Briefly reviews research concerned with symbolic development in children born prematurely. Focus is on the complex process of sorting out the effects of biological maturation and environmental experience in the study of the emergent processes, and examining the effects of biological risk and environmental opportunity in determining developmental…

Reviews research on quantitative and qualitative indexes of play, and relationships between play and language. Finds consistent relationships between duration and level of play throughout early development, and parallel developments in play and language. Indicates that measures of spontaneous activity and habituation in infancy predict…

Discusses research results that demonstrate that nonlinguistic symbolic deficits of language-impaired children may actually reflect resource allocation constraints and cross-modality deficits. Discusses implications of studies that contrast symbolic action development in normally developing children with that in children with specific language…

Offers an organizational perspective designed to illuminate processes of symbolic development in both normal and abnormal populations. Focuses on the symbolic system of Down Syndrome children. Data support the claim that the symbolic system of these children is intact. (RWB)

Demonstrates that young autistic children suffer from deficits in social understanding and symbolic representations of other individuals. Data suggest that the core deficit appears to lie at the intersection of representational abilities and social experiences. (RWB)

This study, which uses the organizational perspective, synthesizes major contributions to the examination of symbolic development in abused children. Focuses on the interrelationship between and the impact of maltreatment on children's cognitive, socioemotional, and linguistic development. (RWB)

Suggests that variations in the quality and type of infant care, in institutional and other settings in different cultures and social classes, can have influences on the long-term development of the child's rate, level, and type of cognitive development. (HOD)