The dopamine metabolite, 3,4-dihydroxyphenylacetic acid (DOPAC), was f
ound to be decreasead in the anterior cingulate cortex of individuals
with schizophrenia compared with normal controls, The finding does nor
appear to be solely related to the presence of antipsychotic medicati
ons, age, postmortem interval, or freezer time. No changes in norepine
phrine and its metabolites were found.