attention deficit disorder

Medical Dictionary

attention deficit disorder at·ten·tion deficit disorder (ə-těn'shən)
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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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