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. 2017 Jul 28;8:40. doi: 10.1186/s13229-017-0152-x

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — a Simulation of 1.0 mA current flow with an F3 anodal-F4 cathodal montage from Soterix TDCS Explore. Maximum field intensity is 0.25 V/m. Current is disbursed throughout the frontal cortex. b Simulation of 1.0 mA current flow with an F3 anodal-F4 cathodal montage from http://neuralengr.com/bonsai/. Maximum field intensity is 0.306 V/m. Current flows throughout frontal cortex and penetrates to subcortical areas