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Psychol Med. 1988 Feb;18(1):113-20.

Lycanthropy: alive and well in the twentieth century.

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Epidemiology Laboratory, McLean Hospital, Belmont, MA 02178.


Lycanthropy, the belief that one has been transformed into an animal (or behaviour suggestive of such a belief), has been described by physicians and clerics since antiquity, but has received scant attention in the modern literature. Some have even thought the syndrome extinct. However, in a review of patients admitted to our centre since 1974, we identified twelve cases of lycanthropy, ranging in duration from one day to 13 years. The syndrome was generally associated with severe psychosis, but not with any specific psychiatric diagnosis or neurological findings, or with any particular outcome. As a rare but colourful presentation of psychosis, lycanthropy appears to have survived into modern times.

[Indexed for MEDLINE]

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