The goal of this clinical trial is to use a novel virtual reality intervention to test for efficacy in reducing alcohol use and increasing abstinence, with concomitant increases in future self-identification, future time perspective, and delay-of-reward, in early recovering stimulant use disorder (SUD) persons. The main question\[s\] this trial aims to answer are: Will the Virtual Reality (VR) intervention decrease the number of stimulant use days? Will the VR intervention produce longer abstinence periods during follow-up visits? Will the VR intervention increase alcohol abstinence rates? Will the VR intervention increase future self-identification? Will the VR intervention increase self-reported future time perspective? Will the VR intervention increase preference for delayed rewards in a laboratory delay discounting task on the study day? Will the VR intervention produce gains in the behavioral effects of future self-identification, future time perspective, and delayed rewards at the 30-day and 6-month follow-ups? Researchers will compare the experimental and control groups to see if there are differences in the results for the questions outlined above.
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Reduced Use of Drug Using Days
Timeframe: Study Day Visit; 30-day Follow-up Visit; 6-month Follow-up Visit.
Increased Length of Abstinence
Timeframe: Study Day Visit; 30-day Follow-up Visit; 6-month Follow-up Visit.
Increased (overall) Abstinence
Timeframe: Study Day Visit; 30-day Follow-up Visit; 6-month Follow-up Visit.
Future Self-identification
Timeframe: Study Day Visit; 30-day Follow-up Visit; 6-month Follow-up Visit.
Future Time Perspective
Timeframe: Study Day Visit; 30-day Follow-up Visit; 6-month Follow-up Visit.
Delayed Reward Preference
Timeframe: Study Day Visit; 30-day Follow-up Visit; 6-month Follow-up Visit.