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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: Pharmacol Biochem Behav. 2019 Jan 19;179:1–8. doi: 10.1016/j.pbb.2019.01.005

Figure 1.

Figure 1.

Anticipatory head entry rate was greater on nicotine sessions compared to saline sessions. A) Mean(±SEM) head entries/sec prior to the first sucrose presentation (PreUS) for male nicotineCS and pseudoCS rats. NicotineCS trained males showed higher head entry rates on nicotine sessions than saline sessions, more consistently than pseudoCS males. B) Mean(±SEM) head entries/sec PreUS for the female nicotineCS and pseudoCS rats. NicotineCS trained females showed higher head entry rates on nicotine sessions compared to saline sessions. PseudoCS trained females did not differ between nicotine and saline sessions. *p< 0.05, nicotine session higher than saline session in nicotineCS group, +p < 0.05, nicotine session higher than saline session in pseudoCS group.