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. 2016 Sep 26;10:477. doi: 10.3389/fnhum.2016.00477

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Copyright © 2016 Li, Kang, Qu, Zhou, Wang and Hu.

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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Alteration of P300 amplitudes at frontal, central and parietal sites in depression group. (A) Bar graph to show the effect of electrode site on P300 amplitude in the right hemisphere in participant groups. Amplitude was plotted as mean ± standard error. (B) Altered scalp voltage maps of the P300 in the right hemisphere in the depressive patients. Peak latencies of P300 are respectively indicated. The circled electrode sites are F3/4 and P3/4. (C) Grand average difference event-related potentials (ERPs) in healthy and depressive groups. (D) Grand average difference ERPs in different frequency bands in healthy and depressive groups. *indicates significant difference (P < 0.05).