| An evaluation of articulatory working space area in vowel production of adults with Down syndrome. | |
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MedLine Citation:
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PMID: 21091205 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Many adolescents and adults with Down syndrome have reduced speech intelligibility. Reasons for this reduction may relate to differences in anatomy and physiology, both of which are important for creating an intelligible speech signal. The purpose of this study was to document acoustic vowel space and articulatory working space for two adult speakers with Down syndrome who had reduced speech intelligibility (mean = 56% based on single words). Articulatory data for the tongue were collected using a real-time flesh-point tracking method (i.e. X-ray microbeam). Results show smaller F1?F2 acoustic vowel space area for both speakers with Down syndrome compared with the control speakers. Reduced articulatory working space area and slower movement speed were also found for three of the four tongue points analysed. Although generalizations are limited by the small number of participants, findings warrant further investigation of the underlying articulatory characteristics of speech production for individuals with Down syndrome. |
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Authors:
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Kate Bunton; Mark Leddy |
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Publication Detail:
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Type: Journal Article Date: 2010-11-22 |
Journal Detail:
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Title: Clinical linguistics & phonetics Volume: 25 ISSN: 1464-5076 ISO Abbreviation: Clin Linguist Phon Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-03-01 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8802622 Medline TA: Clin Linguist Phon Country: England |
Other Details:
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Languages: eng Pagination: 321-34 Citation Subset: IM |
Affiliation:
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Department of Speech, Language, and Hearing Sciences, University of Arizona, Tucson, AZ, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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