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Direct linkCarl, Micalle; Kent, Raymond D.; Levy, Erika S.; Whalen, D. H. – Journal of Speech, Language, and Hearing Research, 2020
Purpose: Speech production deficits and reduced intelligibility are frequently noted in individuals with Down syndrome (DS) and are attributed to a combination of several factors. This study reports acoustic data on vowel production in young adults with DS and relates these findings to perceptual analysis of speech intelligibility. Method:…
Descriptors: Down Syndrome, Vowels, Acoustics, Speech Communication
Kent, Raymond D.; Eichhorn, Julie; Wilson, Erin M.; Suk, Youmi; Bolt, Daniel M.; Vorperian, Houri K. – Journal of Speech, Language, and Hearing Research, 2021
Purpose: The aim of this study was to determine how the speech disorder profiles in Down syndrome (DS) relate to reduced intelligibility, atypical overall quality, and impairments in the subsystems of speech production (phonation, articulation, resonance, and prosody). Method: Auditory-perceptual ratings of intelligibility, overall quality, and…
Descriptors: Down Syndrome, Children, Adults, Speech Impairments
Rosen, Kristin M.; Kent, Raymond D.; Delaney, Amy L.; Duffy, Joseph R. – Journal of Speech, Language, and Hearing Research, 2006
Purpose: This study's main purpose was to (a) identify acoustic signatures of hypokinetic dysarthria (HKD) that are robust to phonetic variation in conversational speech and (b) determine specific characteristics of the variability associated with HKD. Method: Twenty healthy control (HC) participants and 20 participants with HKD associated with…
Descriptors: Acoustics, Speech Impairments, Neurological Impairments, Comparative Analysis
