title: What is a lacune? Dogged déjà vu doggerel.
authors.forename: William M
authors.initials: WM
authors.lastname: Landau
mesh_terms: D020520:Brain Infarction / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology*; D003072:Cognition Disorders / Q000150:complications; D006801:Humans; D008833:Microcirculation; D009626:Terminology as Topic; D014652:Vascular Diseases / Q000150:complications