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Clear speech adaptations in spontaneous speech produced by young and older adults

Hazan, VL; Tuomainen, O; Kim, J; Davis, C; Sheffield, B; Brungart, D; (2018) Clear speech adaptations in spontaneous speech produced by young and older adults. Journal of the Acoustical Society of America , 144 (3) , Article 1331. 10.1121/1.5053218. Green open access

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Abstract

The study investigated the speech adaptations by older adults with and without age-related hearing loss made to communicate effectively in challenging communicative conditions. Acoustic analyses were carried out on spontaneous speech produced during a problem-solving task (diapix) carried out by talker pairs in different listening conditions. There were 83 talkers of Southern British English. 57 talkers were older adults (OA) aged 65-84: 30 with normal hearing (OANH) and 27 (OAHL) with presbycusis (mean PTA .250-4kHz: 27.7 dB HL). 26 talkers were younger adults (YA) aged 18-26 with normal hearing. Participants were recorded while completing the diapix task with a conversational partner (YA of the same sex) when (a) both talkers heard normally (NORM), (b) the partner had a simulated hearing loss (HLS) and (c) both talkers heard babble noise (BAB2). Irrespective of hearing status, there were age-related differences in some acoustic characteristics of YA and OA speech produced in NORM, most likely linked to physiological factors. In challenging conditions, while OANH talkers typically patterned with YA talkers, OAHL talkers made adaptations more consistent with an increase in vocal effort. Our study suggests that even mild presbycusis in healthy older adults can affect the speech adaptations made to maintain effective communication.

Type: Article
Title: Clear speech adaptations in spontaneous speech produced by young and older adults
Open access status: An open access version is available from UCL Discovery
DOI: 10.1121/1.5053218
Publisher version: https://doi.org/10.1121/1.5053218
Language: English
Additional information: This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: Speech production, Ageing, Clear speech, spontaneous speech
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Speech, Hearing and Phonetic Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/10054686
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