

The mother, a 40-year-old divorcee from a low socioeconomic background, with primary school education presented with continuous illness of 8 years' duration interspersed with exacerbations and partial remissions. We discuss the case of 2 patients with folie imposé, who presented to our OPD. It is perhaps the most impressive example of a pathological relationship and, therefore, an understanding of its underlying mechanism has theoretical implications for other kinds of disturbed interpersonal relationships.


3 – 7 It is certainly more common in isolated communities and families where there is a great urge to defend the status quo.įolie à deux is undoubtedly an intriguing condition of great relevance to the understanding of human psychopathology. Cases have been reported from beyond western societies, including Nigeria and India. 2Īn exact figure for the incidence and prevalence of folie à deux is not available. folie a trois, folie a quatre, folie a cinq, or even a whole family, folie a famille. Although this condition involves two people, it can extend from the original subject to three, four, five persons, viz. ‘communicated insanity’, ‘contagious insanity’, ‘infectious insanity’, ‘psychosis of association’ and ‘double insanity’. 1 Many synonyms have been used for describing this condition, which mainly reflect the idea of the condition's transmissibility, viz. It was described as folie communiqué in 1860 by Baillarger and as folie à deux in 1877 by Lasegue and Farlet. The term folie à deux includes several syndromes in which mental symptoms, particularly paranoid delusions, are transmitted from one person to one or more others with whom the apparent instigator is in some way intimately associated so that he or she and they come to share the same delusional ideas.
