Fig. 4.
(Upper panel) Mean (±SEM) consumption of water (ml; open bars) and 8% (w/v) ethanol (solid bars) in P/NP rats, HAD/LAD1 rats, and HAD2/LAD2 rats across test sessions of the 14-day 2-bottle choice phase. (Lower panel) Mean (±SEM) ethanol preference (ethanol/total fluid) in P/NP rats, HAD/LAD1 rats, and HAD2/LAD2 rats across test sessions of the 14-day 2-bottle choice phase. * P < 0.05 significant difference from water intake