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Direct linkLansford, Kaitlin L.; Liss, Julie M. – Journal of Speech, Language, and Hearing Research, 2014
Purpose: The purpose of this study was to determine the extent to which vowel metrics are capable of distinguishing healthy from dysarthric speech and among different forms of dysarthria. Method: A variety of vowel metrics were derived from spectral and temporal measurements of vowel tokens embedded in phrases produced by 45 speakers with…
Descriptors: Vowels, Acoustics, Speech Impairments, Clinical Diagnosis
Lansford, Kaitlin L.; Liss, Julie M. – Journal of Speech, Language, and Hearing Research, 2014
Purpose: The aim of the present report was to explore whether vowel metrics, demonstrated to distinguish dysarthric and healthy speech in a companion article (Lansford & Liss, 2014), are able to predict human perceptual performance. Method: Vowel metrics derived from vowels embedded in phrases produced by 45 speakers with dysarthria were…
Descriptors: Vowels, Acoustics, Articulation Impairments, Neurological Impairments
Liss, Julie M.; White, Laurence; Mattys, Sven L.; Lansford, Kaitlin; Lotto, Andrew J.; Spitzer, Stephanie M.; Caviness, John N. – Journal of Speech, Language, and Hearing Research, 2009
Purpose: In this study, the authors examined whether rhythm metrics capable of distinguishing languages with high and low temporal stress contrast also can distinguish among control and dysarthric speakers of American English with perceptually distinct rhythm patterns. Methods: Acoustic measures of vocalic and consonantal segment durations were…
Descriptors: North American English, Language Rhythm, Articulation Impairments, Control Groups
