... Impact of remission definition and symptom type. Am J Psychiatry 2000,157:816-818.25. Biederman J, Petty C, Fried R, Fontanella J, Doyle AE, Seidman L,Faraone SV: Impact of Psychometrically-Defined ... diagnosis of adult ADHD, thesubject must have (1) met full DSM-IV criteria (at least 6 of 9 symptoms) for inattentive or hyperactive/impulsivesubtypes, with the onset of multiple symptoms by age 7years; ... start of any sudden move-ment of the steering wheel or depression of the brakepedal and rate of stopping before a traffic light or stop signwas also designed to be a proxy of hyperactivity.Statistical...