Acquired prosopagnosia is not due to a general impairment in fine-grained recognition of exemplars of a visually homogeneous category

Busigny, Thomas;Rossion, Bruno
(2010) Behavioural Neurology : an international journal on the relationship between disordered human behavior and underlying biological mechanisms — Vol. 23, n° 4, p. 229-231 (2010)

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  • Busigny, ThomasUCLouvain
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  • Rossion, BrunoUCLouvain
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Abstract
The understanding of the nature of prosopagnosia remains largely unclear and debated. One of the major debates concerns the question of whether prosopagnosia affects only the category of faces or whether it also affects some other categories. In the present study, we tested the hypothesis that acquired prosopagnosiamay be due, or be directly related, to a general difficulty at discriminating visually similar exemplars of a nonface category. We tested this hypothesis with three brain damaged prosopagnosic patients who have no difficulties at basic level object recognition. We show that the view of prosopagnosia as a more general impairment for fine grained discrimination in visually homogeneous object categories does not hold.
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Busigny, T., & Rossion, B. (2010). Acquired prosopagnosia is not due to a general impairment in fine-grained recognition of exemplars of a visually homogeneous category. Behavioural Neurology : an international journal on the relationship between disordered human behavior and underlying biological mechanisms, 23(4), 229-231. https://doi.org/10.3233/BEN-2010-0302 (Original work published 2010)