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Direct linkGroll, Matti D.; McKenna, Victoria S.; Hablani, Surbhi; Stepp, Cara E. – Journal of Speech, Language, and Hearing Research, 2020
Purpose: The goal of this study was to explore the relationships among vocal effort, extrinsic laryngeal muscle activity, and vocal tract length (VTL) within healthy speakers. We hypothesized that increased vocal effort would result in increased suprahyoid muscle activation and decreased VTL, as previously observed in individuals with vocal…
Descriptors: Human Body, Speech Communication, Physiology, Vowels
McKenna, Victoria S.; Llico, Andres F.; Mehta, Daryush D.; Perkell, Joseph S.; Stepp, Cara E. – Journal of Speech, Language, and Hearing Research, 2017
Purpose: This study examined the relationship between the magnitude of neck-surface vibration (NSV[subscript Mag]; transduced with an accelerometer) and intraoral estimates of subglottal pressure (P'[subscript sg]) during variations in vocal effort at 3 intensity levels. Method: Twelve vocally healthy adults produced strings of /p?/ syllables in 3…
Descriptors: Speech, Human Body, Acoustics, Measurement Equipment
