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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Appetite. 2014 Sep 28;84:43–53. doi: 10.1016/j.appet.2014.09.015

Fig. 4.

Fig. 4

Mean lever press rates during the extended session. Groups RI-12 s (top panel) and RI-24 s (bottom panel) average response rates in 4-min bins. Group Mix = grain and sucrose pellets unpredictably; Group Suc = sucrose pellets.