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. Author manuscript; available in PMC: 2015 Jan 22.
Published in final edited form as: Neuron. 2014 Jan 22;81(2):267–279. doi: 10.1016/j.neuron.2013.11.005

Figure 4.

Figure 4

Devaluation. (A) Animals are first trained to associate a light with food. Then the food is devalued by pairing it with an indigestion inducing poison, LiCl. In a control condition, the food and LiCl are unpaired during devaluation. Finally, the extent of devaluation is indexed by measuring responding to the light. (B) Experimental results from Pickens et al (2003) showing relative responding to the food cup when the light is turned on for sham and OFC-lesioned animals in the paired and unpaired condition. (C) State representation of the devaluation task. (D) Model results showing the relative value of the light for the sham and OFC-lesioned models.

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