Altered neural signatures of interoception in multiple sclerosis

Multiple sclerosis (MS) patients present several alterations related to sensing of bodily signals. However, no specific neurocognitive impairment has yet been proposed as a core deficit underlying such symptoms. We aimed to determine whether MS patients present changes in interoception—that is, the...

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Publicado: 2018
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Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10659471_v39_n12_p4743_Salamone
http://hdl.handle.net/20.500.12110/paper_10659471_v39_n12_p4743_Salamone
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spelling paper:paper_10659471_v39_n12_p4743_Salamone2023-06-08T16:04:16Z Altered neural signatures of interoception in multiple sclerosis body perception functional connectivity heartbeat detection task heartbeat evoked potential interoceptive processing multiple sclerosis adult anterior cingulate Article brain atrophy clinical article controlled study electroencephalogram evoked response female functional connectivity heart beat human insula interoception male multiple sclerosis neuroanatomy neurophysiology priority journal Multiple sclerosis (MS) patients present several alterations related to sensing of bodily signals. However, no specific neurocognitive impairment has yet been proposed as a core deficit underlying such symptoms. We aimed to determine whether MS patients present changes in interoception—that is, the monitoring of autonomic bodily information—a process that might be related to various bodily dysfunctions. We performed two studies in 34 relapsing–remitting, early-stage MS patients and 46 controls matched for gender, age, and education. In Study 1, we evaluated the heartbeat-evoked potential (HEP), a cortical signature of interoception, via a 128-channel EEG system during a heartbeat detection task including an exteroceptive and an interoceptive condition. Then, we obtained whole-brain MRI recordings. In Study 2, participants underwent fMRI recordings during two resting-state conditions: mind wandering and interoception. In Study 1, controls exhibited greater HEP modulation during the interoceptive condition than the exteroceptive one, but no systematic differences between conditions emerged in MS patients. Patients presented atrophy in the left insula, the posterior part of the right insula, and the right anterior cingulate cortex, with abnormal associations between neurophysiological and neuroanatomical patterns. In Study 2, controls showed higher functional connectivity and degree for the interoceptive state compared with mind wandering; however, this pattern was absent in patients, who nonetheless presented greater connectivity and degree than controls during mind wandering. MS patients were characterized by atypical multimodal brain signatures of interoception. This finding opens a new agenda to examine the role of inner-signal monitoring in the body symptomatology of MS. © 2018 Wiley Periodicals, Inc. 2018 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10659471_v39_n12_p4743_Salamone http://hdl.handle.net/20.500.12110/paper_10659471_v39_n12_p4743_Salamone
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic body perception
functional connectivity
heartbeat detection task
heartbeat evoked potential
interoceptive processing
multiple sclerosis
adult
anterior cingulate
Article
brain atrophy
clinical article
controlled study
electroencephalogram
evoked response
female
functional connectivity
heart beat
human
insula
interoception
male
multiple sclerosis
neuroanatomy
neurophysiology
priority journal
spellingShingle body perception
functional connectivity
heartbeat detection task
heartbeat evoked potential
interoceptive processing
multiple sclerosis
adult
anterior cingulate
Article
brain atrophy
clinical article
controlled study
electroencephalogram
evoked response
female
functional connectivity
heart beat
human
insula
interoception
male
multiple sclerosis
neuroanatomy
neurophysiology
priority journal
Altered neural signatures of interoception in multiple sclerosis
topic_facet body perception
functional connectivity
heartbeat detection task
heartbeat evoked potential
interoceptive processing
multiple sclerosis
adult
anterior cingulate
Article
brain atrophy
clinical article
controlled study
electroencephalogram
evoked response
female
functional connectivity
heart beat
human
insula
interoception
male
multiple sclerosis
neuroanatomy
neurophysiology
priority journal
description Multiple sclerosis (MS) patients present several alterations related to sensing of bodily signals. However, no specific neurocognitive impairment has yet been proposed as a core deficit underlying such symptoms. We aimed to determine whether MS patients present changes in interoception—that is, the monitoring of autonomic bodily information—a process that might be related to various bodily dysfunctions. We performed two studies in 34 relapsing–remitting, early-stage MS patients and 46 controls matched for gender, age, and education. In Study 1, we evaluated the heartbeat-evoked potential (HEP), a cortical signature of interoception, via a 128-channel EEG system during a heartbeat detection task including an exteroceptive and an interoceptive condition. Then, we obtained whole-brain MRI recordings. In Study 2, participants underwent fMRI recordings during two resting-state conditions: mind wandering and interoception. In Study 1, controls exhibited greater HEP modulation during the interoceptive condition than the exteroceptive one, but no systematic differences between conditions emerged in MS patients. Patients presented atrophy in the left insula, the posterior part of the right insula, and the right anterior cingulate cortex, with abnormal associations between neurophysiological and neuroanatomical patterns. In Study 2, controls showed higher functional connectivity and degree for the interoceptive state compared with mind wandering; however, this pattern was absent in patients, who nonetheless presented greater connectivity and degree than controls during mind wandering. MS patients were characterized by atypical multimodal brain signatures of interoception. This finding opens a new agenda to examine the role of inner-signal monitoring in the body symptomatology of MS. © 2018 Wiley Periodicals, Inc.
title Altered neural signatures of interoception in multiple sclerosis
title_short Altered neural signatures of interoception in multiple sclerosis
title_full Altered neural signatures of interoception in multiple sclerosis
title_fullStr Altered neural signatures of interoception in multiple sclerosis
title_full_unstemmed Altered neural signatures of interoception in multiple sclerosis
title_sort altered neural signatures of interoception in multiple sclerosis
publishDate 2018
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10659471_v39_n12_p4743_Salamone
http://hdl.handle.net/20.500.12110/paper_10659471_v39_n12_p4743_Salamone
_version_ 1768544146121818112