<unk>  <unk>  (the term developmental language disorder is preferred by some) is diagnosed when a child's language does not develop normally and the difficulties cannot be accounted for by generally slow development, physical abnormality of the speech apparatus, autism spectrum disorder, apraxia, acquired brain damage or hearing loss. Twin studies have shown that it is under genetic influence. Although language<unk>  can result from a single-gene mutation, this is unusual. More commonly<unk>  results from the combined influence of multiple genetic variants, each of which is found in the general population, as well as environmental influences.
Specific language impairment
Nonverbal learning disorder
Language delay
Mixed receptive-expressive language disorder
Global perceptions of autism
Speech and language impairment
Language disorder
Global developmental delay