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A quasi-comprehensive exploration of the mechanisms of spatial working memory

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  • Liqiang Huang

    (The Chinese University of Hong Kong)

Abstract

Why are some spatial patterns remembered more easily than others? There are many possible mechanisms underlying spatial working memory function. Here, the author explores different mechanisms simultaneously in a single conceptual model. He conducts a large-scale experiment (35.4 million responses used to measure human observers’ spatial working memory across 80,000 patterns) and builds a convolutional neural network as a benchmark for what is expected to be explainable. The author then creates a quasi-comprehensive exploration model of spatial working memory based on classic concepts, as well as new notions, including spatial uncertainty, Bayesian integration, out-of-range responses, averaging, grouping, categorical memory, line detection, gap detection, blurring, lateral inhibition, chunking, multiple spatial-frequency channels, redundancy, response bias and random guess. This model provides a tentative overarching framework for the mechanisms of spatial working memory.

Suggested Citation

  • Liqiang Huang, 2023. "A quasi-comprehensive exploration of the mechanisms of spatial working memory," Nature Human Behaviour, Nature, vol. 7(5), pages 729-739, May.
    • Handle: RePEc:nat:nathum:v:7:y:2023:i:5:d:10.1038_s41562-023-01559-z
    DOI: 10.1038/s41562-023-01559-z
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