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Title: Perception of audio-visual speech synchrony in Spanish-speaking children with and without specific language impairment
Author: Pons Gimeno, Ferran
Andreu Barrachina, Llorenç  
Sanz Torrent, Mònica
Buil Legaz, Lucía
Lewkowicz, David J.
Others: Universitat Oberta de Catalunya. Internet Interdisciplinary Institute (IN3)
Universitat de Barcelona
Florida Atlantic University
Keywords: specific language impairment
Issue Date: 25-Apr-2012
Publisher: Journal of Child Language
Citation: Pons, F., Andreu Barrachina, L., Sanz Torrent, M., Buil Legaz, L. & Lewkowicz, D. (2013). Perception of audio-visual speech synchrony in Spanish-speaking children with and without specific language impairment. Journal of Child Language, 40(3), 687-700. doi: 10.1017/S0305000912000189
Project identifier: info:eu-repo/grantAgreement/BCS0751888
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Abstract: Speech perception involves the integration of auditory and visual articulatory information and, thus, requires the perception of temporal synchrony between this information. There is evidence that children with Specific Language Impairment (SLI) have difficulty with auditory speech perception but it is not known if this is also true for the integration of auditory and visual speech. Twenty Spanish-speaking children with SLI, twenty typically developing age-matched Spanishspeaking children, and twenty Spanish-speaking children matched for MLU-w participated in an eye-tracking study to investigate the perception of audiovisual speech synchrony. Results revealed that children with typical language development perceived an audiovisual asynchrony of 666ms regardless of whether the auditory or visual speech attribute led the other one. Children with SLI only detected the 666 ms asynchrony when the auditory component followed the visual component. None of the groups perceived an audiovisual asynchrony of 366ms. These results suggest that the difficulty of speech processing by children with SLI would also involve difficulties in integrating auditory and visual aspects of speech perception.
Language: English
ISSN: 0305-0009MIAR
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