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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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Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome
08:31

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Implicit attitudes in prosopagnosia.

Kristine M Knutson1, Karen A DeTucci, Jordan Grafman

  • 1Cognitive Neuroscience Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, United States. knutsonk@ninds.nih.gov

Neuropsychologia
|March 19, 2011
PubMed
Summary
This summary is machine-generated.

This study found that individuals with acquired prosopagnosia can still exhibit implicit social biases, even without overt facial recognition. These biases are detectable through facial stimuli, bypassing typical recognition pathways.

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Area of Science:

  • Cognitive Neuroscience
  • Social Psychology

Background:

  • Acquired prosopagnosia is a neurological condition characterized by the inability to recognize familiar faces.
  • Implicit social biases are unconscious attitudes that can influence judgment and behavior.

Observation:

  • A patient with acquired prosopagnosia (G.B.) underwent Implicit Association Tests (IATs) and explicit face categorization tasks.
  • Faces varied by social category including race, gender, and political affiliation.

Findings:

  • G.B. showed slower categorization of Black compared to White faces.
  • Congruency effects were observed in race and celebrity IATs, indicating implicit bias.
  • No significant effects were found in gender or political IATs.

Implications:

  • Implicit social biases can be activated by facial stimuli in individuals with prosopagnosia.
  • These biases may be processed through neural pathways distinct from those involved in overt facial recognition.
  • The findings suggest that the IAT effect is a covert recognition phenomenon observable in prosopagnosia.