The purpose of the current study was to use the infant sibling design to explore whether proband traits of autism and ADHD could provide information about their infant sibling's temperament. This could help us to gain information about the extent to which infant temperament traits are differentially associated with autism and ADHD traits. We used…

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 volume brings together leading authorities from multiple disciplines to examine the relationship between brain development and behavior in typically developing children. Presented are innovative cross-sectional and longitudinal studies that shed light on brain-behavior connections in infancy and toddlerhood through adolescence. Chapters…

This guide presents RPM3, a no-frills approach to parenting. The acronym RPM3 stands for Responding to your child in an appropriate manner, Preventing risky behavior problems, Monitoring your child's contact with his or her surrounding world, Mentoring your child to support and encourage desired behaviors, and Modeling your own behavior to provide…

Research programs of the human learning and behavior branch of the National Institute of Child Health and Human Development (NICHHD) are described in five sections of this document. The specific programs conducted in the areas of learning and cognitive development, development of communicative abilities, biological bases of behavioral development,…

This encyclopedia is a comprehensive reference work addressed to those interested in human development from birth through adolescence, including students of child development, teachers, health care providers, child psychologists, family counselors, education professionals, academics, and parents. Signed entries in the encyclopedia were prepared by…

This special issue of the "Courrier," a journal for professionals concerned with issues related to the physical and psychological development of children, provides (1) an overview of 25 years of internationally coordinated research, (2) a selection of papers published by the research teams, and (3) a description of the teams and their…

During the first months after birth, a child's functions begin to emerge. By age three a child is expected to have mastered the basic tasks of (1) good vegetative functioning (management of drives and impulses involved in eating and elimination), (2) perceptual organization and familiarization with the home environment and skills to orient to a…