Folie à deux (French for 'madness of two'), [1] also called shared psychosis [3] or shared delusional disorder (SDD), is a rare psychiatric syndrome in which symptoms of a delusional belief [4] are "transmitted" from one individual to another.

Jun 27, 2018 · The meaning of FOLIE À DEUX is the presence of the same or similar delusional ideas in two persons closely associated with one another.

Aug 23, 2022 · Shared psychotic disorder — also known as “folie à deux” — is a rare disorder involving two or more people who share a delusion or false belief.

Aug 28, 2023 · Shared psychotic disorder (folie à deux) is a rare disorder characterized by sharing a specific delusion among two or more people in a close relationship. The inducer (primary) who has a psychotic disorder with delusions influences another individual or more (induced, secondary) based on a delusional belief.

Mar 26, 2018 · Sometimes, participants in folie a deux are harmless people whose delusions only affect themselves. Other times, they are criminals who hurt or even murder people. Whatever they do, it’s an interesting psychological phenomenon that seems outlandish and impossible to the average person, even though it has happened repeatedly.

Folie à deux is defined as an identical or similar mental disorder affecting two or more individuals, usually the members of a close family. Two case reports of this condition are presented with a brief review of the literature.

A folie a deux is a mental disorder that two people share and experience at the same time. If you and your best friend are convinced that her dog can speak English, it may be a folie a deux.

Folie à Deux can occur in many situations outside the confines of the current classification systems and is not as rare as believed, and should alert the clinician to unrecognized psychiatric problems in the secondary.

Sep 13, 2019 · Folie à deux is the more commonly recognized name for what the DSM-5 calls shared psychotic disorder. It’s a rare condition that involves shared delusions between two or more people who are in a close relationship.

Shared psychosis (previously termed folie à deux) is now considered a subset of delusional disorder. It usually occurs in a person or group of people (usually a family) who are related to a person with a significant delusional disorder or schizophrenia .