This article addresses the following questions: (1) What are the aims and claims of contemporary sociobiology? (2) How does the enterprise fit into the history of ideas? and (3) Does sociobiology have the earmarks of being the beginning of a major synthesis? (Author/AM)

A general learning impairment model and a reasoning insight model, both in rats, were reviewed for parallels to theories of human cognitive deficiency, leading to the conclusion that animal models of the cognitive deficiency states of mental retardation are underutilized and that human mental retardation researchers would benefit from greater…

Provided are summaries of conference presentations discussing aspects of birth, parent/child interaction, and attachment behavior. Material in part I explores perspectives on pregnancy and the perinatal period. Included are discussions of birth in nonindustrial societies, progress in the study of maternal behavior in animals, the physiological…