4.7 Article

A Feasibility Study on the Use of the Method of Loci for Improving Episodic Memory Performance in Schizophrenia and Non-clinical Subjects

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FRONTIERS IN PSYCHOLOGY
卷 12, 期 -, 页码 -

出版社

FRONTIERS MEDIA SA
DOI: 10.3389/fpsyg.2021.612681

关键词

psychosis; schizophrenia; method of loci; episodic memory; cognitive remediation

资金

  1. Fonds de Recherche du Quebec -Sante [32855]
  2. McGill University
  3. Globalink Graduate Fellowship - Mitacs

向作者/读者索取更多资源

The Method of Loci (MoL) training protocol was tested on healthy individuals and individuals with schizophrenia, showing improvement only in the former group. The lack of significant memory enhancement in the schizophrenia group may be attributed to difficulties in method utilization and fatigue, highlighting the need for alternative strategies tailored to cognitive impairments in this population.
We investigated the feasibility of a short intervention using the Method of Loci (MoL), a well-known visuospatial mnemonic, to improve episodic memory recall performance in schizophrenia. The MoL training protocol comprised encoding and recall of two lists of items (words and images), a training session and practice with MoL. Then, participants had the opportunity to put into practice the newly learned MoL and were instructed to encode and recall two new lists of items using. This approach was first validated with healthy individuals (N = 71). Subsequently, five individuals with schizophrenia completed the protocol. Improvement in healthy individuals was observed for the word list (Wilcoxon effect size r = 0.15). No significant memory improvement was denoted in the schizophrenia group, possibly due to participants' difficulties using the method efficiently and due to fatigue. The MoL seems to require episodic memory, working memory monitoring and executive functions, making it suboptimal for a population with impairments in all those domains. Future research should examine the use of other strategies, better suited for individuals with cognitive impairments like those found in schizophrenia.

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