One of the objectives of the Adolescent Brain Cognitive Development (ABCD) Study
(https://abcdstudy. org/) is to establish a national longitudinal cohort of 9 and 10 year olds …

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

Prior studies have highlighted adolescence as a period of increased risk-taking, which is
postulated to result from an overactive reward system in the brain. Longitudinal studies are …

Automatic segmentation of subcortical structures in human brain MR images is an important
but difficult task due to poor and variable intensity contrast. Clear, well-defined intensity …

In spite of the remarkable progress made in the burgeoning field of social neuroscience, the
neural mechanisms that underlie social encounters are only beginning to be studied and …

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 …

In human and non-human animals the steroid hormones cortisol and testosterone are
involved in social aggression and recent studies suggest that these steroids might jointly …

Steroids and peptides mediate a diverse array of animal social behaviors. Human research
is restricted by technical–ethical limitations, and models of the neuroendocrine regulation of …

While there is little doubt that risk-taking is generally more prevalent during adolescence
than before or after, the underlying causes of this pattern of age differences have long been …

The dominance behavioral system (DBS) can be conceptualized as a biologically based
system that guides dominance motivation, dominant and subordinate behavior, and …