| Voice onset time in Parkinson disease. | |
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MedLine Citation:
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PMID: 19717164 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Research has found that speaking rate has an effect on voice onset time (VOT). Given that Parkinson disease (PD) affects speaking rate, the purpose of this study was to examine VOT with the effect of rate removed (VOT ratio), along with the traditional VOT measure, in individuals with PD. VOT and VOT ratio were examined in 9 individuals with PD (before and after taking medication), along with 9 matched controls. Place of articulation and vowel height had significant effects on VOT and VOT ratio for all groups, and there were no PD versus control differences. PD medication had a greater effect on VOT than VOT ratio, reflecting a rate-related VOT change rather than a pure VOT change. These data support the usefulness of examining both VOT and VOT ratio with individuals with PD, as this allows for dissociation between rate-related VOT changes and true VOT changes. Learning outcomes: The reader will be able to understand and describe: (1) voice onset time (VOT) and VOT ratio; (2) how VOT and VOT ratio are affected in individuals with Parkinson disease; and (3) the effect of medication on VOT and VOT ratio. |
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Authors:
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Emily Fischer; Alexander M Goberman |
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Publication Detail:
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Type: Journal Article Date: 2009-08-11 |
Journal Detail:
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Title: Journal of communication disorders Volume: 43 ISSN: 1873-7994 ISO Abbreviation: J Commun Disord Publication Date: 2010 Jan-Feb |
Date Detail:
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Created Date: 2010-01-28 Completed Date: 2010-04-12 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0260316 Medline TA: J Commun Disord Country: United States |
Other Details:
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Languages: eng Pagination: 21-34 Citation Subset: IM |
Copyright Information:
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(c) 2009 Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Communication Sciences and Disorders, 200 Health Center Building, Bowling Green State University, Bowling Green, OH 43403-0149, USA. emilybud@gmail.com |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aged, 80 and over Antiparkinson Agents / therapeutic use Biomechanics Dysarthria / drug therapy, physiopathology* Female Humans Male Middle Aged Mouth / drug effects, physiopathology Parkinson Disease / drug therapy, physiopathology* Phonetics Reproducibility of Results Severity of Illness Index Speech / drug effects, physiology Time Factors Voice / drug effects, physiology* |
| Chemical | |
Reg. No./Substance:
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0/Antiparkinson Agents |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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