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Sense of Ownership

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https://www.readbyqxmd.com/read/28103541/playing-with-senses-in-vr-alternate-perceptions-combining-vision-and-touch
#1
Anatole Lecuyer
Virtual reality is an immersive experience based on computer-generated stimulations perceived with multiple sensory channels. It is possible to manipulate these sensory stimulations independently and create conflicting situations in which, for instance, vision and touch are spatially and/or temporally inconsistent. This article discusses how to exploit these ambiguous sensorial situations to generate new kinds of percept using three types of examples: pseudo-haptic effects, self-motion sensations, and body-ownership illusions...
January 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28080303/the-development-of-a-cross-modal-sense-of-body-ownership
#2
Elena Nava, Nadia Bolognini, Chiara Turati
In this study, we investigated the contribution of tactile and proprioceptive cues to the development of the sense of body ownership by testing the susceptibility of 4- to 5-year-old children, 8- to 9-year-old children, and adults to the somatic rubber-hand illusion (SRHI). We found that feelings of owning a rubber hand in the SHRI paradigm, as assessed by explicit reports (i.e., questionnaire), are already present by age 4 and do not change throughout development. In contrast, the effect of the illusion on the sense of hand position, as assessed by a pointing task, was present only in 8- to 9-year-old children and adults; the magnitude of such capture increased with age...
January 1, 2017: Psychological Science
https://www.readbyqxmd.com/read/28078099/aligning-the-planets-the-role-of-nurses-in-the-care-of-patients-with-non-st-elevation-myocardial-infarction
#3
Christi Deaton, Rachel Johnson, Maggie Evans, Adam Timmis, Justin Zaman, Harry Hemingway, Jacqueline Hughes, Gene Feder, Helen Cramer
BACKGROUND: Studies have shown variation in care for patients with non-ST elevation myocardial infarction (NSTEMI), including in the roles of specialist and advanced practice nurses in diagnosis, treatment and coordination of care. AIM: The aim of this study was to describe the roles and responsibilities of specialist and advanced practice nurses in providing care for patients with NSTEMI. METHODS: Secondary analysis of observational field notes and interviews from an ethnographic study of variation in care for NSTEMI patients in 10 UK hospitals conducted 2011-2012...
January 2017: Nursing Open
https://www.readbyqxmd.com/read/28077329/body-schema-plasticity-after-stroke-subjective-and-neurophysiological-correlates-of-the-rubber-hand-illusion
#4
Roberto Llorens, Adrián Borrego, Priscila Palomo, Ausiàs Cebolla, Enrique Noé, Sergi Bermúdez I Badia, Rosa Baños
Stroke can lead to motor impairments that can affect the body structure and restraint mobility. We hypothesize that brain lesions and their motor sequelae can distort the body schema, a sensorimotor map of body parts and elements in the peripersonal space through which human beings embody the reachable space and ready the body for forthcoming movements. Two main constructs have been identified in the embodiment mechanism: body-ownership, the sense that the body that one inhabits is his/her own, and agency, the sense that one can move and control his/her body...
February 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28053026/self-grounded-vision-hand-ownership-modulates-visual-location-through-cortical-%C3%AE-and-%C3%AE-oscillations
#5
Nathan Faivre, Jonathan Dönz, Michele Scandola, Herberto Dhanis, Javier Bello Ruiz, Fosco Bernasconi, Roy Salomon, Olaf Blanke
: Vision is known to be shaped by context, defined by environmental and bodily signals. In the Taylor illusion, the size of an afterimage projected on one's hand changes according to proprioceptive signals conveying hand position. Here, we assessed whether the Taylor illusion does not just depend on the physical hand position, but also on bodily self-consciousness as quantified through illusory hand ownership. Relying on the somatic rubber hand illusion, we manipulated hand ownership, such that participants embodied a rubber hand placed next to their own hand...
January 4, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28041532/laterality-and-body-ownership-effect-of-handedness-on-experience-of-the-rubber-hand-illusion
#6
M Smit, D I Kooistra, I J M van der Ham, H C Dijkerman
Body ownership has mainly been linked to the right hemisphere and larger interhemispheric connectivity has been shown to be associated with greater right hemispheric activation. Mixed-handed participants tend to have more interhemispheric connectivity compared to extreme handed participants. The aim of this study was to examine whether feelings of ownership as assessed with the rubber hand illusion (RHI) are differentiated by handedness and differed between the left and right hand. Sinistrals-, dextrals-, and mixed-handed individuals (n = 63) were subjected to the RHI...
January 2, 2017: Laterality
https://www.readbyqxmd.com/read/28011812/impact-of-self-funding-on-patient-experience-of-oral-anticoagulation-self-monitoring-a-qualitative-study
#7
Alice Tompson, Carl Heneghan, Stephen Sutton, David Fitzmaurice, Alison Ward
OBJECTIVE: To explore the impact self-funding has on patient experience of oral anticoagulation therapy self-monitoring. DESIGN: Semistructured, qualitative interviews were conducted. Transcripts were analysed thematically using constant comparison. SETTING: England. PARTICIPANTS: Interviewees were participants of the Cohort Study of Anticoagulation Self-Monitoring (CASM). Cohort members were recruited as they bought a monitor from the major manufacturer in the UK...
