title: Editorial: The search for the engram.
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D002540:Cerebral Cortex / Q000502:physiology*; D006801:Humans; D008568:Memory; D009419:Nerve Tissue Proteins / Q000502:physiology; D009474:Neurons / Q000032:analysis; D012313:RNA / Q000032:analysis
chemical_list: D009419:Nerve Tissue Proteins; D012313:RNA