title: Neurons in cerebral cortex area 4 and area 5 increase their discharge frequency during operant conditioning.
mesh_terms: D000818:Animals; D002540:Cerebral Cortex / Q000502:physiology*; D003216:Conditioning, Operant; D004553:Electric Conductivity; D006801:Humans; D008251:Macaca; D009474:Neurons / Q000502:physiology*; D012201:Reward; D013239:Stereotyped Behavior