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. 2019 Feb 26;10:291. doi: 10.3389/fpsyg.2019.00291

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Copyright © 2019 Tamè, Azañón and Longo.

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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Side integration model. A graphical model of tactile laterality information processing – i.e., Side Integration Model, highlighting the role of areas 1 and 2 in the primary somatosensory cortex in the integration of the lateralized tactile inputs from the two sides of the body. Red lines depict the primarily pathways of information flow coming from the left body side from tactile and proprioceptive afference, whereas green lines depict information coming from the right body side. Gradient line depicts the integration of the inputs from the two sides of the body through the corpus callosum, whereas the dashed lines depict the information flow including the body laterality towards the other areas within the primary somatosensory cortex and beyond. Inputs are depicted as diamond shapes and cortical brain areas as circles.