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Neural Hyperactivity During Value-Based Decision-Making In People With Daily/Near Daily Cannabis Use, Miranda Ramirez
Neural Hyperactivity During Value-Based Decision-Making In People With Daily/Near Daily Cannabis Use, Miranda Ramirez
Theses and Dissertations--Psychology
Value-based decision-making involves the coordinated effort of multiple brain regions to guide future choices based on past experiences. These processes are disrupted in cannabis use disorder, where individuals continue to use cannabis despite negative consequences. Reinforcement learning (RL) paradigms can be used to capture changes in the value of available options and may inform how the brain is impacted by frequent cannabis use. This study combined fMRI with behavioral modeling of probabilistic choice task data to compare value-based choices between young adults reporting daily/near daily cannabis use (CAN) and controls (CTRL). Participants selected one of two options reinforced ($0.25) at …