Exceptional Children and Disability Information
Attention Deficit Hyperactivity Disorder (ADHD)
ADHD Topic Categories
ADHD Definition
- Brief definition of ADHD: Attention-deficit/hyperactivity disorder (ADHD) is generally first diagnosed during the primary school years. Symptoms are always present before the age of seven, but sometimes continue into adolescence.
- Definition and symptoms: According to the 1994, Diagnostic and Statistical Manual of Mental Disorders, Ed. IV, (DSM-IV) ADHD is a Disruptive Behavior Disorder characterized by the presence of a set of chronic and impairing behavior patterns that display abnormal levels of inattention, hyperactivity, or their combination.
- DSM definition: this site provides the definition of ADHD according to the Diagnostic and Statistical Manual.
