Fragile X syndrome (FXS) is characterized by both social approach and social avoidance. However, the age of emergence and developmental trajectory of social avoidance has not been examined. This study investigates the longitudinal developmental trajectory and dynamic nature of social avoidance in males with FXS from infancy through young adulthood…

This paper presents a study designed to determine if providing information to primiparous mothers about the behavioral characteristics of their infants would affect reciprocity in mother-infant interaction. Thirty married, Caucasian, middle class mothers of healthy, normally carried and delivered 48-hour-old first-born infants served as subjects.…

Written for researchers and clinicians, this book integrates key perspectives in order to illuminate common beliefs about core processes of emotional development. The book is divided into three parts. Part 1 discusses the nature of emotional development. Topics covered here include: (1) questions relevant in a developmental assessment of emotions;…

Recent developments in infant mental health are outlined, with implications for work with at-risk populations. Discussed are: the biobehavioral-developmental perspective, the infant as a social being, the infant-caregiver relationship, the transactional model of the infant-parent relationship, assessing developmental disabilities, conceptualizing…

This paper reviews major research dealing with the effects of infant/toddler day care on the behavior and development of infants, with special emphasis on useful research implications for those concerned with providing high quality group care for infants outside the home. A brief examination of major analytic issues dealing with the problem of…