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. Author manuscript; available in PMC: 2014 Jul 15.
Published in final edited form as: Behav Brain Res. 2013 Apr 20;249:15–21. doi: 10.1016/j.bbr.2013.04.016

Figure 2.

Figure 2

Average alcohol preference at each alcohol concentration (2–16% v/v). A) Females showed higher alcohol preference than males across genotype at 8–16% alcohol. B) All male mutant mice showed higher alcohol preference than male WT mice at 2–8% alcohol, but only malePer1 and Per1Per2 mice showed higher preference at 12% alcohol. C) All female mutant mice showed higher alcohol preference than female WT mice at 2–8% alcohol, but only female Per1 mice showed higher preference than other groups at 12% alcohol (Mean ± SEM; * indicates significant differences between groups or from WTs at p<0.05).