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Articulatory-Acoustic Changes Associated With Fluency Adaptation in Speakers With Parkinson Disease Who Stutter

Holdosh, Serena R
http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1563128552515036

Abstract Details

2019, Master of Science (MS), Bowling Green State University, Communication Disorders.
The aim of the present study was to investigate the changes in articulatory-acoustic behavior associated with fluency adaptation in speakers with Parkinson Disease (PD). Prior studies suggest that a reduction in stuttering moments over successive repetitions of the same speech material (i.e., fluency adaptation) is accompanied by increases in speech rate, decreases in word and vowel durations, and decreases in the extent of consonant-vowel transitions, all of which are indicative of changes in articulatory and co-articulatory behavior (i.e., Max & Caruso, 1998). For the current study, speech samples from participants with PD who exhibited fluency adaptation and fluent older adult controls were analyzed. Vowel space metrics of selected peripheral, nonperipheral, and diphthong vowels were calculated to determine the extent of articulatory-acoustic changes from Reading 1 and 5 of the Rainbow passage. Results suggest that speakers with PD exhibited a reduction in vowel space area that was accompanied by an increase in articulation rate. No systematic changes in the intra-vocalic formant metrics were observed between Reading 1 and 5. However, expected differences between the vowel categories were observed. Differences vowel space metrics between speakers with PD and controls may potentially suggest that speakers with PD exhibit a decreased range of motion, as formant space reflects movement of the vocal tract.
Jason Whitfield, Ph.D. (Advisor)
Ronald Scherer, Ph.D. (Committee Member)
Adam Fullenkamp, Ph.D. (Committee Member)
79 p.
Acoustics; Speech Therapy
Parkinson disease; Speech Acoustics; Articulation; Fluency; Fluency Adaptation

Recommended Citations

Citations

  • Holdosh, S. R. (2019). Articulatory-Acoustic Changes Associated With Fluency Adaptation in Speakers With Parkinson Disease Who Stutter [Master's thesis, Bowling Green State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1563128552515036

    APA Style (7th edition)

  • Holdosh, Serena. Articulatory-Acoustic Changes Associated With Fluency Adaptation in Speakers With Parkinson Disease Who Stutter. 2019. Bowling Green State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1563128552515036.

    MLA Style (8th edition)

  • Holdosh, Serena. "Articulatory-Acoustic Changes Associated With Fluency Adaptation in Speakers With Parkinson Disease Who Stutter." Master's thesis, Bowling Green State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1563128552515036

    Chicago Manual of Style (17th edition)

bgsu1563128552515036
288
© 2019, all rights reserved.
This open access ETD is published by Bowling Green State University and OhioLINK.