This study investigates the cognitive effects of marijuana use. It aims to compare frequent marijuana users with individuals who have not used illicit drugs in the past 6 months. Participants will be involved in various assessments, including cognitive tasks, and will provide urine and saliva samples.
Participants will take part in assessments and cognitive tasks. They will also supply a urine drug screen and saliva samples for analysis. The study is conducted in Indianapolis, IN, and participants will receive compensation for their involvement.
- Who can participate: Participants must speak English as their first language, have no psychiatric illness for at least 6 months, and have completed high school with normal or corrected vision and hearing.
- Study details: Participants will engage in cognitive tasks and provide urine and saliva samples. A placebo is not involved in this study.

