自闭症儿童的表达性语言功能的同时预测因素是元音区分能力
Paul J Simeone1,2, Jordan R Green1,3, Helen Tager-Flusberg4
1Department of Communication Sciences and Disorders, MGH Institute of Health Professions, Boston, Massachusetts, USA.
概括
语音生产,以母音的独特性来衡量,与自闭症儿童的表达语言 (EL) 有关. 这种声学测量对于具有低EL的极小语言自闭症儿童尤其重要.
科学领域:
- 语音语言病理学 语言病理学
- 发展心理学是发展心理学.
- 声学语音学的声音学.
背景情况:
- 语音能力可能会影响最小语言自闭症儿童的口语语言发展.
- 声母区分,语音生产的声学测量,在自闭症的语言发展方面没有得到广泛的研究.
研究的目的:
- 研究自闭症儿童的母音区分能力和表达语言 (EL) 之间的并发关系.
- 确定语音生产测量是否可以预测自闭症儿童的EL,特别是那些具有不同语言能力的儿童.
主要方法:
- 从27名自闭症儿童 (年龄在4-7岁) 中记录并分析了母音 ([i],[a]) 的区别性.
- 使用了用于声学分析的自动形式跟踪软件.
- 采用了以接收性语言 (RL) 和元音区分为EL预测器的等级回归分析,包括高和低EL组的子组分析.
主要成果:
- 在整个组中,母音区分解释了EL中29%的差异;RL解释了38%.
- 在低EL小组中,母音的独特性是唯一显著的预测因素 (38%的差异).
- 在高EL小组中,RL是唯一显著的预测因素 (26%的差异).
结论:
- 语音生产 (元音区分) 和感受性语言 (RL) 显著预测自闭症儿童的并发表达语言 (EL).
- 音符的独特性是自闭症儿童具有低表达性语言的关键预测因素.
- 研究结果支持使用声学语音测量来早期识别和干预自闭症谱系障碍中的语言障碍.
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