FIGURE 2.

Feedback conditions. The outcome of each trial resulted in one of four feedback conditions, based on the participant’s response and their partner’s response, the latter of which was pre-programmed. Trials during which the participant gave an incorrect response (gray borders) were included as regressors in subject-level processing but not included in group-level analyses. Feedback that both the participant and their partner responded correctly (black border) was used as a baseline for the condition of interest, the “costly error” condition, when the participant responded correctly but their partner did not, resulting in a loss of $5 (red border).