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Peripheral hearing loss reduces the ability of children to direct selective attention during multi-talker listening

Holmes, Emma; Kitterick, Pádraig T.; Summerfield, A. Quentin

Authors

Emma Holmes eholme5@uwo.ca

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DR PADRAIG KITTERICK Padraig.Kitterick@nottingham.ac.uk
Associate Professor in Hearing Sciences Translational Hearing Research

A. Quentin Summerfield quentin.summerfield@york.ac.uk



Abstract

Restoring normal hearing requires knowledge of how peripheral and central auditory processes are affected by hearing loss. Previous research has focussed primarily on peripheral changes following sensorineural hearing loss, whereas consequences for central auditory processing have received less attention. We examined the ability of hearing-impaired children to direct auditory attention to a voice of interest (based on the talker’s spatial location or gender) in the presence of a common form of background noise: the voices of competing talkers (i.e. during multi-talker, or “Cocktail Party” listening). We measured brain activity using electro-encephalography (EEG) when children prepared to direct attention to the spatial location or gender of an upcoming target talker who spoke in a mixture of three talkers. Compared to normally-hearing children, hearing-impaired children showed significantly less evidence of preparatory brain activity when required to direct spatial attention. This finding is consistent with the idea that hearing-impaired children have a reduced ability to prepare spatial attention for an upcoming talker. Moreover, preparatory brain activity was not restored when hearing-impaired children listened with their acoustic hearing aids. An implication of these findings is that steps to improve auditory attention alongside acoustic hearing aids may be required to improve the ability of hearing-impaired children to understand speech in the presence of competing talkers.

Citation

Holmes, E., Kitterick, P. T., & Summerfield, A. Q. (2017). Peripheral hearing loss reduces the ability of children to direct selective attention during multi-talker listening. Hearing Research, 350, https://doi.org/10.1016/j.heares.2017.05.005

Journal Article Type Article
Acceptance Date May 8, 2017
Online Publication Date May 10, 2017
Publication Date Jul 1, 2017
Deposit Date May 10, 2017
Publicly Available Date May 10, 2017
Journal Hearing Research
Print ISSN 0378-5955
Electronic ISSN 1878-5891
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 350
DOI https://doi.org/10.1016/j.heares.2017.05.005
Keywords Hearing loss; Multi-talker listening; Auditory Attention;
Spatial attention; EEG; CNV
Public URL http://eprints.nottingham.ac.uk/id/eprint/42601
Publisher URL http://www.sciencedirect.com/science/article/pii/S0378595516303963
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0





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