Figure 2.
Time-course effects of microinjection of aCSF (A), 50 mg% (B) or 150 mg% EtOH (C) into the posterior ventral tegmental area on dopamine release in the nucleus accumbens shell of EtOH or water drinking rats (n=5–8/group). + p < 0.05, significantly greater than baseline; & p < 0.05, significantly greater than levels in the ‘Water’ group. Panel D shows dopamine change ( DA) expressed as area-under-the-curve (AUC) data for each group. * p < 0.05, significantly greater than aCSF and 50 mg% EtOH groups in each drinking history; # p < 0.05, significantly greater than aCSF group in EtOH drinking history; $ p < 0.05, significantly different between water and EtOH drinking histories.