In 1998, the National Institutes of Mental Health agreed that attention-deficit hyperactivity disorder (ADHD) is indeed a legitimate psychologic condition even though its definition has not been fully pinned down. ADHD is a syndrome generally characterized by the following symptoms that first occur before the age of seven:

Inattention, Distractibility, Impulsivity, Hyperactivity.

Some experts further categorize ADHD into three subtypes:

Behavior marked by hyperactivity and impulsivity, but not inattentiveness.

Behavior that is marked by inattentiveness, but not hyperactivity and impulsivity.

A mixed type.
There are some issues with these criteria, and arguments exist for both an over- and underdiagnosis of this problem. Defining ADHD is made particularly difficult because one-third of the cases are accompanied by learning disabilities and other neurologic or emotional problems. It is likely that the term attention-deficit hyperactivity disorder will eventually......

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Title: Adhd
Approximate Word Count: 977
Approximate Pages: 4 (250 words per double-spaced page)

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