Examines whether infant awareness of efficacy and control relates to increases in socioaffective behavior. Focuses on the relationship between socioaffective behavior and infant experience of contingent and noncontingent events. Explores alternative means of assessing response acquisition. (RH)

Revised version of paper read at the American Psychological Association meetings at Miami Beach in September, 1970. Presented at a symposium on The Meaning of Smiling and Vocalizing in Infancy.'' (CB)

Time sampled observations of non-elicited behaviors, obtained for several hundred newborn babies were used to determine (1) whether specific motor patterns are state linked in the manner of spontaneous behaviors; (2) whether certain behaviors appear with greater frequency preprandially; and (3) whether associations between behaviors and states are…

Proposes, as an alternative to Sokolovian models, a model of early habituation based on selective adaptation of feature detectors. The model suggests that early habituation is attributable to the organization and immaturity of the young infant's visual system. (RH)

Studies the reactions of 24 infants 18 to 24 months of age to simulated and naturally occurring incidents of distress in others. Additionally investigates the relationship between self-recognition and infants' prosocial or altruistic responses to others in distress. Results provide strong evidence for infants' tendencies to help and comfort.…

This study tested the hypothesis that one year old infants' wary behavior toward an unfamiliar female adult would decrease and affiliative behavior would significantly increase in the course of a relatively brief period. (Author/SB)

Data is from a short-term longitudinal study conducted at the Institute of Human Development which involved presenting two weeks of a special contingency experience to infants between their eighth and tenth weeks. (Authors/MB)

Reports the results of a study of the psychometric properties of a questionnaire designed to measure parents' perceptions of their baby's temperament and suggests directions for refinement in the assessment of infant temperament. (MP)

Examines the relationship between an infant's sex and its capacity to maintain eye contact. Subjects were 15 male and 15 female newborn infants. (MP)

Reviews research that uses autonomic responses of human infants as dependent measures. Focuses on the history of research on the autonomic nervous system, measurement issues, and autonomic correlates of infant behavior and systems. (RJC)

Suggests a framework for understanding infancy that is derived from the papers collected in this January l990 issue of the Merrill-Palmer Quarterly and provides a summary of the information provided. (RJC)

Under equivalent task conditions, assessed object and person concept attainment in securely and insecurely attached infants. Subjects were 16 male and 23 female infants from middle class families. (Author/RH)

Paper present the findings from a study focusing on the relationship between levels of object concept construction and achievements in several other branches of functioning. (Author/CB)

Portions of this paper were read as part of a symposium on The Meaning of Smiling and Vocalizing in Infancy'' at the 1970 meeting of the American Psychological Association, Miami Beach, Florida, September, 1970. (Editor)