(Attention-Deficit Hyperactivity Disorder)- A syndrome generally characterized by inattention, distractibility, impulsivity, and hyperactivity. It is further categorized into three subtypes: behavior marked by hyperactivity and impulsivity but not inattentiveness; behavior that is marked by the reverse characteristics; and a mixed type.
Attention Deficit Hyperactivity Disorder. Diagnosis used for children who are overly energetic or hyper and have trouble staying focused on one thing.(a child, in vain, sit still, usually, toward him/her, spoken, but, somewhere, his/her thoughts, will be)(full attention, not, able to do)