期刊
NEUROPSYCHOLOGY
卷 18, 期 2, 页码 378-383出版社
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/0894-4105.18.2.378
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The role of semantic organization in verbal memory efficiency in schizophrenia was investigated. Patients and healthy controls were administered a free-recall task involving 1 nonsemantic ally organizable list, 1 list organizable in semantic categories with typical instances and 1 list organizable in semantic categories with atypical instances. Reduced semantic organization was observed in patients. Regression analyses showed that the semantic clustering score in the atypical organizable list made a significant contribution to recall performance in patients. When semantic clustering was controlled, the effect of diagnosis on free recall was significant. These results suggest that depth of semantic organization is a crucial factor of verbal memory performance in schizophrenia. However, semantic organizational deficit does not account for the whole recall impairment.
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