The research on parental deprivation done at the Wisconsin primate laboratories and related laboratories is summarized. Social isolation and certain other social conditions were observed in their effects on aggressive behavior. Isolate-reared rhesus monkeys show more abnormality in postures and movements than do socially reared monkeys from…

This book, the first in a series on development and behavior of human infants and animals, contains a collection of articles dealing with the significance of the interaction between mother and infant and the subtle contributions that each makes to the other in shaping their ongoing dyadic behavior. It emphasizes that the infant is no mere passive…