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Letters   |    
Reduplicative Paramnesia: Not Only One
Carmela Gerace, M.D.; Carlo Blundo, M.D.
The Journal of Neuropsychiatry and Clinical Neurosciences 2013;25:E16-E18. doi:10.1176/appi.neuropsych.12030072
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Dept. of Neurology Azienda ospedaliera S. Camillo-Forlanini C. ne Gianicolense Rome, Italy
Dept. of Neurology Azienda Ospedaliera S. Camillo, Forlanini Rome, Italy

Copyright © 2013 American Psychiatric Association

Extract

To the Editor: Reduplicative paramnesia (RP) is characterized by a subjective certainty that a place has been duplicated;1 it is considered a type of delusional misidentification having a clear parallel with Capgras’ delusion, which involves reduplication of people.2 Reduplicative paramnesia most often occurs in patients with neurodegenerative disorders, stroke, head trauma, or psychiatric disorders.35 We describe four patients with RP and try to explain how RP helps us analyze the underlying causes of this delusional syndrome, related to implicit and explicit memory circuits.

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TABLE 1.Findings in Patients With Reduplicative Paramnesia
Table Footer Note

RAVLT: Rey Auditory Verbal Learning Test; RCPM: Raven’s Colored Progressive Matrices; CD: copying drawing; CDL: copying drawing with lines.

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References

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