Fregoli delusion or Fregoli syndrome (FS) is a rare mental disorder in which a person holds a delusional belief that different people are in fact a single person who changes appearance or is in disguise. The syndrome may be related to a brain lesion and is often of a paranoid nature, with the delusional person believing themselves persecuted by the person they believe is in disguise.
Fregoli delusion or Fregoli syndrome (FS) is a rare mental disorder in which a person holds a delusional belief that different people are in fact a single person who changes appearance or is in disguise. The syndrome may be related to a brain lesion and is often of a paranoid nature, with the delusional person believing themselves persecuted by the person they believe is in disguise.
Source: Wikipedia "Fregoli delusion" · CC BY-SA 4.0
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