Schizophrenic patients often complain of intellectual functioning impairment. The aim of this survey was to define the subjective memory loss by means of objective tests. The tests were carried out in three steps: before the admission to the clinic, after 6 weeks of hospitalisation, and after approximately 12 months from the beginning of the olanzapine treatment, 36 patients were examined (9 female, 27 male) aged 20-53 (X = 25.4). The following tests were applied: PANSS, Memory Questionnaire (Squire, Zouzounis 1988), subscales: Digit span and Similarities of the Wechsler Intelligence Scale, subtest for Long-term memory of the Choynowski's Memory Scale, Diagnosis of Brain Damages (Weidlich, Lamberti), Clock Completion Test, Decroly Box. The subjective assessment of memory functioning improved during the treatment with olanzapine. Before the hospitalisation and after 6 weeks of treatment patients' memory complaints were associated with the visuospatial memory. After 12 month of the olanzapine therapy the memory complaints were associated with audioverbal memory. Age, level of education and objective intensity of psychopathological symptoms did not influence patients' subjective assessment of memory functioning.
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