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, Ai Takehana Department of Informatics, Gunma University , 4-2 Aramaki-machi, Maebashi, 371-8510 , Japan Faculty of Biological and Environmental Sciences, University of Helsinki , Biocenter 3, Viikinkaari 1, Helsinki 00014 , Finland Search for other works by this author on: Oxford Academic Daiki Tanaka Department of Biosciences and Informatics, Keio University , 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522 , Japan Search for other works by this author on: Oxford Academic Mariko Arai Department of Biosciences and Informatics, Keio University , 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522 , Japan Search for other works by this author on: Oxford Academic Yoshiki Hattori Department of Biosciences and Informatics, Keio University , 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522 , Japan Search for other works by this author on: Oxford Academic Takaaki Yoshimoto Supportive Center for Brain Research, National Institute for Physiological Sciences , 38 Nishigonaka, Myodaiji Okazaki, 444-8585 , Japan Research & Development Department , Araya Inc., 1-11 Kanda Sakuma-cho, Chiyoda, 101-0025, Tokyo , Japan Search for other works by this author on: Oxford Academic Teppei Matsui Graduate School of Brain Science, Doshisha University , 1-3 Tatara Miyakodani, Kyotanabe, Kyoto 610-0394 , Japan Search for other works by this author on: Oxford Academic Norihiro Sadato Supportive Center for Brain Research, National Institute for Physiological Sciences , 38 Nishigonaka, Myodaiji Okazaki, 444-8585 , Japan Research Organization of Science and Technology, Ritsumeikan University , 1-1-1, Nojihigashi, Kusatsu 525-8577 , Japan Search for other works by this author on: Oxford Academic Junichi Chikazoe Supportive Center for Brain Research, National Institute for Physiological Sciences , 38 Nishigonaka, Myodaiji Okazaki, 444-8585 , Japan Research & Development Department , Araya Inc., 1-11 Kanda Sakuma-cho, Chiyoda, 101-0025, Tokyo , Japan Search for other works by this author on: Oxford Academic Koji Jimura Department of Informatics, Gunma University , 4-2 Aramaki-machi, Maebashi, 371-8510 , Japan Corresponding author: Koji Jimura, Department of Informatics, Gunma University, 4-2 Aramaki-machi, Maebashi 371-8510, Japan. Email: jimura@gunma-u.ac.jp Search for other works by this author on: Oxford Academic
https://orcid.org/0000-0003-1438-5776 Cerebral Cortex, Volume 34, Issue 7, July 2024, bhae302, https://doi.org/10.1093/cercor/bhae302
Published:
26 July 2024
Article history
Received:
20 February 2024
Revision received:
01 July 2024
Accepted:
10 July 2024
Published:
26 July 2024
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Ai Takehana, Daiki Tanaka, Mariko Arai, Yoshiki Hattori, Takaaki Yoshimoto, Teppei Matsui, Norihiro Sadato, Junichi Chikazoe, Koji Jimura, Healthy dietary choices involve prefrontal mechanisms associated with long-term reward maximization but not working memory, Cerebral Cortex, Volume 34, Issue 7, July 2024, bhae302, https://doi.org/10.1093/cercor/bhae302
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Abstract
Taste and health are critical factors to be considered when choosing foods. Prioritizing healthiness over tastiness requires self-control. It has also been suggested that self-control is guided by cognitive control. We then hypothesized that neural mechanisms underlying healthy food choice are associated with both self-control and cognitive control. Human participants performed a food choice task and a working memory task during functional MRI scanning. Their degree of self-control was assessed behaviorally by the value discount of delayed monetary rewards in intertemporal choice. Prioritizing healthiness in food choice was associated with greater activity in the superior, dorsolateral, and medial prefrontal cortices. Importantly, the prefrontal activity was greater in individuals with smaller delay discounting (i.e. high self-control) who preferred a delayed larger reward to an immediate smaller reward in intertemporal choice. On the other hand, working memory activity did not show a correlation with delay discounting or food choice activity, which was further supported by supplementary results that analyzed data from the Human Connectome Project. Our results suggest that the prefrontal cortex plays a critical role in healthy food choice, which requires self-control, but not working memory, for maximization of reward attainments in a remote future.
food, healthiness, taste, delay discounting, working memory
© The Author(s) 2024. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com
This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/pages/standard-publication-reuse-rights)
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