儿童发育性语言障碍的研究现状

Children with developmental language disorder

发育性语言障碍是儿童期常见的发育障碍，患儿有明显的语言发育落后，但排除听力障碍、智力低下、严重的神经精神问题、自闭症等因素对语言发育的影响。患儿最突出的临床表现是语言发育水平明显低于其认知水平，较正常儿童有不同的语言发育特征，在语意、语法等方面可能存在缺陷。该文主要从病因、临床表现、诊断等方面阐述儿童发育性语言障碍的研究现状。

Developmental language disorder is a common childhood developmental disability, language development of children with a clear backward, but ruled out the hearing impairment, mental retardation, severe mental disorder, autism, and other factors influence on language development. The most prominent clinical manifestation is that the level of language development is significantly lower than the cognitive level. They have different language development characteristics. There might be defects in semantics, syntax, etc. This paper mainly describes from the etiology, clinical manifestations, diagnosis, and other aspects of research status on children with developmental language disorder.