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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Alcohol Clin Exp Res. 2011 Jun 1;35(11):1938–1947. doi: 10.1111/j.1530-0277.2011.01545.x

Fig. 1.

Fig. 1

Ethanol intake (g/kg) over 24 hours for male C57BL/6J mice given continuous access (CA, gray circles, n = 12) or intermittent access (IA, black circles, n = 15) to alcohol (Panel A). Ethanol concentrations were faded from 3%, 6%, 10% ethanol to be maintained on 20% ethanol for the remainder of the experiment. Mice receiving alcohol intermittently had significantly higher alcohol consumption during 3-week maintenance phase on 20% ethanol. Data are mean intake ± SEM. ** p < 0.01 difference between groups. Ethanol intake (g/kg) over 24 hours for male (M, black circles, n = 12) and female (F, gray triangles, n = 12) C57BL/6J mice with intermittent access to alcohol (Panel B). Ethanol concentrations were faded from 3%, 6%, 10% ethanol to be maintained on 20% ethanol for the remainder of the experiment. Female mice had significantly higher alcohol consumption during 3-week maintenance phase on 20% ethanol. Data are mean intake ± SEM. ** p < 0.01 difference between groups.