Abstract:
PURPOSE:The present study examines the impact of typical aging and Parkinson's disease (PD) on the relationship among breath pausing, syntax, and punctuation. METHOD:Thirty young adults, 25 typically aging older adults, and 15 individuals with PD participated. Fifteen participants were age- and sex-matched to the individuals with PD. Participants read a passage aloud 2 times. Utterance length, location of breath pauses relative to punctuation and syntax, and number of disfluencies and mazes were measured. RESULTS:Older adults produced shorter utterances, a smaller percentage of breaths at major boundaries, and a greater percentage of breaths at minor boundaries than did young adults, but there was no significant difference between older adults and individuals with PD on these measures. Individuals with PD took a greater percentage of breaths at locations unrelated to a syntactic boundary than did control participants. Individuals with PD produced more mazes than did control participants. Breaths were significantly correlated with punctuation for all groups. CONCLUSIONS:Changes in breath-pausing patterns in older adults are likely due to changes in respiratory physiology. However, in individuals with PD, such changes appear to result from a combination of changes to respiratory physiology and cognition.
journal_name
Am J Speech Lang Patholjournal_title
American journal of speech-language pathologyauthors
Huber JE,Darling M,Francis EJ,Zhang Ddoi
10.1044/1058-0360(2012/11-0059)subject
Has Abstractpub_date
2012-11-01 00:00:00pages
368-79issue
4eissn
1058-0360issn
1558-9110pii
1058-0360_2012_11-0059journal_volume
21pub_type
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