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. 2012 Mar 13;218(4):609–618. doi: 10.1007/s00221-012-3054-3

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© The Author(s) 2012

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Fig. 5 — Comparison of the devaluation functions. Plotting the value of the devaluation functions with the best fit parameters against the normalized cumulative reward for monkey LP (a) and monkey GM (b). F _OSM, devaluation function for their own osmolality; F _S, devaluation function of the satiation level (sigmoid function)