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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Pharmacol Biochem Behav. 2013 Nov 4;0:70–81. doi: 10.1016/j.pbb.2013.10.020

Fig. 2.

Fig. 2

Mean (±SEM) number of infusions during saline extinction expressed as absolute values (left panel) and a percentage of the mean number of infusions earned during baseline (right panel). Each point is the mean of seven rats. Points above “B” represent the mean number of infusions during the last three sessions prior to extinction. Points above “F” represent values during the final extinction session at which extinction criteria were met.