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Updated: May 8, 2026

Symmetric Bihemispheric Postmortem Brain Cutting to Study Healthy and Pathological Brain Conditions in Humans
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Published on: December 18, 2016

[The Capgras syndrome].

M A Anikina, O S Levin

    Zhurnal Nevrologii I Psikhiatrii Imeni S.S. Korsakova
    |September 3, 2013
    PubMed
    Summary
    This summary is machine-generated.

    Capgras syndrome is a rare delusional disorder where individuals believe loved ones are impostors. This misidentification syndrome, initially linked to schizophrenia, is now also seen in dementia patients.

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    Area of Science:

    • Neurology
    • Psychiatry
    • Psychology

    Context:

    • Capgras syndrome is a specific delusional misidentification syndrome.
    • It involves the delusion that familiar individuals have been replaced by exact duplicates.
    • This condition is resistant to contradictory evidence.

    Purpose:

    • To define Capgras syndrome.
    • To trace its historical diagnostic associations.
    • To highlight its occurrence in organic brain disorders.

    Summary:

    • Capgras syndrome is characterized by the unshakeable belief that close relations or friends are impostors.
    • Historically associated with schizophrenia, it is now recognized in organic brain conditions.
    • It is particularly noted in elderly individuals with dementia.

    Impact:

    • Enhances understanding of delusional disorders.
    • Broadens the differential diagnosis for misidentification syndromes.
    • Informs clinical recognition, especially in geriatric populations with cognitive decline.