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. 2011 Apr 17;211(3):405–413. doi: 10.1007/s00221-011-2677-0

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© The Author(s) 2011

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Fig. 1 — Cannon shooting task and payoff matrix. Examples of a correct (a) and an incorrect action (b) are shown. fMRI was time-locked to the presentation of the feedback, always containing the crucial information about the correctness of the performed action. (c) Payoff matrix for the two conditions. Committing an error was always associated with a monetary loss (10 cents) for the participant. In the duo condition, errors additionally bore consequences for the other player, either monetary loss (cooperative setting) or gain (competitive setting; each 10 cents)