December 23, 2016: BMJ Open
https://www.readbyqxmd.com/read/27994147/ownership-of-an-artificial-limb-induced-by-electrical-brain-stimulation
#8
Kelly L Collins, Arvid Guterstam, Jeneva Cronin, Jared D Olson, H Henrik Ehrsson, Jeffrey G Ojemann
Replacing the function of a missing or paralyzed limb with a prosthetic device that acts and feels like one's own limb is a major goal in applied neuroscience. Recent studies in nonhuman primates have shown that motor control and sensory feedback can be achieved by connecting sensors in a robotic arm to electrodes implanted in the brain. However, it remains unknown whether electrical brain stimulation can be used to create a sense of ownership of an artificial limb. In this study on two human subjects, we show that ownership of an artificial hand can be induced via the electrical stimulation of the hand section of the somatosensory (SI) cortex in synchrony with touches applied to a rubber hand...
January 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27986231/building-a-sustainable-global-surgical-program-in-an-academic-department-of-surgery
#9
Linda P Zhang, Daniel Silverberg, Celia M Divino, Michael Marin
BACKGROUND: Global surgery and volunteerism in surgery has gained significant interest in recent years for general surgery residents across the country. However, there are few well-established long-term surgical programs affiliated with academic institutions. The present report discusses the implementation process and challenges facing an academic institution in building a long-term sustainable global surgery program. METHODS: As one of the pioneer programs in global surgery for residents, the Icahn School of Medicine at Mount Sinai global surgery rotation has been successfully running for the last 10 years in a small public hospital in the Dominican Republic...
July 2016: Annals of Global Health
https://www.readbyqxmd.com/read/27909019/collaborative-learning-in-higher-education-evoking-positive-interdependence
#10
Karin Scager, Johannes Boonstra, Ton Peeters, Jonne Vulperhorst, Fred Wiegant
Collaborative learning is a widely used instructional method, but the learning potential of this instructional method is often underused in practice. Therefore, the importance of various factors underlying effective collaborative learning should be determined. In the current study, five different life sciences undergraduate courses with successful collaborative-learning results were selected. This study focuses on factors that increased the effectiveness of collaboration in these courses, according to the students...
December 0: CBE Life Sciences Education
https://www.readbyqxmd.com/read/27889296/donor-and-recipient-views-on-their-relationship-in-living-kidney-donation-thematic-synthesis-of-qualitative-studies
#11
Angelique F Ralph, Phyllis Butow, Camilla S Hanson, Steve J Chadban, Jeremy R Chapman, Jonathan C Craig, John Kanellis, Grant Luxton, Allison Tong
BACKGROUND: Many donors and recipients report an improved relationship after transplantation; however, tension, neglect, guilt, and proprietorial concern over the recipient can impede donor and recipient well-being and outcomes. We aimed to describe donor and recipient expectations and experiences of their relationship in the context of living kidney donation. STUDY DESIGN: Thematic synthesis of qualitative studies. SETTING & POPULATION: Living kidney donors and recipients...
November 23, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27880880/heartfelt-embodiment-changes-in-body-ownership-and-self-identification-produce-distinct-changes-in-interoceptive-accuracy
#12
Maria L Filippetti, Manos Tsakiris
Interoceptive and exteroceptive information are both essential for the construction and update of self-awareness. Whereas several studies have shown how interoceptive accuracy or cardiac feedback influences body-awareness, no studies have looked at the reverse effect, namely how exteroceptively-driven changes in body-ownership and self-identification can influence individuals' ability to detect internal bodily signals. We exposed participants to the Rubber Hand Illusion (Experiment 1) and to the Enfacement Illusion (Experiment 2), and tested how this change in the sense of body-ownership and self-identification affected their interoceptive accuracy (IAcc)...
February 2017: Cognition
https://www.readbyqxmd.com/read/27852826/what-can-secondary-school-students-teach-educators-and-school-nurses-about-student-engagement-in-health-promotion-a-scoping-review
#13
Amy J Beck, Sandra M Reilly
Student engagement represents a critical component of a comprehensive school health (CSH) approach to health promotion. Nevertheless, questions remain about its implementation. This scoping review updates the field of student engagement in health promotion. Of the 1,388 located articles, 14 qualify for inclusion in this study. An analysis reveals four themes. CSH programs that incorporate student engagement promote a sense of belonging to a community, encourage meaningful involvement, give voice to student concerns, and advance supportive relationships...
