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Full-Text Articles in Speech and Hearing Science
Acoustic Changes During Passage Reading In Speakers With Parkinson's Disease, Kimberly C. Grubbs
Acoustic Changes During Passage Reading In Speakers With Parkinson's Disease, Kimberly C. Grubbs
LSU Master's Theses
Purpose: The purpose of this study was to evaluate speech changes in Parkinson’s disease (PD) while reading a passage, using both local (i.e., segment level) and global (i.e., utterance level) acoustic measures.
Methods: 20 speakers participated in the study (10 PD, 10 neurologically healthy controls). The speakers were asked to read The Caterpillar passage in a conversational mode. A total of five acoustic measures were included (local: vowel duration, Euclidean distance between corner vowels and schwa; global: articulation rate, F0/intensity range). These acoustic measures were compared between two sentences located in the two positions within the paragraph, initial and final. …