Impact of visuomotor feedback on the embodiment of virtual hands detached from the body

Abstract It has been shown that mere observation of body discontinuity leads to diminished body ownership. However, the impact of body discontinuity has mainly been investigated in conditions where participants observe a collocated static virtual body from a first-person perspective. This study expl...

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Autores principales:	Sofia Seinfeld, Jörg Müller
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/abacfdc54ed24dcbb8c04b1950444309
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spelling	oai:doaj.org-article:abacfdc54ed24dcbb8c04b19504443092021-12-02T15:12:41ZImpact of visuomotor feedback on the embodiment of virtual hands detached from the body10.1038/s41598-020-79255-52045-2322https://doaj.org/article/abacfdc54ed24dcbb8c04b19504443092020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-79255-5https://doaj.org/toc/2045-2322Abstract It has been shown that mere observation of body discontinuity leads to diminished body ownership. However, the impact of body discontinuity has mainly been investigated in conditions where participants observe a collocated static virtual body from a first-person perspective. This study explores the influence of body discountinuity on the sense of embodiment, when rich visuomotor correlations between a real and an artificial virtual body are established. In two experiments, we evaluated body ownership and motor performance, when participants interacted in virtual reality either using virtual hands connected or disconnected from a body. We found that even under the presence of congruent visuomotor feedback, mere observation of body discontinuity resulted in diminished embodiment. Contradictory evidence was found in relation to motor performance, where further research is needed to understand the role of visual body discontinuity in motor tasks. Preliminary findings on physiological reactions to a threat were also assessed, indicating that body visual discontinuity does not differently impact threat-related skin conductance responses. The present results are in accordance with past evidence showing that body discontinuity negatively impacts embodiment. However, further research is needed to understand the influence of visuomotor feedback and body morphological congruency on motor performance and threat-related physiological reactions.Sofia SeinfeldJörg MüllerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-15 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sofia Seinfeld Jörg Müller Impact of visuomotor feedback on the embodiment of virtual hands detached from the body
description	Abstract It has been shown that mere observation of body discontinuity leads to diminished body ownership. However, the impact of body discontinuity has mainly been investigated in conditions where participants observe a collocated static virtual body from a first-person perspective. This study explores the influence of body discountinuity on the sense of embodiment, when rich visuomotor correlations between a real and an artificial virtual body are established. In two experiments, we evaluated body ownership and motor performance, when participants interacted in virtual reality either using virtual hands connected or disconnected from a body. We found that even under the presence of congruent visuomotor feedback, mere observation of body discontinuity resulted in diminished embodiment. Contradictory evidence was found in relation to motor performance, where further research is needed to understand the role of visual body discontinuity in motor tasks. Preliminary findings on physiological reactions to a threat were also assessed, indicating that body visual discontinuity does not differently impact threat-related skin conductance responses. The present results are in accordance with past evidence showing that body discontinuity negatively impacts embodiment. However, further research is needed to understand the influence of visuomotor feedback and body morphological congruency on motor performance and threat-related physiological reactions.
format	article
author	Sofia Seinfeld Jörg Müller
author_facet	Sofia Seinfeld Jörg Müller
author_sort	Sofia Seinfeld
title	Impact of visuomotor feedback on the embodiment of virtual hands detached from the body
title_short	Impact of visuomotor feedback on the embodiment of virtual hands detached from the body
title_full	Impact of visuomotor feedback on the embodiment of virtual hands detached from the body
title_fullStr	Impact of visuomotor feedback on the embodiment of virtual hands detached from the body
title_full_unstemmed	Impact of visuomotor feedback on the embodiment of virtual hands detached from the body
title_sort	impact of visuomotor feedback on the embodiment of virtual hands detached from the body
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/abacfdc54ed24dcbb8c04b1950444309
work_keys_str_mv	AT sofiaseinfeld impactofvisuomotorfeedbackontheembodimentofvirtualhandsdetachedfromthebody AT jorgmuller impactofvisuomotorfeedbackontheembodimentofvirtualhandsdetachedfromthebody
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Impact of visuomotor feedback on the embodiment of virtual hands detached from the body

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