Electromyographic study of the velum during speech.

Number 165
Year 1974
Drawer 3
Entry Date 06/11/1998
Authors Ushijima, T. & Hirose, H.
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Publication Journal of Phonetics, 2, 315-326.
url http://www.haskins.yale.edu/Reprints/HL0165.pdf
Abstract Electromyographic recordings of the levator palatini were obtained to investigate the relationship between velar movement and it motor command. Two Japanese subjects read a list of meaningful disyllabic test words. There was no systematic difference in EMG level between either voiced and voiceless or stop and fricative consonants. Rather, the activity level for a given nonnasal consonant varies with its phonetic environment. Electromyographically, anticipatory nasal coarticulation generally followed the so-called look-ahead mechanism, although in some examples there seemed to be a restriction of the anticipatory effect. On the other hand, carry-over nasal coarticulation was not as pervasive as the anticipatory effect, as the carry-over effect was present for vowel segments following syllable-initial nasals, while it was absent for vowel segments following syllable-final nasals.
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