J Korean Neuropsychiatr Assoc.  2013 May;52(3):143-149.

Quantitative Electroencephalography Findings in Attention-Deficit Hyperactivity Disorder According to Korean DISC-IV

• Kim JW
• Kim HJ
• Han DH
• Lee YS
• Min KJ
• Lee K
• Lee J

Abstract

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.

Keyword

ADHD; QEEG; DISC-IV; K-ARS

MeSH Terms

Appointments and Schedules
Child
Electrodes
Electroencephalography
Hand
Humans

Figure

• 

  Fig. 1 The result of Pearson's correlation analysis between K-ARS and each z-score of relative power in ADHD group. ADHD : Attention-deficit hyperactivity disorder, K-ARS : Korean ADHD Rating Scale.

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  Fig. 2 The result of Pearson's correlation analysis between K-ARS and each z-score of relative power in ADHD NOS group. ADHD : Attention-deficit hyperactivity disorder, NOS : Not otherwise specified, K-ARS : Korean ADHD Rating Scale.

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