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Journal Articles Cognitive Neuropsychiatry Year : 2016

Self-imagination can enhance memory in individuals with schizophrenia

Abstract

OBJECTIVE: Previous research has demonstrated that self-referential strategies can be applied to improve memory in various memory- impaired populations. However, little is known regarding the relative effectiveness of self-referential strategies in schizophrenia patients. The main aim of this study was to assess the effectiveness of a new self-referential strategy known as self- imagination (SI) on a free recall task. METHODS: Twenty schizophrenia patients and 20 healthy controls intentionally encoded words under five instructions: superficial processing, semantic processing, semantic self-referential processing, episodic self-referential processing and semantic self- imagining. Other measures included depression, psychotic symptoms and cognitive measures. RESULTS: We found a SI effect in memory as self- imagining resulted in better performance in memory retrieval than semantic and superficial encoding in schizophrenia patients. The memory boost for self-referenced information in comparison to semantic processing was not found for other self-referential strategies. In addition no relationship between clinical variables and free recall performances was found. In controls, the SI condition did not result in better performance. The three self-referential strategies yielded better free recall than both superficial and semantic encoding. CONCLUSIONS: This study provides evidence of the clinical utility of self-imagining as a mnemonic strategy in schizophrenia patients.
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hal-01872396 , version 1 (12-09-2018)

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Stephane Raffard, Catherine Bortolon, Mariana Burca, Caroline Novara, Marie-Christine Gely-Nargeot, et al.. Self-imagination can enhance memory in individuals with schizophrenia. Cognitive Neuropsychiatry, 2016, 21 (2), pp.168 - 181. ⟨10.1080/13546805.2016.1155438⟩. ⟨hal-01872396⟩
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