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Patients with schizophrenia have in different studies shown reduced niacin sensitivity and lower electrodermal activity (EDA) after auditory stimulation. Peripheral mediation of prostaglandins may have a physiological role in both responses. This motivates study of both niacin response and electrodermal responding in the same patients with schizophrenia. Thirty patients with schizophrenia and 17 controls...
In a series of studies tyrosine transport was investigated in patients with schizophrenia. Plasma amino acids competing with tyrosine for transport with the L-system were found to be elevated, and correlated negatively with homovanillic acid levels in the cerebrospinal fluid of the patients. The results were interpreted as a decrease in the transport of tyrosine to the brain leading to a reduced dopamine...
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