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. 2016 Mar 24;10:32. doi: 10.3389/fnana.2016.00032

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Copyright © 2016 Wu, Wang, Zhang, Zheng, Zhang, Rong, Wu, Wang, Zhou and Jiang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor 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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Definition of the posterior superior parietal lobule (SPL) and the visual search task. (A) The posterior SPL was defined using a connectivity-based parcellation approach. The maximum probability map for the SPL subregions was created and the most posterior subregions (red, label 5) in left and right SPL were selected as the target brain sites of transcranial magnetic stimulation (TMS). The labels 1–5 is the five subregions in left and right SPL. (B) The stimulus displayed during a target-present color task trial. The subjects searched the visual display for targets defined by a conjunction of color and motion. Four square windows were used in the experiment. Each window contained 10 dots (orange or red) that moved at two speeds (fast or slow) during the experiment, and the arrows under each window specify the two speeds at which the dots could move. (C) The time courses of the visual stimuli and repetitive transcranial magnetic stimulation (rTMS) stimuli. The rTMS stimuli were applied for 300 s before behavioral task start and continued until the task finished.