Cortical Auditory Evoked Potentials in Cognitive Impairment and Their Relevance to Hearing Loss: A Systematic Review Highlighting the Evidence Gap

Background: Alzheimer’s disease (AD) is the most prevalent cause of dementia which affects a growing number of people worldwide. Early identification of people at risk to develop AD should be prioritized. Hearing loss is considered an independent potentially modifiable risk factor for accelerated co...

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Autores principales:	Hanne Gommeren, Joyce Bosmans, Emilie Cardon, Griet Mertens, Patrick Cras, Sebastiaan Engelborghs, Angelique Van Ombergen, Annick Gilles, Marc Lammers, Vincent Van Rompaey
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	event related potentials (ERP) cortical auditory evoked potential (CAEP) hearing vestibular function dementia Alzheimer’s disease Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
Acceso en línea:	https://doaj.org/article/0b53083dfeb74b07bb7b04208e432bb7
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spelling	oai:doaj.org-article:0b53083dfeb74b07bb7b04208e432bb72021-11-18T09:42:41ZCortical Auditory Evoked Potentials in Cognitive Impairment and Their Relevance to Hearing Loss: A Systematic Review Highlighting the Evidence Gap1662-453X10.3389/fnins.2021.781322https://doaj.org/article/0b53083dfeb74b07bb7b04208e432bb72021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fnins.2021.781322/fullhttps://doaj.org/toc/1662-453XBackground: Alzheimer’s disease (AD) is the most prevalent cause of dementia which affects a growing number of people worldwide. Early identification of people at risk to develop AD should be prioritized. Hearing loss is considered an independent potentially modifiable risk factor for accelerated cognitive decline and dementia in older adults. The main outcome of interest of this review is the alteration of Cortical Auditory Evoked Potential (CAEP) morphology in an AD or mild cognitive impairment (MCI) population with and without hearing loss.Methods: Two investigators independently and systematically searched publications regarding auditory processing on a cortical level in people with cognitive impairment (MCI or AD) with and without hearing loss. Only articles which mentioned at least one auditory elicited event-related potential (ERP) component and that were written in English or Dutch were included. Animal studies were excluded. No restrictions were imposed regarding publication date. The reference list of potential sources were screened for additional articles.Results: This systematic review found no eligible articles that met all inclusion criteria. Therefore, no results were included, resulting in an empty systematic review.Conclusion: In general, dysfunction – being either from cognitive or auditory origin – reduces CAEP amplitudes and prolongs latencies. Therefore, CAEPs may be a prognostic indicator in the early stages of cognitive decline. However, it remains unclear which CAEP component alteration is due to cognitive impairment, and which is due to hearing loss (or even both). In addition, vestibular dysfunction – associated with hearing loss, cognitive impairment and AD – may also alter CAEP responses. Further CAEP studies are warranted, integrating cognitive, hearing, and vestibular evaluations.Hanne GommerenHanne GommerenJoyce BosmansEmilie CardonEmilie CardonGriet MertensGriet MertensPatrick CrasPatrick CrasSebastiaan EngelborghsSebastiaan EngelborghsAngelique Van OmbergenAnnick GillesAnnick GillesAnnick GillesMarc LammersMarc LammersVincent Van RompaeyVincent Van RompaeyFrontiers Media S.A.articleevent related potentials (ERP)cortical auditory evoked potential (CAEP)hearingvestibular functiondementiaAlzheimer’s diseaseNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571ENFrontiers in Neuroscience, Vol 15 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	event related potentials (ERP) cortical auditory evoked potential (CAEP) hearing vestibular function dementia Alzheimer’s disease Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
