000217094 001__ 217094
000217094 005__ 20181203024203.0
000217094 0247_ $$2doi$$a10.1016/j.jpain.2015.11.005
000217094 022__ $$a1528-8447
000217094 02470 $$2ISI$$a000372672400008
000217094 037__ $$aARTICLE
000217094 245__ $$aSize and Viewpoint of an Embodied Virtual Body Affect the Processing of Painful Stimuli
000217094 260__ $$aEdinburgh$$bChurchill Livingstone$$c2015
000217094 269__ $$a2015
000217094 300__ $$a9
000217094 336__ $$aJournal Articles
000217094 520__ $$aLooking at one's own body might induce visual analgesia. However, the cognitive and physiological mechanisms underlying such visual analgesia are unknown. Because body and pain representations in the brain are multisensory, and have been reported to partially overlap, we herein investigated whether experimentally-induced changes in bodily self-consciousness (BSC) modulate pain. We measured physiological responses to pain (skin conductance response [SCR]) and the subjective experience of pain, under conditions of manipulated BSC. First we investigated whether looking at a virtual body that was associated with BSC (embodiment) reduced responses to pain, which revealed the effect of BSC on pain processing. Second, we manipulated the visual size of the virtual body during painful stimulation, a procedure known to modulate pain processing when used with biological bodies, but never studied with embodied avatars. We found reduced SCR in conditions of illusory embodiment, and a negative correlation between virtual body size and SCR, whereas subjective pain ratings were not affected by these manipulations. These results suggest that pain processing is modulated during illusory states of BSC and that these changes are greater for larger virtual bodies, which sustains that pain and its physiological mechanisms are associated with the bodily self, opening promising avenues for future pain treatments.
000217094 6531_ $$aFull body illusion
000217094 6531_ $$apain
000217094 6531_ $$aanalgesia
000217094 6531_ $$abody representation
000217094 6531_ $$askin conductance response
000217094 700__ $$aRomano, Daniele
000217094 700__ $$0245276$$aLlobera, Joan$$g212701
000217094 700__ $$0240593$$aBlanke, Olaf$$g165806
000217094 773__ $$j17$$k3$$q350-8$$tThe journal of pain : official journal of the American Pain Society
000217094 909C0 $$0252517$$pCNP$$xU12599
000217094 909C0 $$0252325$$pLNCO$$xU11025
000217094 909CO $$ooai:infoscience.tind.io:217094$$pSV$$particle
000217094 917Z8 $$x175439
000217094 937__ $$aEPFL-ARTICLE-217094
000217094 973__ $$aEPFL$$rREVIEWED$$sPUBLISHED
000217094 980__ $$aARTICLE