title: Aids to navigation.
authors.affiliation: The Lancet, London, UK.
authors.forename: D
authors.initials: D
authors.lastname: Sharp
mesh_terms: D000818:Animals; D001717:Birds; D002540:Cerebral Cortex / Q000502:physiology*; D005260:Female; D006624:Hippocampus / Q000502:physiology*; D006801:Humans; D008297:Male; D018782:Maze Learning / Q000502:physiology*; D009949:Orientation / Q000502:physiology*; D011930:Reaction Time / Q000502:physiology; D012727:Sex Characteristics