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Lester-Smith, Rosemary A.; Daliri, Ayoub; Enos, Nicole; Abur, Defne; Lupiani, Ashling A.; Letcher, Sophia; Stepp, Cara E. – Journal of Speech, Language, and Hearing Research, 2020
Purpose: The purpose of this study was to explore the relationship between feedback and feedforward control of articulation and voice by measuring reflexive and adaptive responses to first formant (F[subscript 1]) and fundamental frequency (f[subscript o]) perturbations. In addition, perception of F[subscript 1] and f[subscript o] perturbation was…
Descriptors: Articulation (Speech), Auditory Perception, Speech Communication, Acoustics
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Daliri, Ayoub – Journal of Speech, Language, and Hearing Research, 2021
Purpose: The speech motor system uses feedforward and feedback control mechanisms that are both reliant on prediction errors. Here, we developed a state-space model to estimate the error sensitivity of the control systems. We examined (a) whether the model accounts for the error sensitivity of the control systems and (b) whether the two systems…
Descriptors: Speech Communication, Psychomotor Skills, Prediction, Error Patterns