Child development involves both reactive and self-regulatory mechanisms that children
develop in conjunction with social norms. A half-century of research has uncovered aspects …

The aim of this study was to investigate whether previously observed hypofrontality in
adolescents with attention deficit-hyperactivity disorder (ADHD) during executive functioning …

Family, twin, and adoption studies have documented a strong genetic basis for ADHD/HKD,
but these studies do not identify specific genes linked to the disorder. Molecular genetic …

An association of the dopamine receptor D4 (DRD4) gene located on chromosome 11p15. 5
and attention deficit/hyperactivity disorder (ADHD) has been demonstrated and replicated by …

The therapeutic and stimulant properties of methylphenidate (MP), a drug commonly
prescribed for the treatment of attention deficit hyperactivity disorder, have been attributed to …

OBJECTIVE: To examine familial clustering of attention-deficit/hyperactivity disorder
(ADHD), ADHD subtypes, symptoms, and oppositional behaviors in affected sibling pairs …

An epidemiological study of Attention Deficit/Hyperactivity Disorder (ADHD) suggests that
the prevalence may be two to three times higher than the figure of 3–5% often cited. In …

Attention deficit hyperactivity disorder (ADHD) is a prevalent psychiatric condition in children
and follow up studies have indicated that 22–33% of patients continue to suffer from ADHD …

OBJECTIVE: There is considerable evidence supporting a genetic component in the etiology
of attention-deficit/hyperactivity disorder (ADHD). Because stimulant medications act …

Although attention-deficit hyperactivity disorder has in recent years become one of the most
common psychiatric problems diagnosed in children, its status as a medical disorder …