The accumulated tokens count had a significant impact on the fraction of errors of both subjects, showing a decreasing trend in the fraction of errors in choosing the offer with the best EV as the ATC increased (Fig. 3A , Supplementary Table 5 ).
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Accumulation of virtual tokens towards a jackpot reward enhances performance and value encoding in dorsal anterior cingulate cortex.
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The sentences
These effects coincided with a negative trend in errors when more tokens were accumulated, and with a lower propensity for risk-taking whenever the cumulative jackpot approached.