The dynamics of voiceless sibilant fricative production in children between seven and thirteen years old: an ultrasound and acoustic study

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dc.contributor.author Hardcastle, William J.
dc.contributor.author Gibbon, Fiona E.
dc.contributor.author Zharkova, Natalia
dc.date.accessioned 2018-11-13T13:02:53Z
dc.date.available 2018-11-13T13:02:53Z
dc.date.issued 2018-09-19
dc.identifier.citation Zharkova, N., Hardcastle, W. J. and Gibbon, F. E. (2018) 'The dynamics of voiceless sibilant fricative production in children between seven and thirteen years old: an ultrasound and acoustic study', Journal of the Acoustical Society of America, 144(3), pp. 1454-1466. doi:10.1121/1.5053585 en
dc.identifier.volume 144 en
dc.identifier.issued 3 en
dc.identifier.startpage 1454 en
dc.identifier.endpage 1466 en
dc.identifier.issn 0001-4966
dc.identifier.uri http://hdl.handle.net/10468/7106
dc.identifier.doi 10.1121/1.5053585
dc.description.abstract This study reports on dynamic tongue shape and spectral characteristics of sibilant fricatives /s/ and /ʃ/ in Scottish English speaking children aged between 7 and 13 years old. The sequences /əCa/ and /əCi/ were produced by 40 children, with ten participants in each age group, and two-year intervals between successive groups. Productions of the same sequences by ten adults were used for comparison with the children's data. Quantitative dynamic analyses were carried out on spectral information and on ultrasound imaging data on tongue shape. All age groups differentiated between the two consonants in the fricative centroid and in tongue shape. Vowel-on-consonant effects showed consonant-specific patterns across age groups without a consistent increase or decrease in the extent of coarticulation with increasing age. The extent of discriminability between the two fricatives increased with age on both acoustic and articulatory measures. Younger speakers were generally more variable than older speakers. Complementary findings from the centroid and tongue shape measures suggest that age-related differences are due to the ongoing maturation of controlling the tongue in coordination with other articulators, particularly the jaw, throughout childhood. en
dc.description.sponsorship Economic and Social Research Council (ES/K002597/1) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Acoustical Society of America en
dc.rights © 2018, Acoustical Society of America. This article may be downloaded for personal use only. Any other use requires prior permission of the authors and the Acoustical Society of America. The article appeared in Journal of the Acoustical Society of America and may be found at https://asa.scitation.org/doi/pdf/10.1121/1.5053585?class=pdf en
dc.subject Dynamic tongue shape en
dc.subject Sibilant fricatives en
dc.subject Coarticulation en
dc.subject Age-related differences en
dc.subject Scottish English speaking children en
dc.subject Ultrasound imaging data en
dc.title The dynamics of voiceless sibilant fricative production in children between seven and thirteen years old: an ultrasound and acoustic study en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Fiona Gibbon, Pensioners, University College Cork, Cork, Ireland. +353-21-490-3000 Email: f.gibbon@ucc.ie en
dc.internal.availability Full text available en
dc.check.info Access to this article is restricted until 6 months after publication by request of the publisher. en
dc.check.date 2019-03-19
dc.date.updated 2018-11-13T12:39:09Z
dc.description.version Published Version en
dc.internal.rssid 450781491
dc.contributor.funder Economic and Social Research Council en
dc.description.status Peer reviewed en
dc.identifier.journaltitle The Journal of the Acoustical Society of America en
dc.internal.copyrightchecked Yes en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress F.Gibbon@ucc.ie en


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