The interplay between social dominance and decision-making under expected and unexpected uncertainty: Evidence from event-related potentials.

When separated by condition, there was a comparable valence effect for the EXP-certain condition (p = 0.90); but there was a marginally significant valence effect for the EXP-uncertain (M (positive) = 4.029, M (negative) = 1.604, p = 0.051) and a significant UNEXP-uncertain (M (positive) = 4.911, M (negative) = −0.042, p < 0.001) conditions, with a larger FRN amplitude observed for negative than positive feedback. 3.2.1.2.

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A similar trend was observed in the UNEXP-uncertain positive condition (R2 = 0.06, F (1, 49) = 3.36, p = 0.073), although it did not reach statistical significance ( Fig 8b ).

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