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ERIC Number: EJ742844
Record Type: Journal
Publication Date: 2005
Pages: 12
Abstractor: Author
ISBN: N/A
ISSN: ISSN-0269-9206
EISSN: N/A
Techniques for Field Application of Lingual Ultrasound Imaging
Gick, Bryan; Bird, Sonya; Wilson, Ian
Clinical Linguistics & Phonetics, v19 n6-7 p503-514 Sep 2005
Techniques are discussed for using ultrasound for lingual imaging in field-related applications. The greatest challenges we have faced distinguishing the field setting from the laboratory setting are the lack of controlled head/transducer movement, and the related issue of tissue compression. Two experiments are reported. First, a pilot study identifies important factors in controlling head/transducer movement in field settings. Second, an Optotrak/ultrasound study reports the range of head movement in an optimal field-like setting within and across varying phonetic contexts, as well as the effect of tongue tissue compression on tongue image data. Results suggest that with a simple arrangement involving a head rest or surface, a fixed transducer, and careful design and presentation of stimuli, reliable lingual ultrasound data can be collected in the field. (Contains 3 tables and 4 figures.)
Taylor & Francis, Ltd. 325 Chestnut Street, Suite 800, Philadelphia, PA 19106. Tel: 800-354-1420; Fax: 215-625-2940. Web site: http://www.tandf.co.uk/journals/default.html.
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Canada
Grant or Contract Numbers: N/A