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. 2019 Jul 2;13:142. doi: 10.3389/fnbeh.2019.00142

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Copyright © 2019 Bottemanne and Dreher.

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) and the copyright owner(s) 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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(A–C) Main effect of difficulty. Easy trials are green and on the left, Difficult trials are red and on the right. (A) Sensitivity (d’) is worse, (B) reaction times (RTs) are longer, and (C) drift rate (v) is lower during Difficult trials than during Easy trials. (D–F) Main effects of beneficiary. Self-affecting trials are cyan and on the left; other-affecting trials are orange and on the right. (D) Sensitivity did not differ but there was (E) a faster RT and (F) a higher drift rate (v) for Self than for Others. Log RT, d’, and log v are expressed in arbitrary units (a.u.). Bars represent the standard errors of the mean (SEM).