A lateral-to-mesial organization of human ventral visual cortex at birth

Brain Structure & Function
P BarttfeldGhislaine Dehaene-Lambertz

Abstract

In human adults, ventral extra-striate visual cortex contains a mosaic of functionally specialized areas, some responding preferentially to natural visual categories such as faces (fusiform face area) or places (parahippocampal place area) and others to cultural inventions such as written words and numbers (visual word form and number form areas). It has been hypothesized that this mosaic arises from innate biases in cortico-cortical connectivity. We tested this hypothesis by examining functional resting-state correlation at birth using fMRI data from full-term human newborns. The results revealed that ventral visual regions are functionally connected with their contra-lateral homologous regions and also exhibit distinct patterns of long-distance functional correlation with anterior associative regions. A mesial-to-lateral organization was observed, with the signal of the more lateral regions, including the sites of visual word and number form areas, exhibiting higher correlations with voxels of the prefrontal, inferior parietal and temporal cortices, including language areas. Finally, we observed hemispheric asymmetries in the functional correlation of key areas of the language network that may influence later adult hemispheri...Continue Reading

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Citations

Feb 5, 2019·Journal of Neuroimaging : Official Journal of the American Society of Neuroimaging·Lauren E SalminenPaul M Thompson
Oct 24, 2020·Scientific Reports·Jin LiZeynep M Saygin
Mar 20, 2021·Brain Structure & Function·Patrizia Bisiacchi, Elisa Cainelli

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ART
Matlab function atanh
SPM8
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