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The Effect of Palate Morphology on Consonant Articulation in Healthy Speakers

This study investigated the effect of palate morphology and anthropometric measures of the head and face on lingual consonant target (positional) variability of twenty one adult speakers (eleven male, ten female). An electromagnetic tracking system (WAVE, NDI, Canada) was used to collect tongue movements while each speaker produced a series of VCV syllables containing a combination of consonants /t, d, s, z, ʃ, tʃ, k, g, j/ and three corner vowel /i, ɑ, u/. Distributions of x, y, and z coordinates representing maximum tongue elevation during the consonants were used to represent target variability across contexts. Palate and anthropometric measures were obtained for each participant. A correlational analysis showed that target variability of the consonants produced in the front of the mouth (e.g. alveolar and palatal) was explained, to a degree, by palate morphology. The variability of velar consonants was not explained by the structural measures.

Identiferoai:union.ndltd.org:TORONTO/oai:tspace.library.utoronto.ca:1807/31417
Date20 December 2011
CreatorsRudy, Krista
ContributorsYunusova, Yana
Source SetsUniversity of Toronto
Languageen_ca
Detected LanguageEnglish
TypeThesis

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