Illusory changes in body size modulate body satisfaction in a way that is related to non-clinical eating disorder psychopathology.

Historically, body size overestimation has been linked to abnormal levels of body dissatisfaction found in eating disorders. However, recently this relationship has been called into question. Indeed, despite a link between how we perceive and how we feel about our body seeming intuitive, until now l...

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Autores principales:	Catherine Preston, H Henrik Ehrsson
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ae3991fe027e4cfba2e10017e41db690
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spelling	oai:doaj.org-article:ae3991fe027e4cfba2e10017e41db6902021-11-18T08:36:58ZIllusory changes in body size modulate body satisfaction in a way that is related to non-clinical eating disorder psychopathology.1932-620310.1371/journal.pone.0085773https://doaj.org/article/ae3991fe027e4cfba2e10017e41db6902014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24465698/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Historically, body size overestimation has been linked to abnormal levels of body dissatisfaction found in eating disorders. However, recently this relationship has been called into question. Indeed, despite a link between how we perceive and how we feel about our body seeming intuitive, until now lack of an experimental method to manipulate body size has meant that a causal link, even in healthy participants, has remained elusive. Recent developments in body perception research demonstrate that the perceptual experience of the body can be readily manipulated using multisensory illusions. The current study exploits such illusions to modulate perceived body size in an attempt to influence body satisfaction. Participants were presented with stereoscopic video images of slimmer and wider mannequin bodies viewed through head-mounted displays from first person perspective. Illusory ownership was induced by synchronously stroking the seen mannequin body with the unseen real body. Pre and post-illusion affective and perceptual measures captured changes in perceived body size and body satisfaction. Illusory ownership of a slimmer body resulted in participants perceiving their actual body as slimmer and giving higher ratings of body satisfaction demonstrating a direct link between perceptual and affective body representations. Change in body satisfaction following illusory ownership of a wider body, however, was related to degree of (non-clinical) eating disorder psychopathology, which can be linked to fluctuating body representations found in clinical samples. The results suggest that body perception is linked to body satisfaction and may be of importance for eating disorder symptomology.Catherine PrestonH Henrik EhrssonPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 1, p e85773 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Catherine Preston H Henrik Ehrsson Illusory changes in body size modulate body satisfaction in a way that is related to non-clinical eating disorder psychopathology.
description	Historically, body size overestimation has been linked to abnormal levels of body dissatisfaction found in eating disorders. However, recently this relationship has been called into question. Indeed, despite a link between how we perceive and how we feel about our body seeming intuitive, until now lack of an experimental method to manipulate body size has meant that a causal link, even in healthy participants, has remained elusive. Recent developments in body perception research demonstrate that the perceptual experience of the body can be readily manipulated using multisensory illusions. The current study exploits such illusions to modulate perceived body size in an attempt to influence body satisfaction. Participants were presented with stereoscopic video images of slimmer and wider mannequin bodies viewed through head-mounted displays from first person perspective. Illusory ownership was induced by synchronously stroking the seen mannequin body with the unseen real body. Pre and post-illusion affective and perceptual measures captured changes in perceived body size and body satisfaction. Illusory ownership of a slimmer body resulted in participants perceiving their actual body as slimmer and giving higher ratings of body satisfaction demonstrating a direct link between perceptual and affective body representations. Change in body satisfaction following illusory ownership of a wider body, however, was related to degree of (non-clinical) eating disorder psychopathology, which can be linked to fluctuating body representations found in clinical samples. The results suggest that body perception is linked to body satisfaction and may be of importance for eating disorder symptomology.
format	article
author	Catherine Preston H Henrik Ehrsson
author_facet	Catherine Preston H Henrik Ehrsson
author_sort	Catherine Preston
title	Illusory changes in body size modulate body satisfaction in a way that is related to non-clinical eating disorder psychopathology.
title_short	Illusory changes in body size modulate body satisfaction in a way that is related to non-clinical eating disorder psychopathology.
title_full	Illusory changes in body size modulate body satisfaction in a way that is related to non-clinical eating disorder psychopathology.
title_fullStr	Illusory changes in body size modulate body satisfaction in a way that is related to non-clinical eating disorder psychopathology.
title_full_unstemmed	Illusory changes in body size modulate body satisfaction in a way that is related to non-clinical eating disorder psychopathology.
title_sort	illusory changes in body size modulate body satisfaction in a way that is related to non-clinical eating disorder psychopathology.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/ae3991fe027e4cfba2e10017e41db690
work_keys_str_mv	AT catherinepreston illusorychangesinbodysizemodulatebodysatisfactioninawaythatisrelatedtononclinicaleatingdisorderpsychopathology AT hhenrikehrsson illusorychangesinbodysizemodulatebodysatisfactioninawaythatisrelatedtononclinicaleatingdisorderpsychopathology
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Illusory changes in body size modulate body satisfaction in a way that is related to non-clinical eating disorder psychopathology.

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