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. 2022 Jul 22;9:935001. doi: 10.3389/fnut.2022.935001

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Copyright © 2022 Boyle, Dye, Lawton and Billington.

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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Central figure: T-statistic maps of spectral theta activity difference between COMBINED and PLACEBO treatments 0.5–0.75 s after presentation of the images, distinguished by left and right emotionally threatening image presentation. Positive values in maps indicate COMBINED > PLACEBO. ROI electrodes symbols shown on maps and in respective summary bar chart. (A,B) Theta band activity in a priori defined ROI midline frontal region for left and right presented images. (C,D) RIGHT parietal a priori defined ROI theta activity when emotionally threatening image shown on left and right. (E,F) LEFT parietal a priori defined ROI theta activity when emotionally threatening image shown on left and right.