The obese brain athlete: self-regulation of the anterior insula in adiposity.

The anterior insular cortex (AIC) is involved in emotional processes and gustatory functions which can be examined by imaging techniques. Such imaging studies showed increased activation in the insula in response to food stimuli as well as a differential activation in lean and obese people. Addition...

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Autores principales:	Sabine Frank, Sangkyun Lee, Hubert Preissl, Bernd Schultes, Niels Birbaumer, Ralf Veit
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5a24f4943666481380d97e8c61e9a846
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id	oai:doaj.org-article:5a24f4943666481380d97e8c61e9a846
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spelling	oai:doaj.org-article:5a24f4943666481380d97e8c61e9a8462021-11-18T07:09:19ZThe obese brain athlete: self-regulation of the anterior insula in adiposity.1932-620310.1371/journal.pone.0042570https://doaj.org/article/5a24f4943666481380d97e8c61e9a8462012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22905151/?tool=EBIhttps://doaj.org/toc/1932-6203The anterior insular cortex (AIC) is involved in emotional processes and gustatory functions which can be examined by imaging techniques. Such imaging studies showed increased activation in the insula in response to food stimuli as well as a differential activation in lean and obese people. Additionally, studies investigating lean subjects established the voluntary regulation of the insula by a real-time functional magnetic resonance imaging-brain computer interface (rtfMRI-BCI) approach. In this exploratory study, 11 lean and 10 obese healthy, male participants were investigated in a rtfMRI-BCI protocol. During the training sessions, all obese participants were able to regulate the activity of the AIC voluntarily, while four lean participants were not able to regulate at all. In successful regulators, functional connectivity during regulation vs. relaxation between the AIC and all other regions of the brain was determined by a seed voxel approach. Lean in comparison to obese regulators showed stronger connectivity in cingular and temporal cortices during regulation. We conclude, that obese people possess an improved capacity to self-regulate the anterior insula, a brain system tightly related to bodily awareness and gustatory functions.Sabine FrankSangkyun LeeHubert PreisslBernd SchultesNiels BirbaumerRalf VeitPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 8, p e42570 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sabine Frank Sangkyun Lee Hubert Preissl Bernd Schultes Niels Birbaumer Ralf Veit The obese brain athlete: self-regulation of the anterior insula in adiposity.
description	The anterior insular cortex (AIC) is involved in emotional processes and gustatory functions which can be examined by imaging techniques. Such imaging studies showed increased activation in the insula in response to food stimuli as well as a differential activation in lean and obese people. Additionally, studies investigating lean subjects established the voluntary regulation of the insula by a real-time functional magnetic resonance imaging-brain computer interface (rtfMRI-BCI) approach. In this exploratory study, 11 lean and 10 obese healthy, male participants were investigated in a rtfMRI-BCI protocol. During the training sessions, all obese participants were able to regulate the activity of the AIC voluntarily, while four lean participants were not able to regulate at all. In successful regulators, functional connectivity during regulation vs. relaxation between the AIC and all other regions of the brain was determined by a seed voxel approach. Lean in comparison to obese regulators showed stronger connectivity in cingular and temporal cortices during regulation. We conclude, that obese people possess an improved capacity to self-regulate the anterior insula, a brain system tightly related to bodily awareness and gustatory functions.
format	article
author	Sabine Frank Sangkyun Lee Hubert Preissl Bernd Schultes Niels Birbaumer Ralf Veit
author_facet	Sabine Frank Sangkyun Lee Hubert Preissl Bernd Schultes Niels Birbaumer Ralf Veit
author_sort	Sabine Frank
title	The obese brain athlete: self-regulation of the anterior insula in adiposity.
title_short	The obese brain athlete: self-regulation of the anterior insula in adiposity.
title_full	The obese brain athlete: self-regulation of the anterior insula in adiposity.
title_fullStr	The obese brain athlete: self-regulation of the anterior insula in adiposity.
title_full_unstemmed	The obese brain athlete: self-regulation of the anterior insula in adiposity.
title_sort	obese brain athlete: self-regulation of the anterior insula in adiposity.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/5a24f4943666481380d97e8c61e9a846
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The obese brain athlete: self-regulation of the anterior insula in adiposity.

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