title: Hippocampal potentials related to signal stimuli in unrestrained rats.
mesh_terms: D000818:Animals; D004192:Discrimination, Psychological; D004569:Electroencephalography; D004824:Epidural Space / Q000502:physiology; D005502:Food; D006624:Hippocampus / Q000502:physiology*; D008297:Male; D009043:Motor Activity; D009778:Occipital Lobe / Q000502:physiology; D010296:Parietal Lobe / Q000502:physiology; D010775:Photic Stimulation; D051381:Rats; D013826:Theta Rhythm