spellingShingle	event related potentials (ERP) cortical auditory evoked potential (CAEP) hearing vestibular function dementia Alzheimer’s disease Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Hanne Gommeren Hanne Gommeren Joyce Bosmans Emilie Cardon Emilie Cardon Griet Mertens Griet Mertens Patrick Cras Patrick Cras Sebastiaan Engelborghs Sebastiaan Engelborghs Angelique Van Ombergen Annick Gilles Annick Gilles Annick Gilles Marc Lammers Marc Lammers Vincent Van Rompaey Vincent Van Rompaey Cortical Auditory Evoked Potentials in Cognitive Impairment and Their Relevance to Hearing Loss: A Systematic Review Highlighting the Evidence Gap
description	Background: Alzheimer’s disease (AD) is the most prevalent cause of dementia which affects a growing number of people worldwide. Early identification of people at risk to develop AD should be prioritized. Hearing loss is considered an independent potentially modifiable risk factor for accelerated cognitive decline and dementia in older adults. The main outcome of interest of this review is the alteration of Cortical Auditory Evoked Potential (CAEP) morphology in an AD or mild cognitive impairment (MCI) population with and without hearing loss.Methods: Two investigators independently and systematically searched publications regarding auditory processing on a cortical level in people with cognitive impairment (MCI or AD) with and without hearing loss. Only articles which mentioned at least one auditory elicited event-related potential (ERP) component and that were written in English or Dutch were included. Animal studies were excluded. No restrictions were imposed regarding publication date. The reference list of potential sources were screened for additional articles.Results: This systematic review found no eligible articles that met all inclusion criteria. Therefore, no results were included, resulting in an empty systematic review.Conclusion: In general, dysfunction – being either from cognitive or auditory origin – reduces CAEP amplitudes and prolongs latencies. Therefore, CAEPs may be a prognostic indicator in the early stages of cognitive decline. However, it remains unclear which CAEP component alteration is due to cognitive impairment, and which is due to hearing loss (or even both). In addition, vestibular dysfunction – associated with hearing loss, cognitive impairment and AD – may also alter CAEP responses. Further CAEP studies are warranted, integrating cognitive, hearing, and vestibular evaluations.
format	article
author	Hanne Gommeren Hanne Gommeren Joyce Bosmans Emilie Cardon Emilie Cardon Griet Mertens Griet Mertens Patrick Cras Patrick Cras Sebastiaan Engelborghs Sebastiaan Engelborghs Angelique Van Ombergen Annick Gilles Annick Gilles Annick Gilles Marc Lammers Marc Lammers Vincent Van Rompaey Vincent Van Rompaey
author_facet	Hanne Gommeren Hanne Gommeren Joyce Bosmans Emilie Cardon Emilie Cardon Griet Mertens Griet Mertens Patrick Cras Patrick Cras Sebastiaan Engelborghs Sebastiaan Engelborghs Angelique Van Ombergen Annick Gilles Annick Gilles Annick Gilles Marc Lammers Marc Lammers Vincent Van Rompaey Vincent Van Rompaey
author_sort	Hanne Gommeren
title	Cortical Auditory Evoked Potentials in Cognitive Impairment and Their Relevance to Hearing Loss: A Systematic Review Highlighting the Evidence Gap
title_short	Cortical Auditory Evoked Potentials in Cognitive Impairment and Their Relevance to Hearing Loss: A Systematic Review Highlighting the Evidence Gap
title_full	Cortical Auditory Evoked Potentials in Cognitive Impairment and Their Relevance to Hearing Loss: A Systematic Review Highlighting the Evidence Gap
title_fullStr	Cortical Auditory Evoked Potentials in Cognitive Impairment and Their Relevance to Hearing Loss: A Systematic Review Highlighting the Evidence Gap
title_full_unstemmed	Cortical Auditory Evoked Potentials in Cognitive Impairment and Their Relevance to Hearing Loss: A Systematic Review Highlighting the Evidence Gap
title_sort	cortical auditory evoked potentials in cognitive impairment and their relevance to hearing loss: a systematic review highlighting the evidence gap
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/0b53083dfeb74b07bb7b04208e432bb7
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Cortical Auditory Evoked Potentials in Cognitive Impairment and Their Relevance to Hearing Loss: A Systematic Review Highlighting the Evidence Gap

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