Massieh Moayedi
The structural and functional connectivity neural underpinnings of body image
Moayedi, Massieh; Noroozbahari, Nasim; Hadjis, Georgia; Themelis, Kristy; Salomons, Tim V.; Newport, Roger; Lewis, Jennifer S.
Authors
Nasim Noroozbahari
Georgia Hadjis
Kristy Themelis
Tim V. Salomons
Roger Newport
Dr Jenny Lewis Jenny4.Lewis@uwe.ac.uk
Associate Professor in Clinical Research
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.
Citation
Moayedi, M., Noroozbahari, N., Hadjis, G., Themelis, K., Salomons, T. V., Newport, R., & Lewis, J. S. (2021). The structural and functional connectivity neural underpinnings of body image. Human Brain Mapping, 42(11), 3608-3619. https://doi.org/10.1002/hbm.25457
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 12, 2021 |
Online Publication Date | May 7, 2021 |
Publication Date | Aug 1, 2021 |
Deposit Date | Mar 2, 2022 |
Publicly Available Date | Mar 8, 2022 |
Journal | Human Brain Mapping |
Print ISSN | 1065-9471 |
Electronic ISSN | 1097-0193 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 42 |
Issue | 11 |
Pages | 3608-3619 |
DOI | https://doi.org/10.1002/hbm.25457 |
Keywords | Clinical Neurology; Neurology; Radiology Nuclear Medicine and imaging; Radiological and Ultrasound Technology; Anatomy |
Public URL | https://uwe-repository.worktribe.com/output/9090506 |
Additional Information | Received: 2020-07-13; Accepted: 2021-04-12; Published: 2021-05-07 |
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Licence
http://creativecommons.org/licenses/by-nc-nd/4.0/
Publisher Licence URL
http://creativecommons.org/licenses/by-nc-nd/4.0/
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