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Everything in its right place: a case report of reduplicative paramnesia with therapeutic and theoretical
Huw Green1, Leah Seiler2, Fahim Anwar3
1Department of Neuropsychology, Cambridge University Hospital NHS Foundation Trust, Cambridge, UK.
Abstract:
Introductions: Reduplicative paramnesia (RP) is a rare and poorly understood phenomenon in which a person believes the place they are in has been replicated and exists in two places at once. There is minimal extant theoretical work addressing possible cognitive mechanisms subtending RP.Method: We present a new case of RP and discuss the therapeutic and theoretical implications of this case for the management and understanding of this phenomenon. Using the hypothetico-deductive approach to a neuropsychological case, we examine the phenomenon in the light of one and two-factor approaches to understanding the genesis of delusions.Results: The individual discussed in this case showed some evidence of relatively efficient incorporation of new evidence (belief updating) despite concurrently maintaining a delusional belief system.Conclusion: This case raises novel challenges for the two-factor account of neurological delusions.
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