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. 2015 Aug 25;6:8096. doi: 10.1038/ncomms9096

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(a,b) The bars represent, for each model, the final optimal decision value estimates (the value of the correct minus the value of the incorrect option). (c,d): the bars represent, for each model, the final option value estimates.. G₇₅ and G₂₅: options associated with 75% and 25% per cent of winning 0.5€, respectively; L₇₅ and L₂₅: options associated with 75 and 25% per cent of losing 0.5€, respectively. EV: absolute expected value (Probability(outcome) * Magnitude(outcome)) in a single trial. The values +37.5¢ and −37.5¢ correspond G₇₅ and the L₇₅ options, respectively. The estimates are generated from individual history of choices and outcomes and subject-specific free parameters. *P<0.05 one sample t-test; ns: not significant (N=28). Error bars represent s.e.m.