Invisible body illusion modulates interpersonal space

Abstract Interpersonal space (e.g., IPS) refers to the physical distance individuals maintain from others during social interactions, and into which intrusion by others can cause discomfort. Here, we asked whether the size of IPS is affected by manipulation of one’s own body representation. To addre...

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Autores principales:	Mariano D’Angelo, Giuseppe di Pellegrino, Francesca Frassinetti
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1c6ded12d8b64297857d876f7bb11fd2
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id	oai:doaj.org-article:1c6ded12d8b64297857d876f7bb11fd2
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spelling	oai:doaj.org-article:1c6ded12d8b64297857d876f7bb11fd22021-12-02T12:32:16ZInvisible body illusion modulates interpersonal space10.1038/s41598-017-01441-92045-2322https://doaj.org/article/1c6ded12d8b64297857d876f7bb11fd22017-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-01441-9https://doaj.org/toc/2045-2322Abstract Interpersonal space (e.g., IPS) refers to the physical distance individuals maintain from others during social interactions, and into which intrusion by others can cause discomfort. Here, we asked whether the size of IPS is affected by manipulation of one’s own body representation. To address this issue, in Experiment 1, IPS was measured through a comfort-distance task, before and after eliciting the illusion of owning an invisible body. To rule out a general, nonspecific change in space perception consequent the illusion, we also assessed peripersonal space, e.g., PPS, the area around the body used to act on nearby objects, through a reaching-distance task. Results showed that the experience of invisibility induces a selective contraction of IPS, without affecting the perceived reaching space around the body. In Experiment 2, a tool-use manipulation produced the opposite dissociation, modifying the boundaries of PPS, but leaving IPS distance unaltered. Collectively, these findings support a close relationship between IPS and the conscious representation of the body external appearance, i.e. the body image, and suggest the existence of two functionally separate representations of the space immediately surrounding the body in humans, which may form the basis of distinct processes engaged for different behavioural contexts.Mariano D’AngeloGiuseppe di PellegrinoFrancesca FrassinettiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mariano D’Angelo Giuseppe di Pellegrino Francesca Frassinetti Invisible body illusion modulates interpersonal space
description	Abstract Interpersonal space (e.g., IPS) refers to the physical distance individuals maintain from others during social interactions, and into which intrusion by others can cause discomfort. Here, we asked whether the size of IPS is affected by manipulation of one’s own body representation. To address this issue, in Experiment 1, IPS was measured through a comfort-distance task, before and after eliciting the illusion of owning an invisible body. To rule out a general, nonspecific change in space perception consequent the illusion, we also assessed peripersonal space, e.g., PPS, the area around the body used to act on nearby objects, through a reaching-distance task. Results showed that the experience of invisibility induces a selective contraction of IPS, without affecting the perceived reaching space around the body. In Experiment 2, a tool-use manipulation produced the opposite dissociation, modifying the boundaries of PPS, but leaving IPS distance unaltered. Collectively, these findings support a close relationship between IPS and the conscious representation of the body external appearance, i.e. the body image, and suggest the existence of two functionally separate representations of the space immediately surrounding the body in humans, which may form the basis of distinct processes engaged for different behavioural contexts.
format	article
author	Mariano D’Angelo Giuseppe di Pellegrino Francesca Frassinetti
author_facet	Mariano D’Angelo Giuseppe di Pellegrino Francesca Frassinetti
author_sort	Mariano D’Angelo
title	Invisible body illusion modulates interpersonal space
title_short	Invisible body illusion modulates interpersonal space
title_full	Invisible body illusion modulates interpersonal space
title_fullStr	Invisible body illusion modulates interpersonal space
title_full_unstemmed	Invisible body illusion modulates interpersonal space
title_sort	invisible body illusion modulates interpersonal space
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/1c6ded12d8b64297857d876f7bb11fd2
work_keys_str_mv	AT marianodangelo invisiblebodyillusionmodulatesinterpersonalspace AT giuseppedipellegrino invisiblebodyillusionmodulatesinterpersonalspace AT francescafrassinetti invisiblebodyillusionmodulatesinterpersonalspace
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Invisible body illusion modulates interpersonal space

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