Three patients with schizophrenia-like psychosis and two with
schizoaffective-like psychosis who experienced cerebral trauma before the
onset of their illness underwent clinical and magnetic resonance imaging
evaluation. Each patient with a schizophrenia-like psychosis, but neither
of those with a schizoaffective-like psychosis, showed abnormalities
confined to or including the left temporal lobe. These observations
complement recent findings in schizophrenia.