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Neural And Behavioral Responses To The Use Of Auditory Feedback In Vocal Control, Colin S. Haweo
Neural And Behavioral Responses To The Use Of Auditory Feedback In Vocal Control, Colin S. Haweo
Theses and Dissertations (Comprehensive)
A large body of evidence suggests that the motor system maintains a forward model that predicts the sensory outcome of movements. When sensory feedback does not match the predicted consequences, a compensatory response corrects for the motor error and the forward model is updated to prevent future errors. Like other motor behaviours, vocalization relies on sensory feedback for the maintenance of forward models and to stabilize vocalizations.
Experiment 1 used event-related potentials (ERPs) to examine sensory processing of short feedback perturbations during an ongoing utterance. In one session, participants produced a vowel at an FO of their own choosing. In …