孤独症儿童汉语普通话声调识别与产出声学特征研究

Study on the acoustic characteristics of tone recognition and production in Mandarin Chinese for children with autism spectrum disorder

胡金秀;杜瑶瑶;汤丽;钟阳

1:豫章师范学院特殊教育学院

2:江西省残疾人就业创业与康复服务中心

摘要
目的 探讨孤独症谱系障碍(autism spectrum disorder, ASD)儿童汉语普通话声调感知与产出的特征及其相关性。方法 对31例ASD儿童和26例正常儿童进行汉语普通话4个声调识别测试,同时对比“蛙、娃、瓦、袜”4个声调产出的调值指标。结果 ASD组4个声调的识别正确率均显著低于对照组(P<0.05),其中二、三声调差异极显著(P<0.001);ASD儿童4个声调产出的基频标准差显著大于正常儿童,二声调斜率及三声调折点基频、下降斜率(k降)显著大于正常儿童(P<0.05或P<0.001)。相关性分析显示,二声调识别正确率与一、二声调斜率及基频标准差正相关,三声调识别正确率与折点基频负相关,四声调识别正确率与三声调下降斜率负相关。结论 ASD儿童声调感知和产出能力弱,尤以二、三声调识别和产出障碍突出,声调产出整体稳定性不足。
关键词
孤独症谱系障碍;儿童;声调识别;声调产出;声学特征
基金项目(Foundation):
江西省教育科学“十四五”规划重点课题(21ZD088)
作者
胡金秀;杜瑶瑶;汤丽;钟阳
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