2004). Thus, these behavioral phenomena – antisocial, impulsive traits, substance use disorders (SUDs), are variable expressions of a disinhibitory complex (Gorenstein and Newman, 1980) with AUD as one possible outcome in this spectrum. Understanding addictive behavior is complex and involves interactions among behavioral, environmental, and genetic factors; neuroelectrophysiological techniques allow dissection of some of these issues and provide hope for finding useful intervention loci.