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Mediterranean diet, interoception and mental health: Is it time to look beyond the ‘Gut-brain axis’?

Hayley Young Orcid Logo, Gary Freegard, David Benton

Physiology and Behavior, Volume: 257, Start page: 113964

Swansea University Authors: Hayley Young Orcid Logo, Gary Freegard, David Benton

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DOI (Published version): 10.1016/j.physbeh.2022.113964

Abstract

Objective: A Mediterranean style diet (i.e., high in fruit, vegetables, fish, pulses, and wholegrains) is said to benefit psychological health. Many low-level interoceptive processes, such as those involved in the ‘gut-brain’ axis, are suggested to play a mechanistic role in in this relationship. Ho...

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Published in: Physiology and Behavior
ISSN: 0031-9384
Published: Elsevier BV 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa61253
first_indexed 2022-09-16T10:23:12Z
last_indexed 2024-11-14T12:18:47Z
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spelling 2023-08-24T14:22:10.1610605 v2 61253 2022-09-16 Mediterranean diet, interoception and mental health: Is it time to look beyond the ‘Gut-brain axis’? 22748f1a953255d63cb6ab9a98c11d70 0000-0002-6954-3519 Hayley Young Hayley Young true false dfc0c01fbf9bbcf181cdade18bee8fea Gary Freegard Gary Freegard true false 7845ee79286c74b7939198c94e9e16ff David Benton David Benton true false 2022-09-16 PSYS Objective: A Mediterranean style diet (i.e., high in fruit, vegetables, fish, pulses, and wholegrains) is said to benefit psychological health. Many low-level interoceptive processes, such as those involved in the ‘gut-brain’ axis, are suggested to play a mechanistic role in in this relationship. However, interoceptive sensations in other domains, and at higher hierarchical levels of abstraction, have hitherto been overlooked. One domain often studied in relation to psychological health is cardioception. Therefore, we examined whether the Mediterranean diet was associated with first-order perceptual and second-order metacognitive cardioception. Methods: Participants completed the Heartbeat Detection Task, the Heartbeat Counting Task, and the EPIC-Norfolk Food Frequency Questionnaire from which diet was quantified. Results: Adherence to a Mediterranean style diet was associated with higher cardioceptive accuracy (i.e., perceptual performance) across both tasks. In addition, those consuming a Mediterranean diet had a better ability to detect errors in first order perceptual performance, and a lower prediction error (the magnitude of the difference between accuracy and confidence). Discussion: These findings indicated that deepening our understanding of how interoceptive processes beyond the ‘gut-brain’ axis are shaped by diet could deepen our understanding of the link between diet and mental health and wellbeing. Journal Article Physiology and Behavior 257 113964 Elsevier BV 0031-9384 Interoception; Cardioception; Mediterranean diet; Metacognition; Heartbeat perception 1 12 2022 2022-12-01 10.1016/j.physbeh.2022.113964 COLLEGE NANME Psychology School COLLEGE CODE PSYS Swansea University SU Library paid the OA fee (TA Institutional Deal) 2023-08-24T14:22:10.1610605 2022-09-16T11:21:22.0615834 Faculty of Medicine, Health and Life Sciences School of Psychology Hayley Young 0000-0002-6954-3519 1 Gary Freegard 2 David Benton 3 61253__25836__f4dbaa6cdefb4abaa4e0f2f140456c13.pdf 61253.pdf 2022-11-20T11:19:29.6021338 Output 1822222 application/pdf Version of Record true © 2022 The Author(s). This is an open access article under the CC BY license true eng http://creativecommons.org/licenses/by/4.0/
title Mediterranean diet, interoception and mental health: Is it time to look beyond the ‘Gut-brain axis’?
spellingShingle Mediterranean diet, interoception and mental health: Is it time to look beyond the ‘Gut-brain axis’?
Hayley Young
Gary Freegard
David Benton
title_short Mediterranean diet, interoception and mental health: Is it time to look beyond the ‘Gut-brain axis’?
title_full Mediterranean diet, interoception and mental health: Is it time to look beyond the ‘Gut-brain axis’?
title_fullStr Mediterranean diet, interoception and mental health: Is it time to look beyond the ‘Gut-brain axis’?
title_full_unstemmed Mediterranean diet, interoception and mental health: Is it time to look beyond the ‘Gut-brain axis’?
title_sort Mediterranean diet, interoception and mental health: Is it time to look beyond the ‘Gut-brain axis’?
author_id_str_mv 22748f1a953255d63cb6ab9a98c11d70
dfc0c01fbf9bbcf181cdade18bee8fea
7845ee79286c74b7939198c94e9e16ff
author_id_fullname_str_mv 22748f1a953255d63cb6ab9a98c11d70_***_Hayley Young
dfc0c01fbf9bbcf181cdade18bee8fea_***_Gary Freegard
7845ee79286c74b7939198c94e9e16ff_***_David Benton
author Hayley Young
Gary Freegard
David Benton
author2 Hayley Young
Gary Freegard
David Benton
format Journal article
container_title Physiology and Behavior
container_volume 257
container_start_page 113964
publishDate 2022
institution Swansea University
issn 0031-9384
doi_str_mv 10.1016/j.physbeh.2022.113964
publisher Elsevier BV
college_str Faculty of Medicine, Health and Life Sciences
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hierarchy_top_id facultyofmedicinehealthandlifesciences
hierarchy_top_title Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id facultyofmedicinehealthandlifesciences
hierarchy_parent_title Faculty of Medicine, Health and Life Sciences
department_str School of Psychology{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}School of Psychology
document_store_str 1
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description Objective: A Mediterranean style diet (i.e., high in fruit, vegetables, fish, pulses, and wholegrains) is said to benefit psychological health. Many low-level interoceptive processes, such as those involved in the ‘gut-brain’ axis, are suggested to play a mechanistic role in in this relationship. However, interoceptive sensations in other domains, and at higher hierarchical levels of abstraction, have hitherto been overlooked. One domain often studied in relation to psychological health is cardioception. Therefore, we examined whether the Mediterranean diet was associated with first-order perceptual and second-order metacognitive cardioception. Methods: Participants completed the Heartbeat Detection Task, the Heartbeat Counting Task, and the EPIC-Norfolk Food Frequency Questionnaire from which diet was quantified. Results: Adherence to a Mediterranean style diet was associated with higher cardioceptive accuracy (i.e., perceptual performance) across both tasks. In addition, those consuming a Mediterranean diet had a better ability to detect errors in first order perceptual performance, and a lower prediction error (the magnitude of the difference between accuracy and confidence). Discussion: These findings indicated that deepening our understanding of how interoceptive processes beyond the ‘gut-brain’ axis are shaped by diet could deepen our understanding of the link between diet and mental health and wellbeing.
published_date 2022-12-01T20:15:29Z
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