Attention Deficit Hyperactivity Disorder (ADHD): A lifelong developmental disability (with onset in infancy, childhood or adolescence) that involves problems with attention span, impulse control, and activity level at home, at school or at work. Typical behaviors include: fidgeting with hands or squirming in seat: difficulty remaining seated when required: distractibility: difficulty waiting for turns in groups: difficulty staying on task with chores or play activities: difficulty playing quietly: excessive talking: inattention: restlessness: and engaging in physically dangerous activities without considering consequences.

 

Related Words

Attention Deficit Hyperactivity Disorder (ADHD): A lifelong developmental disability (with onset in infancy, childhood or adolescence) that involves problems with attention span, impulse control, and activity level at home, at school or at . . . View Full Definition

Reactive Attachment Disorder: A condition with onset before age 5, resulting from an early lack of consistent care, characterized by a child's or infant's inability to make appropriate social contact with others. Symptom . . . View Full Definition

Schizoaffective Disorder: (skiz-o-a-feck-tiv) A condition that includes symptoms of both schizophrenia and affective (mood) disorder.

Polygenic Disorders: Genetic disorders resulting from the combined action of alleles of more than one gene (e.g., heart disease, diabetes, and some cancers). Although such disorders are inherited, they depend on . . . View Full Definition