title: Endorphins and memory regulation.
mesh_terms: D000818:Animals; D001921:Brain / Q000187:drug effects / Q000502:physiology; D003216:Conditioning, Operant; D004597:Electroshock; D004723:Endorphins / Q000494:pharmacology / Q000502:physiology*; D008568:Memory / Q000187:drug effects; D009292:Narcotic Antagonists / Q000494:pharmacology; D001615:beta-Endorphin
chemical_list: D004723:Endorphins; D009292:Narcotic Antagonists; D001615:beta-Endorphin