EEG & ADHD ( 7)

Clarke's group did further research into the 3rd cluster they previously identified. More specific examination of the Excess â group.

(ADHD-com N=208,ADHDin N= 90, controls N= 80 ; "excessive" defined as 2 SD higher than controls)

Clarke, et al, 2001, Psychiatry Research

Excess â found in 15% of ADHDcom and 2% of ADHDin

Excess â had less relative Ä

No DSM behavior/symptom differences were noted but intake questionnaires showed they more frequently were described as having poor self-esteem, being moody w/temper tantrums, situationally aggressive at home and easily frustrated in social situations.