title: Alteration of a learned response of the squirrel monkey by hallucinogens.
mesh_terms: D000661:Amphetamine / Q000494:pharmacology; D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D004193:Discrimination Learning / Q000187:drug effects*; D006213:Hallucinogens / Q000494:pharmacology*; D000882:Haplorhini; D007858:Learning / Q000187:drug effects; D011562:Psilocybin / Q000494:pharmacology; D014363:Tryptamines / Q000494:pharmacology
chemical_list: D006213:Hallucinogens; D014363:Tryptamines; D011562:Psilocybin; D000661:Amphetamine