Folie à deux

Folie à deux (French for 'madness of two'), dem sanso call shared psychosisBerrios, 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. anaa shared delusional disorder (SDD), be a rare psychiatric syndrome insyd wich symptoms of a delusional belief be "transmitted" from one individual to anoda.

De disorder, dem first conceptualize am insyd 19th century French psychiatry by Charles Lasègue den Jules Falret, sanso be known as Lasègue–Falret syndrome. 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').

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 

Read further 
 Books 
 Enoch, D., and H. Ball. 2001. "Folie à deux (et Folie à plusieurs)." In Uncommon psychiatric syndromes (4th ed.). London: Arnold. 
 Halgin, R., and S. Whitbourne. 2002. Abnormal Psychology: Clinical Perspectives on Psychological Disorders. McGraw-Hill. 

 Ketchum, James S. 2007. Chemical Warfare: Secrets Almost Forgotten A Personal Story of Medical Testing of Army Volunteers (2nd ed.). Chembook, Inc. ; .


 Journal articles 




External links
 Shared Delusional Disorder in a Cult

Category:Psychosis
Category:Psychopathological syndromes
Category:Hallucinations
Category:Delusional disorders
Category:Mass psychogenic illness
Category:Diseases dem name after discoverers