Studies investigating the functioning of persons who have cerebral lesions and evidence from the study of commisurotomized and normal subjects are reviewed. A study of recognition of pictorial stimuli by right-handed male children is also discussed. Studies about cerebral lesions and associated deficits have yielded information about the…

This article explores the effect of augmentative and alternative communication systems on literacy acquisition by young children with severe speech and physical impairments. The possibility of a relationship between the type of graphic symbols used for communication as a preschooler and the child's early reading competency is considered. (DB)