Article Dans Une Revue Neuroscience and Biobehavioral Reviews Année : 2024

The anterior fusiform gyrus: The ghost in the cortical face machine

Résumé

Face-selective regions in the human ventral occipito-temporal cortex (VOTC) have been defined for decades mainly with functional magnetic resonance imaging. This face-selective VOTC network is traditionally divided in a posterior 'core' system thought to subtend face perception, and regions of the anterior temporal lobe as a semantic memory component of an extended general system. In between these two putative systems lies the anterior fusiform gyrus and surrounding sulci, affected by magnetic susceptibility artifacts. Here we suggest that this methodological gap overlaps with and contributes to a conceptual gap between (visual) perception and semantic memory for faces. Filling this gap with intracerebral recordings and direct electrical stimulation reveals robust face-selectivity in the anterior fusiform gyrus and a crucial role of this region, especially in the right hemisphere, in identity recognition for both familiar and unfamiliar faces. Based on these observations, we propose an integrated theoretical framework for human face (identity) recognition according to which faceselective regions in the anterior fusiform gyrus join the dots between posterior and anterior cortical face memories.

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hal-05029747 , version 1 (10-04-2025)

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Bruno Rossion, Corentin Jacques, Jacques Jonas. The anterior fusiform gyrus: The ghost in the cortical face machine. Neuroscience and Biobehavioral Reviews, 2024, 158, pp.105535. ⟨10.1016/j.neubiorev.2024.105535⟩. ⟨hal-05029747⟩
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