PSY384H5 Lecture Notes - Lecture 10: Speech Perception, Lip Reading, Spoonerism
Document Summary
March 15th, 2012: most verbal communication occurs in context where the listener can see the speaker as well as hear him/her. Results: all age groups far less accurate with visual and auditory input, responses were dominated by one modality, this tended to be the auditory modality for children and visual modality for adults. Speech perception is inherently multimodal: visual information aids speech perception, sometimes visual information over-rides acoustic information (audio ba + visual. Prosodic information can be gleaned from visual speech: word stress, sentence intonation (question vs. Statement: pitch changes associated with lexical tone, eg. **question: what implications do these findings have for theories of speech: auditory based theories of speech perception cannot account for things like the mcgurk effect. Late integration theories argue that auditory visual streams of information are analyzed separately: top down effects of lexical status support late integration theories.
