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A Mechanism for Value-Sensitive Decision-Making

Figure 6

Speed-accuracy trade-off when differences between alternatives are sufficiently large that a single attractor for the best alternative exists; the observed speed-accuracy trade-off is qualitatively similar to that realised by the statistically-optimal drift-diffusion model of decision-making (see Text S1).

When two attractors for alternatives of different values exist, however, the presence of the unstable saddle-node can improve error rate without compromising reaction time (see Text S1 and Figure S5).

Figure 6