Articulatory characteristics of the occlusion phase of /tS/ compared to /t/ in adult speech.
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Date
2007-03
Authors
Liker, Marko
Gibbon, Fiona E.
Wrench, Alan
Horga, Damir
Journal Title
Journal ISSN
Volume Title
Publisher
Taylor and Francis
Published Version
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.
Description
Keywords
Stops , Occlusion , Electropalatography (EPG) , Speech disorders , Affricates , Articulation disorder
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.
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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