title: Role of stimulus comparison in equivalence training.
mesh_terms: D000818:Animals; D001288:Attention; D003118:Color Perception; D010856:Columbidae; D003216:Conditioning, Operant; D004193:Discrimination Learning; D005795:Generalization, Stimulus; D010775:Photic Stimulation; D012055:Reinforcement Schedule; D014796:Visual Perception