Everything in its right place: a case report of reduplicative paramnesia with therapeutic and theoretical considerations

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 p...

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Published inCognitive neuropsychiatry Vol. 29; no. 1; pp. 41 - 54
Main Authors Green, Huw, Seiler, Leah, Anwar, Fahim
Format Journal Article
LanguageEnglish
Published England Routledge 02.01.2024
Taylor & Francis Ltd
Subjects
delusions
Reduplicative paramnesia
two factor theory
delusions
two factor theory
Reduplicative paramnesia
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Summary: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.
Bibliography:ObjectType-Case Study-2
SourceType-Scholarly Journals-1
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ObjectType-Report-1
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ISSN:1354-6805
1464-0619
DOI:10.1080/13546805.2024.2313463