Heavy Drinker

The purpose of this study is to learn how drinking alcohol affects how people experience stress and how that is affected by the body's chemistry. Specifically, the investigators will be studying relationships of drinking and a stress hormone called cortisol. The investigators believe that results will lead us to find more effective ways to help people stop or reduce drinking when participants are drinking at harmful levels.

The purpose of this research study is to find out about the effects of a drug called mavoglurant on alcohol consumption.

The goal of the proposed study is to examine whether brief training in regulation of craving (ROC-T) affects alcohol drinking. The study will consist of a basic screening (phone and online), and in person visit to determine eligibility and conduct pre-intervention baseline assessments, 1-4 training (ROC-T) visits, a post-intervention assessment visit, and 1-2 phone/online follow up assessments.The two active conditions of ROC-T are based on cognitive-behavioral treatments (CBT) and mindfulness-based treatments (MBT).