Fig. 6.
The effect of chronic social stress on (a) 5-HT levels (pmol/15 μl) and (b) percentage change of 5-HT after cocaine challenge in the NAc (n=7 per group, 10 mg/kg, I.P.) (mean±SEM). SAL saline, COC cocaine. *P<0.001, relative to the average of five baseline samples prior to the saline injections for each group
