title: Diagnosis of cognitive deficit in the aged.
mesh_terms: D000368:Aged; D000375:Aging; D001921:Brain / Q000473:pathology; D001927:Brain Diseases / Q000175:diagnosis; D003072:Cognition Disorders / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D009460:Neurologic Examination; D009461:Neurologic Manifestations; D011581:Psychological Tests