Korean J Psychosom Med.
2017 Jun;25(1):63-72. 10.22722/kjpm.2017.25.1.063.
Correlation of Executive Function and Quantitative Electroencephalography in Children and Adolescents with Attention-Deficit/Hyperactivity Disorder
- Affiliations
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- 1Graduate Program in Cognitive Science, Yonsei University, Seoul, Korea. Department of Psychiatry and Institution of Behavioral Science in Medicine, Yonsei University College Of Medicine, Seoul, Korea.
- 2Department of Psychiatry, Gangnam Severance Hospital, Seoul, Korea. Department of Psychiatry and Institution of Behavioral Science in Medicine, Yonsei University College Of Medicine, Seoul, Korea.
- 3Major of clinical psychology, Graduate school of psychological service, Chungang university, Seoul, Korea.
- 4Department of Child and Adolescent Psychiatry, National Center for Health, Seoul, Korea.
- 5Department of Psychiatry & Behavioral Neuroscience, International St. Mary's Hospital, Catholic Kwandong University, Incheon, Korea. kyungun12@gmail.com
- KMID: 2411720
- DOI: http://doi.org/10.22722/kjpm.2017.25.1.063
Abstract
OBJECTIVES
Attention-deficit hyperactivity disorder(ADHD) is characterized by significant impairments in executive functions, with a prevalence of approximately 3-5% of all children worldwide. The goal of this study was to examine the relationship between executive functions and electrophysiological activities in children and adolescents with ADHD.
METHODS
In 31 patients with ADHD, resting-state EEG was recorded, and Comprehensive Attention Test(CAT), Stroop Color-Word Inference Test(Stroop CWIT), Trail Making Test(TMT), and Wisconsin Card Sorting Test(CST) were administered. Korean version of the ADHD Rating Scale(K-ARS) was assessed.
RESULTS
Alpha and beta power positively correlated with the Attention Quotient(AQ), while delta power negatively correlated with AQ from CAT. In the Stroop CWIT, decreased delta power and increased beta power were related to higher performance. Power of the alpha band increased with higher TMT performance. Moreover, delta power negatively correlated with good performance on the CST, while alpha and high gamma band showed a positive correlation. Correlation with the parent-rating of ADHD symptoms showed a negative correlation between alpha power and higher scores on the K-ARS.
CONCLUSIONS
These findings indicate that relative power in higher frequency bands of EEG is related to the higher executive function in children and adolescents with ADHD, while the association with the relative power in lower frequency bands of EEG seem to be vice versa. Furthermore, the findings suggest that QEEG may be a useful adjunctive tool in assessing patients with ADHD.
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