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Focal electrical intracerebral stimulation of a face-sensitive area causes transient prosopagnosia

Jonas, J.;Descoins, M.;Koessler, L.;Colnat-Coulbois, S.;Maillard, L.;et.al.
(2012) Neuroscience — Vol. 222, p. 281-288 (2012)

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Authors
  • Jonas, J.Service de neurologie, Centre hospitalier universitaire de Nancy, France
    Author
  • Descoins, M.INSERM U751, Epilepsie et cognition, Marseille, France
    Author
  • Koessler, L.Centre de recherche en automatique de Nancy, Université de Lorraine, France
    Author
  • Colnat-Coulbois, S.Service de neurochirurgie, Centre hospitalier universitaire de Nancy, France
    Author
  • Rossion, BrunoUCLouvain
    Author
  • Maillard, L.Service de neurologie, Centre hospitalier universitaire de Nancy, France
    Author
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Abstract
Abstract—Face perception is subtended by a large set of areas in the human ventral occipito-temporal cortex. However, the role of these areas and their importance for face recognition remain largely unclear. Here we report a case of transient selective impairment in face recognition (prosopagnosia) induced by focal electrical intracerebral stimulation of the right inferior occipital gyrus. This area presents with typical face-sensitivity as evidenced by functional neuroimaging right occipital face area (OFA). A face-sensitive intracerebral N170 was also recorded in this area, supporting its contribution as a source of the well-known N170 component typically recorded on the scalp. Altogether, these observations indicate that face recognition can be selectivelyselectively impaired by local disruption of a single face-sensitive area of the network subtending this function, the right OFA.
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Jonas, J., Descoins, M., Koessler, L., Colnat-Coulbois, S., Sauvée, M., Guye, M., Vignal, J.-P., Vespignani, H., Rossion, B., & Maillard, L. (2012). Focal electrical intracerebral stimulation of a face-sensitive area causes transient prosopagnosia. Neuroscience, 222, 281-288. https://doi.org/10.1016/j.neuroscience.2012.07.021 (Original work published 2012)