Audiovisual integration in children listening to spectrally degraded speech

Maidment, D.W. and Kang, H.J. and Stewart, H.J. and Amitay, S. (2015) Audiovisual integration in children listening to spectrally degraded speech. Journal of Speech, Language, and Hearing Research, 58 (1). pp. 61-68. ISSN 1092-4388

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Purpose The study explored whether visual information improves speech identification in typically developing children with normal hearing when the auditory signal is spectrally degraded. Method Children (n = 69) and adults (n = 15) were presented with noise-vocoded sentences from the Children’s Co-ordinate Response Measure (Rosen, 2011) in auditory-only or audiovisual conditions. The number of bands was adaptively varied to modulate the degradation of the auditory signal, with the number of bands required for approximately 79% correct identification calculated as the threshold. Results The youngest children (4- to 5-year-olds) did not benefit from accompanying visual information, in comparison to 6- to 11-year-old children and adults. Audiovisual gain also increased with age in the child sample. Conclusions The current data suggest that children younger than 6 years of age do not fully utilize visual speech cues to enhance speech perception when the auditory signal is degraded. This evidence not only has implications for understanding the development of speech perception skills in children with normal hearing but may also inform the development of new treatment and intervention strategies that aim to remediate speech perception difficulties in pediatric cochlear implant users.

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Journal Article
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Journal of Speech, Language, and Hearing Research
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26 Apr 2022 11:10
Last Modified:
15 Sep 2023 04:41