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Poster De Conférence Année : 2019

Organization in Working Memory is Driven by the Compressibility of Information

Laura Lazartigues
Frédéric Lavigne
Carlos Aguilar
  • Fonction : Auteur
Fabien Mathy

Résumé

Working memory (WM) is known to be limited in capacity, but mechanisms based on compression of information could contribute to the storage process. It has been shown that chunking governed by compression could be one of these mechanisms. The present study investigated how chunks can be formed using patterns to be discovered on the spot, that is, without these chunks being already formed in long-term memory. We predicted that a compact representation could leave room in WM at the expense of the quality. Our method was based on a compressibility metric that allowed prediction of memory errors linked to a lossy compression process. Our result showed that RTs and errors depended on compressibility, and those measures might be interpretable in terms of over-compressibility. We discuss the results to conclude that the present study offers a comprehension of WM capacity which cannot be accounted easily by shared-allocation models or discrete-slots models.

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Dates et versions

hal-02486690 , version 1 (21-02-2020)

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  • HAL Id : hal-02486690 , version 1

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Laura Lazartigues, Frédéric Lavigne, Carlos Aguilar, Fabien Mathy. Organization in Working Memory is Driven by the Compressibility of Information. 60th Annual Meeting of the Psychonomic Society, Nov 2019, Montréal, Canada. ⟨hal-02486690⟩
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