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Roy, Nelson; Nissen, Shawn L.; Dromey, Christopher; Sapir, Shimon – Journal of Communication Disorders, 2009
In a preliminary study, we documented significant changes in formant transitions associated with successful manual circumlaryngeal treatment (MCT) of muscle tension dysphonia (MTD), suggesting improvement in speech articulation. The present study explores further the effects of MTD on vowel articulation by means of additional vowel acoustic…
Descriptors: Voice Disorders, Articulation (Speech), Vowels, Change
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Awan, Shaheen N.; Alphonso, Vania A. – Clinical Linguistics & Phonetics, 2007
The purpose of this study was to provide information concerning the possible early effects of smoking on measures of respiratory capacity and control in young adult female smokers vs. nonsmokers. In particular, maximum performance test results (vital capacity and maximum phonation time) and measures of air pressures and airflows during voiceless,…
Descriptors: Test Results, Young Adults, Smoking, Females