Fig. 7.

Group mean ± S.E. percent change relative to filtered air control of striatal neurotransmitter levels at PND14 in males and females exposed to Fe only or Fe + SO₂. * = significantly different from filtered air control; ~  = marginally different from filtered air control; n = 8/group. DA = dopamine; DOPAC = 3,4-dihydroxyphenylacetic acid; HVA = homovanillic acid, Tyr = tyrosine; NE = norepinephrine, Gln = glutamine; Glu = glutamate; GABA = gabba-aminobutyric acid; 5HT = serotonin; 5-HIAA = 5 hydroxyindoleacetic acid; 5-HTP = 5-hydroxytryptophan; Kyn = kynurenine; n = 9–10/group