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. 2019 Jan 10;12:1028. doi: 10.3389/fnins.2018.01028

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Copyright © 2019 Tavakoli, Dale, Boafo and Campbell.

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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Effects of different high-pass filters on the P3a. ERP waveforms represent pilot data deviant-standard difference wave (environmental sound deviant) for 10 subjects in the waking state. As can be observed, there were minimal effects on the amplitude of the P3a with the use of various high-pass filters.