In most of our social life we communicate and relate to others. Successful interpersonal relating is crucial to physical and mental well-being and growth. This study, using the still-face paradigm, demonstrates that even human neonates (n = 90, 3-96 hr after birth) adjust their behavior according to the social responsiveness of their interaction…

Temperament is examined from a longitudinal, within-individual perspective in order to investigate short-term change and patterns of temperament changes. For 100 consectutive days five mothers completed a temperament survey, reporting on their own and their two-year-old children's behavior. Patterns of change were identified for both mothers and…

In the four studies reported, facial expressions of emotion are considered to be not merely responses indicative of internal states; they are also stimulus patterns that regulate the behavior of others. Results indicated that one-year-old infants seek out and use maternal facial expressions to monitor behavior. (Author/DST)

Observed face-to-face interactions between 39 mothers and their first and second-born two-month olds to evaluate within-family differences in maternal affective behavior toward siblings. Found that mothers were more positive with second-borns than firstborns, and second-borns were more positive than firstborns. Siblings' affective behaviors were…

Contrasted characteristics of antisocial adolescents who desist from crime in adulthood with characteristics of those who became adult criminals. Proposed that psychophysiological differences between the two groups could reveal procedures to protect vulnerable individuals against crime. Findings suggest that better conditioning and enhanced…