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Fortschr Neurol Psychiatr. 2008 Mar;76(3):149-54. Epub 2007 Sep 26.

[Folie à deux - mental infection or individual psychosis].

[Article in German]

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Klinik und Poliklinik für Psychiatrie und Psychotherapie der Universität Würzburg (Direktor: Prof. Dr. J. Deckert).


The phenomenon of folie à deux has been a topical issue in psychiatry for more than a century. Mainly, genetic and psychodynamic factors are discussed controversially in terms of their relevance to the etiology of folie à deux. In this paper, effort is taken to reconceive the topic applying the criteria of a differentiated psychopathological classification. Based on the literature and on two own cases, we try to elaborate characteristical psychopathological features of folie à deux patients. We hypothesize that at least a substantial fraction could be classified as "folie simultanée" when Leonhard's criteria of the affect-laden paraphrenia are considered.

[Indexed for MEDLINE]

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