This study examined the relation between self-representation and brain development in infants and young children. Self-representation was assessed by mirror recognition, personal pronoun use, and pretend play. Structural brain images were obtained from magnetic resonance imaging (MRI). Brain development was assessed by a quantitative measure of…

Data from a variety of infant intelligence scores make clear that it is not possible to consider (1) that infant intelligence is a measurable, stable and unitary construct, (2) that there is a general g factor easily discernible in infancy, (3) that there is stability of scores both within and across scales, or (4) that there is predictability…

The early communication network existing between a mother and her 12-week-old infant was explored. Over 50 infants of both sexes from a variety of social classes were seen in their homes, and a wide variety of maternal and infant behaviors were studied. Of special interest was the vocalization-in-communication data. The results indicate a lawful,…

Because of the sparcity of research on infants' response to social events, especially different categories of people, infants between 8 and 18 months of age were introduced to five different social events: strange adult male and female, strange 4-year-old female, mother, and self. The infants' responses indicated that approach affects stimulus…

Development in general, and sex-role behavior in particular, is influenced by both biological and environmental factors. However, the coalescence of these factors around the child's growing social cognitive abilities is the critical factor in the development of sex role behavior. (Author/EB)