It was concluded that both social and vocal elements are necessary to stimulate a general increase in the number and length of consonant utterances, but there was no evidence that stimulation encouraged infants to imitate the consonant phonemes presented. (Author)

Examines research which indicates that in the first days of life infants are able to elicit and respond to their mothers' behavior, however, it appears that the newborns exert more influence over the mothers' actions than the mothers exert over the infants' actions. (MH)

A project to determine how children and members of their social environment regulate the stimulation they receive from each other is presented. The general procedure employed was the descriptive and experimental analysis of the behavior of subjects in social interaction situations, as recorded on videotape. Types of dyads videotaped include…

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…