痉挛型脑瘫儿童构音运动声学特征及其与构音清晰度的相关性

Acoustic characteristics of articulation movement and its correlation with articulation intelligibility in children with spastic cerebral palsy

王勇丽;毕思雨;乔钧;余新春;王曦;金昕玥;倪天皓

1:华东师范大学教育学部康复科学系

2:华东师范大学中国言语听觉康复科学与ICF应用研究院

3:华东师范大学附属精神卫生中心

摘要
目的 探讨痉挛型脑瘫儿童的构音声学指标特征及其与构音清晰度的相关性。方法 选取6~12岁脑瘫儿童和普通儿童各17例为研究对象,采用单元音、单字和句子三种语料,评估两类儿童的构音声学和构音清晰度表现,并探究二者间的相关性。结果 痉挛型脑瘫儿童在三种语料中的构音清晰度均低于普通儿童(P<0.01),表现为:单元音>单字>句子;在单元音语料中仅下颌距、舌距显著小于普通儿童(P<0.05),且仅下颌距和元音空间面积(vowel space area, VSA)与构音清晰度显著相关(P<0.05);单字语料中,下颌距、舌距和VSA显著小于普通儿童,元音椭圆面积(vowel ellipse area, VEA)显著大于普通儿童(P<0.05),除VSA和共振峰集中率(formant centralization ratio, FCR)外,其他指标均与构音清晰度显著相关(P<0.05);句子语料中,除下颌距外其他指标均显著差于普通儿童(P<0.05),且所有声学指标均与构音清晰度显著相关(P<0.05)。结论 脑瘫儿童构音声学指标特征和构音清晰度均较差,语料复杂性会影响二者的相关程度。
关键词
痉挛型脑瘫;构音运动;声学特征;构音清晰度
基金项目(Foundation):
国家社科基金项目(20AZD125)
作者
王勇丽;毕思雨;乔钧;余新春;王曦;金昕玥;倪天皓
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