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Contradictory Behavioral Biases Result from the Influence of Past Stimuli on Perception

Figure 6

Comparison of model simulations (white) to experimental data (blue).

A–B: Performance in trials in which the reference is first (Ref1) and trials in which the reference is second (Ref2) in Reference-Lower protocol (A) and Reference protocol (B). C–D: Performance in trials in which second tone is higher than the first () and trials in which the first tone is higher than the second () in Reference-Lower protocol (C), and Reference protocol (D). Note that panel C presents the same data as panel A, due to the equivalence of the Ref1 vs Ref2 and vs. divisions of the trials in the Reference-Lower protocol. Error bars represent the SEM across the participants. p-values are for paired t-tests, uncorrected for multiple comparisons.

doi: https://doi.org/10.1371/journal.pcbi.1003948.g006