Humans present a behavioural paradox: they are peaceful in many circumstances, but they
are also violent and kill conspecifics at high rates. We describe a social evolutionary theory …

Decades of research in behavioral endocrinology has implicated the gonadal hormone
testosterone in the regulation of mating effort, often expressed in primates in the form of …

Objective Decades of research suggest a small, but significant positive association between
testosterone (T) and measures of aggression and mating psychology/behavior. More …

Objective A goal of behavioral neuroendocrinology is to understand how basal hormone
levels relate to behavior. Studies of human participants sometimes measure self-reported …

Individuals with a social anxiety disorder (SAD) show hypofunctioning of the hypothalamus–
pituitary-gonadal (HPG) axis, which is linked to social fear and avoidance behavior. As …

Abstract The Hypothalamus-Pituitary-Gonadal (HPG)-axis, and testosterone in particular,
play an important role in social motivational behavior. Socially avoidant behavior …

Social avoidance has been associated with more persistent social anxiety disorder (SAD)
symptoms and low testosterone levels in individuals with SAD. We tested whether pre …

Implicit measures of aggressiveness are able to circumvent response biases that plague self‐
reports, but it is unclear how they link to neural activation during aggressive interactions and …

Background Studies in regard to womens' neural reactivity to erotic and other positive
emotional cues in association with sexual hormones are relatively rare and findings rather …

Anxiety disorders (ADs) are common psychiatric disorders, with a lifetime prevalence
estimated at 33.7% in epidemiological studies. ADs are associated with serious disability …