The DSM IV definition of Attention-Deficit Hyperactivity Disorder (ADHD) is: A. Either (1) six (or more) of the following symptoms of inattention have persisted for at least 6 months to a degree that is maladaptive and inconsistent with developmental level; or (2) six (or more) of the following symptoms of hyperactivity-impulsivity have persisted for at least 6 months to a degree that is maladaptive and inconsistent with developmental level: B. Some hyperactive-impulsive or inattentive symptoms that caused impairment were …showed first 75 words of 2169 total…

…showed last 75 words of 2169 total…sciam.com Barkley, R.A. (1990). Attention Deficit Hyperactivity Disorder: A Handbook for Diagnosis and Treatment. New York, NY; Guilford Press DOPAMINE D4 RECEPTOR GENE POLYMORPHISM IS ASSOCIATED WITH ATTENTION DEFICIT HYPERACTIVITY DISORDER. G. J. LaHoste et al. in Molecular Psychiatry, Vol. 1, No. 2, pages 121­124; May 1996. Rapoport GC, Onroy A, Tenenbaum A. (1998) Is early intervention effective in preventing ADHD?. Isr J Psychiatry Relat Sci, 35(4): 271-9. Shin, Linda M. ed., Learning Disabilities Sourcebook, Vol. 33 (Detroit: Omnigraphics,Inc., 1998) 316-9