VARIABLE REWARDS AND PERIPHERAL CUES IN DISCRIMINATIONS BY   IRRADIATED AND NONIRRADIATED MONKEYS.
D000818:Animals; D003463:Cues; D004193:Discrimination Learning; D000882:Haplorhini; D006801:Humans; D011830:Radiation Effects; D012106:Research; D012201:Reward
DISCRIMINATION LEARNING; EXPERIMENTAL LAB STUDY; MONKEYS; RADIATION EFFECTS