Fig. 5.
Prophylactic effects of flumazenil but not naloxone on reduced social interaction (SI) behavior in rats repeatedly withdrawn from 4.5% ethanol diet (ED). Rats were exposed to control diet (CD) throughout or 3 cycles of 5 days’ exposure to 4.5% ED. Rats exposed to ED were injected with vehicle (ED-Veh), 20 mg/kg naloxone (ED-NLX), or 5 mg/kg flumazenil (ED-Flu) 4 h into the first and second withdrawals. Social interaction behavior and line crossings were recorded 5 h after the third ethanol exposure was stopped. Bars represent the means ± SEM. Groups with different letters are significantly different from each other (Tukey’s protected t-tests).