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Rubber hand illusion

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https://www.readbyqxmd.com/read/29780877/disgust-and-the-rubber-hand-illusion-a-registered-replication-report-of-jalal-krishnakumar-and-ramachandran-2015
#1
Hiroshi Nitta, Haruto Tomita, Yi Zhang, Xinxin Zhou, Yuki Yamada
Heightened experience of disgust is a feature of obsessive-compulsive disorder (OCD), particularly contamination-related OCD (C-OCD). Previous studies of the rubber hand illusion (RHI) reported that the sense of body ownership is related to the interaction between vision, touch, and proprioception. One recent study demonstrated a link between the RHI and disgust, suggesting that there is an interaction between these three perceptual modalities and disgust (Jalal et al., PLOS ONE 10:e0139159, 2015). However, there have been no direct replications of this initial study...
2018: Cognitive Research: Principles and Implications
https://www.readbyqxmd.com/read/29765311/altered-sense-of-body-ownership-and-agency-in-posttraumatic-stress-disorder-and-its-dissociative-subtype-a-rubber-hand-illusion-study
#2
Daniela Rabellino, Dalila Burin, Sherain Harricharan, Chantelle Lloyd, Paul A Frewen, Margaret C McKinnon, Ruth A Lanius
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. Severe psychological trauma and prolonged distress may lead to posttraumatic stress disorder (PTSD). 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)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29753310/roles-of-the-right-temporo-parietal-and-premotor-cortices-in-self-location-and-body-ownership
#3
Silvia Convento, Daniele Romano, Angelo Maravita, Nadia Bolognini
In the rubber hand illusion (RHI), the feeling that a fake hand belongs to oneself can be induced by the simultaneous, congruent touch of the fake visible hand and one's own hidden hand. This condition is also associated with a recalibration of the perceived location of the real hand. A cortical network, including premotor and temporo-parietal areas, has been proposed as the basis of the RHI. However, the causal contribution of these areas to the discrete illusory components remains unclear. We used transcranial direct current stimulation (tDCS) to assess the contribution of the right premotor cortex (rPMc) and the right temporo-parietal junction (rTPJ) to the RHI and explored the role of these areas in modulating the subjective experience of embodiment and the misperception of the hand position...
May 12, 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29674664/short-term-visual-deprivation-boosts-the-flexibility-of-body-representation
#4
Dominika Radziun, H Henrik Ehrsson
Short-term visual deprivation by blindfolding influences tactile acuity and orientation in space and, on a neural level, leads to enhanced excitability of visual and motor cortices. However, to the best of our knowledge, the possible effects of short-term visual deprivation on body representation have not been examined. In the present study, we tested two groups of 30 healthy participants with the somatic rubber hand illusion, a well-established paradigm to probe the dynamic plasticity of body representation...
April 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29624596/embodied-pain-in-fibromyalgia-disturbed-somatorepresentations-and-increased-plasticity-of-the-body-schema
#5
Endika Martínez, Zigor Aira, Itsaso Buesa, Ibane Aizpurua, Diego Rada, Jon Jatsu Azkue
Fibromyalgia syndrome (FMS) is a highly prevalent, chronic musculoskeletal condition characterized by widespread pain and evoked pain at tender points. This study evaluated various aspects of body awareness in a sample of 14 women with FMS and 13 healthy controls, such as plasticity of the body schema, body esteem, and interoceptive awareness. To this end, the Rubber Hand Illusion (RHI), the Body Esteem Scale (BES), and the Body Perception Questionnaire (BPQ) were used, respectively. Consistent with increased plasticity of the body schema, FMS patients scored higher, with large or very large effect sizes, across all three domains evaluated in the RHI paradigm, namely proprioceptive drift and perceived ownership and motor control over the rubber hand...
2018: PloS One
https://www.readbyqxmd.com/read/29546651/multisensory-temporal-processing-in-own-body-contexts-plausibility-of-hand-ownership-does-not-improve-visuo-tactile-asynchrony-detection
#6
Robert T Keys, Anina N Rich, Regine Zopf
Tracking one's own body is essential for environmental interaction, and involves integrating multisensory cues with stored information about the body's typical features. Exactly how multisensory information is integrated in own-body perception is still unclear. For example, Ide and Hidaka (Exp Brain Res 228:43-50, 2013) found that participants made less precise visuo-tactile temporal order judgments (TOJ) when viewing hands in a plausible orientation (upright; typical for one's own hand) compared to an implausible orientation (rotated 180°)...
