Folie à deux
| Subclass of | schizophrenia, delusional disorder  |
|---|---|
| Has cause | idiopathy |
| Health specialty | psychiatry, clinical psychology |
| Symptoms and signs | delusion |
| Medical examination | Medical Interview |
| Possible treatment | psychotherapy, counseling |
| ICPC 2 ID | P72 |
Folie à deux (French for 'madness of two'),[1] dem sanso call shared psychosis[2] anaa shared delusional disorder (SDD), be a rare psychiatric syndrome insyd wich symptoms of a delusional belief[3] be "transmitted" from one individual to anoda.[4]
De disorder, dem first conceptualize am insyd 19th century French psychiatry by Charles Lasègue den Jules Falret, sanso be known as Lasègue–Falret syndrome.[3][5] Recent psychiatric classifications dey refer to de syndrome as shared psychotic disorder (DSM-4 – 297.3) den induced delusional disorder (ICD-10 – F24), although de research literature largely dey use de original name. De same syndrome dem share by more dan two people fi be called folie à trois ('three') anaa quatre ('four'); den further, folie en famille ('family madness') anaa even folie à plusieurs ('madness of several').[6]
Dis disorder no be insyd de current, fifth edition of de Diagnostic and Statistical Manual of Mental Disorders (DSM-5), wich dey consider de criteria to be insufficient anaa inadequate. DSM-5 no dey consider Shared Psychotic Disorder (folie à deux) as a separate entity; rather, de physician for classify am as "Delusional Disorder" anaa insyd de "Other Specified Schizophrenia Spectrum and Other Psychotic Disorder" category.
References
[edit | edit source]- ↑ "Collins dictionaries English, French, German, Spanish | WorldCat.org". search.worldcat.org (in English). Retrieved 2026-02-15.
- ↑ Berrios, G. E., and I. S. Marková. 2015. "Shared Pathologies. Pp. 3–15 in Troublesome disguises: Managing challenging Disorders in Psychiatry (2nd ed.), edited by D. Bhugra and G. Malhi. London: Wiley.
- 1 2 Arnone D, Patel A, Tan GM (2006). "The nosological significance of Folie à Deux: a review of the literature". Annals of General Psychiatry. 5: 11. doi:10.1186/1744-859X-5-11. PMC 1559622. PMID 16895601.
- ↑ "Madness In The Fast Lane | DocumentaryStorm". documentarystorm.com (in American English). Archived from the original on 2010-10-01. Retrieved 2026-02-15.
- ↑ Lasègue, Charles; Falret, Jules (1877). "LA FOLIE A DEUX". Archives générales de médecine. 6 (30): 257–297 – via Internet Archive.
- ↑ Enoch, David; Puri, Basant K.; Ball, Hadrian (2020-11-23). Uncommon Psychiatric Syndromes (in English). Routledge. p. 282. ISBN 978-1-4987-8796-3.
Read further
[edit | edit source]Books
[edit | edit source]- Enoch, D., and H. Ball. 2001. "Folie à deux (et Folie à plusieurs)." In Uncommon psychiatric syndromes (4th ed.). London: Arnold. ISBN 0340763884
- Halgin, R., and S. Whitbourne. 2002. Abnormal Psychology: Clinical Perspectives on Psychological Disorders. McGraw-Hill. ISBN 0072817216
- Hatfield, Elaine; Caccioppo, John T & Rapson, Richard L. (1994). Emotional contagion (Studies in Emotional and Social Interaction). Cambridge, UK: Cambridge University Press. ISBN 0-521-44948-0.
- Ketchum, James S. 2007. Chemical Warfare: Secrets Almost Forgotten A Personal Story of Medical Testing of Army Volunteers (2nd ed.). Chembook, Inc. ISBN 1424300800; ISBN 978-1424300808.
- Metzner, Ralph, ed. (1999-06-02). Ayahuasca: Human Consciousness and the Spirits of Nature. New York, NY: Thunder's Mouth Press. ISBN 1-56025-160-3.
Journal articles
[edit | edit source]- Wehmeier PM, Barth N, Remschmidt H (2003). "Induced delusional disorder. a review of the concept and an unusual case of folie à famille". Psychopathology. 36 (1): 37–45. doi:10.1159/000069657. PMID 12679591. S2CID 144398794.
- Abu-Salha, Mohammad (1998). "Folie á Deux: Two Case Reports". Jefferson Journal of Psychiatry. 14. doi:10.29046/JJP.014.1.002.
- Ohnuma, Tohru; Arai, Heii (2015). "Genetic or Psychogenic? A Case Study of "Folie à Quatre" Including Twins". Case Reports in Psychiatry. 2015: 1–3. doi:10.1155/2015/983212. PMC 4496465. PMID 26199782.
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