title: Rewarding periaqueductal gray stimulation disrupts long-term memory for passive avoidance learning.
mesh_terms: D000818:Animals; D001362:Avoidance Learning / Q000187:drug effects / Q000502:physiology*; D001931:Brain Mapping; D008297:Male; D008568:Memory / Q000187:drug effects / Q000502:physiology*; D008636:Mesencephalon / Q000187:drug effects / Q000502:physiology*; D009020:Morphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D011678:Punishment; D051381:Rats; D012201:Reward; D013997:Time Factors
chemical_list: D009270:Naloxone; D009020:Morphine