title: Operant conditioning and slow potential changes from monkey cortex.
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D001362:Avoidance Learning; D002540:Cerebral Cortex / Q000502:physiology*; D003216:Conditioning, Operant; D003265:Contingent Negative Variation; D004569:Electroencephalography; D004585:Electrooculography; D005071:Evoked Potentials; D000882:Haplorhini; D008251:Macaca; D012054:Reinforcement, Psychology