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Folie à Quatre

  • A. C. P. Sims (a1), P. H. Salmons (a2) and Philippa Humphreys (a3)

Summary

A case of folie à quatre is described affecting a proband and his wife, sister and brother. The three family members retained their symptoms of paranoid schizophrenia. The wife was not mentally ill and her delusions disappeared in time (folie imposée). Coincidentally, there were several cases of Huntington's chorea amongst her relatives. Different categories of folie à deux are demonstrated in the various family members and relationships.

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Dewhurst, K. & Todd, J. (1956) The psychosis of association—folie à deux. Journal of Nervous and Mental Diseases, 124, 451–9.
Goldney, R. D. (1975) Socio-clinical substrates of folie à deux. British Journal of Psychiatry, 126, 203. Letter.
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Lasègue, C. & Falret, J. (1877) La folie à deux (ou folie communiquée). Annales médico-psychologiques, 18, 321. Translated Michand, R. (1964) Supplement to American Journal of Psychiatry, 121, 4.
Postle, B. (1940) Folie à deux. Archives of Neurology & Psychiatry, 43, 372–80.
Ropschitz, D. H. (1957) Folie à deux: a case of folie imposée à quatre and à trois. Journal of Mental Science, 103, 589–96.
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Folie à Quatre

  • A. C. P. Sims (a1), P. H. Salmons (a2) and Philippa Humphreys (a3)

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Folie à Quatre

  • A. C. P. Sims (a1), P. H. Salmons (a2) and Philippa Humphreys (a3)
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