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Getting to the heart of the matter: Does aberrant interoceptive processing contribute towards emotional eating?

Hayley Young, Claire Williams Orcid Logo, Aimee Pink, Gary Freegard, Amy Owens, David Benton

PLOS ONE, Volume: 12, Issue: 10, Start page: e0186312

Swansea University Authors: Hayley Young, Claire Williams Orcid Logo, Aimee Pink, Gary Freegard, David Benton

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DOI (Published version): 10.1371/journal.pone.0186312

Abstract

According to estimates from Public Health England, by 2034 70% of adults are expected to be overweight or obese, therefore understanding the underpinning aetiology is a priority. Eating in response to negative affect contributes towards obesity, however, little is known about the underlying mechanis...

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ISSN: 1932-6203
Published: Public Library of Science (PLoS) 2017
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Eating in response to negative affect contributes towards obesity, however, little is known about the underlying mechanisms. Evidence that visceral afferent signals contribute towards the experience of emotion is accumulating rapidly, with the emergence of new influential models of &#x2018;active inference&#x2019;. No longer viewed as a &#x2018;bottom up&#x2019; process, new interoceptive facets based on &#x2018;top down&#x2019; predictions have been proposed, although at present it is unclear which aspects of interoception contribute to aberrant eating behaviour and obesity. Study one examined the link between eating behaviour, body mass index and the novel interoceptive indices; interoceptive metacognitive awareness (IAw) and interoceptive prediction error (IPE), as well as the traditional measures; interoceptive accuracy (IAc) and interoceptive sensibility (IS). The dissociation between these interoceptive indices was confirmed. Emotional eaters were characterised by a heightened interoceptive signal but reduced meta-cognitive awareness of their interoceptive abilities. In addition, emotional eating correlated with IPE; effects that could not be accounted for by differences in anxiety and depression. Study two confirmed the positive association between interoceptive accuracy and emotional eating using a novel unbiased heartbeat discrimination task based on the method of constant stimuli. 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spelling 2020-07-31T09:19:37.5536880 v2 36187 2017-10-20 Getting to the heart of the matter: Does aberrant interoceptive processing contribute towards emotional eating? 22748f1a953255d63cb6ab9a98c11d70 Hayley Young Hayley Young true false 21dc2ebf100cf324becc27e8db6fde8d 0000-0002-0791-744X Claire Williams Claire Williams true false b104bd4518ffc637bf9091ef85ff3a9b Aimee Pink Aimee Pink true false dfc0c01fbf9bbcf181cdade18bee8fea Gary Freegard Gary Freegard true false 7845ee79286c74b7939198c94e9e16ff David Benton David Benton true false 2017-10-20 HPS According to estimates from Public Health England, by 2034 70% of adults are expected to be overweight or obese, therefore understanding the underpinning aetiology is a priority. Eating in response to negative affect contributes towards obesity, however, little is known about the underlying mechanisms. Evidence that visceral afferent signals contribute towards the experience of emotion is accumulating rapidly, with the emergence of new influential models of ‘active inference’. No longer viewed as a ‘bottom up’ process, new interoceptive facets based on ‘top down’ predictions have been proposed, although at present it is unclear which aspects of interoception contribute to aberrant eating behaviour and obesity. Study one examined the link between eating behaviour, body mass index and the novel interoceptive indices; interoceptive metacognitive awareness (IAw) and interoceptive prediction error (IPE), as well as the traditional measures; interoceptive accuracy (IAc) and interoceptive sensibility (IS). The dissociation between these interoceptive indices was confirmed. Emotional eaters were characterised by a heightened interoceptive signal but reduced meta-cognitive awareness of their interoceptive abilities. In addition, emotional eating correlated with IPE; effects that could not be accounted for by differences in anxiety and depression. Study two confirmed the positive association between interoceptive accuracy and emotional eating using a novel unbiased heartbeat discrimination task based on the method of constant