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Audiovisual integration in children listening to spectrally degraded speech

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posted on 14.01.2019, 12:21 by David MaidmentDavid Maidment, Hi Jee Kang, Hannah J. Stewart, Sygal Amitay
© 2015 American Speech-Language-Hearing Association. 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 auditoryonly 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.

Funding

This research was supported by the Medical Research Council, United Kingdom (Grant U135097130).

History

School

  • Sport, Exercise and Health Sciences

Published in

Journal of Speech, Language, and Hearing Research

Volume

58

Issue

1

Pages

61 - 68

Citation

MAIDMENT, D. ... et al., 2015. Audiovisual integration in children listening to spectrally degraded speech. Journal of Speech, Language, and Hearing Research, 58(1), pp. 61 - 68.

Publisher

© The Authors. Published by American Speech-Language-Hearing Association

Version

VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution 4.0 International (CC BY 4.0) licence. Full details of this licence are available at: http://creativecommons.org/licenses/ by/4.0/

Publication date

2015

Notes

This is an Open Access Article. It is published by American Speech-Language-Hearing Association under the Creative Commons Attribution 4.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/

ISSN

1092-4388

Language

en

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