November 16, 2016: Journal of School Nursing: the Official Publication of the National Association of School Nurses
https://www.readbyqxmd.com/read/27847924/the-sense-of-body-ownership-in-schizophrenia-research-in-the-rubber-hand-illusion-paradigm
#14
Beata Mirucka
OBJECTIVES: The aim of the research was to explore the susceptibility to disturbances in one's sense of body ownership induced in patients with schizophrenia. The research questions were: 1) Is Rubber Hand Illusion (RHI) significantly more intense in a group of patients with schizophrenia than in a group of patients without a diagnosed mental illness? 2) Is there a correlation between disturbances in the sense of body ownership and the personality organization level, reflected in defense mechanisms? 3) Do the disturbances in the sense of body ownership correlate with the most common defense mechanisms? METHODS: 64 people took part in the study, including 31 patients with diagnosed schizophrenia, according to ICD-10 (93...
2016: Psychiatria Polska
https://www.readbyqxmd.com/read/27847822/multisensory-integration-in-the-virtual-hand-illusion-with-active-movement
#15
Woong Choi, Liang Li, Satoru Satoh, Kozaburo Hachimura
Improving the sense of immersion is one of the core issues in virtual reality. Perceptual illusions of ownership can be perceived over a virtual body in a multisensory virtual reality environment. Rubber Hand and Virtual Hand Illusions showed that body ownership can be manipulated by applying suitable visual and tactile stimulation. In this study, we investigate the effects of multisensory integration in the Virtual Hand Illusion with active movement. A virtual xylophone playing system which can interactively provide synchronous visual, tactile, and auditory stimulation was constructed...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27821580/self-grounded-vision-hand-ownership-modulates-visual-location-through-cortical-beta-and-gamma-oscillations
#16
Nathan Faivre, Jonathan Doenz, Michele Scandola, Herberto Dhanis, Javier Bello Ruiz, Fosco Bernasconi, Roy Salomon, Olaf Blanke
: Vision is known to be shaped by context, defined by environmental and bodily signals. In the Taylor illusion, the size of an afterimage projected on one's hand changes according to proprioceptive signals conveying hand position. Here, we assessed whether the Taylor illusion does not just depend on the physical hand position, but also on bodily self-consciousness as quantified through illusory hand ownership. Relying on the somatic rubber hand illusion, we manipulated hand ownership, such that participants embodied a rubber hand placed next to their own hand...
November 7, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27810221/promoting-health-workers-ownership-of-infection-prevention-and-control-using-normalization-process-theory-as-an-interpretive-framework
#17
D J Gould, R Hale, E Waters, D Allen
BACKGROUND: All health workers should take responsibility for infection prevention and control (IPC). Recent reduction in key reported healthcare-associated infections in the UK is impressive, but the determinants of success are unknown. It is imperative to understand how IPC strategies operate as new challenges arise and threats of antimicrobial resistance increase. METHODS: The authors undertook a retrospective, independent evaluation of an action plan to enhance IPC and 'ownership' (individual accountability) for IPC introduced throughout a healthcare organization...
December 2016: Journal of Hospital Infection
https://www.readbyqxmd.com/read/27803809/experiences-of-hand-hygiene-among-acute-care-nurses-an-interpretative-phenomenological-analysis
#18
Sheryl L Chatfield, Rachael Nolan, Hannah Crawford, Jeffrey S Hallam
OBJECTIVE: Occurrences of healthcare-associated infections are associated with substantial direct and indirect costs. Improvement in hand hygiene among acute care nurses has potential to reduce incidence of healthcare-associated infections. Findings from reviews of intervention research have not conclusively identified components that are more or less efficient or effective. Much prior qualitative research has focused on descriptive analysis of policies and practices rather than providing interpretive explorations of how individuals' perceptions of hygiene might drive practices...
2016: SAGE Open Medicine
https://www.readbyqxmd.com/read/27774059/music-upper-limb-therapy-integrated-an-enriched-collaborative-approach-for-stroke-rehabilitation
#19
Preeti Raghavan, Daniel Geller, Nina Guerrero, Viswanath Aluru, Joseph P Eimicke, Jeanne A Teresi, Gbenga Ogedegbe, Anna Palumbo, Alan Turry
: Stroke is a leading cause of disability worldwide. It leads to a sudden and overwhelming disruption in one's physical body, and alters the stroke survivors' sense of self. Long-term recovery requires that bodily perception, social participation and sense of self are restored; this is challenging to achieve, particularly with a single intervention. However, rhythmic synchronization of movement to external stimuli facilitates sensorimotor coupling for movement recovery, enhances emotional engagement and has positive effects on interpersonal relationships...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27760689/prep-controversy-agency-and-ownership
#20
Gus P Cairns, Kane Race, Pedro Goicochea
Pre-exposure prophylaxis (PrEP) has been and continues to be an intervention that causes controversy and debate between stakeholders involved in providing or advocating for it, and within communities in need of it. These controversies extend beyond the intrinsically complex issues of making it available. In this commentary, some of the possible roots of the air of dissent and drama that accompanies PrEP are explored. The similarities between the controversies that dogged the earliest human trials of PrEP and the ones we see today in the era of licensing and implementation are explored...
2016: Journal of the International AIDS Society
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