title: Activation of hippocampal theta rhythm by opiates in the rat.
mesh_terms: D000818:Animals; D004569:Electroencephalography; D006624:Hippocampus / Q000187:drug effects* / Q000502:physiology; D008297:Male; D009294:Narcotics / Q000494:pharmacology*; D010275:Parasympathetic Nervous System / Q000187:drug effects; D051381:Rats; D011919:Rats, Inbred Strains; D013826:Theta Rhythm
chemical_list: D009294:Narcotics