![]() ![]() In addition, the correlation between the illusion's effect and sense of agency as a continuous feeling of controlling one's own body movements was explored. Perceived finger location and self-report questionnaires were used as behavioral and subjective measures of the illusion, respectively. In this study, we explored the Rubber Hand Illusion, an experimental paradigm utilized to manipulate sense of body ownership in PTSD ( n = 4) and PTSD+DS ( n = 6) as compared to healthy controls ( n = 7). Together, symptoms of derealization and, related specifically to the sense of body ownership and agency, of depersonalization (where parts of the body or the entire body itself is perceived as detached and out of control), constitute the dissociative subtype (PTSD+DS). Severe psychological trauma and prolonged distress may lead to posttraumatic stress disorder (PTSD). Traumatic experiences have been linked to the development of altered states of consciousness affecting bodily perception, including alterations in body ownership and in sense of agency, the conscious experience of the body as one's own and under voluntary control. 9Department of Medical Imaging, Lawson Health Research Institute, London, ON, Canada.8Homewood Research Institute, Guelph, ON, Canada.Joseph's Healthcare, Hamilton, ON, Canada 6Department of Psychology, University of Western Ontario, London, ON, Canada.5Departments of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada.4Department of Neuroscience, University of Western Ontario, London, ON, Canada. ![]() 3Smart-Aging Research Center & IDA, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan.2Spatial, Motor & Bodily Awareness, Research Group, Psychology Department, University of Turin, Turin, Italy.1Department of Psychiatry, University of Western Ontario, London, ON, Canada.Daniela Rabellino 1 Dalila Burin 2,3 Sherain Harricharan 4 Chantelle Lloyd 1,5 Paul A. ![]()
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