构音障碍儿童的元音偏误分析

The Analysis of Vowel Error in Children with Articulation Disorder

元音发音的准确与否直接影响构音的清晰度。对 11名构音障碍儿童的构音样本分析发现 ,元音发音的偏误率非常高 ,且具有共同性特征 :即元音弱化。具体表现为紧元音央化或元音脱落。造成元音弱化的主要原因有三 :部分儿童对区别性特征小的元音不能准确听辨 ;构音障碍儿童发音时的气流量不足 ,难以形成对声带震动所需的压力 ;构音器官的紧张度不够 ,造成喉、唇、舌、腭的发音松懈。

The recognition of articulation is directly influenced by the accuracy of vowel pronunciation. Through analyzing about the language sample of 11 children with articulation disorder, we found that they had many errors and expressed the same characteristics in vowel pronunciation: vowel reduction, including tense vowel, vowel centralization and vowel eclipsis. There were three main reasons to develop the vowel reduction: some children can’t correctly discriminate the different vowels having very few distinc...