Simultaneous EEG and EDA measures in adolescent attention deficit hyperactivity disorder

Adolescent unmedicated ADHD males and age- and sex-matched normal control S ubjects were examined simultaneously using EEG and EDA measures in a restin g eyes-open condition. ADHD adolescents showed increased absolute and relat ive Theta and Alpha1 activity, reduced relative Beta activity, reduced skil l conductance level (Sn) and a reduced number of non-specific skin conducta nce responses (NS.SCRs) compared with the control subjects. Our findings in dicate the continuation of increased slow wave activity in ADHD adolescents and the presence of a state of autonomic hypoarousal in this clinical grou p. (C) 1999 Elsevier Science B.V. All rights reserved.