title: Assimilation and contrast effects in visual discrimination by rhesus monkeys.
mesh_terms: D000818:Animals; D001307:Auditory Perception; D004193:Discrimination Learning; D005556:Form Perception; D000882:Haplorhini; D007257:Information Theory; D008251:Macaca; D009949:Orientation; D011601:Psychophysics; D013060:Speech; D014796:Visual Perception