human 25 female 20 male 20 Article 16 Humans 16 attention deficit hyperactivity disorder 16 adolescent 13 child 12 Attention Deficit Disorder with Hyperactivity 11 adult 11 attention deficit disorder 11 controlled study 11 Male 10 major clinical study 10 Child 8 Female 8 attention-deficit/hyperactivity disorder 8 Adolescent 7 Attention-deficit/hyperactivity disorder 7 Adult 6 ADHD 5 nuclear magnetic resonance imaging 5 physiology 5 Electroencephalography 4 anxiety disorder 4 attention 4 cognitive defect 4 comorbidity 4 diagnostic imaging 4 neuroimaging 4