The structural and functional connectivity neural underpinnings of body image

Moayedi, M, Noroozbahari, N, Hadjis, G, Themelis, K ORCID: https://orcid.org/0000-0002-0022-5272, Salomons, TV, Newport, R and Lewis, JS, 2021. The structural and functional connectivity neural underpinnings of body image. Human Brain Mapping, 42 (11), pp. 3608-3619. ISSN 1065-9471

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Abstract

How we perceive our bodies is fundamental to our self-consciousness and our experience in the world. There are two types of interrelated internal body representations-a subjective experience of the position of a limb in space (body schema) and the subjective experience of the shape and size of the limb (body image). Body schema has been extensively studied, but there is no evidence of the brain structure and network dynamics underpinning body image. Here, we provide the first evidence for the extrastriate body area (EBA), a multisensory brain area, as the structural and functional neural substrate for body shape and size. We performed a multisensory finger-stretch illusion that elongated the index finger. EBA volume and functional connectivity to the posterior parietal cortex are both related to the participants' susceptibility to the illusion. Taken together, these data suggest that EBA structure and connectivity encode body representation and body perception disturbances.

Item Type:	Journal article
Publication Title:	Human Brain Mapping
Creators:	Moayedi, M., Noroozbahari, N., Hadjis, G., Themelis, K., Salomons, T.V., Newport, R. and Lewis, J.S.
Publisher:	Wiley
Date:	August 2021
Volume:	42
Number:	11
ISSN:	1065-9471
Identifiers:	Number Type 10.1002/hbm.25457 DOI 1879223 Other
Rights:	This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
Divisions:	Schools > School of Social Sciences
Record created by:	Jonathan Gallacher
Date Added:	08 Apr 2024 08:42
Last Modified:	08 Apr 2024 08:42
URI:	https://irep.ntu.ac.uk/id/eprint/51206

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