title: A Spotless Mind.
mesh_terms: D000818:Animals; D049229:Dendritic Spines / Q000502:physiology; D006801:Humans; D008251:Macaca; D008568:Memory / Q000145:classification; D051379:Mice; D009474:Neurons / Q000166:cytology / Q000502:physiology; D062308:Optogenetics