title: Discriminative vocal conditioning in rhesus monkeys: evidence for volitional control?
mesh_terms: D000818:Animals; D001362:Avoidance Learning; D003216:Conditioning, Operant; D004193:Discrimination Learning; D004644:Emotions; D005260:Female; D000882:Haplorhini; D008253:Macaca mulatta; D009042:Motivation; D012055:Reinforcement Schedule; D014796:Visual Perception; D014828:Vocalization, Animal