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. Author manuscript; available in PMC: 2013 Jan 18.
Published in final edited form as: Physiol Behav. 2011 Sep 10;105(2):417–427. doi: 10.1016/j.physbeh.2011.08.041

Figure 5.

Figure 5

Mean (± SEM) volume of saccharin (SAC) consumed by rats in the chronic DCS study on the day of asymptotic extinction and on the subsequent spontaneous recovery (SR) test day. Animals that underwent the CSO [both CSO (saline: SAL) and CSO (DCS)] extinction procedure drank significantly more saccharin on the last day of extinction than on the day of the SR test, indicating a spontaneous recovery of the CTA. The EU (SAL) group did not show a significant spontaneous recovery but the EU (DCS) animals did exhibit spontaneous recovery of the CTA. * indicates a significant (p<0.05) difference between saccharin consumption on the day of extinction and the day of the spontaneous recovery test.