Journal
PSYCHOPHARMACOLOGY
Volume 232, Issue 6, Pages 1123-1134Publisher
SPRINGER
DOI: 10.1007/s00213-014-3749-1
Keywords
Cannabis; Creativity; Divergent thinking; Convergent thinking
Categories
Funding
- Bedrocan BV
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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. The aim of this study was to investigate the acute effects of cannabis on creativity. 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 divergent (Alternate Uses Task) and convergent (Remote Associates Task) thinking, in a population of regular cannabis users. The study used a randomized, double-blind, between-groups design. Participants in the high-dose group (n = 18) displayed significantly worse performance on the divergent thinking task, compared to individuals in both the low-dose (n = 18) and placebo (n = 18) groups. The findings suggest that cannabis with low potency does not have any impact on creativity, while highly potent cannabis actually impairs divergent thinking.
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