Neuropsychological measures of attention and memory function in schizophrenia: relationships with symptom dimensions and serum monoamine activity.

Background: Some clinical symptoms or cognitive functions have been related to the overall state of monoamine activity in patients with schizophrenia, (e.g. inverse correlation of the dopamine metabolite HVA with delusions or visual-masking performance).

Relations of clinical features, subgroups and medication to serum monoamines in schizophrenia.

Background: Plasma and serum indices of monoaminergic activity reflect partly the illness of schizophrenia (e.g. HVA/deficit syndrome) and sometimes the symptoms (e.