Methylphenidate Treatment Response Study of Genetic Polymorphism in Attention Deficit Hyperactivity Disorder(ADHD)

Functional Brain Markers and Predictors of Treatment Response Associated With Norepinephrine System Genes in ADHD

The purpose of this study is to determine whether norepinephrine gene polymorphism affect to treatment response in ADHD

Inclusion Criteria:

• diagnosis made by DSM-IV and K-SADS-PL
• IQ > 71

Exclusion Criteria:

• genetic disorder
• history of acquired brain injury
• seizure disorder
• other neurologic disorder
• mental disorder, pervasive developmental disorder
• obsessive-Compulsive disorder
• communication disorder
• learning disorder