J Korean Neuropsychiatr Assoc.
2000 Jan;39(1):208-218.
QEEG Findings in Attention Deficit/Hyperactivity Disorder
- Affiliations
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- 1Division of Child & Adolescent Psychiatry, Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Korea.
- 2Department of Psychiatry, Kyoung-Nam provincial hospital, Sacheon, Kyoungsangnam-do, Korea.
- 3Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Korea.
Abstract
OBJECTIVE
To find out the distinctive topographic EEG profiles of subject with attention deficit hyperactivity disorder comparing with age & sex matched control. METHOD: The quantitative electroencephalographies(QEEGs) of 20 drug-naive ADHD patients without any other psychiatric diagnosis were analyzed and compared to age and sex-matched controls using spectral analysis.
RESULTS
1) Slow waves(delta and theta) bipolar relative powers of the diverse areas in both hemispheres increased in drug-free ADHD patients, compared to controls. 2) Delta and theta bipolar relative powers of localized centro-temporal areas in left hemispheres increased in drug-free ADHD patients compared to controls. 3) Interhemispheric coherence and asymmetry are increased in diverse areas in ADHD patient compared to controls.
CONCLUSION
We confirmed QEEG abnormalities in pure ADHD patients, especially in frontal and parietal areas. These results are compatible with other structural and functional imaging studies of ADHD.
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