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J Korean Soc Laryngol Phoniatr Logop > Volume 25(2); 2014 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2014;25(2): 75-78.
기능성 음성장애의 병태생리
진성민
성균관대학교 의과대학 강북삼성병원 이비인후과학교실
Pathophysiology of Functional Dysphonia
Sung Min Jin
Department of Otolaryngology-Head and Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine
ABSTRACT
Functional dysphonia refers to a voice disturbance that occurs in the absence of structural or neurologic laryngeal pathological characteristics. Poorly regulated activity of the intrinsic and extrinsic laryngeal muscles is cited as the proximal cause of functional dysphonia (FD). Recently, the term functional dysphonia has been replaced in some clinical circles by diagnostic label muscle tension dysphonia (MTD), which serves to highlight excess, dysregulated, or imbalanced activity of the intrinsic and extrinsic laryngeal muscles as proximal cause of the observed dysphonia. And recent research evidence points to specific personality traits as important contributors to its development and maintenance. However, the origin of this dysregulated laryngeal muscle activity has not been fully elucidated. Further research is needed to better understand the pathogenesis of functional dysphonia, and factors contributing to its successful management.
KEY WORDS: Functional dysphonia;Muscle tension dysphonia;
중심 단어: 기능성 음성장애;근 긴장성 발성장애;
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