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Magnitude-sensitive reaction times reveal non-linear time costs in multi-alternative decision-making

Fig 5

Linear time costs lead to weakly magnitude-sensitive simulated reaction times across a range of nonlinear subjective utility functions for equal value option sets.

Simulation parameters were: prior mean and variance , observation noise variance , temporal cost c = 0, waiting time t_w = 1, and simulation timestep dt = 5 × 10⁻³. Lines are the mean reaction time for 10⁴ simulations, 95% confidence intervals are shown as red shading (mostly invisible because smaller than the linewidth). Y-axis made consistent with Fig 6 for comparison. Non-decision time was implicitly zero.

doi: https://doi.org/10.1371/journal.pcbi.1010523.g005