human 61 female 52 Humans 51 male 51 attention deficit disorder 44 Attention Deficit Disorder with Hyperactivity 39 Male 39 Article 37 Female 37 child 34 Child 31 adult 29 adolescent 28 ADHD 26 controlled study 23 major clinical study 23 psychology 22 Adolescent 21 Adult 20 attention deficit hyperactivity disorder 16 physiology 14 Child, Preschool 11 preschool child 11 Neurosciences 10 attention 10 child parent relation 10 anxiety disorder 9 pathophysiology 9 school child 9 Attention 8