Joseph KA. Arch Neurol 2007;64:1762-1766.
Capgras s is delusional belief that a person has been removed and replaced by an impostor (husband, wife, etc.) In a review of 57 instances (Mayo Minnesota) 38 had neurodegenerative disease usually Lewy body disease. 100 % of those with LBD had visual hallucinations too compared to only one with AD. In younger patients CS occurred in the context of paranoid schizophrenia, schizoaffective disorder, methamphetamine abuse, and immediately after massive infarctions not in any one distinctive area.
