Misidentification delusions

Michael H. Connors, Robyn Langdon, Max Coltheart

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

Abstract

Misidentification delusions involve an incorrect belief about the identity of other people, oneself, animals, objects, or places. Examples include Capgras delusion (the belief that a person or animal has been replaced by a visually similar impostor), the delusion of inanimate doubles (the belief that objects have been replaced by replicas), and reduplicative paramnesia (the belief that a person or place has been duplicated). Although encompassing a wide range of different beliefs, misidentification delusions share two common elements: 1) a misidentified entity, and 2) an incorrect belief about the identity of that entity. Misidentification delusions can occur in many different clinical conditions. These include, for example, schizophrenia, dementia, affective disorders, stroke, and traumatic brain injury. This chapter reviews different types of misidentification delusions, examining the etiology and prevalence of misidentification delusions and offering a theoretical explanation based on Langdon and Coltheart's two-factor theory of delusions.

LanguageEnglish
Title of host publicationTroublesome Disguises
Subtitle of host publicationManaging Challenging Disorders in Psychiatry
EditorsDinesh Bhugra, Gin S. Malhi
Place of PublicationWest Sussex, UK
PublisherWiley-Blackwell, Wiley
Pages169-185
Number of pages17
Edition2nd
ISBN (Electronic)9781118799574
ISBN (Print)9781119993148
DOIs
Publication statusPublished - 20 Jan 2015

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Delusions
Mood Disorders
Dementia
Schizophrenia
Stroke

Cite this

Connors, M. H., Langdon, R., & Coltheart, M. (2015). Misidentification delusions. In D. Bhugra, & G. S. Malhi (Eds.), Troublesome Disguises: Managing Challenging Disorders in Psychiatry (2nd ed., pp. 169-185). West Sussex, UK: Wiley-Blackwell, Wiley. https://doi.org/10.1002/9781118799574.ch13
Connors, Michael H. ; Langdon, Robyn ; Coltheart, Max. / Misidentification delusions. Troublesome Disguises: Managing Challenging Disorders in Psychiatry. editor / Dinesh Bhugra ; Gin S. Malhi. 2nd. ed. West Sussex, UK : Wiley-Blackwell, Wiley, 2015. pp. 169-185
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Connors, MH, Langdon, R & Coltheart, M 2015, Misidentification delusions. in D Bhugra & GS Malhi (eds), Troublesome Disguises: Managing Challenging Disorders in Psychiatry. 2nd edn, Wiley-Blackwell, Wiley, West Sussex, UK, pp. 169-185. https://doi.org/10.1002/9781118799574.ch13

Misidentification delusions. / Connors, Michael H.; Langdon, Robyn; Coltheart, Max.

Troublesome Disguises: Managing Challenging Disorders in Psychiatry. ed. / Dinesh Bhugra; Gin S. Malhi. 2nd. ed. West Sussex, UK : Wiley-Blackwell, Wiley, 2015. p. 169-185.

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

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Connors MH, Langdon R, Coltheart M. Misidentification delusions. In Bhugra D, Malhi GS, editors, Troublesome Disguises: Managing Challenging Disorders in Psychiatry. 2nd ed. West Sussex, UK: Wiley-Blackwell, Wiley. 2015. p. 169-185 https://doi.org/10.1002/9781118799574.ch13