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The influence of physical activity on neural responses to visual food cues in humans: A systematic review of functional magnetic resonance imaging studies

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posted on 2023-06-08, 14:21 authored by Abdul Dera, Tonghui ShenTonghui Shen, Alice ThackrayAlice Thackray, Elanor C Hinton, James KingJames King, Lewis JamesLewis James, Paul S Morgan, Nathan RushNathan Rush, Masashi Miyashita, Rachel Batterham, David StenselDavid Stensel

This systematic review examined whether neural responses to visual food-cues measured by functional magnetic resonance imaging (fMRI) are influenced by physical activity. Seven databases were searched up to February 2023 for human studies evaluating visual food-cue reactivity using fMRI alongside an assessment of habitual physical activity or structured exercise exposure. Eight studies (1 exercise training, 4 acute crossover, 3 cross-sectional) were included in a qualitative synthesis. Structured acute and chronic exercise appear to lower food-cue reactivity in several brain regions, including the insula, hippocampus, orbitofrontal cortex (OFC), postcentral gyrus and putamen, particularly when viewing high-energy-density food cues. Exercise, at least acutely, may enhance appeal of low-energy-density food-cues. Cross-sectional studies show higher self-reported physical activity is associated with lower reactivity to food-cues particularly of high-energy-density in the insula, OFC, postcentral gyrus and precuneus. This review shows that physical activity may influence brain food-cue reactivity in motivational, emotional, and reward-related processing regions, possibly indicative of a hedonic appetite-suppressing effect. Conclusions should be drawn cautiously given considerable methodological variability exists across limited evidence.

Funding

National Institute for Health and Care Research (NIHR) Leicester Biomedical Research Centre

Jeddah University (Saudi Arabia)

History

School

  • Sport, Exercise and Health Sciences

Published in

Neuroscience and Biobehavioral Reviews

Volume

152

Publisher

Elsevier

Version

  • VoR (Version of Record)

Rights holder

© The Authors

Publisher statement

This is an Open Access Article. It is published by Elsevier under the Creative Commons Attribution 4.0 International Licence (CC BY). Full details of this licence are available at: https://creativecommons.org/licenses/by/4.0/

Acceptance date

2023-05-22

Publication date

2023-05-25

Copyright date

2023

ISSN

0149-7634

eISSN

1873-7528

Language

  • en

Depositor

Abdulrahman Dera. Deposit date: 22 May 2023

Article number

105247

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