Background: Impaired cognitive control has been frequently observed in children and young people with attention deficit hyperactivity disorder (ADHD) and might underlie the excessive hyperactivity and impulsivity in this population. We investigated behavioural and electrophysiological indices relevant to one domain of cognitive control; namely…

The attention deficit hyperactivity disorder (ADHD) symptom presentation of young adolescents with ADHD was examined in association with the transition to middle school. This study used data collected in the Multimodal Treatment Study of ADHD, which included children between 7 and 9 years of age with a diagnosis of ADHD (n = 258) and grade- and…

Two hundred twenty-one predominantly adolescent institutionalized retarded residents, classified as hyperactive, were compared on 15 variables to a matched group classified as nonhyperactive. (Author/MC)

Highlights social-behavior patterns linked to peer relation problems in preadolescent children with attention-deficit hyperactivity disorder (ADHD). Provides a review of evidence suggesting continuation of social problems into adolescence, including two studies' findings of the increased risk for social interaction problems in adolescents with…

A follow-up study of 26 children (ages 5-13) with attention deficit hyperactivity disorder and low intelligence found that children identified with both characteristics have significant behavioral and emotional problems while in their early adolescence. A significant minority had problems at school and with the law. (CR)

Examined stability of gang membership in early adolescence, concurrent behaviors, family characteristics, friendships, and school attitudes of stable and unstable gang and nongang members. Found that stable gang members, compared to nongang members, had higher teacher ratings of fighting behavior, hyperactivity, inattention and oppositional…

Psychopathology in outpatient children was explored using two classification systems. Clinically derived Diagnostic and Statistical Manual of Mental Disorders (Third Edition, Revised) (DSM-III R) diagnoses in three high frequency diagnostic groups were compared to empirically derived Child Behavior Checklist (CBCL) scores for an overall sample of…

An interactional model explaining predisposition to hyperactivity asserts that being identified, diagnosed, and treated as hyperactive is a function of biological factors, early health and temperament, family characteristics, and the quality of the home environment. A longitudinal study involving 367 subjects, aged 17-18, tested the interactional…