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Quantitative EEG Differences in a Nonclinical Sample of Children with ADHD and Undifferentiated ADD
Journal article   Peer reviewed

Quantitative EEG Differences in a Nonclinical Sample of Children with ADHD and Undifferentiated ADD

SAMUEL KUPERMAN, BRIAN JOHNSON, STEPHAN ARNDT, SCOTT LINDGREN and MARK WOLRAICH
Journal of the American Academy of Child and Adolescent Psychiatry, Vol.35(8), pp.1009-1017
08/1996
DOI: 10.1097/00004583-199608000-00011
PMID: 8755797

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Abstract

To use quantitative electroencephalographic (EEG) techniques to identify electrophysiological differences between children with distinct disorders of attention and/or hyperactivity. Forty children from a prescreened community sample were evaluated by means of both spectral EEG and evoked response potential (ERP) techniques. The children were 7 to 13 years of age and were selected on the basis of membership in one of the following DSM-III-R categories: attention-deficit hyperactivity disorder (ADHD) (n = 16), undifferentiated attention deficit disorder (UADD) (n = 12), or no disruptive disorder diagnosis (n = 12). Spectral EEG revealed that UADD subjects had less delta band relative percent power (RPP) (p < .01), more beta band RPP (p < .01), and ERP findings of a decreased rare tone P300 amplitude (p < .02) compared with the control group. ADHD subjects had spectral EEG findings of increased beta band RPP (p < .05) and ERP findings of an increased common tone N100 latency (p < .02) and a decreased rare tone P300 amplitude (p < .02). Interhemispheric asymmetries appeared to distinguish the groups: the UADD group had spectral EEG asymmetries; the ADHD group had only ERP asymmetries; and the control group had no asymmetries. Quantitative EEG techniques may prove useful in differentiating specific subtypes of ADHD.
 Attention Deficit Disorder attention-deficit hyperactivity disorder spectral electroencephalogram evoked response potential

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