Diagnostic Criteria
The major DSM-IV criteria for ADHD are as follows:
A. Six or more of the following symptoms of inattention:
- Often fails to give close attention to details or makes careless mistakes;
- Often has difficulty sustaining attention;
- Often does not seem to listen when spoken to directly;
- Often does not follow through on instructions and fails to finish work or chores;
- Often has difficulty organizing tasks and activities;
- Often avoids, dislikes, or is reluctant to engage in tasks that require sustained mental effort;
- Often loses things necessary for tasks or activities;
- Is often easily distracted by extraneous stimuli;
- Is often forgetful in daily activities.
B. Six or more of the following symptoms of hyperactivity/impulsivity:
Hyperactivity
- Often fidgets with hands or feet or squirms in seat;
- Often leaves seat in classroom or in other situations where remaining seated is expected;
- Often runs about or climbs excessively in situations in which it is inappropriate (in adolescents or adults, may be limited to subjective feelings of restlessness);
- Often has difficulty playing or engaging in leisure activities quietly;
- Is often "on the go" or acts as if "driven by motor;"
- Often talks excessively;
Impulsivity
- Often blurts out answers before questions have been completed
- Often has difficulty awaiting turn
- Often interrupts or intrudes on others.
Additional diagnostic criteria include:
- Some symptoms should have begun prior to age 7.
- Some impairment should be present in at least two settings (e.g., both at home and at school).
- There must be clear evidence of clinically significant impairment in functioning as a result of the inattention or hyperactivity/impulsivity.
- The symptoms are not better explained by some other disorder.