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Extinction. (A) Experimental results. Lever-press rates were normalized to the maximum response rate in conditioning. (B) Model results. (C) State representation used to model the control group in which the state depends on the last outcome. (D) State representation used to model the OFC lesion group, with only a single state. (E) Model predictions for extinction (ext) and spontaneous recovery (re). (F) Model predictions for reacquisition. Init: initial learning; reacq: reacquisition.
