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. 2021 Sep 15;226(9):2951–2966. doi: 10.1007/s00429-021-02377-7

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Subdivisions within the visual pathway from V1. Dorsal vs ventral visual streams and reach-to-grasp vs lateral grasping networks. A The dorsal visual stream is organized into two main routes: in the "reach-to-grasp" network (continuous thick arrows), visual information from V1 involves parietal areas of the superior parietal lobule (SPL) and reaches the dorsal premotor areas (PMd) (Fattori et al. 2017); the "lateral grasping" network (dashed arrows) involves parietal areas of the inferior parietal lobule (IPL) and reaches the ventral premotor areas (PMv) (Borra et al. 2017). In the ventral visual stream (double continuous thin arrows), the visual information from V1 reaches the inferior temporal cortex (ITc). B In the "reach-to-grasp" network, visual information, starting from V1, involves areas V6, V6A, PEc and MIP and reaches the premotor area F2. cs central sulcus, as arcuate sulcus, ips intraparietal sulcus, lf lateral fissure, ps principal sulcus, sts superior temporal sulcus, ls lunate sulcus, pos parieto-occipital sulcus, V1, V6, V6A, PEc, MIP, F2 areas V1, V6, V6A, PEc, MIP, F2, SPL superior parietal lobule, IPL inferior parietal lobule, ITc inferior temporal cortex, PMd dorsal premotor cortex, PMv ventral premotor cortex, A anterior, V ventral