Towards theoretically understanding how long-term memory semantics can support working memory performance

Hart, Rebecca and Logie, Robert H. and Nicholls, Louise A. Brown (2024) Towards theoretically understanding how long-term memory semantics can support working memory performance. Quarterly Journal of Experimental Psychology. pp. 1-21. ISSN 1747-0218 (https://doi.org/10.1177/17470218241284414)

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Abstract

Working memory is the system that supports the temporary storage and processing of information. It is generally agreed that working memory is a mental workspace, with a combination of resources operating together to maintain information in mind for potential use in thought and action. Theories typically acknowledge contributions of long-term memory to this system. One particular aspect of long-term memory, namely semantic long-term memory, can effectively supplement or ‘boost’ working memory performance. This may be a relatively automatic process via the semantic properties of the stimuli or more active via strategy development and implementation. However, the precise mechanisms require greater theoretical understanding. In this review of the literature, we critically discuss theoretical models of working memory and their proposed links with long-term memory. We also explore empirical research that contributes to our understanding of the ways in which semantics can support performance on both verbal and visuospatial working memory tasks, with a view to potential intervention development. This includes the possibility of training people with lower performance (e.g., older adults) to use semantics during working memory tasks. We conclude that semantics may offer an opportunity to maximise working memory performance. However, to realise this potential, more research is needed, particularly in the visuospatial domain.

ORCID iDs

Hart, Rebecca ORCID logoORCID: https://orcid.org/0009-0007-0399-8266, Logie, Robert H. and Nicholls, Louise A. Brown ORCID logoORCID: https://orcid.org/0000-0003-3520-6175;
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