Articulatory characteristics of the occlusion phase of /tS/ compared to /t/ in adult speech.

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Articulatory characteristics of the occlusion phase of /tS/ compared to /t/ in adult speech.

Liker, Marko; Gibbon, Fiona E.; Wrench, Alan; Horga, Damir
Date: 2007-03
Copyright: ©The Speech Pathology Association of Australia Limited. This is an Author's Accepted Manuscript of an article published in Liker, M., Gibbon, F., Wrench, A., Horga, D.; (2007) 'Articulatory characteristics of the occlusion phase of /tS/ compared to /t/ in adult speech'. Advances in Speech Language Pathology, 9 (1):101-108. © Taylor & Francis, available online at: http://www.tandfonline.com/10.1080/14417040601044930
Related: http://informahealthcare.com/doi/abs/10.1080/14417040601044930
Citation: Liker, M., Gibbon, F., Wrench, A., Horga, D.; (2007) 'Articulatory characteristics of the occlusion phase of /tS/ compared to /t/ in adult speech'. Advances in Speech Language Pathology, 9 (1):101-108.
Published Version: 10.1080/14417040601044930

Abstract:

This study used electropalatography (EPG) to investigate articulatory characteristics of /tS/ and /t/ occlusion in order to provide normative data to be used for the diagnosis and treatment of individuals with speech disorders. EPG data from the EUR-ACCOR database were analysed for nonsense VCV sequences containing /tS/ and /t/ in nine vowel contexts for seven English speaking adults. The main results of this study are that all speakers had a significantly more posterior placement for /tS/ compared to /t/ and that placement was stable during the occlusion phase of both /tS/ and /t/. For most speakers, the occlusion phase was longer for /tS/ compared to /t/, the occlusion phase generally involved more EPG contact and was slightly more variable in /tS/ compared to /t/, but these differences were not statistically significant for all speakers. The implications of the results for diagnosing and treating speech disorders are discussed.

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