Related Experiment Video
Updated: Jun 20, 2026

Synthetic, Multi-Layer, Self-Oscillating Vocal Fold Model Fabrication
Published on: December 2, 2011
[A case study on therapy for functional voice disorder of glottal dysraphism patient]
Fei Wang1, Qin Zheng, Zhaoming Huang
1Hearing and Speech Rehabilitation Center of Zhejiang Province, Hangzhou, 310016, China. zjclkf@163.com
Objective:
To testify the effect of voice therapy methods for the glottal dysraphism patient with functional voice disorder.
Method:
The subject was a 62 year old man, who had been diagnosed as functional voice disorder of glottal dysraphism. The main therapy was voice training, with normalized noise energy (NNE) as the assessment and monitoring parameter of the voice function. The datum of the baseline period and the treatment period were collected, and were analyzed with A-B Single-Subject Design in statistics.
Result:
NNE had been significantly decreased (P < 0.01) through the systematical voice training.
Conclusion:
Voice training had been the effective therapy for the glottal dysraphism patient with functional voice disorder.
Related Concept Videos
Larynx
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
Modeling in Therapy
Participant Modeling
Participant modeling involves therapists demonstrating calm and effective behaviors in situations...