Folie à deux revisited.
Folie à deux (shared paranoid disorder) is misleadingly defined in DSM-III. It is not an illness in itself, but a phenomenon associated with delusional psychiatric illnesses. There are two main types of folie à deux. An updated nomenclature is proposed.
Munro
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D006801:Humans; D012753:Shared Paranoid Disorder / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology; D012934:Social Isolation; D009626:Terminology as Topic