The dynamics of voiceless sibilant fricative production in children between seven and thirteen years old: an ultrasound and acoustic study
dc.check.date | 2019-03-19 | |
dc.check.info | Access to this article is restricted until 6 months after publication by request of the publisher. | en |
dc.contributor.author | Hardcastle, William J. | |
dc.contributor.author | Gibbon, Fiona E. | |
dc.contributor.author | Zharkova, Natalia | |
dc.contributor.funder | Economic and Social Research Council | en |
dc.date.accessioned | 2018-11-13T13:02:53Z | |
dc.date.available | 2018-11-13T13:02:53Z | |
dc.date.issued | 2018-09-19 | |
dc.date.updated | 2018-11-13T12:39:09Z | |
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.description.status | Peer reviewed | en |
dc.description.version | Published Version | en |
dc.format.mimetype | application/pdf | en |
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.doi | 10.1121/1.5053585 | |
dc.identifier.endpage | 1466 | en |
dc.identifier.issn | 0001-4966 | |
dc.identifier.issued | 3 | en |
dc.identifier.journaltitle | The Journal of the Acoustical Society of America | en |
dc.identifier.startpage | 1454 | en |
dc.identifier.uri | https://hdl.handle.net/10468/7106 | |
dc.identifier.volume | 144 | 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 |
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