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. Author manuscript; available in PMC: 2016 Dec 2.

Published in final edited form as: Cogn Affect Behav Neurosci. 2015 Jun;15(2):475–491. doi: 10.3758/s13415-015-0336-9

a) Loss trials (incorrect prediction of the coin toss) vs. Win trials (correct prediction of the coin toss) and the Loss-minus-Win difference wave ERPs at fronto-central (FCz) and parietal (Pz) electrods. The topographical map depicts the mean amplitude of MFN and reward P300 during each time window based on the grand average waveforms. b) The relationship between the loss-minus-win reward-P3 and one's overall voluntary dishonest tendencies (percentage differences in reported wins between Op and NoOp trials).

a) Loss trials (incorrect prediction of the coin toss) vs. Win trials (correct prediction of the coin toss) and the Loss-minus-Win difference wave ERPs at fronto-central (FCz) and parietal (Pz) electrods. The topographical map depicts the mean amplitude of MFN and reward P300 during each time window based on the grand average waveforms. b) The relationship between the loss-minus-win reward-P3 and one's overall voluntary dishonest tendencies (percentage differences in reported wins between Op and NoOp trials).