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. 2013 Nov 15;7:776. doi: 10.3389/fnhum.2013.00776

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Copyright © 2013 Cui, Chen, Wang, Shum and Chan.

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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ERP results in the feedback evaluation stage. (A) Grand average ERP for different valences and magnitudes in feedback. (B) The effects of valence and magnitude on FRN amplitude. (C) The effects of valence and magnitude on P3 amplitude. (D) Grand average ERP of decks A and C. Error bars indicate the standard error.