患有自闭症特征的婴儿和幼儿的感受表达语言表现型
Torrey Cohenour1, Amanda Gulsrud1, Connie Kasari1
1University of California Los Angeles, Semel Institute for Neuroscience and Human Behavior, Los Angeles, California, USA.
概括
大多数患有自闭症特征的幼儿表现出不均的语言发展,超过75%的幼儿具有表达性或接受性语言优势. 这种非典型的受体表达性语言表现型可能预测自闭症患者未来的语言成长.
科学领域:
- 发展心理学是发展心理学.
- 儿科神经学 儿科神经学
- 语音语言病理学 语言病理学
背景情况:
- 患有自闭症的儿童经常表现出受体表达性语言表现型,其特点是受体和表达性语言水平之间的差异.
- 目前尚不清楚这些非典型的表型是否存在于生命早期或预测自闭症特征儿童的晚期语言发展.
研究的目的:
- 调查自闭症特征的幼儿中非典型的受体表达语言表现型的流行情况.
- 检查这些表型与并发性发育功能之间的关联.
- 为了确定语言概况是否预测了后来的语言成长.
主要方法:
- 八十名12-23个月大的自闭症特征在基线被评估,使用受ceptive和表达式语言年龄等价 (AE) 评分.
- 儿童被分为不同的语言特征:表达优势 (EA),感受优势 (RA) 和平衡.
- 分析了语言概况,以与并发功能相关联,并预测12个月的语言增长.
主要成果:
- 超过75%的儿童表现出非典型的受体表达语言表现型 (40%的EA,36%的RA),只有24%的孩子表现出平衡的特征.
- 在语言配置文件和年龄,自闭症严重程度,联合注意力,运动或认知技能之间没有发现并发的关联.
- 与RA或平衡配置文件相比,具有EA配置文件的儿童在12个月内表达性语言增长显著放缓.
结论:
- 非典型的受体表达语言表现型在自闭症特征的幼儿中很常见.
- 表达优势 (EA) 概况可以作为一种早期预后标志物,用于在患有新兴自闭症的儿童中表达语言发展缓慢的预后标志物.
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