Educational interventions are frequently designed to occur during early childhood, based on the idea that earlier intervention will have greater long-term academic benefits. However, surprisingly little is known about when cognitive and academic skills are most plastic, or malleable, during development. One way to study plasticity is to ask…

We examined interactions between baseline hypothalamic-pituitary-adrenal (HPA) axis and parasympathetic nervous system (PNS) activity in relation to executive functions (EF) in a sample (n = 1,005) of children in low wealth, nonurban communities at age 48 months. Salivary cortisol and respiratory sinus arrhythmia (RSA) represented baseline HPA…

The current study specified the extent to which hot and cool aspects of executive functioning predicted academic and social-emotional indicators of school readiness. It was unique in focusing on positive aspects of social-emotional readiness, rather than problem behaviors. One hundred four 3-5-year-old children completed tasks measuring executive…