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. Author manuscript; available in PMC: 2014 Apr 27.
Published in final edited form as: Neuroimage. 2012 Oct 27;0:585–593. doi: 10.1016/j.neuroimage.2012.10.043

Figure 2.

Figure 2

Varenicline and nicotine modulated heart rate (HR) similarly in smokers and nonsmokers. Nicotine-induced HR increases observed under placebo pill conditions were attenuated under varenicline conditions in both the smoker (A) and nonsmoker groups (B). * pcorrected < 0.05.