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. 2017 Dec 6;11:681. doi: 10.3389/fnins.2017.00681

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Copyright © 2017 Zhao, Li, Hu, Wu and Liu.

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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Waveforms and scalp topographies of FRN and P300. (A) Grand average ERP waveforms for gain and loss by risk and sensation seeking at Fz. FRN (calculated as the difference between loss and gain waveforms) for low- and high-risk outcomes is shown with shaded areas depicting the time window. Scalp maps (290–350 ms) show the topography of the FRN component averaged across subjects and time windows. (B) Grand average ERP waveforms for gain and loss by risk and sensation seeking at Pz; the shaded area depicts the P300 time window. Scalp maps (360–420 ms) show the topography of the mean amplitude of the P300 time window.