May 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29533775/on-the-relation-between-body-ownership-and-sense-of-agency-a-link-at-the-level-of-sensory-related-signals
#7
Maria Pyasik, Dalila Burin, Lorenzo Pia
The relation between sense of body ownership and sense of agency is still highly debated. Here we investigated in a large sample of healthy participants the associations between several implicit and explicit indexes of the two senses. Specifically, we examined the correlations between proprioceptive shift (implicit measure) and questionnaire on the subjective experience of ownership (explicit measure) within the rubber hand illusion paradigm (body ownership), and intentional binding (implicit measure), attenuation of the intensity of auditory outcomes of actions (implicit measure) and questionnaire on the subjective experience of authorship (explicit measure) within the Libet's clock paradigm (sense of agency)...
April 2018: Acta Psychologica
https://www.readbyqxmd.com/read/29532598/the-man-who-lost-his-body-suboptimal-multisensory-integration-yields-body-awareness-problems-after-a-right-temporoparietal-brain-tumour
#8
Miranda Smit, Haike E Van Stralen, Bart Van den Munckhof, Tom J Snijders, Hendrik Christiaan Dijkerman
Reports on patients who lack ownership over their entire body are extremely rare. Here, we present patient SA who suffered from complete body disownership after a tumour resection in the right temporoparietal cortex. Neuropsychological assessment disclosed selective bilateral ownership problems, despite intact primary visual and somatosensory senses. SA's disownership seems to stem from a suboptimal multimodal integration, as shown by the rubber hand illusion and the beneficial effect during and after simple exercises aiming at multisensory recalibration...
March 12, 2018: Journal of Neuropsychology
https://www.readbyqxmd.com/read/29529588/atypical-susceptibility-to-the-rubber-hand-illusion-linked-to-sensory-localised-vicarious-pain-perception
#9
V Botan, S Fan, H Critchley, J Ward
The Rubber Hand Illusion (RHI) paradigm has been widely used to investigate the sense of body ownership. People who report experiencing the pain of others are hypothesised to have differences in computing body ownership and, hence, we predicted that they would perform atypically on the RHI. The Vicarious Pain Questionnaire (VPQ), was used to divide participants into three groups: (1) non-responders (people who report no pain when seeing someone else experiencing physical pain), (2) sensory-localised responders (report sensory qualities and a localised feeling of pain) and (3) affective-general responders (report a generalised and emotional feeling of pain)...
April 2018: Consciousness and Cognition
https://www.readbyqxmd.com/read/29460981/non-invasive-brain-stimulation-of-motor-cortex-induces-embodiment-when-integrated-with-virtual-reality-feedback
#10
M Bassolino, M Franza, J Bello Ruiz, M Pinardi, T Schmidlin, M A Stephan, M Solcà, A Serino, O Blanke
Previous evidence highlighted the multisensory-motor origin of embodiment - that is, the experience of having a body and of being in control of it - and the possibility of experimentally manipulating it. For instance, an illusory feeling of embodiment towards a fake hand can be triggered by providing synchronous visuo-tactile stimulation to the hand of participants and to a fake hand or by asking participants to move their hand and observe a fake hand moving accordingly (rubber hand illusion). Here, we tested whether it is possible to manipulate embodiment not through stimulation of the participant's hand, but by directly tapping into the brain's hand representation via non-invasive brain stimulation...
April 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29416065/judging-the-position-of-the-artificial-hand-induces-a-visual-drift-towards-the-real-one-during-the-rubber-hand-illusion
#11
Roberto Erro, Angela Marotta, Michele Tinazzi, Elena Frera, Mirta Fiorio
When subjects look at a rubber hand being brush-stroked synchronously with their own hidden hand, they might feel a sense of ownership over the rubber hand. The perceived mislocalization of the own hand towards the rubber hand (proprioceptive drift) would reflect an implicit marker of this illusion occurring through the dominance of vision over proprioception. This account, however, contrasts with principles of multisensory integration whereby percepts result from a "statistical sum" of different sensory afferents...
February 7, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29413873/spatial-attention-and-the-malleability-of-bodily-self-in-the-elderly
#12
Daniel Zeller, Marcus Hullin
A right-hemispheric specificity has been suggested both for spatial attention and for the feeling of body-ownership. Here, we assessed lateralization of spatial attention (Milner landmark task), rubber hand illusion (RHI), and their relationship in a group of 59 healthy elderly subjects. The occurrence of the RHI was assessed by objective (proprioceptive drift) and subjective (questionnaire) measures. Spatial attention was asymmetrical, with a slight, neglect-like overestimation of the right segment of mid-bisected lines...
