Accounting for Delusional Misidentifications

Accounts of the major DMSs are given using theoretical models of the functional components underlying recognition of familiar people. Thus, Capgras' syndrome is suggested to involve impairment of processes that can support ‘covert’ recognition of familiar faces in prosopagnosia. It therefore fo...

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Bibliographic Details
Published inBritish journal of psychiatry Vol. 157; no. 2; pp. 239 - 248
Main Authors Ellis, Hadyn D., Young, Andrew W.
Format Journal Article
LanguageEnglish
Published Cambridge, UK Cambridge University Press 01.08.1990
RCP
Maney
Subjects
Accounts
Acknowledgment
Adult and adolescent clinical studies
Biological and medical sciences
Brain Damage, Chronic - psychology
Brain injured people
Brain injury
Capgras syndrome
Capgras Syndrome - psychology
Covert
Delusional disorder
Delusions - psychology
Face
Humans
Information processing
Medical sciences
Neurocognitive Disorders - psychology
Pattern Recognition, Visual
Prosopagnosia
Psychiatric Status Rating Scales
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Human
Cognitive theory
Theoretical model
Etiology
Capgras syndrome
Delusion
Prosopagnosia
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Summary:Accounts of the major DMSs are given using theoretical models of the functional components underlying recognition of familiar people. Thus, Capgras' syndrome is suggested to involve impairment of processes that can support ‘covert’ recognition of familiar faces in prosopagnosia. It therefore forms a potential ‘mirror image’ of the impairments underlying prosopagnosia, and earlier attempts to link the two conditions directly are questioned. Frégoli syndrome and intermetamorphosis are explained as defects at different stages of an information-processing chain. Not only are these accounts consistent with the association of different DMSs with different brain injuries, but they also offer both suggestions for new inquiries and predictions about possible preserved and impaired abilities.
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ISSN:0007-1250
1472-1465
DOI:10.1192/bjp.157.2.239