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Prosem Lecture: Looping Speech Perception in Production: Auditory and Audio-visual Processing in Individuals Who Stutter
February 17, 2022 @ 4:00 pm - 5:00 pm
Presenter: Dhatri S. Devaraju, Ph.D., Post-doctoral Research Associate, Department of Communication Science and Disorders, University of Pittsburgh
Topic: Looping Speech Perception in Production: Auditory and Audio-visual Processing in Individuals Who Stutter
A breakdown in the speech perception-production link has been postulated in individuals who stutter according to various models of speech production. Superior temporal cortex is the area which encases the auditory sensory system which is posited to be poorly mapped onto the internal model of vocal tract important for speech production in individuals who stutter. The same area is crucial in both auditory and audio-visual speech processing. Studies probing into how poor representations in these sensory systems in individuals who stutter translate to neural correlates of auditory and audio-visual speech perception in them will be discussed. Further, the role of cognitive factors such as auditory memory, attention, inhibition control and competing signals in auditory and visual perception will be discussed in brief. Implications of these findings to investigate the developmental aspects of these various processes and relevance to etiology of stuttering will be discussed as future research directions.
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