Visual feedback during speech production.
The question of whether visual information can affect ongoing speech production arises from numerous studies demonstrating an interaction between auditory and visual information during speech perception. In a preliminary study, the effect of delayed visual feedback on speech production was examined. Two of the 13 subjects demonstrated speech errors that were directly related to the delayed visual signal. However, in the main experiment, providing immediate visual feedback of the articulators did not diminish the effects of delayed auditory feedback for 11 speakers.
Tye-Murray
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D005246:Feedback; D006801:Humans; D013060:Speech; D013067:Speech Perception; D014796:Visual Perception