NDLI: Interpersonal representations of touch in somatosensory cortex are modulated by perspective

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Interpersonal representations of touch in somatosensory cortex are modulated by perspective

Content Provider	Semantic Scholar
Author	Rigato, Silvia Bremner, Andrew J. Gillmeister, Helge Banissy, Michael J.
Copyright Year	2019
Abstract	Observing others being touched activates similar brain areas as those activated when one experiences a touch oneself. Event-related potential (ERP) studies have revealed that modulation of somatosensory components by observed touch occurs within 100 ms after stimulus onset, and such vicarious effects have been taken as evidence for empathy for others' tactile experiences. In previous studies body parts have been presented from a first person perspective. This raises the question of the extent to which somatosensory activation by observed touch to body parts depends on the perspective from which the body part is observed. In this study (N = 18), we examined the modulation of somatosensory ERPs by observed touch delivered to another person's hand when viewed as if from a first person versus a third person perspective. We found that vicarious touch effects primarily consist of two separable components in the early stages of somatosensory processing: an anatomical mapping for touch in first person perspective at P45, and a specular (mirror like) mapping for touch in third person perspective at P100. This is consistent with suggestions that vicarious representations exist to support predictions for one's own bodily events, but also to enable predictions of a social or interpersonal kind, at distinct temporal stages.
File Format	PDF HTM / HTML
PubMed reference number	31207259
Journal	Medline
Volume Number	146
Alternate Webpage(s)	https://api.elsevier.com/content/article/pii/S0301051118307658
Alternate Webpage(s)	https://www.sciencedirect.com/science/article/pii/S0301051118307658?dgcid=api_sd_search-api-endpoint
Alternate Webpage(s)	https://doi.org/10.1016/j.biopsycho.2019.107719
Journal	Biological Psychology
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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