Preschoolers' Behavioral and Neuroendocrine Responses to Social Challenge.

摘要: Relations between young children's salivary cortisol, patterns of behavior problems, and social were explored in a challenging context. Preschool-aged children (n = 29) with emerging problems participated activities small groups, that required them to adapt unfamiliar teachers, peers, events. Diverse behavioral assessments conducted, saliva was collected before after the first activity session, 2 weeks later at home. Larger decreases cortisol (low neuroendocrine reactivity) during session associated concurrent subsequent undercontrolled (i.e., aggressive disruptive) behaviors. In contrast, overcontrolled behaviors negative affect sessions larger increases when familiar