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. Author manuscript; available in PMC: 2015 Apr 22.
Published in final edited form as: Brain Res. 2014 Mar 2;1559:1–10. doi: 10.1016/j.brainres.2014.02.038

Figure 2.

Figure 2

The effects of 6.3 mg/kg/d chronic nicotine on contextual conditioning. 6.3 mg/kg/d chronic nicotine enhanced contextual conditioning for mice trained at day 1 of chronic administration but enhancement was not seen on subsequent days in separate groups of mice. Error bars represent ± the standard error of the mean. (*) indicates p < 0.05 compared to saline treated mice within the same day (n = 12 saline day 1; n = 14 nicotine day 1; n = 9 saline day 2; n = 11 nicotine day 2; n = 10 saline day 3; n = 12 nicotine day 3).