Capgras' syndrome: A rare delusional disorder where the patient believes that a friend or relative has been replaced by a double or imposter. They may even view themselves as a double. The disorder is often associated with schizophrenia or some sort of brain injury or damage. More detailed information about the symptoms, causes, and treatments of Capgras' syndrome is available below.
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A psychotic disorder characterized by the patient's belief that acquaintances or closely related persons have been replaced by doubles or imposters. - (Source - Diseases Database)
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