Effects of delta-9-tetrahydrocannabinol on evaluation of emotional images
Journal of Psychopharmacology, 05/17/2012
Ballard ME et al. – Δ9–tetrahydrocannabinol (THC) significantly impaired recognition of facial fear and anger, but it only marginally impaired recognition of sadness and happiness. The drug did not consistently affect ratings of emotional scenes. THC’s effects on emotional evaluation were not clearly related to its mood–altering effects. These results support the authors' previous work, and show that THC reduces perception of facial threat. Nevertheless, THC does not appear to positively bias evaluation of emotional stimuli in general.