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Dissociated face- and word-selective intracerebral responses in the human ventral occipito-temporal cortex
In: ISSN: 1863-2653 ; EISSN: 1863-2661 ; Brain Structure and Function ; https://hal.archives-ouvertes.fr/hal-03437752 ; Brain Structure and Function, Springer Verlag, 2021, 226 (9), pp.3031-3049. ⟨10.1007/s00429-021-02350-4⟩ (2021)
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Dissociated face- and word-selective intracerebral responses in the human ventral occipito-temporal cortex
In: Brain Struct Funct (2021)
Abstract: The extent to which faces and written words share neural circuitry in the human brain is actively debated. Here, we compare face-selective and word-selective responses in a large group of patients (N = 37) implanted with intracerebral electrodes in the ventral occipito-temporal cortex (VOTC). Both face-selective (i.e., significantly different responses to faces vs. non-face visual objects) and word-selective (i.e., significantly different responses to words vs. pseudofonts) neural activity is isolated with frequency-tagging. Critically, this sensitive approach allows to objectively quantify category-selective neural responses and disentangle them from general visual responses. About 70% of significant electrode contacts show either face-selectivity or word-selectivity only, with the expected right and left hemispheric dominance, respectively. Spatial dissociations are also found within core regions of face and word processing, with a medio-lateral dissociation in the fusiform gyrus (FG) and surrounding sulci, respectively. In the 30% of overlapping face- and word-selective contacts across the VOTC or in the FG and surrounding sulci, between-category-selective amplitudes (faces vs. words) show no-to-weak correlations, despite strong correlations in both the within-category-selective amplitudes (face–face, word–word) and the general visual responses to words and faces. Overall, these observations support the view that category-selective circuitry for faces and written words is largely dissociated in the human adult VOTC. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s00429-021-02350-4.
Keyword: Original Article
URL: https://doi.org/10.1007/s00429-021-02350-4
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8541991/
http://www.ncbi.nlm.nih.gov/pubmed/34370091
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3
Data from: Selective visual representation of letters and words in the left ventral occipito-temporal cortex with intracerebral recordings ...
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4
Lochy_et_al_PNAS_2018_P013-P024 ...
Lochy, Aliette; Jacques, Corentin; Maillard, Louis. - : Dryad Digital Repository, 2018
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5
Lochy_et_al_PNAS_2018_P025-P037 ...
Lochy, Aliette; Jacques, Corentin; Maillard, Louis. - : Dryad Digital Repository, 2018
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6
Lochy_et_al_PNAS_2018_P001-P012 ...
Lochy, Aliette; Jacques, Corentin; Maillard, Louis. - : Dryad Digital Repository, 2018
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7
Selective visual representation of letters and words in the left ventral occipito-temporal cortex with intracerebral recordings
Lochy, Aliette; Jacques, Corentin; Maillard, Louis. - : National Academy of Sciences, 2018
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8
The face-processing network Is resilient to focal resection of human visual cortex
In: ISSN: 2162-2000 ; World Journal of Neuroscience ; https://hal.archives-ouvertes.fr/hal-01418475 ; World Journal of Neuroscience, Scientific Research Publishing, 2016, 36 (32), pp.8425-8440. ⟨10.1523/JNEUROSCI.4509-15.2016⟩ (2016)
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9
The Face-Processing Network Is Resilient to Focal Resection of Human Visual Cortex
Weiner, Kevin S.; Jonas, Jacques; Gomez, Jesse. - : Society for Neuroscience, 2016
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10
Beyond the core face-processing network: Intracerebral stimulation of a face-selective area in the right anterior fusiform gyrus elicits transient prosopagnosia
In: ISSN: 0010-9452 ; Cortex ; https://hal.archives-ouvertes.fr/hal-01245060 ; Cortex, Elsevier, 2015, 72, pp.140-155. ⟨10.1016/j.cortex.2015.05.026⟩ (2015)
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11
Electrophysiological correlates of the composite face illusion: Disentangling perceptual and decisional components of holistic face processing in the human brain
In: Brain and cognition. - San Diego, Calif. [u.a.] : Elsevier Science 74 (2010) 3, 225-238
OLC Linguistik
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12
The speed of orthographic processing during lexical decision: electrophysiological evidence for independent coding of letter identity and letter position in visual word recognition
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 20 (2008) 7, 1283-1299
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