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. 2018 Oct 24;19(1):99. doi: 10.1186/s10194-018-0924-5

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© The Author(s). 2018

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.

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Fig. 3 — Polarity dependent effect of tDCS on visual and motor processing. Significant (p_FWE < .05) alterations of BOLD-response after DCS (postcathodal vs. postanodal) for A. motor- (precentral-gyrus), and B visual-processing (calcarine-gyrus). Illustrated as SPM generated glass-brain and T1-overlay; for better visualization both displayed with a threshold of p_unc < .0005. Corresponding contrast estimates in the following order: 1. postcathodal, 2. postanodal and 3. postsham. For coordinates and further details see Table 3