Objective: Around 70% of adolescents with ADHD experience sleep and/or homework problems. Both impairments have been previously associated with neuropsychological deficits but have not been simultaneously examined in adolescents with ADHD and clinical sleep problems. Therefore, this study investigated how sleep problems are associated with…

Objective: ADHD is a neurodevelopmental condition associated with elevated symptoms of inattention and hyperactivity/impulsivity. Symptoms of ADHD typically persist into adulthood and can impair functioning and overall quality of life. In females (including women and people assigned female at birth), ADHD is under-recognized, and knowledge about…

The present study aimed to test if perceived pubertal timing was related to marijuana and alcohol use through deviant peer affiliation. Additionally, we examined if the deviant peer pathway was moderated by impulsiveness, gender, or both. Data were collected from 342 youth, most of whom had a family history of substance use disorder. Youth…

The onset of menarche, marking the transition to womanhood for adolescent girls worldwide, holds particular social significance. In countries such as Tanzania in sub-Saharan Africa, the social context of girls' lives introduces significant challenges following menarche, especially related to their successful engagement in school during…

During adolescence, increases in pubertal hormones lead to reproductive maturity as well as changes in cognitive development. Yet, little is known about how to best characterize interindividual differences in hormone concentrations. The goal of the current study was to examine the antecedents and consequences of membership in empirically derived…