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논문 기본 정보

자료유형
학술저널
저자정보
한지은 (충남대학교) 성철재 (충남대학교)
저널정보
한국음성학회 말소리와 음성과학 말소리와 음성과학 제4권 4호
발행연도
2012.12
수록면
147 - 154 (8page)

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연구주제
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초록· 키워드

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The purpose of this study is to examine the effect of voice improvement when vocal training, which relaxes the vocal contact, is applied to children with vocal nodules. Subjects included 20 5- to 12-year-old boys with vocal nodules in Otolaryngology and for whom voice therapy had been advised. The vocal therapy was conducted for 40 minutes per a week for a total of eight times. Results were evaluated by videostroboscopy, auditory-perceptual evaluation of GRBAS Scale, aerodynamic test, and acoustic analysis before and after therapy. As a result, first, the size of vocal nodules was reduced and the unstable pattern of vocal contact was improved. Glottic closure was increased and Phase symmetry was decreased during vocal vibration. Mucosal wave was increased and muscle tension of the larynx was reduced. Second, auditory-perceptual evaluation showed that subjects’ overall quality of voice improved. GRBAS Scale Evaluation showed that the characteristics of the subjects’ voice which were rough, breathy, and strained and breathy were reduced after therapy. Third, the measurements of acoustic parameters showed a statistically significant improvement. The fundamental frequency of the subejects’ voice was increased and values of Jitter and Shimmer, NHR, [H1-H2] decreased. Fourth, the maximum phonation time of children was increased. These results imply that vocal relaxation training conducted in this study has a very positive effect to improve the voice of children with vocal nodules.

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ABSTRACT
1. 머리말
2. 연구대상 및 방법
3. 통계 처리
4. 치료 방법
5. 연구결과
6. 맺음말
7. 제언
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UCI(KEPA) : I410-ECN-0101-2014-701-000640072