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. 2017 Sep 8;11:451. doi: 10.3389/fnhum.2017.00451

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Copyright © 2017 Zhou, Guo, Ma, Zhang, Liu, Feng, Yang, Wang, Wang and Zhong.

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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The three-way interaction in the late positive potential (LPP; 400–500 ms) component in the anterior brain. (A) Displays the waveforms in the four conditions and (B) shows the average amplitudes in the LPP time-window. The solid lines show the positive emotion and the dashed lines show the negative emotion. self positive (SP), self negative (SN), other positive (OP), other negative (ON) indicate the conditions of self-referential positive emotion, self-referential negative emotion, other-referential positive emotion and other-referential negative emotion, respectively. The error bars are the standard errors in each condition. *p < 0.05.