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. Author manuscript; available in PMC: 2013 Dec 25.
Published in final edited form as: Physiol Behav. 2012 Oct 6;108:19–27. doi: 10.1016/j.physbeh.2012.10.001

Figure 2.

Figure 2

Mean sensitivity (top) and bias (bottom) parameter values for lean and obese Zuckers in the CAR/CAR (gray) and SUC/SUC pellet (black) condition in Phase 1. Bottom right shows mean bias values as a function of which schedule with an uneven ratio was experienced first (5:1 or 1:5 ratio). Lean rats are shown in black; obese in gray. Error bars = 1 SEM.