Originally published in 1974, this volume is primarily devoted to what is known about human infancy from an ethological, evolutionary viewpoint. Included are di

Regression periods play a central role in the psychological development of the human baby. Studies of infants have identified 10 periods of regression, or a ret

Infancy presents the long-awaited report of the authors' 6-year study of infant day care that will affect future thinking on the cognitive and emotional process

Children are already learning at birth, and they develop and learn at a rapid pace in their early years. This provides a critical foundation for lifelong progre