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Jonas J, Rossion B, Krieg J, Koessler L, Colnat-Coulbois S, Vespignani H, Jacques C, Vignal JP, Brissart H, Maillard L. Intracerebral electrical stimulation of a face-selective area in the right inferior occipital cortex impairs individual face discrimination. Neuroimage 2014; 99:487-97. [PMID: 24936686 DOI: 10.1016/j.neuroimage.2014.06.017] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2014] [Revised: 06/05/2014] [Accepted: 06/06/2014] [Indexed: 01/16/2023] Open
Abstract
During intracerebral stimulation of the right inferior occipital cortex, a patient with refractory epilepsy was transiently impaired at discriminating two simultaneously presented photographs of unfamiliar faces. The critical electrode contact was located in the most posterior face-selective brain area of the human brain (right "occipital face area", rOFA) as shown both by low- (ERP) and high-frequency (gamma) electrophysiological responses as well as a face localizer in fMRI. At this electrode contact, periodic visual presentation of 6 different faces by second evoked a larger electrophysiological periodic response at 6 Hz than when the same face identity was repeated at the same rate. This intracerebral EEG repetition suppression effect was markedly reduced when face stimuli were presented upside-down, a manipulation that impairs individual face discrimination. These findings provide original evidence for a causal relationship between the face-selective right inferior occipital cortex and individual face discrimination, independently of long-term memory representations. More generally, they support the functional value of electrophysiological repetition suppression effects, indicating that these effects can be used as an index of a necessary neural representation of the changing stimulus property.
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Affiliation(s)
- Jacques Jonas
- Service de Neurologie, Centre Hospitalier Universitaire de Nancy, 29 Avenue du Maréchal de Lattre de Tassigny, 54000 Nancy, France; Université de Lorraine, CRAN, UMR 7039, Campus Sciences, Boulevard des Aiguillettes, 54500 Vandœuvre-lès-Nancy, France; CNRS, CRAN, UMR 7039, Campus Sciences, Boulevard des Aiguillettes, 54500 Vandœuvre-lès-Nancy, France; Faculté de Médecine de Nancy, Université de Lorraine, 9 Avenue de la Forêt de Haye, 54500 Vandœuvre-lès-Nancy, France; Université Catholique de Louvain, 10 Place du Cardinal Mercier, 1348 Louvain-La-Neuve, Belgium.
| | - Bruno Rossion
- Université Catholique de Louvain, 10 Place du Cardinal Mercier, 1348 Louvain-La-Neuve, Belgium
| | - Julien Krieg
- Université de Lorraine, CRAN, UMR 7039, Campus Sciences, Boulevard des Aiguillettes, 54500 Vandœuvre-lès-Nancy, France; CNRS, CRAN, UMR 7039, Campus Sciences, Boulevard des Aiguillettes, 54500 Vandœuvre-lès-Nancy, France
| | - Laurent Koessler
- Université de Lorraine, CRAN, UMR 7039, Campus Sciences, Boulevard des Aiguillettes, 54500 Vandœuvre-lès-Nancy, France; CNRS, CRAN, UMR 7039, Campus Sciences, Boulevard des Aiguillettes, 54500 Vandœuvre-lès-Nancy, France
| | - Sophie Colnat-Coulbois
- Faculté de Médecine de Nancy, Université de Lorraine, 9 Avenue de la Forêt de Haye, 54500 Vandœuvre-lès-Nancy, France; Service de Neurochirurgie, Centre Hospitalier Universitaire de Nancy, 29 Avenue du Maréchal de Lattre de Tassigny, 54000 Nancy, France
| | - Hervé Vespignani
- Service de Neurologie, Centre Hospitalier Universitaire de Nancy, 29 Avenue du Maréchal de Lattre de Tassigny, 54000 Nancy, France; Université de Lorraine, CRAN, UMR 7039, Campus Sciences, Boulevard des Aiguillettes, 54500 Vandœuvre-lès-Nancy, France; CNRS, CRAN, UMR 7039, Campus Sciences, Boulevard des Aiguillettes, 54500 Vandœuvre-lès-Nancy, France; Faculté de Médecine de Nancy, Université de Lorraine, 9 Avenue de la Forêt de Haye, 54500 Vandœuvre-lès-Nancy, France
| | - Corentin Jacques
- Université Catholique de Louvain, 10 Place du Cardinal Mercier, 1348 Louvain-La-Neuve, Belgium
| | - Jean-Pierre Vignal
- Service de Neurologie, Centre Hospitalier Universitaire de Nancy, 29 Avenue du Maréchal de Lattre de Tassigny, 54000 Nancy, France; Université de Lorraine, CRAN, UMR 7039, Campus Sciences, Boulevard des Aiguillettes, 54500 Vandœuvre-lès-Nancy, France; CNRS, CRAN, UMR 7039, Campus Sciences, Boulevard des Aiguillettes, 54500 Vandœuvre-lès-Nancy, France
| | - Hélène Brissart
- Service de Neurologie, Centre Hospitalier Universitaire de Nancy, 29 Avenue du Maréchal de Lattre de Tassigny, 54000 Nancy, France
| | - Louis Maillard
- Service de Neurologie, Centre Hospitalier Universitaire de Nancy, 29 Avenue du Maréchal de Lattre de Tassigny, 54000 Nancy, France; Université de Lorraine, CRAN, UMR 7039, Campus Sciences, Boulevard des Aiguillettes, 54500 Vandœuvre-lès-Nancy, France; CNRS, CRAN, UMR 7039, Campus Sciences, Boulevard des Aiguillettes, 54500 Vandœuvre-lès-Nancy, France; Faculté de Médecine de Nancy, Université de Lorraine, 9 Avenue de la Forêt de Haye, 54500 Vandœuvre-lès-Nancy, France
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