Group mean ± S.E. levels (ng/mg/protein) of frontal cortex, nucleus accumbens and striatal DA, DOPAC, HVA and DA turnover (DA TO), NE and 5-HT and 5-HIAA at the completion of behavioral testing for the treatment groups, as indicated from the maternal and lifetime Pb and PS conditions. Group sample sizes as described in Figure 1 and 2, respectively Pb=main effect of Pb; S=main effect of PS; Pb x S=interaction of Pb with PS in the two factor ANOVA.