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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. 8.

Fig. 8

Data from the first 2 h of the session. The left panel shows the mean number of infusions at each unit dose. The middle panel shows the compensation index (CI) at each unit dose. The right panel shows exponential demand curves for consumption in the first 2 h of the session. See Figs. 3, 5, and 7, respectively, for further details.