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Audiovisual speech perception: A new approach and implications for clinical populations
Author(s) -
Irwin Julia,
DiBlasi Lori
Publication year - 2017
Publication title -
language and linguistics compass
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.619
H-Index - 44
ISSN - 1749-818X
DOI - 10.1111/lnc3.12237
Subject(s) - perception , speech perception , psychology , cognitive psychology , autism spectrum disorder , motor theory of speech perception , autism , audiology , developmental psychology , neuroscience , medicine
This selected overview of audiovisual (AV) speech perception examines the influence of visible articulatory information on what is heard. Thought to be a cross‐cultural phenomenon that emerges early in typical language development, variables that influence AV speech perception include properties of the visual and the auditory signal, attentional demands, and individual differences. A brief review of the existing neurobiological evidence on how visual information influences heard speech indicates potential loci, timing, and facilitatory effects of AV over auditory only speech. The current literature on AV speech in certain clinical populations (individuals with an autism spectrum disorder, developmental language disorder, or hearing loss) reveals differences in processing that may inform interventions. Finally, a new method of assessing AV speech that does not require obvious cross‐category mismatch or auditory noise was presented as a novel approach for investigators.

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