Adolescents ages 16 through 19 years were recruited from local high schools and colleges. Comprehensive screening interviews [53,57] were administered to adolescents and their guardians. Inclusionary criteria required adolescents to have a parent or legal guardian to provide consent and a medical and psychiatric history. Exclusionary criteria were history of: (1) Diagnostic and Statistical Manual for Mental Disorder –Fourth Edition (DSM-IV) [3] Axis I disorder other than alcohol or cannabis use disorder, (2) use of psychoactive medications, (3) chronic medical illness, (4) neurological condition (e.g., migraine), (5) head trauma with loss of consciousness >2 minutes, (6) prenatal alcohol (> 3 drinks in a day or > 6 drinks in a week) or drug exposure, (7) complicated or premature birth (< 33 weeks gestation), (8) learning disability or mental retardation, (9) left handedness, (10) noncorrectable vision, colorblindness or hearing impairments, (11) parental history of bipolar I or psychotic disorder, and (12) non-fluency in English for youth.
