FOLIE A TROIS By N., Sam M.S. - 86 Another shared psychotic disorder where 3 people in the same family share the same or similar delusions. French for triple insanity. FOLIE A TROIS: "Folie a trois is French for a shared disorder." Related Psychology Terms Dissociative Identity Disorder Selecting a Diagnosis Cultural Norms & Values in the African-American Population LEGAL PSYCHIATRY (Forensic Psychiatry) FAMILY CARE Diagnosis and Treatment Planning ANTISOCIAL REACTION SCHIZOPHRENIA (PARANOID TYPE) A Comparison of Maternal and Paternal Filicide MANIC-DEPRESSIVE REACTION (GENERAL) Cite this page: N., Sam M.S., "FOLIE A TROIS," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/folie-a-trois/ (accessed July 7, 2022).