Cognitive performance in schizophrenia patients assessed before and following the first psychotic episode

The purpose of this historical prospective study was to follow the cognitive impairment in schizophrenia from the premorbid period until shortly after the onset of the first psychotic episode within the same subjects.Forty-four first episode schizophrenia patients were enrolled in the study. Their cognitive performance was assessed as part of the Israeli Draft Board aptitude assessments at ages 16-17, when all were found to be in good mental...