Face Recognition Dysfunction and Delusional Misidentification Syndromes (DMS)

Tzavaras, A.; Luauté, Jean-Pierre; Bidault, Estelle

doi:10.1007/978-94-009-4420-6_33

Cited by 12 publications

(8 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Our young patient dis played no such impairment, which suggests that face-processing abilities can be preserved in some DMS. Factors such as aging, or length of previous illness and treatments, might be involved in the defective cognitive processing of face-recognition noted above [22,29]. Another characteristic of our patient was the interchangeability and instability of the DMS.…”

mentioning

confidence: 78%

“…Young et al [22] reported two cases, aged 60 and 66, who showed face-processing impairments, one with delirium secondary to pulmonary embolism, the other with a mild vascular dementing illness. In a series of 10 DMS patients [29], ranging in age from 30 to 73 years, poor face-processing was reported, but the large standard deviations in the testing performances denoted an overlap between pa tients and controls, i.e. some patients per formed normally.…”

mentioning

confidence: 99%

See 1 more Smart Citation

Delusional Misidentification: A Clinical, Neuropsychological and Brain Imaging Case Study

Paillère-Martinot

Dao-Castellana²,

Masure³

et al. 1994

Psychopathology

View full text Add to dashboard Cite

The case of a young woman with a disorder involving Capgras syndrome, FrÉgoli syndrome, intermetamorphosis, and the subjective-doubles syndrome is reported. Neuropsychological assessment showed a low efficiency in the complex visuospatial organization tasks and in non-verbal memory. MRI found a left lenticular hypodensity, and two PET scans performed in the symptomatic and recovered states showed significant changes and asymmetries in cerebral glucose metabolism in the frontal, parietal, and subcortical regions. These findings are discussed with respect to recent models of delusional mis-identification syndromes.

show abstract

mentioning

confidence: 78%

mentioning

confidence: 99%

Delusional Misidentification: A Clinical, Neuropsychological and Brain Imaging Case Study

Paillère-Martinot

Dao-Castellana²,

Masure³

et al. 1994

Psychopathology

View full text Add to dashboard Cite

show abstract

“…From an etiological standpoint, Bidault et al (1986), Cutting (1991), Tzavaras et al (1986), and Shraberg and Weitzel (1979) suggested that Capgras delusion could stem from a deficit in face perception (Cutting, 1991). In response to this, Ellis and Young (1990) and called attention to the fact that face processing impairments have been found in Capgras patients.…”

Section: Prosopagnosia and Capgras Delusionmentioning

confidence: 99%

Can we learn from the clinically significant face processing deficits, prosopagnosia and capgras delusion?

Wacholtz¹

1996

Neuropsychol Rev

View full text Add to dashboard Cite

This review describes two clinically significant face processing deficits, prosopagnosia and Capgras delusion, and provides new knowledge about the face recognition process by a convergence of empirical findings. These empirical findings are structured around two questions that are reviewed from the perspectives of the two deficits. First is the question of hemispheric specificity, which inquires into the degree of each hemisphere's contribution to the face recognition process. Second is the question of dual neural pathways, which addresses the possibility that the face recognition process proceeds along two parallel pathways in the brain. Findings from the hemispheric specificity studies reinforce the current view that right hemispheric involvement is necessary for face recognition while left hemispheric involvement is minimal. Findings from the dual neural pathways studies reinforce the plausible but yet unproven hypothesis that two neural pathways pass information from the visual association cortex in the occipital lobe toward the temporal lobes and limbic system when faces are seen and recognized. These findings, which also indicate that each of the dual neural pathways carries different, nonredundant information, could be instrumental in showing that the pathways play different roles in the manifestations of the clinically significant face processing deficits, prosopagnosia and Capgras delusion.

show abstract

“…One suggestion has been that the Capgras delusion is related to the neurological condition of prosopagnosia-an inability to recognize familiar faces after brain injury (Shraberg and Weitzel, 1979). The presence of right occipitotemporal lesions in Capgras cases is reminiscent of the brain lesions that cause prosopagnosia, and the possibility of a link between prosopagnosia and the Capgras delusion is strengthened by observations that Capgras patients perform poorly on face processing tests (Morrison and Tarter, 1984;Shraberg and Weitzel, 1979;Tzavaras, Luauté and Bidault, 1986;Wilcox and Waziri, 1983;Young et al, 1993). However, we have found it necessary to treat this possible link carefully (Ellis and Young, 1990;Lewis, 1987), as the pattern of face processing impairment found in Capgras delusion does not form a close parallel to what is found in cases of prosopagnosia.…”

Section: Towards An Explanationmentioning

confidence: 99%

Wondrous Strange: The Neuropsychology of Abnormal Beliefs

Young

2000

Mind & Language

View full text Add to dashboard Cite

Detailed studies of people who have experienced the Capgras delusion (the delusion that certain other people, usually close relatives, have been replaced by impostors) have led to advances in constructing an account which can deal with the basic symptomatology, testing alternative possibilities, generating and testing non-trivial predictions, and broadening the scope of the basic account to encompass other delusions. This paper outlines these developments. It uses them to explore implications for understanding the formation and maintenance of beliefs, and to discuss basic principles of what has come to be known as cognitive neuropsychiatry.

show abstract

Face Recognition Dysfunction and Delusional Misidentification Syndromes (DMS)

Cited by 12 publications

References 0 publications

Delusional Misidentification: A Clinical, Neuropsychological and Brain Imaging Case Study

Delusional Misidentification: A Clinical, Neuropsychological and Brain Imaging Case Study

Can we learn from the clinically significant face processing deficits, prosopagnosia and capgras delusion?

Wondrous Strange: The Neuropsychology of Abnormal Beliefs

Contact Info

Product

Resources

About