title: RESPONSE PERSEVERATION UNDER CONSTANT STIMULUS-POSITION CONDITIONS BY NORMAL AND PREVIOUSLY IRRADIATED FEMALE RHESUS MONKEYS.
mesh_terms: D000818:Animals; D006801:Humans; D007858:Learning; D008253:Macaca mulatta; D011830:Radiation Effects; D051381:Rats; D012106:Research; D012201:Reward
keywords: EXPERIMENTAL LAB STUDY; LEARNING; RADIATION EFFECTS; RATS; REWARD