False memory formation in cannabis users: a field study
Psychopharmacology June 27, 2019 Lilian Kloft, Henry Otgaar, Arjan Blokland et al. 19 citations
Cannabis intoxication and a history of regular cannabis use are linked to a more liberal response criterion in memory tasks, leading to higher false recognition of unrelated items. In a field study using the Deese/Roediger-McDermott (DRM) paradigm, regular cannabis consumers who were acutely intoxicated (n = 53), regular cannabis consumers who were sober (n = 50), and cannabis-naïve controls (n = 53) completed a memory test. False memory rates for critical lures did not statistically differ between groups, but both intoxicated and sober cannabis consumers falsely recognized more unrelated items than controls. Cannabis-naïve individuals showed higher memory accuracy compared with the intoxicated group.