Intranasal Oxytocin and Social Cognition, Implicit Preferences and Craving in Alcohol Drinkers

Inclusion Criteria: * Subject is a volunteer between 18 and 50 years of age. * If female, subject is non-lactating, not pregnant, and using a reliable contraception method (i.e. abstinence, intrauterine device \[IUD\], hormonal birth control, or barrier method). * Subject is able to read and speak English. * Subject is able and willing to provide written informed consent. * Subject is able to understand and follow the instructions of the investigator and understand all screening questionnaires. * Subject is in good health. Exclusion Criteria: * Positive urine drug screen (except marijuana). * Using cocaine, stimulants (other than nicotine and caffeine), amphetamines, hallucinogens, ecstasy, opiates, sedatives, pain pills, sleeping pills, or other psychoactive drugs within 2 weeks of the start of the study (except marijuana) OR more than 10 times in the last year (except marijuana). * Marijuana use more than 3 times/week. * Has a current dependence on, or addiction to any psychoactive drug (except nicotine or caffeine) including alcohol OR a recent history of substance abuse other than alcohol, tobacco or marijuana. * Clinically significant medical or psychiatric illness requiring treatment as determined by screening blood tests, medical history, and/or physical exam performed or reviewed by the study physician. * BAC level \> 0.05% at the beginning of screening visit (within margin of error of detection). * Has a neurological dysfunction or psychiatric disorder (confirm with study physician). * Has a history of brain trauma (confirm with study physician). * Has an allergy or intolerance to oxytocin. * Subject has received an investigational drug within 30 days of Screening Visit. * Subject is considered unsuitable for the study in the opinion of the investigator, nurse practitioner, or study physician for any other reason.