Sensory-motor interactions for vocal pitch monitoring in non-primary human auditory cortex.

The neural mechanisms underlying processing of auditory feedback during self-vocalization are poorly understood. One technique used to study the role of auditory feedback involves shifting the pitch of the feedback that a speaker receives, known as pitch-shifted feedback. We utilized a pitch shift s...

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Autores principales:	Jeremy D W Greenlee, Roozbeh Behroozmand, Charles R Larson, Adam W Jackson, Fangxiang Chen, Daniel R Hansen, Hiroyuki Oya, Hiroto Kawasaki, Matthew A Howard
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b468715074fc4e3684b91530ae93c604
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spelling	oai:doaj.org-article:b468715074fc4e3684b91530ae93c6042021-11-18T07:50:19ZSensory-motor interactions for vocal pitch monitoring in non-primary human auditory cortex.1932-620310.1371/journal.pone.0060783https://doaj.org/article/b468715074fc4e3684b91530ae93c6042013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23577157/?tool=EBIhttps://doaj.org/toc/1932-6203The neural mechanisms underlying processing of auditory feedback during self-vocalization are poorly understood. One technique used to study the role of auditory feedback involves shifting the pitch of the feedback that a speaker receives, known as pitch-shifted feedback. We utilized a pitch shift self-vocalization and playback paradigm to investigate the underlying neural mechanisms of audio-vocal interaction. High-resolution electrocorticography (ECoG) signals were recorded directly from auditory cortex of 10 human subjects while they vocalized and received brief downward (-100 cents) pitch perturbations in their voice auditory feedback (speaking task). ECoG was also recorded when subjects passively listened to playback of their own pitch-shifted vocalizations. Feedback pitch perturbations elicited average evoked potential (AEP) and event-related band power (ERBP) responses, primarily in the high gamma (70-150 Hz) range, in focal areas of non-primary auditory cortex on superior temporal gyrus (STG). The AEPs and high gamma responses were both modulated by speaking compared with playback in a subset of STG contacts. From these contacts, a majority showed significant enhancement of high gamma power and AEP responses during speaking while the remaining contacts showed attenuated response amplitudes. The speaking-induced enhancement effect suggests that engaging the vocal motor system can modulate auditory cortical processing of self-produced sounds in such a way as to increase neural sensitivity for feedback pitch error detection. It is likely that mechanisms such as efference copies may be involved in this process, and modulation of AEP and high gamma responses imply that such modulatory effects may affect different cortical generators within distinctive functional networks that drive voice production and control.Jeremy D W GreenleeRoozbeh BehroozmandCharles R LarsonAdam W JacksonFangxiang ChenDaniel R HansenHiroyuki OyaHiroto KawasakiMatthew A HowardPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 4, p e60783 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jeremy D W Greenlee Roozbeh Behroozmand Charles R Larson Adam W Jackson Fangxiang Chen Daniel R Hansen Hiroyuki Oya Hiroto Kawasaki Matthew A Howard Sensory-motor interactions for vocal pitch monitoring in non-primary human auditory cortex.
description	The neural mechanisms underlying processing of auditory feedback during self-vocalization are poorly understood. One technique used to study the role of auditory feedback involves shifting the pitch of the feedback that a speaker receives, known as pitch-shifted feedback. We utilized a pitch shift self-vocalization and playback paradigm to investigate the underlying neural mechanisms of audio-vocal interaction. High-resolution electrocorticography (ECoG) signals were recorded directly from auditory cortex of 10 human subjects while they vocalized and received brief downward (-100 cents) pitch perturbations in their voice auditory feedback (speaking task). ECoG was also recorded when subjects passively listened to playback of their own pitch-shifted vocalizations. Feedback pitch perturbations elicited average evoked potential (AEP) and event-related band power (ERBP) responses, primarily in the high gamma (70-150 Hz) range, in focal areas of non-primary auditory cortex on superior temporal gyrus (STG). The AEPs and high gamma responses were both modulated by speaking compared with playback in a subset of STG contacts. From these contacts, a majority showed significant enhancement of high gamma power and AEP responses during speaking while the remaining contacts showed attenuated response amplitudes. The speaking-induced enhancement effect suggests that engaging the vocal motor system can modulate auditory cortical processing of self-produced sounds in such a way as to increase neural sensitivity for feedback pitch error detection. It is likely that mechanisms such as efference copies may be involved in this process, and modulation of AEP and high gamma responses imply that such modulatory effects may affect different cortical generators within distinctive functional networks that drive voice production and control.
format	article
author	Jeremy D W Greenlee Roozbeh Behroozmand Charles R Larson Adam W Jackson Fangxiang Chen Daniel R Hansen Hiroyuki Oya Hiroto Kawasaki Matthew A Howard
author_facet	Jeremy D W Greenlee Roozbeh Behroozmand Charles R Larson Adam W Jackson Fangxiang Chen Daniel R Hansen Hiroyuki Oya Hiroto Kawasaki Matthew A Howard
author_sort	Jeremy D W Greenlee
title	Sensory-motor interactions for vocal pitch monitoring in non-primary human auditory cortex.
title_short	Sensory-motor interactions for vocal pitch monitoring in non-primary human auditory cortex.
title_full	Sensory-motor interactions for vocal pitch monitoring in non-primary human auditory cortex.
title_fullStr	Sensory-motor interactions for vocal pitch monitoring in non-primary human auditory cortex.
title_full_unstemmed	Sensory-motor interactions for vocal pitch monitoring in non-primary human auditory cortex.
title_sort	sensory-motor interactions for vocal pitch monitoring in non-primary human auditory cortex.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/b468715074fc4e3684b91530ae93c604
work_keys_str_mv	AT jeremydwgreenlee sensorymotorinteractionsforvocalpitchmonitoringinnonprimaryhumanauditorycortex AT roozbehbehroozmand sensorymotorinteractionsforvocalpitchmonitoringinnonprimaryhumanauditorycortex AT charlesrlarson sensorymotorinteractionsforvocalpitchmonitoringinnonprimaryhumanauditorycortex AT adamwjackson sensorymotorinteractionsforvocalpitchmonitoringinnonprimaryhumanauditorycortex AT fangxiangchen sensorymotorinteractionsforvocalpitchmonitoringinnonprimaryhumanauditorycortex AT danielrhansen sensorymotorinteractionsforvocalpitchmonitoringinnonprimaryhumanauditorycortex AT hiroyukioya sensorymotorinteractionsforvocalpitchmonitoringinnonprimaryhumanauditorycortex AT hirotokawasaki sensorymotorinteractionsforvocalpitchmonitoringinnonprimaryhumanauditorycortex AT matthewahoward sensorymotorinteractionsforvocalpitchmonitoringinnonprimaryhumanauditorycortex
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Sensory-motor interactions for vocal pitch monitoring in non-primary human auditory cortex.

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