ATTENTION DEFICIT HYPERACTIVITY DISORDER

Attention Deficit Hyperactivity Disorder

Attention Deficit Hyperactivity Disorder

Introduction

Attention deficit/hyperactivity disorder (AD/HD) is the most common childhood behavior disorder. It is characterized by developmentally elevated levels of inattention, impulsivity, and hyperactivity. These three symptoms are so imperative that they have been referred to as the “holy trinity” of AD/HD.

Prevalence

While there is variability in the estimated prevalence of the disorder, most researchers agree that AD/HD affects between 3% and 7% of the school-age population. (Barkley, 2006)

Diagnostic Criteria

The Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (DSM-IV-TR) specifies 18 symptoms that compose the disorder. Nine of the criteria ...