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Updated: Jan 22, 2026

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Delusional Misidentification of the Mirror Image.

David M Roane1, Todd E Feinberg2, Taylor A Liberta3

  • 1Department of Psychiatry, Lenox Hill Hospital, Donald and Barbara Zucker School of Medicine at Hofstra University, 111 E. 77th Street, New York, NY, 10075, USA. droane@northwell.edu.

Current Neurology and Neuroscience Reports
|June 29, 2019
PubMed
Summary

Delusional misidentification syndromes (DMS) involving mirror image recognition are linked to neurological disorders and right hemisphere impairment. This condition impacts the patient's sense of self and understanding of neuropathologies of the self.

Keywords:
Delusional misidentificationMirror signNeuropathology of the self

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Psychology

Background:

  • Delusional misidentification syndromes (DMS) involve false beliefs about identity in psychiatric or neurological disorders.
  • A specific DMS presents as the delusion that one's mirror image is a separate individual.
  • This phenomenon offers insights into neuropathologies of the self (NPS).

Purpose of the Study:

  • To review and characterize the psychiatric, neuropathological, and neuropsychological aspects of DMS for the mirror image.
  • To highlight the subjective experience of affected individuals through case presentations.
  • To explore the impact of mirror DMS on the sense of self.

Main Methods:

  • Review of reported cases of DMS involving mirror image misidentification.
  • Analysis of psychiatric, neuropathological, and neuropsychological data.
  • Inclusion of individual case presentations for subjective experience.

Main Results:

  • Mirror DMS is a persistent delusion associated with neurological illness.
  • The syndrome is linked to right hemisphere impairment.
  • Neuropsychological and neuroimaging abnormalities are frequently observed.

Conclusions:

  • DMS for the mirror image is a neurobehavioral syndrome with neurological, neuropsychological, and psychiatric dimensions.
  • The inability to recognize oneself in the mirror affects the sense of self.
  • Understanding mirror DMS enhances knowledge of NPS.