The authors found higher serotonin concentrations in the blood of unmedicated chronic schizophrenic patients than in the blood of medicated schizophrenic patients or normal control subjects. This finding is consistent with the previous observation that the level of monoamine oxidase activity is low in the platelets of chronic schizophrenics.
No takes yet. Share an insight, caveat, or question.
Garelis et al. (1975) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: