Cannabis and creativity: highly potent cannabis impairs divergent thinking in regular cannabis users

Abstract Rationale: Cannabis users often claim that cannabis has the potential to enhance their creativity. Research suggests that aspects of creative performance might be improved when intoxicated with cannabis; however, the evidence is not conclusive. Objective: The aim of this study was to investigate the acute effects of cannabis on creativity. Methods: We examined the effects of administering a low (5.5 mg delta-9-tetrahydrocannabinol [THC]) or high (22 mg THC) dose of vaporized cannabis vs. placebo on creativity tasks tapping into