unknown. To fill this gap, we measured interaction performance, behavioral and kinematic indexes of left-brain damaged patients with/without LA in a social reach-to-grasp task involving two different degrees of spatio-temporal interactivity with an avatar...
November 1, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/29123516/avidity-and-bystander-suppressive-capacity-of-human-regulatory-t-cells-expressing-de-novo-autoreactive-t-cell-receptors-in-type-1-diabetes
#20
Wen-I Yeh, Howard R Seay, Brittney Newby, Amanda L Posgai, Filipa Botelho Moniz, Aaron Michels, Clayton E Mathews, Jeffrey A Bluestone, Todd M Brusko
The ability to alter antigen specificity by T-cell receptor (TCR) or chimeric antigen receptor (CAR) gene transfer has facilitated personalized cellular immune therapies in cancer. Inversely, this approach can be harnessed in autoimmune settings to attenuate inflammation by redirecting the specificity of regulatory T cells (Tregs). Herein, we demonstrate efficient protocols for lentiviral gene transfer of TCRs that recognize type 1 diabetes-related autoantigens with the goal of tissue-targeted induction of antigen-specific tolerance to halt β-cell destruction...
2017: Frontiers in Immunology
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