March 2018: Consciousness and Cognition
https://www.readbyqxmd.com/read/29407592/spontaneous-imitative-movements-induced-by-an-illusory-embodied-fake-hand
#13
Satoshi Shibuya, Satoshi Unenaka, Takuro Zama, Sotaro Shimada, Yukari Ohki
In the rubber hand illusion (RHI), individuals perceive a fake hand as their own when the hidden real hand and visible fake hand are synchronously stroked. Several RHI studies have reported that visual manipulation of the embodied fake hand inversely affects the perceptual processing of the observer's own hand (e.g., thermal or pain sensitivity). In this study, we examined whether motor manipulation of the fake hand similarly affects the observer's motor system. Our study employed a novel RHI paradigm wherein stroking was interrupted by unexpected movement of the fake hand (i...
March 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29391505/body-ownership-and-the-four-hand-illusion
#14
Wen-Yeo Chen, Hsu-Chia Huang, Yen-Tung Lee, Caleb Liang
Recent studies of the rubber hand illusion (RHI) have shown that the sense of body ownership is constrained by several factors and yet is still very flexible. However, exactly how flexible is our sense of body ownership? In this study, we address this issue by investigating the following question: is it possible that one may have the illusory experience of owning four hands? Under visual manipulation, the participant adopted the experimenter's first-person perspective (1PP) as if it was his/her own. Sitting face to face, the participant saw four hands-the experimenter's two hands from the adopted 1PP together with the subject's own two hands from the adopted third-person perspective (3PP)...
February 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29362888/the-roles-of-consistency-and-exclusivity-in-perceiving-body-ownership-and-agency
#15
Ke Ma, Bernhard Hommel, Hong Chen
Previous rubber/virtual hand illusion studies have established important constraints for the illusion that an artificial effector becomes part of one's own body (perceived ownership), and that its actions are being caused by oneself (perceived agency). We can take these observed constraints to establish two of three Wegner's (Trends Cogn Sci 7:65-69; Wegner, Trends in Cognitive Sciences 7:65-69, 2003) criteria for the perception of personal agency: priority and consistency, but not Wegner's third criterion-exclusivity...
January 23, 2018: Psychological Research
https://www.readbyqxmd.com/read/29274139/spatial-information-from-cutaneous-and-muscle-receptors-contributes-to-perceived-finger-position-and-ownership
#16
Jack Brooks
No abstract text is available yet for this article.
February 15, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29216325/correction-the-human-touch-skin-temperature-during-the-rubber-hand-illusion-in-manual-and-automated-stroking-procedures
#17
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pone.0080688.].
2017: PloS One
https://www.readbyqxmd.com/read/29201910/body-schema-illusions-a-study-of-the-link-between-the-rubber-hand-and-kinesthetic-mirror-illusions-through-individual-differences
#18
Morgane Metral, Corentin Gonthier, Marion Luyat, Michel Guerraz
Background: The well-known rubber hand paradigm induces an illusion by having participants feel the touch applied to a fake hand. In parallel, the kinesthetic mirror illusion elicits illusions of movement by moving the reflection of a participant's arm. Experimental manipulation of sensory inputs leads to emergence of these multisensory illusions. There are strong conceptual similarities between these two illusions, suggesting that they rely on the same neurophysiological mechanisms, but this relationship has never been investigated...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29157413/incorporation-of-prosthetic-limbs-into-the-body-representation-of-amputees-evidence-from-the-crossed-hands-temporal-order-illusion
#19
Yuki Sato, Toshihiro Kawase, Kouji Takano, Charles Spence, Kenji Kansaku
Understanding how we consciously experience our bodies is a fundamental issue in both psychology and neuroscience. To date, the incorporation of nonbody objects into the body representation has been investigated extensively, and the incorporation of prosthetic arms in amputees has been demonstrated using the rubber hand illusion. In this study, we investigated the incorporation of prosthetic arms in amputees using the crossed hands illusion, in which successive somatosensory stimuli are delivered, one to each arm, at intervals of 300ms or less, and where arm crossing often causes inversion of perceived tactile temporal order...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/29147006/the-influence-of-skin-colour-on-the-experience-of-ownership-in-the-rubber-hand-illusion
#20
Marilia Lira, Julia H Egito, Patricia A Dall'Agnol, David M Amodio, Óscar F Gonçalves, Paulo S Boggio
Racial prejudice is associated with a fundamental distinction between "us" and "them"-a distinction linked to the perceived overlap between representations of the self and others. Implicit prejudice has been shown to reduce the intensity of White individuals' hand ownership sensation as induced by the Rubber Hand Illusion (RHI) with dark rubber hands. However, evidence for this link to implicit prejudice comes from self-report questionnaire data regarding the RHI. As an alternative, we assessed the onset time of the RHI...
November 16, 2017: Scientific Reports
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