Delusional misidentification

The Capgras syndrome and other forms of delusional misidentification may be encountered frequently in neuropsychiatric settings. DMS can occur in the presence of idiopathic psychiatric illness, in diffuse brain illness such as dementia, and in focal neurologic disease. In patients who have focal les...

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Bibliographic Details
Published inThe Psychiatric clinics of North America Vol. 28; no. 3; p. 665
Main Authors Feinberg, Todd E, Roane, David M
Format Journal Article
LanguageEnglish
Published United States 01.09.2005
Subjects
Brain - physiopathology
Capgras Syndrome - diagnosis
Capgras Syndrome - epidemiology
Capgras Syndrome - physiopathology
Cognition Disorders - epidemiology
Humans
Memory Disorders - epidemiology
Perceptual Disorders - epidemiology
Schizophrenia, Paranoid - diagnosis
Schizophrenia, Paranoid - epidemiology
Schizophrenia, Paranoid - physiopathology
Self Concept
Space Perception
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Summary:The Capgras syndrome and other forms of delusional misidentification may be encountered frequently in neuropsychiatric settings. DMS can occur in the presence of idiopathic psychiatric illness, in diffuse brain illness such as dementia, and in focal neurologic disease. In patients who have focal lesions, there is evidence that right hemisphere damage is necessary for the production of DMS. Although DMS is associated with a pattern of neuropsychologic impairments in the domains of memory, perception, and executive function, these impairments alone do not account for the selectivity and delusional nature of DMS. Therefore, other factors such as premorbid psychopathology, motivation, and loss of ego functions may be important in determining which vulnerable patients develop DMS and which do not.
ISSN:0193-953X
DOI:10.1016/j.psc.2005.05.002