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KMID : 0917520020090030077
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Journal of Speech Sciences
2002 Volume.9 No. 3 p.77 ~ p.86
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Efficacy of Seo Dong-Il´s Technique as a Method of Improving Voice Quality in Patients with Phonasthenia and Vocal Nodules
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Seo, Dong Il
Yoo, Jae Yeon/Choi, Hong Shik/Jeong, Ok Ran
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Abstract
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The purpose of this study was to invesigate the effects of Seo Dong-Il´s technique on voice quality in patients with vocal nodules and phonasthenia (vlcal fatigue). The patients (4 nodules and 6 vocal fatigue) participated in teh study. Each subject was assessed acoustically (Fo, Jitter, Shimmer, NNE) in the first and last session. Dr. Speech (version 3.4, Tiger-DRS) was used to compae acoustic parameters of pre- and post-treatment.
Seo Dong-Il´s technique consisted of breating exercise, relaxation exercise, and phona-tion exercise The results were as follows:
First, Seo Dong-Il´s technique tended to be effective on improving voice quality in patients with phonasthenia and vocal nodules. Secon, the nature of improvements wee as follows: there was a significant difference between pre- and post-treatment in shimmer (p < .01) and NNE (p < .001), while there was no significant difference between pre- and post-treatment in Fo and Jitter. Finally, given the fact that the number of subjects was only 10, the jitter might have shown a significant difference if more subjects partcipated in teh experiment.
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