[A case study on therapy for functional voice disorder of glottal dysraphism patient].

To testify the effect of voice therapy methods for the glottal dysraphism patient with functional voice disorder. 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. NNE had been significantly decreased (P < 0.01) through the systematical voice training. Voice training had been the effective therapy for the glottal dysraphism patient with functional voice disorder.