Application of Seo Dongil's Voice Technique in Patient with Adductor Spasmodic Dysphonia: A Case Study

내전형 경련성 발성장애인에서 서동일 음성치료 기법의 적용 1례

  • 서동일 (서동일 발성치료연구원) ;
  • 유재연 (대구대학교 언어치료학과) ;
  • 정옥란 (대구대학교 언어치료학과) ;
  • 최홍식 (연세대학교 의과대학 이비인후과학교실 음성언어의학연구소)
  • Published : 2002.12.01


The purpose of this study was to investigate the effects of Seo Dongil's voice technique on voice quality in patient with adductor spasmodic dysphonia. One patient participated in the study. The subject was assessed acoustically (Ave Fo, Ave Int, percent speech time, percent silence time, percent voice time, percent voiceless time) and perceptually (GRBAS scales) in the first and last session. Dr. Speech (version 4.0, Tiger-DRS) was used to compare acoustic parameters of pre-and post-treatment. Seo Dongil's voice technique consisted of relaxation, breathing exercise and phonation exercise. The results were as follows: First, Seo Dongil's voice technique tented to be effective on decreasing voice break and voice stoppage in patient with adductor spasmodic dysphonia. Second, GRBAS scales showed that Seo Dongil's voice technique was effective on improving voice quality of patient with adductor spasmodic dysphonia.