We provide a developmental perspective on two related issues:(a) why traditional
preventative school-based interventions work reasonably well for children but less so for …

Depression is associated with social risk factors, social impairments and poor social
functioning. This paper gives an overview of these social aspects using the NIMH Research …

Humans and other animals express power through open, expansive postures, and they
express powerlessness through closed, contractive postures. But can these postures …

Although animal researchers established the role of testosterone as a 'social
hormone'decades ago, the investigation of its causal influence on human social behaviors …

Traditional theories propose that testosterone should increase dominance and other status-
seeking behaviors, but empirical support has been inconsistent. The present research tested …

Testosterone and cortisol figure prominently in the research literature having to do with
human competition. In this review, we track the history of this literature, concentrating …

The presence of hierarchy is a ubiquitous feature of human social groups. An evolutionary
perspective provides novel insight into the nature of hierarchy, including its causes and …

Background Although traditional wisdom suggests that baseline levels of testosterone (T)
promote aggressive behavior, decades of research have produced findings that have been …

A large body of evidence indicates that individual differences in baseline concentrations of
testosterone (T) are only weakly correlated with human aggression. Importantly, T …

Testosterone plays a role in aggressive behavior, but the mechanisms remain unclear. The
present study tested the hypothesis that testosterone influences aggression through the …