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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Alcohol Clin Exp Res. 2016 Aug 31;40(10):2247–2252. doi: 10.1111/acer.13199

Figure 3. Exendin-4 had no significant effect on operant responding reinforced with a palatable liquid food.

Figure 3

Liquid food reinforcers (25 μl of vanilla flavored Ensure protein drink) per session at baseline, and after pretreatment with saline vehicle, or 1.8 or 3.2 μg/kg Exendin-4. Group sizes: 1.8 μg/kg, N=5; all others, N=8.