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KMID : 0368820130520030143
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Journal of the Korean Neuropsychiatr Association
2013 Volume.52 No. 3 p.143 ~ p.149
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Quantitative Electroencephalography Findings in Attention- Deficit Hyperactivity Disorder According to Korean DISC-IV
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Kim Jun-Won
Kim Hyun-Jin
Han Doug-Hyun
Lee Young-Sik
Min Kyung-Joon
Lee Koun-Seok
Lee Jae-Won
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Abstract
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Objectives: This study was designed to investigate the clinical availability of quantitative electroencephalography (QEEG) as an auxiliary diagnostic tool in attention-deficit hyperactivity disorder (ADHD).
Methods: A total 95 participants completed examinations, which included Korean ADHD Rating Scale (K-ARS), Diagnostic Interview Schedule for Children Version IV-Korean Version (DISC-IV), and QEEG. From the result of the DISC-IV, we divided them into three groups, ADHD, ADHD NOS (not otherwise specified), and Normal control. The QEEG was analyzed by the ranges of Hz: delta (1-4 Hz), theta (4-8 Hz), alpha (8-12 Hz), beta (12-25 Hz), and high beta (25-30 Hz).
Results: ADHD NOS group showed significantly decreased delta activity (NOSNormal, p=0.044) compared with normal control. ADHD group showed increased high beta activity (ADHD>NOS, p=0.043) compared with NOS group. The z-scores of relative power of theta were negatively correlated with the K-ARS at O1, O2 electrodes of ADHD group. On the other hand, the z-scores of relative power of high beta were negatively correlated with the K-ARS at F7, F8 electrodes of ADHD NOS group.
Conclusion: We confirmed QEEG abnormalities in ADHD patients, especially the difference between ADHD NOS and Normal control. Therefore, we expect to use QEEG as the valuable tool to diagnose ADHD accurately.
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KEYWORD
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ADHD, QEEG, DISC-IV, K-ARS
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