title: AN ANALYSIS OF THE IMPORTANCE OF S-R SPATIAL  CONTIGUITY FOR PROFICIENT PRIMATE DISCRIMINATION PERFORMANCE.
mesh_terms: D000818:Animals; D003201:Computers; D004193:Discrimination Learning; D000882:Haplorhini; D006801:Humans; D011323:Primates; D011676:Punched-Card Systems; D012106:Research; D013028:Space Perception
keywords: COMPUTERS; DISCRIMINATION LEARNING; EXPERIMENTAL LAB STUDY; MONKEYS; PUNCHED-CARD SYSTEMS; SPACE PERCEPTION