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Reza Rajimehr; Spatial organization of face and scene areas in human and macaque visual cortex. Journal of Vision 2012;12(9):1380. doi: https://doi.org/10.1167/12.9.1380.
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© ARVO (1962-2015); The Authors (2016-present)
The primate visual cortex has a specialized architecture for processing specific object categories such as faces and scenes. For instance, inferior temporal cortex in macaque contains a network of discrete patches for processing face images. Direct comparison between human and macaque category-selective areas shows that some areas in one species have missing homologues in the other species. Using fMRI, we identified a face-selective region in anterior temporal cortex in human and a scene-selective region in posterior temporal cortex in macaque, which correspond to homologous areas in the other species. A surface-based analysis of cortical maps showed a high degree of similarity in the spatial arrangement of face and scene areas between human and macaque. This suggests that neighborhood relations between functionally-defined cortical areas are evolutionarily conserved - though the topographic relation between the areas and their underlying anatomy (gyral/sulcal pattern) may vary from one species to another.
Meeting abstract presented at VSS 2012
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