Document Detail

Speech-related fatigue and fatigability in Parkinson's disease.
MedLine Citation:
PMID:  25152085     Owner:  NLM     Status:  Publisher    
Abstract This study tested the assumption that speech is more susceptible to fatigue than normal in persons with dysarthria. After 1 h of speech-like exercises, participants with Parkinson's disease (PD) were expected to report increased perceptions of fatigue and demonstrate fatigability by producing less precise speech with corresponding acoustic changes compared to neurologically normal participants. Twelve adults with idiopathic PD and 13 neurologically normal adults produced sentences with multiple lingual targets before and after six 10-min blocks of fast syllable or word productions. Both groups reported increasing self-perceived fatigue over time, but trained listeners failed to detect systematic differences in articulatory precision or speech naturalness between sentences produced before and after speech-related exercises. Similarly, few systematic acoustic differences occurred. These findings do not support the hypothesis that dysarthric speakers are particularly susceptible to speech-related fatigue; instead, speech articulation generally appears to be resistant to fatigue induced by an hour of moderate functional exercises.
Matthew J Makashay; Kevin R Cannard; Nancy Pearl Solomon
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-8-25
Journal Detail:
Title:  Clinical linguistics & phonetics     Volume:  -     ISSN:  1464-5076     ISO Abbreviation:  Clin Linguist Phon     Publication Date:  2014 Aug 
Date Detail:
Created Date:  2014-8-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8802622     Medline TA:  Clin Linguist Phon     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-19     Citation Subset:  -    
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