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Audio‐visual speech in noise perception in dyslexia
Author(s) -
Laarhoven Thijs,
Keetels Mirjam,
Schakel Lemmy,
Vroomen Jean
Publication year - 2018
Publication title -
developmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.801
H-Index - 127
eISSN - 1467-7687
pISSN - 1363-755X
DOI - 10.1111/desc.12504
Subject(s) - psychology , audio visual , dyslexia , perception , speech perception , cognitive psychology , noise (video) , auditory perception , visual perception , audiology , speech recognition , reading (process) , linguistics , multimedia , computer science , artificial intelligence , neuroscience , medicine , philosophy , image (mathematics)
Individuals with developmental dyslexia ( DD ) may experience, besides reading problems, other speech‐related processing deficits. Here, we examined the influence of visual articulatory information (lip‐read speech) at various levels of background noise on auditory word recognition in children and adults with DD . We found that children with a documented history of DD have deficits in their ability to gain benefit from lip‐read information that disambiguates noise‐masked speech. We show with another group of adult individuals with DD that these deficits persist into adulthood. These deficits could not be attributed to impairments in unisensory auditory word recognition. Rather, the results indicate a specific deficit in audio‐visual speech processing and suggest that impaired multisensory integration might be an important aspect of DD .