Reviews cases which support the view that parts of the left hemisphere control languages, no matter how it is expressed, while right-side regions are involved only in skilled nonlinguistic movements and perceptions. Compares recent findings with previously held theories. (ML)

Highlights a research study indicating that children can spontaneously impose linguistic structure on their communication, even in the absence of a conventional linguistic environment. Subjects (16- to 50-month-old deaf children) had normal social environments but severely restricted language environments because of their disability. (JN)