Reduced binocular depth inversion as an indicator of cannabis-induced censorship impairment.
Pharmacology, biochemistry, and behavior November 1991 H M Emrich, M M Weber, A Wendl et al.
Measurements of binocular depth inversion using a stereoscopic slide projection with polarized light were performed in healthy volunteers before and after cannabis intake. Since binocular depth inversion represents an illusion occurring in the perception of semantically meaningful objects projected in a 3-D inverted fashion, the hypothesis can be tested that cannabis-induced "psychedelic...