Despite well-documented behavioral changes, the development of neuropsychological substrates underlying inhibitory control remains unknown, hindering understanding of this construct over time. Stability and change in N2, a neural correlate of inhibitory control, and its crosslagged, bidirectional associations with maternal emotion characteristics…

Autism spectrum condition (ASC) is characterized by atypical attention to eyes and faces, but the onset and impact of these atypicalities remain unclear. This prospective longitudinal study examined face perception in infants who develop ASC (N = 22, female = 5, 100% White) compared with typically developing infants (N = 131, female = 65, 55.6%…

Object exploration is considered a driver of motor, cognitive, and social development. However, little is known about how early childhood education and care settings facilitate object exploration. This study examined if children's exploration of objects during free play was facilitated by the use of particular spatial components (floor, tables,…

This study investigates the diversity of early prosocial behavior by examining the ability of ninety-five 2- to 4-year-olds to provide aid to an adult experimenter displaying instrumental need, emotional distress, and material desire. Children provided appropriate aid in response to each of these cues with high consistency over multiple trials. In…

Children's Type A behaviors remained moderately stable over time. The magnitude of the stability did not differ as a function of two versus five years of follow-up, or because of the sex, grade, or community in which the child lived. (PCB)

Two studies found infants' scores on the Range of State Cluster of the Neonatal Behavioral Assessment Scale with Kansas Supplements to correlate significantly with visual discrimination performance at three months of age. The correlation with behavioral state organization contradicted the prediction that orientation scores would predict visual…

Quantitatively describes the gait development of a group of African children to determine how pattern changes would relate to growth and maturation. A total of 65 children from the Gusii tribe of southwestern Kenya, ranging in age from 13 to 69 months, were selected for study. (Author/RH)

Investigates the developmental sequence of learning to transform objects into agents and recipients of action in early symbolic play. Each of 48 children (from 14 to 25 months old) demonstrated initiative pretending after an adult modeled agent and recipient substitutions in pretending to talk on the telephone. (Author/CB)

Examined expressions of negative emotion among 37 toddlers and strategies used to reduce or change these expressions. Six strategies were identified and evaluated. Findings suggest that active engagement was most commonly used and most negatively associated with child distress. Use of strategies varied by context. (HTH)

To document movement patterns and to examine developmental interrelationships, the ontogeny of rooting, lip, lateral tongue, mouth opening, biting, and Babkin reflexes and the development of emerging chewing behaviors were observed in two normal infants over a period from 1 week to 35 weeks of age. (Author/RH)

Examined consistency in behavioral state organization for 30 fetuses and neonates. Assessed heart rate pattern and presence or absence of eye and gross body movements during sleep, finding quiet sleep (QS), active sleep (AS), and indeterminate states in nearly identical proportions. Duration of enclosed QS epochs provided only stable measure of…

Studied 112 preterm infants to determine developmental changes and stability of individual differences. Results indicate significant developmental gains with age, and highly significant individual stability of performance across age. (RJC)

Neonates born without complications to healthy mothers at 14,000 feet or at 490 feet above sea level were evaluated at 24-36- and 48-60-hours-of-life. In comparison with low-altitude infants, high-altitude infants were significantly lighter, shorter, had a smaller arm circumference, and presented more signs of behavioral immaturity in interactive…

Examined associations between tympanic membrane (TM) temperature asymmetries and biobehavioral attributes of 4- to 8- year-old children. Found shared patterns of associations that linked TM temperature lateralities to individual differences in behavior and socioaffective difficulties. Found that warmer left TMs were associated with affectively…