Journal
ACTA PSYCHIATRICA SCANDINAVICA
Volume 103, Issue 3, Pages 181-188Publisher
MUNKSGAARD INT PUBL LTD
DOI: 10.1034/j.1600-0447.2001.00114.x
Keywords
working memory; schizophrenia; bipolar disorder; negative symptoms; positive symptoms; thought disorder
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Objective: The aims of this study were to examine working memory in the acute-subacute phase of schizophrenia and mania and to examine correlations between working memory and specific symptom domains. Method: Visuospatial working memory and symptom profiles were assessed in three groups (schizophrenia group, n=19; mania, n=12; controls, n=19) on two occasions separated by 4 weeks. Results: Both patient groups had significant deficits on working memory compared to the well controls and the schizophrenia and mania groups were equally impaired. All groups showed equivalent improvement over time. In the patient groups, impaired working memory was significantly correlated with the presence of both negative symptoms and positive thought disorder. Conclusion: Impaired wet-king memory is found in both schizophrenia and mania during the acute-subacute phases. Further research is required in order to clarify the neurocognitive mechanisms linking impaired working memory with both negative symptoms and positive thought disorder.
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