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. 2020 Jul 30;14:815. doi: 10.3389/fnins.2020.00815

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Copyright © 2020 Chebat, Schneider and Ptito.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Summary of findings on the neural correlates of navigation in the blind. (A) Volumetric reductions in the head of the hippocampus of CB. (B) Different cellular layers of the hippocampus according to the head, body and tail segmentation. (C) Flat mounts showing recruitment of visual areas for navigation by CB. (D) Three networks involved in obstacle detection and avoidance in CB and sighted participants. For avoidance, both CB and SC rely on the dorsal stream network, whereas for obstacle detection SC recruit medial temporal lobe structures and CBs additionally recruit a motor network (adapted from Chebat et al., 2007b, 2020; Kupers et al., 2010a). *p < 0.05.