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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: Biol Psychiatry. 2012 Aug 11;73(9):915–923. doi: 10.1016/j.biopsych.2012.07.002

Figure 3.

Figure 3

VHPC ghrelin increased breakpoint operant responding for sucrose in a progressive ratio reinforcement test. No ghrelin treatment-based differences in lever pressing were observed for the inactive lever. Data are mean ± SEM, * = p < 0.05 vs. vehicle, Ŧ = p < 0.07 vs. vehicle.