CHILDHOOD EEG COHERENCE AS A PREDICTOR OF ADULT ATTENTION-DEFICIT/ HYPERACTIVITY DISORDER
Journal Title: Acta Neuropsychologica - Year 2009, Vol 7, Issue 3
Abstract
[b]SUMMARY[/b]Attention-Deficit/Hyperactivity Disorder (AD/HD) is a common psychiatric disorder of childhood that continues to affect many people as adults. At present it is not possible to determine in childhood who will have the disorder as an adult. The aim of this study was to determine whether EEG coherence differ-ences exist between children who outgrow the disorder and those who continue to be symptomatic as adults. Pre-treatment EEGs were recorded during an eyes-closed rest-ing condition from 38 boys diagnosed with AD/HD and 38 age-matched control subjects. Coherence was calculated for 8 intra-hemispheric electrode pairs (4 in each hemisphere), and 8 in -terhemispheric electrode pairs, within each of the delta, theta, alpha and beta bands. A second assessment was performed on the AD/HD subjects 11 years after the initial assessment to determine whether subjects met criteria for adult AD/HD. Across the entire AD/HD sample, increased frontal delta and theta coherences were found compared with controls. Both inter hemispheric and intrahemispheric coherence differences were found in the delta and theta bands between those who outgrew the disorder and these who continued to have AD/HD as adults. Increased frontal delta and theta coherences appear to be the most reliable coherence markers of childhood AD/HD. Children who later outgrow the disorder have coherence anomalies dif-ferent from those who continue to have AD/HD as adults. These results suggest that coherence measures might serve as a mar ker that can be used clinically in childhood to predict adult AD/HD.
Authors and Affiliations
Adam R Clarke, Robert J Barry, Franca E. Dupuy, Rory McCarthy, Mark Selikowitz, Patrick C. L. Heaven
Keywords
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