attention deficit disorder

ADHD in Adults Learn the signs of Adult ADHD.

n. (Abbr. ADD)
A syndrome, usually diagnosed in childhood, characterized by a persistent pattern of impulsiveness, a short attention span, and often hyperactivity, and interfering especially with academic, occupational, and social performance.

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A disorder characterized by a difficulty in retaining focus, especially on tasks, for long periods of time.

One of the most common reasons children are brought into therapy, ADD is often treated with the somewhat controversial drug Ritalin®, which is thought to work by stimulating the attention-focusing structures of the brain.

(ə-tĕn'shən)
n. (Abbr. ADD)

1. A childhood syndrome characterized by impulsiveness and short attention span, and sometimes by hyperactivity that often leads to learning disabilities and various behavioral problems.
2. See minimal brain dysfunction.