Misidentification Syndromes

Misidentification Syndromes

These are defined as delusional conditions in which patients incorrectly identify and reduplicate people, places, objects, or events. Examples include:

Capgras syndrome; may be related to reduplicative parAmnesia

  • Fregoli syndrome
  • Intermetamorphosis
  • Phantom boarder sign
  • Mirror sign



Feinberg TE, Roane DM. Misidentification syndromes. In: Feinberg TE, Farah MJ (eds.). Behavioral neurology and neuropsychology. New York: McGraw-Hill, 1997: 391-397
Forstl H, Almeida OP, Owen AM, Burns A, Howard R. Psychiatric, neurological and medical aspects of misidentification syndromes: a review of 260 patients. Psychological Medicine 1991; 21: 905-910


Cross References

Delusion; Intermetamorphosis; "Mirror sign"; Reduplicative paramnesia