This study examined autonomic profiles in preschoolers (N = 278, age = 4.7 years) and their relations to self-regulation outcomes concurrently and one year later, in kindergarten. Children's sympathetic (preejection period [PEP]) and parasympathetic activity (respiratory sinus arrythmia [RSA]) were measured at rest and during cognitive and…

Item recognition and temporal order memory follow different developmental trajectories during middle childhood, with item recognition performance stabilizing and temporal order memory performance continuing to improve. We investigated the potential unique role of individual executive functions on item recognition and temporal order memory during…

Social cognition is a set of complex processes that mediate much of human behavior. The development of these skills is related to and interdependent on other cognitive processes, particularly inhibitory control. Brain regions associated with inhibitory control and social cognition overlap functionally and structurally, especially with respect to…

Peer victimization is a well-established risk factor for children's internalizing problems. We longitudinally examined the moderating role of children's early perceptions of positive peer relationships and inhibitory control on the association between peer victimization at age 6 and internalizing symptoms at age 10. Perceptions of peer…

Theoretical perspectives of cognitive development have maintained that functional integration of the prefrontal cortex across infancy underlies the emergence of attentional control and higher cognitive abilities in early childhood. To investigate these proposed relations, we tested whether functional integration of prefrontal regions across the…

Examined affective and motoric reactivity hypothesized to be associated with later inhibited and uninhibited behavior. Affect and reactivity were classified at four months. Brain electrical activity was assessed at 9 months, and behavior toward novelty, at 14 months. Found that greater activation in both the left and right frontal hemispheres was…

Examined behavioral inhibition and psychophysiological markers of frontal electroencephalogram (EEG) asymmetry for children identified at 4 months as at-risk for later inhibition. Found that 4-month temperament predicted inhibition over first 2 years and behavioral reticence at 4. Infants remaining inhibited displayed EEG asymmetry as early as 9…

Assessed infant temperament at 2 days and 5 months of age, attachment to mother at 14 months, and behavioral inhibition at 24 months. Distress at pacifier withdrawal at two days was related to insecure attachment. Reactivity to frustration and novelty at five months was related to high vagal tone. Attachment classification was related to inhibited…