On the neural mechanism of conditioned lever-pressing in the dog.
D000818:Animals; D002540:Cerebral Cortex / Q000166:cytology / Q000502:physiology*; D003216:Conditioning, Operant; D004285:Dogs; D004558:Electric Stimulation; D005071:Evoked Potentials; D006624:Hippocampus / Q000166:cytology / Q000502:physiology; D009474:Neurons / Q000502:physiology*