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Effects of Consonant-Vowel Transitions in Speech Stimuli on Cortical Auditory Evoked Potentials in Adults

We examined the neural activation to consonant-vowel transitions by cortical auditory evoked potentials (AEPs). The aim was to show whether cortical response patterns to speech stimuli contain components due to one of the temporal features, the voice-onset time (VOT). In seven normal-hearing adults,...

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Detalles Bibliográficos
Autores principales: Doellinger, Michael, Burger, Martin, Hoppe, Ulrich, Bosco, Enrico, Eysholdt, Ulrich
Formato: Texto
Lenguaje:English
Publicado: Bentham Open 2011
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3106335/
https://www.ncbi.nlm.nih.gov/pubmed/21643536
http://dx.doi.org/10.2174/1874205X01105010037
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author Doellinger, Michael
Burger, Martin
Hoppe, Ulrich
Bosco, Enrico
Eysholdt, Ulrich
author_facet Doellinger, Michael
Burger, Martin
Hoppe, Ulrich
Bosco, Enrico
Eysholdt, Ulrich
author_sort Doellinger, Michael
collection PubMed
description We examined the neural activation to consonant-vowel transitions by cortical auditory evoked potentials (AEPs). The aim was to show whether cortical response patterns to speech stimuli contain components due to one of the temporal features, the voice-onset time (VOT). In seven normal-hearing adults, the cortical responses to four different monosyllabic words were opposed to the cortical responses to noise stimuli with the same temporal envelope as the speech stimuli. Significant hemispheric asymmetries were found for speech but not in noise evoked potentials. The difference signals between the AEPs to speech and corresponding noise stimuli revealed a significant negative component, which correlated with the VOT. The hemispheric asymmetries can be referred to rapid spectral changes. The correlation with the VOT indicates that the significant component in the difference signal reflects the perception of the acoustic change within the consonant-vowel transition. Thus, at the level of automatic processing, the characteristics of speech evoked potentials appear to be determined primarily by temporal aspects of the eliciting stimuli.
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spelling pubmed-31063352011-06-03 Effects of Consonant-Vowel Transitions in Speech Stimuli on Cortical Auditory Evoked Potentials in Adults Doellinger, Michael Burger, Martin Hoppe, Ulrich Bosco, Enrico Eysholdt, Ulrich Open Neurol J Article We examined the neural activation to consonant-vowel transitions by cortical auditory evoked potentials (AEPs). The aim was to show whether cortical response patterns to speech stimuli contain components due to one of the temporal features, the voice-onset time (VOT). In seven normal-hearing adults, the cortical responses to four different monosyllabic words were opposed to the cortical responses to noise stimuli with the same temporal envelope as the speech stimuli. Significant hemispheric asymmetries were found for speech but not in noise evoked potentials. The difference signals between the AEPs to speech and corresponding noise stimuli revealed a significant negative component, which correlated with the VOT. The hemispheric asymmetries can be referred to rapid spectral changes. The correlation with the VOT indicates that the significant component in the difference signal reflects the perception of the acoustic change within the consonant-vowel transition. Thus, at the level of automatic processing, the characteristics of speech evoked potentials appear to be determined primarily by temporal aspects of the eliciting stimuli. Bentham Open 2011-05-04 /pmc/articles/PMC3106335/ /pubmed/21643536 http://dx.doi.org/10.2174/1874205X01105010037 Text en © Doellinger et al.; Licensee Bentham Open. http://creativecommons.org/licenses/by-nc/3.0/ This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.
spellingShingle Article
Doellinger, Michael
Burger, Martin
Hoppe, Ulrich
Bosco, Enrico
Eysholdt, Ulrich
Effects of Consonant-Vowel Transitions in Speech Stimuli on Cortical Auditory Evoked Potentials in Adults
title Effects of Consonant-Vowel Transitions in Speech Stimuli on Cortical Auditory Evoked Potentials in Adults
title_full Effects of Consonant-Vowel Transitions in Speech Stimuli on Cortical Auditory Evoked Potentials in Adults
title_fullStr Effects of Consonant-Vowel Transitions in Speech Stimuli on Cortical Auditory Evoked Potentials in Adults
title_full_unstemmed Effects of Consonant-Vowel Transitions in Speech Stimuli on Cortical Auditory Evoked Potentials in Adults
title_short Effects of Consonant-Vowel Transitions in Speech Stimuli on Cortical Auditory Evoked Potentials in Adults
title_sort effects of consonant-vowel transitions in speech stimuli on cortical auditory evoked potentials in adults
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3106335/
https://www.ncbi.nlm.nih.gov/pubmed/21643536
http://dx.doi.org/10.2174/1874205X01105010037
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