RecruitingEarly Phase 1Drug trialFunctional Neuroimaging of Alcoholism Vulnerability: Probing Glutamate and Reward, Using the mGluR5 Inhibitor MavoglurantThe purpose of this study is to evaluate the role of Mavoglurant in clarifying the neurobiology of alcoholism risk. This is a one-site, randomized, within subjects, counterbalanced double-blind study of a single dose (200mg) of Mavoglurant and placebo.