Growing evidence suggests that, as a group, many internationally adopted children catch up to their peers in terms of their language development by the time they reach their school-age years. Although this appears to be particularly true for children adopted during the first few years of life, it is not true for all internationally adopted…

This article reviews issues in speech motor control and a class of communication disorders known as motor speech disorders that include dysarthrias, apraxia of speech, developmental apraxia of speech, developmental stuttering, acquired (neurogenic and psychogenic) stuttering, and cluttering. Assessment, classification, and treatment of these…