Electroencephalography in eating disorders

Electroencephalography in eating disorders

Ignacio Jáuregui-Lobera1,21Behavioral Sciences Institute, 2Pablo de Olavide University, Seville, SpainAbstract: Clinical applications of electroencephalography (EEG) are used with different objectives, EEG being a noninvasive and painless procedure. In respect of eating disorders, in...

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Autor principal: Jáuregui-Lobera I
Formato: article
Lenguaje:EN
Publicado: Dove Medical Press 2011
Materias:
Neurosciences. Biological psychiatry. Neuropsychiatry
RC321-571
Neurology. Diseases of the nervous system
RC346-429
Acceso en línea:https://doaj.org/article/e794b4971aa24a469a69c7a5ac7e0cf3
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spelling oai:doaj.org-article:e794b4971aa24a469a69c7a5ac7e0cf32021-12-02T06:26:27ZElectroencephalography in eating disorders1176-63281178-2021https://doaj.org/article/e794b4971aa24a469a69c7a5ac7e0cf32011-12-01T00:00:00Zhttp://www.dovepress.com/electroencephalography-in-eating-disorders-a8958https://doaj.org/toc/1176-6328https://doaj.org/toc/1178-2021Ignacio Jáuregui-Lobera1,21Behavioral Sciences Institute, 2Pablo de Olavide University, Seville, SpainAbstract: Clinical applications of electroencephalography (EEG) are used with different objectives, EEG being a noninvasive and painless procedure. In respect of eating disorders, in the 1950s a new line of study about the neurological bases of anorexia nervosa was started and has since been developed. The purpose of this review is to update the existing literature data on the main findings in respect of EEG in eating disorders by means of a search conducted in PubMed. Despite the fact that weight gain tends to normalize some brain dysfunctions assessed by means of EEG, the specific effect of gaining weight remains controversial. Different studies have reported that cortical dysfunctions can be found in patients with anorexia nervosa even after weight gain, whereas others have reported a normalization of EEG in respect of the initial reduced alpha/increased beta power in those patients with refeeding. Findings of studies that have analyzed the possible relationship between eating disorders and depression, based on sleep EEG disturbances, do not support the idea of eating disorders as a variant of depression or affective disorders. Some EEG findings are very consistent with previous neuroimaging results on patients with anorexia nervosa, reporting neural disturbances in response to stimuli that are relevant to the pathology (eg, stimuli like food exposure, different emotional situations, or body images).Keywords: electroencephalography, event-related potentials, sleep, depression, refeeding, weight gainJáuregui-Lobera IDove Medical PressarticleNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571Neurology. Diseases of the nervous systemRC346-429ENNeuropsychiatric Disease and Treatment, Vol 2012, Iss default, Pp 1-11 (2011)
institution DOAJ
collection DOAJ
language EN
topic Neurosciences. Biological psychiatry. Neuropsychiatry
RC321-571
Neurology. Diseases of the nervous system
RC346-429
spellingShingle Neurosciences. Biological psychiatry. Neuropsychiatry
RC321-571
Neurology. Diseases of the nervous system
RC346-429
Jáuregui-Lobera I
Electroencephalography in eating disorders
description Ignacio Jáuregui-Lobera1,21Behavioral Sciences Institute, 2Pablo de Olavide University, Seville, SpainAbstract: Clinical applications of electroencephalography (EEG) are used with different objectives, EEG being a noninvasive and painless procedure. In respect of eating disorders, in the 1950s a new line of study about the neurological bases of anorexia nervosa was started and has since been developed. The purpose of this review is to update the existing literature data on the main findings in respect of EEG in eating disorders by means of a search conducted in PubMed. Despite the fact that weight gain tends to normalize some brain dysfunctions assessed by means of EEG, the specific effect of gaining weight remains controversial. Different studies have reported that cortical dysfunctions can be found in patients with anorexia nervosa even after weight gain, whereas others have reported a normalization of EEG in respect of the initial reduced alpha/increased beta power in those patients with refeeding. Findings of studies that have analyzed the possible relationship between eating disorders and depression, based on sleep EEG disturbances, do not support the idea of eating disorders as a variant of depression or affective disorders. Some EEG findings are very consistent with previous neuroimaging results on patients with anorexia nervosa, reporting neural disturbances in response to stimuli that are relevant to the pathology (eg, stimuli like food exposure, different emotional situations, or body images).Keywords: electroencephalography, event-related potentials, sleep, depression, refeeding, weight gain
format article
author Jáuregui-Lobera I
author_facet Jáuregui-Lobera I
author_sort Jáuregui-Lobera I
title Electroencephalography in eating disorders
title_short Electroencephalography in eating disorders
title_full Electroencephalography in eating disorders
title_fullStr Electroencephalography in eating disorders
title_full_unstemmed Electroencephalography in eating disorders
title_sort electroencephalography in eating disorders
publisher Dove Medical Press
publishDate 2011
url https://doaj.org/article/e794b4971aa24a469a69c7a5ac7e0cf3
work_keys_str_mv AT jampaacuteureguiloberai electroencephalographyineatingdisorders
_version_ 1718399966411489280

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