Comparison of Quantitative Electroencephalography (qEEG) Indices in Children with Attention Deficit-Hyperactivity Disorder and Healthy Children
2016
and useful measures of ongoing brain activity. They may have a role in ADHD
diagnosis. This study aims at evaluating the findings of quantitative EEG
(QEEG) in children with ADHD.
Methods: In this cross-sectional controlled study, 30 male children with
ADHD aged 6-12 years were compared with 30 male age-matched healthy
children. The QEEG was performed in all participants and the data with regard
to the brain waves were compared between the two groups.
Results: Regarding the band type, generalized decrease in absolute power
of “high-beta” waves was found in the ADHD group. The power ratio of alpha,
beta, delta and theta waves to high-beta wave were increased in the ADHD
group in decreasing order. The recorded waves from the frontal, parietal and
occipital lobes, with different absolute power between the two groups, were
demonstrated to have a significant preponderance in children with ADHD. This
preponderance was in favor of the control group in the temporal lobe. There was
not a significant difference in central region between the two groups.
Conclusion: According to our results, generalized decrease in absolute
power of “high-beta” waves was a constant finding in ADHD children.
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