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Esophageal speaker articulation of /s,z/: a dynamic palatometric assessment.

作者信息

Christensen J M, Fletcher S G, McCutcheon M J

机构信息

Department of Communicative Disorders and Science, University of Tulsa, OK.

出版信息

J Commun Disord. 1992 Mar;25(1):65-76. doi: 10.1016/0021-9924(92)90015-o.

DOI:10.1016/0021-9924(92)90015-o
PMID:1401232
Abstract

Esophageal talker linguapalatal contact patterns and durations during /s/ and /z/ productions were examined using dynamic palatometry instrumentation. It was found that sibilant groove narrowing is a physiologic compensation for a reduced air supply in esophageal speech. The place of esophageal /s, z/ articulation was on the anterior portion of the alveolar ridge as seen in normal speakers. Average medial groove width for esophageal /s/ was narrower than the 5-7-mm groove characteristic of normal speakers. Groove widths averaged 3 mm for /s/ and 4 mm for /z/. Systematic changes in groove widths across speech sounds, syllable position, and vowel context were also observed. Use of a narrower lingual groove was interpreted as a significant articulatory maneuver to meter out a limited intraoral air supply and effect more normal fricative durations.

摘要

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