stimuli. Results reveal new and important mechanistic insights into the processes that may underlie problematic affect regulation in overweight populations. Journal Article PLOS ONE 12 10 e0186312 Public Library of Science (PLoS) 1932-6203 Emotional eating; obesity; introception 18 10 2017 2017-10-18 10.1371/journal.pone.0186312 http://dx.doi.org/10.1371/journal.pone.0186312 COLLEGE NANME Psychology COLLEGE CODE HPS Swansea University 2020-07-31T09:19:37.5536880 2017-10-20T08:31:05.4470195 Faculty of Medicine, Health and Life Sciences School of Psychology Hayley Young 1 Claire Williams 0000-0002-0791-744X 2 Aimee Pink 3 Gary Freegard 4 Amy Owens 5 David Benton 6 0036187-24112017110120.pdf 36187.pdf 2017-11-24T11:01:20.5600000 Output 2179104 application/pdf Version of Record true 2017-11-24T00:00:00.0000000 This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 (CC-BY) License. true eng https://creativecommons.org/licenses/by/4.0/
title Getting to the heart of the matter: Does aberrant interoceptive processing contribute towards emotional eating?
spellingShingle Getting to the heart of the matter: Does aberrant interoceptive processing contribute towards emotional eating?
Hayley Young
Claire Williams
Aimee Pink
Gary Freegard
David Benton
title_short Getting to the heart of the matter: Does aberrant interoceptive processing contribute towards emotional eating?
title_full Getting to the heart of the matter: Does aberrant interoceptive processing contribute towards emotional eating?
title_fullStr Getting to the heart of the matter: Does aberrant interoceptive processing contribute towards emotional eating?
title_full_unstemmed Getting to the heart of the matter: Does aberrant interoceptive processing contribute towards emotional eating?
title_sort Getting to the heart of the matter: Does aberrant interoceptive processing contribute towards emotional eating?
author_id_str_mv 22748f1a953255d63cb6ab9a98c11d70
21dc2ebf100cf324becc27e8db6fde8d
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author_id_fullname_str_mv 22748f1a953255d63cb6ab9a98c11d70_***_Hayley Young
21dc2ebf100cf324becc27e8db6fde8d_***_Claire Williams
b104bd4518ffc637bf9091ef85ff3a9b_***_Aimee Pink
dfc0c01fbf9bbcf181cdade18bee8fea_***_Gary Freegard
7845ee79286c74b7939198c94e9e16ff_***_David Benton
author Hayley Young
Claire Williams
Aimee Pink
Gary Freegard
David Benton
author2 Hayley Young
Claire Williams
Aimee Pink
Gary Freegard
Amy Owens
David Benton
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institution Swansea University
issn 1932-6203
doi_str_mv 10.1371/journal.pone.0186312
publisher Public Library of Science (PLoS)
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
url http://dx.doi.org/10.1371/journal.pone.0186312
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description According to estimates from Public Health England, by 2034 70% of adults are expected to be overweight or obese, therefore understanding the underpinning aetiology is a priority. Eating in response to negative affect contributes towards obesity, however, little is known about the underlying mechanisms. Evidence that visceral afferent signals contribute towards the experience of emotion is accumulating rapidly, with the emergence of new influential models of ‘active inference’. No longer viewed as a ‘bottom up’ process, new interoceptive facets based on ‘top down’ predictions have been proposed, although at present it is unclear which aspects of interoception contribute to aberrant eating behaviour and obesity. Study one examined the link between eating behaviour, body mass index and the novel interoceptive indices; interoceptive metacognitive awareness (IAw) and interoceptive prediction error (IPE), as well as the traditional measures; interoceptive accuracy (IAc) and interoceptive sensibility (IS). The dissociation between these interoceptive indices was confirmed. Emotional eaters were characterised by a heightened interoceptive signal but reduced meta-cognitive awareness of their interoceptive abilities. In addition, emotional eating correlated with IPE; effects that could not be accounted for by differences in anxiety and depression. Study two confirmed the positive association between interoceptive accuracy and emotional eating using a novel unbiased heartbeat discrimination task based on the method of constant stimuli. Results reveal new and important mechanistic insights into the processes that may underlie problematic affect regulation in overweight populations.
published_date 2017-10-18T03:45:11Z
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