Learning disabilities in a child who fails to develop to the degree expected by his or her intellectual level in a specific language skill area. Includes expressive language disorder, phonological disorder, and stuttering.

A group of disorders where there are problems in communicating, either through difficulties in receiving language or in speech. Generally these disorders stems from a general medical condition such as a brain injury or stroke, or a developmental problem in children. Examples are: Expressive Language Disorder, Mixed Receptive-Expressive Language Disorder, Phonological Disorder, Stuttering and Communication Disorder Not Otherwise Specified.

An impairment in the ability to use speech or language to communicate.