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. 2017 Dec 5;11:580. doi: 10.3389/fnhum.2017.00580

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Copyright © 2017 MacLeod and Donaldson.

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) 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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Grand-average ERP old/new effects from a simple word recognition task (n = 122) at representative Frontal (F), Central (C), and Parietal (P) electrodes, along with a topographic map illustrating the old/new effect distribution from 500 to 800 ms. The vertical scale indicates electrode amplitude (microvolts) and the horizontal scale indicates change in time (milliseconds). The color scale indicates Hit-CR difference size (microvolts). Hit ERPs are more positive going than CRs from ∼300 ms post-stimulus onset (0 ms), reconverging by epoch end, with a maximal difference over left parietal electrodes (P3).