the clinical data related to alcohol dependence and alcohol-related medical problems. Alcoholic subjects who had a family history of psychiatric disorders in their first degree relatives, as well as those with severe cognitive deficits based on their score (< 21) on the mini mental state examination (MMSE; (Folstein et al., 1975)) were excluded from the study. Subjects who were found to be positive (for their recent drug use) on the urine screen and Breathalyzer test as well as those with a history of hallucinogen abuse (e.g., LSD) were excluded from the study to avoid the possible interaction of drugs with the EEG profile. However, given the nature of the disorder, subjects with a history of other substance use and/or ASPD as co-existing conditions and with a past history of CD, ADHD, and oppositional defiant disorder (ODD) were included in the alcoholic group. Only subjects who had a minimum of 20 successful trials for the Go as well as the NoGo trials were included. For both groups, subjects with hearing or visual impairment, liver disease, or head injury were also excluded. Experimental procedures and ethical guidelines were in accordance with approval from the institutional review board (IRB). Alcohol and other drug
