難聴児のSpeech Soundについての観察

概要

論文の詳細を見る
The authors observed speech sound of the five ation and sound spectrograph of the consonants. 1) By hearing test, there are 5 cases who show over. ring among the deaf childrens and these childrens of hard of hearing can not get better percentage than 50% by lip reading alone. ciation show 73.7% at the highest, 18.0% at the lowest and 39.8% at the average. There are only 3 cases who show the higher percentage than 50%. It was revealed that the childrens of not great impairment of hearing can not pronounce correctly such sound as D, G, Z, KY, and moreover that the deaf childrens cannot pronounce such sound as K, processes of the little residual hearing and help the speech articulations. 4) By Sonagraph test, it was revealed that the disturbance of the consonant was caused by the disturbance of the consonant wave, uncertainly of ing vowel. The disturbance of the following vowel was caused by the deficiency of dynamic self control activity of the hearing.
社団法人日本耳鼻咽喉科学会の論文