Cannabis Observations on Brain Waves, Retrieval, and Attention: Experiment 3

Inclusion Criteria14

• Must be between the ages of 21 and 40 and provide informed consent;
• Must be right-handed (Laterality Quotient > 60 on Edinburgh Handedness Inventory - Short Form);
• Must use cannabis at least 4 days during the month;
• Must be a cannabis user for at least a year;
• Must self-report not using other illicit recreational drugs (e.g., cocaine, benzodiazepines (non-prescription), opiates (non-prescription), MDMA, sedatives, or methamphetamine) in the past 30 days, during the Pre-Screening;
• Must not test positive on a urine toxicology test for drugs of abuse at the Baseline appointment;
• Must not be using psychotropic medications, however anti-depressant, non-benzodiazepine anti-anxiety, and ADHD medications are ok. ADHD medication users must be willing to abstain from ADHD medication use on appointment days;
• Must not be a regular nicotine user (≤4 days per week; cigarette, E-cigs, or smokeless);
• Must not have used caffeine or nicotine (cigarette, E-cigs, or smokeless) for 4 hours before each appointment;
• Must have a breath alcohol level of 0 at Baseline appointment (to sign consent form);
• Must not be actively seeking or in treatment for any substance use disorder;
• Female subjects must not be or trying to become pregnant (as indicated by a pregnancy test administered at Baseline appointment);
• Must not be in treatment for psychotic disorder or bipolar disorder; or have a history with these disorders;
• Must not have any physical characteristics (e.g., thick hair, head size exceeding the limit of the net, dyed hair) or experience any technical difficulties during testing that result in a poor-quality EEG recording.