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Direct linkKnowles, Thea; Badh, Gursharan – Journal of Speech, Language, and Hearing Research, 2023
Purpose: The purpose of this study is to quantify the combined effects of face masks and effortful speech styles on speech intensity, spectral moments, and measures of spectral balance in talkers with Parkinson's disease. Method: Fifteen people with Parkinson's disease and 15 healthy, older controls read aloud sentences in three face mask…
Descriptors: Disease Control, Speech, Neurological Impairments, Diseases
Knowles, Thea; Adams, Scott G.; Jog, Mandar – Journal of Speech, Language, and Hearing Research, 2021
Purpose: The purpose of this study was to quantify changes in acoustic distinctiveness in two groups of talkers with Parkinson's disease as they modify across a wide range of speaking rates. Method: People with Parkinson's disease with and without deep brain stimulation and older healthy controls read 24 carrier phrases at different speech rates.…
Descriptors: Neurological Impairments, Diseases, Acoustics, Vowels
Knowles, Thea; Adams, Scott G.; Jog, Mandar – Journal of Speech, Language, and Hearing Research, 2021
Purpose: The aim of this study was to quantify changes in speech intelligibility in two cohorts of people with Parkinson's disease (PD; those with and without deep brain stimulation [DBS]) across a broad range of self-selected speech rate alterations in: (1) read sentences; and (2) extemporaneous speech (monologues). Method: Four speaker groups…
Descriptors: Diseases, Speech Communication, Speech Impairments, Intelligibility
