folie à deux

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fo·lie à deux

 (fô-lē′ ä dœ′, fŏl′ē)
n.
A condition in which two individuals who share a close relationship experience the same delusions or hallucinations as the result of a mental disorder such as schizophrenia affecting one or both of them. Also called shared psychotic disorder.

[French : folie, madness + à, between + deux, two.]

folie à deux

(ˈfɒlɪ æ ˈdɜː)
n
(Psychiatry) psychiatry mental illness occurring simultaneously in two intimately related persons who share some of the elements of the illness, such as delusions
[French: madness involving two (people)]

folie à deux

This mental disorder, present in two closely associated individuals at once, most commonly occurs in a husband and wife.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.folie a deux - the simultaneous occurrence of symptoms of a mental disorder (as delusions) in two persons who are closely related (as siblings or man and wife)
folie, mental disorder, mental disturbance, psychological disorder, disturbance - (psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness
References in periodicals archive ?
So long, we are acquainted with the term "shared psychotic disorder" or "induced psychotic disorder" which was first described by Lasegue and Falret (Lasegue C, Falret J 18:321) [1] in 1877 which is popularly known as "folie a deux.
Those people who have any other category of psychosis i.e.: schizoaffective disorder, medical induced psychotic disorder, brief psychotic disorder and substance induced psychotic disorder were excluded.
Following admission to the psychiatric ward, AM was assessed to have a cannabis- induced psychotic disorder. Her symptoms remitted after 3 months of inpatient treatment with an atypical antipsychotic drug (risperidone), and she was discharged with a diagnosis of schizophreniform disorder.