Journal
CEREBRAL CORTEX
Volume 26, Issue 12, Pages 4450-4460Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/cercor/bhw313
Keywords
body perception; body satisfaction; emotion; fMRI; multisensory body illusions
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Funding
- James S. McDonnell Foundation
- Torsten Soderbergs Stiftelse Vetenskapsradet
- Hjarnfonden
- Wenner-Gren Foundations
- Marie Curie Actions
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In today's Western society, concerns regarding body size and negative feelings toward one's body are all too common. However, little is known about the neural mechanisms underlying negative feelings toward the body and how they relate to body perception and eating-disorder pathology. Here, we used multisensory illusions to elicit illusory ownership of obese and slim bodies during functional magnetic resonance imaging. The results implicate the anterior insula and the anterior cingulate cortex in the development of negative feelings toward the body through functional interactions with the posterior parietal cortex, which mediates perceived obesity. Moreover, cingulate neural responses were modulated by nonclinical eating-disorder psychopathology and were attenuated in females. These results reveal how perceptual and affective body representations interact in the human brain and may help explain the neurobiological underpinnings of eating-disorder vulnerability in women.
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