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J Korean Soc Laryngol Phoniatr Logop > Volume 27(2); 2016 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2016;27(2): 95-101.
doi: https://doi.org/10.22469/jkslp.2016.27.2.95
갑상선 기능저하 음성에 대한 청지각적 및 파열음 분석에 대한 연구
한백화1, 이다해2, 김준선1, 홍기환1
1전북대학교 의과대학 이비인후과학교실
2전북대학교 의과대학 언어치료학과
The Perceptual and Consonant Analysis for the Voice with Hypothyroidism
Baek Hwa Han1, Dahae Lee2, Joon Sun Kim1, Ki Hwan Hong1
1Department of Otolaryngology-HNS, College of Medicine, Chonbuk National University, Chonju, Korea
2Department of Speech-Language Pathology, College of Medicine, Chonbuk National University, Chonju, Korea
Correspondence  Ki Hwan Hong ,Tel: (063) 250-1172, Fax: (063) 250-1986, Email: khhong@jbnu.ac.kr
Received: 11 May 2016; Revised: May 11, 2016   Accepted: 19 May 2016.  Published online: 30 December 2016.
ABSTRACT
Background and Objectives
The main purpose of this study is to clarify perceptual and acoustic analysis for the patients with hypothyroidism after thyroidectomy especially focused on the characteristics of speech articulation with special reference to the consonant production.
Materials and Methods
The subjects of the research were 40 male and female adults (males : 5, females : 35). They were all received radioactive iodine treatment which after total thyroidectomy. Voice samples were collected during the three stages of after surgery, pre-radioisotope treatment (RIT), and post-RIT. The acoustic analysis was conducted by using Pratt (ver.5.2.21) after measuring voice onset time (VOT). The subjective evaluation of the voices used CAPE-V.
Results
A significant decrease in overall severity was displayed in the CAPE-V following RIT. It may be conjectured that this is connected to the change in voice following RIT. The loudness of the sound displayed a significant decrease in the CAPE-V following RIT. It is conjectured that this is connected to the decrease in vocal intensity following RIT. No statistically significant results were revealed for the comparative analysis on the voice onset time (VOT) in all plosives during the three periods.
Conclusion
Perceptually, the overall severity of the voice with hypothyroidism was changed significantly before and after RIT. Eventhough VOT were not significantly changed, it tended to decrease VOT in patients with hypothyroidism.
KEY WORDS: ThyroidectomyHypothyroidismVoice onset timeCAPE-V
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