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Related Concept Videos

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Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
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Facial affect recognition in CADASIL patients.

Raffaella Valenti1, Emilia Salvadori, Francesca Pescini

  • 1Department of Neurological and Psychiatric Sciences, University of Florence, Florence, Italy.

Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists
|November 7, 2012
PubMed
Summary

Cerebral Autosomal-Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) patients show impaired facial expression recognition, especially for fear. This deficit may indicate an early sign of the disease, independent of depression or cognitive decline.

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Area of Science:

  • Neurology
  • Psychiatry
  • Genetics

Background:

  • Cerebral Autosomal-Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) is a genetic condition affecting small blood vessels in the brain.
  • Facial emotion recognition is crucial for social interaction and can be affected in various neurological disorders.

Purpose of the Study:

  • To investigate the facial affect recognition abilities in patients with CADASIL.
  • To determine if impairments in emotion recognition are linked to depression or cognitive status in CADASIL patients.

Main Methods:

  • A cohort of 23 CADASIL patients and 23 matched controls underwent psychiatric interviews, cognitive testing, and the Ekman and Friesen facial expression recognition test.
  • Depression diagnosis was based on DSM-IV criteria, and cognitive function was assessed using the Mini-Mental State Examination (MMSE).

Main Results:

  • CADASIL patients demonstrated significantly poorer emotion recognition compared to controls, particularly for the emotion of fear.
  • A high prevalence of major depression was observed in both CADASIL patients (78.3%) and controls (43.5%).
  • The observed impairment in facial affect recognition in CADASIL patients was not explained by the presence of depression, general cognitive impairment, or MMSE scores.

Conclusions:

  • Facial affect recognition is reduced in individuals with CADASIL.
  • This deficit in recognizing facial expressions may serve as an early indicator of CADASIL, preceding other more recognized symptoms.