Olivocochlear Efferents in Animals and Humans: From Anatomy to Clinical Relevance

Olivocochlear efferents allow the central auditory system to adjust the functioning of the inner ear during active and passive listening. While many aspects of efferent anatomy, physiology and function are well established, others remain controversial. This article reviews the current knowledge on o...

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Detalles Bibliográficos
Autor: López-Poveda, Enrique A.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2018
País:España
Institución:Universidad de Salamanca (USAL)
Repositorio:GREDOS. Repositorio Institucional de la Universidad de Salamanca
OAI Identifier:oai:gredos.usal.es:10366/154847
Acceso en línea:http://hdl.handle.net/10366/154847
Access Level:acceso abierto
Palabra clave:attention
cochlear implants
learning
olivocochlear reflex
otoacoustic emissions
psychoacoustics
speech-in-noise
superior olivary complex
2411.13 Fisiología de la Audición
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repository_id_str
spelling Olivocochlear Efferents in Animals and Humans: From Anatomy to Clinical RelevanceLópez-Poveda, Enrique A.attentioncochlear implantslearningolivocochlear reflexotoacoustic emissionspsychoacousticsspeech-in-noisesuperior olivary complex2411.13 Fisiología de la AudiciónOlivocochlear efferents allow the central auditory system to adjust the functioning of the inner ear during active and passive listening. While many aspects of efferent anatomy, physiology and function are well established, others remain controversial. This article reviews the current knowledge on olivocochlear efferents, with emphasis on human medial efferents. The review covers (1) the anatomy and physiology of olivocochlear efferents in animals; (2) the methods used for investigating this auditory feedback system in humans, their limitations and best practices; (3) the characteristics of medial-olivocochlear efferents in humans, with a critical analysis of some discrepancies across human studies and between animal and human studies; (4) the possible roles of olivocochlear efferents in hearing, discussing the evidence in favor and against their role in facilitating the detection of signals in noise and in protecting the auditory system from excessive acoustic stimulation; and (5) the emerging association between abnormal olivocochlear efferent function and several health conditions. Finally, we summarize some open issues and introduce promising approaches for investigating the roles of efferents in human hearing using cochlear implants.Work supported by the Spanish Ministry of Economy and Competitiveness (ref. BFU2015-65376-P).202420242018info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10366/154847reponame:GREDOS. Repositorio Institucional de la Universidad de Salamancainstname:Universidad de Salamanca (USAL)Inglésinfo:eu-repo/semantics/openAccessoai:gredos.usal.es:10366/1548472026-06-07T06:28:51Z
dc.title.none.fl_str_mv Olivocochlear Efferents in Animals and Humans: From Anatomy to Clinical Relevance
title Olivocochlear Efferents in Animals and Humans: From Anatomy to Clinical Relevance
spellingShingle Olivocochlear Efferents in Animals and Humans: From Anatomy to Clinical Relevance
López-Poveda, Enrique A.
attention
cochlear implants
learning
olivocochlear reflex
otoacoustic emissions
psychoacoustics
speech-in-noise
superior olivary complex
2411.13 Fisiología de la Audición
title_short Olivocochlear Efferents in Animals and Humans: From Anatomy to Clinical Relevance
title_full Olivocochlear Efferents in Animals and Humans: From Anatomy to Clinical Relevance
title_fullStr Olivocochlear Efferents in Animals and Humans: From Anatomy to Clinical Relevance
title_full_unstemmed Olivocochlear Efferents in Animals and Humans: From Anatomy to Clinical Relevance
title_sort Olivocochlear Efferents in Animals and Humans: From Anatomy to Clinical Relevance
dc.creator.none.fl_str_mv López-Poveda, Enrique A.
author López-Poveda, Enrique A.
author_facet López-Poveda, Enrique A.
author_role author
dc.subject.none.fl_str_mv attention
cochlear implants
learning
olivocochlear reflex
otoacoustic emissions
psychoacoustics
speech-in-noise
superior olivary complex
2411.13 Fisiología de la Audición
topic attention
cochlear implants
learning
olivocochlear reflex
otoacoustic emissions
psychoacoustics
speech-in-noise
superior olivary complex
2411.13 Fisiología de la Audición
description Olivocochlear efferents allow the central auditory system to adjust the functioning of the inner ear during active and passive listening. While many aspects of efferent anatomy, physiology and function are well established, others remain controversial. This article reviews the current knowledge on olivocochlear efferents, with emphasis on human medial efferents. The review covers (1) the anatomy and physiology of olivocochlear efferents in animals; (2) the methods used for investigating this auditory feedback system in humans, their limitations and best practices; (3) the characteristics of medial-olivocochlear efferents in humans, with a critical analysis of some discrepancies across human studies and between animal and human studies; (4) the possible roles of olivocochlear efferents in hearing, discussing the evidence in favor and against their role in facilitating the detection of signals in noise and in protecting the auditory system from excessive acoustic stimulation; and (5) the emerging association between abnormal olivocochlear efferent function and several health conditions. Finally, we summarize some open issues and introduce promising approaches for investigating the roles of efferents in human hearing using cochlear implants.
publishDate 2018
dc.date.none.fl_str_mv 2018
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10366/154847
url http://hdl.handle.net/10366/154847
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv reponame:GREDOS. Repositorio Institucional de la Universidad de Salamanca
instname:Universidad de Salamanca (USAL)
instname_str Universidad de Salamanca (USAL)
reponame_str GREDOS. Repositorio Institucional de la Universidad de Salamanca
collection GREDOS. Repositorio Institucional de la Universidad de Salamanca
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300724

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