Autor: |
Hamlet, Sandra, Stone, Maureen, Shawker, Thomas, Hamlet, S L, Stone, M, Shawker, T H |
Zdroj: |
Dysphagia (0179051X); Dec1988, Vol. 3 Issue 2, p65-68, 4p |
Abstrakt: |
Real-time ultrasound sector scanning was used to image the posterior tongue. Depth of tongue grooving and distance of the tongue surface from the transducer face were measured in 7 normal subjects, for vowels in a standardized speech context and for dry swallows. Tongue postures for the vowels |æ| or |e| were most similar to the maximum grooving found in deglutition, which occurred approximately 300 ms prior to ultrasound evidence of initiation of the reflexive pharyngeal phase of swallowing. [ABSTRACT FROM AUTHOR] |
Databáze: |
Complementary Index |
Externí odkaz: |
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