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Original Article The Comparison of Intelligence Efficacy According to Methylphenidate Administration in Attention Deficit Hyperactivity Disorder(ADHD) Patients.
Hyung Bae Park, Dae Seok Bai, Jeong Sang Ha, Wan Seok Seo, Chang Jin Song
Journal of Yeungnam Medical Science 2001;18(2):253-266
Published online: December 31, 2001
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1Departmnt of Neuropsychiatry College of Medicine, Yeungnam University, Daegu, Korea.
2Departmnt of Neurology College of Medicine, Yeungnam University, Daegu, Korea.
3Department of Psychiatry, Seoul National University College of Medicine and Division of Sleep Studies Seoul National University Hospital, Seoul, Korea.
4Departmnt of Psychiatry College of Medicine, Dongkuk University, Kyongju, Korea.

The causes of ADHD(attention deficit hyperactivity disorder) are various, it is impossible to understand the whole characteristics of ADHD, only with simple intellignece testing scales. We compared cognitive characteristics of ADHD group with normal controls with Korean Kaufman Assessment Battery for Children(K-ABC), It is well known to evaluate neuropsychological and cognitive aspects of the children. MATERIALS AND METHODS: Age and sex matched 40 ADHD patients and 40 normal controls tested with the K-ABC. Each subscales compared between pre-treatment patients and controls, pre-treatment and post-treatment in patient group, post-treatment patients and controls. RESULTS: Significant differences are ovserved in sequential processing, simultaneous processing, cognitive processing and achievement between pre-treatment patients and controls, and in gestalt closure between pre-treatment and post-treatment patients group. But there are no significant differences between pre-treatment patients and controls in gestalt closure and reading/decoding. CONCLUSIONS: Methylphenidate improved the scores of simultaneous scale, which means improvement of executive functions such as divided attention, analysis and organization. Methylphenidate also reduced distractibility.

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JYMS : Journal of Yeungnam Medical Science