Figure 2.

Model performance.A: Model comparison. Group-level log Bayes factors δiBIC for each model relative to model ‘Belief’ across all datasets. A difference ≥10 in this measure is strong evidence for the model with the lower score. B: The parameter γ in the model largely captures the probability with which participants made a correct choice. Note that, by design of the task, this explicitly captures the effect of symmetric instructions and perceptual difficulties, rather than the asymmetric effect of rewards.

Huys et al. Biology of Mood & Anxiety Disorders 2013 3:12   doi:10.1186/2045-5380-3-12
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