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Related Concept Videos

Working Memory01:24

Working Memory

Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this information.
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Related Experiment Video

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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
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Published on: June 12, 2017

On the law relating processing to storage in working memory.

Pierre Barrouillet1, Sophie Portrat, Valérie Camos

  • 1Department of Psychology, Universite de Geneve, Geneva, Switzerland. Pierre.Barrouillet@unige.ch

Psychological Review
|April 13, 2011
PubMed
Summary
This summary is machine-generated.

This study introduces a mathematical function from the time-based resource-sharing model to explain working memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Cognition

Background:

  • Working memory is defined as the system for simultaneous information processing and maintenance.
  • Existing models often lack specificity regarding the interplay between processing and storage.
  • Baddeley and Hitch's model faces empirical contradictions concerning processing-storage interaction.

Purpose of the Study:

  • To derive a mathematical function quantifying the relationship between cognitive load during processing and information storage capacity in working memory.
  • To address the underspecified dynamic interplay between processing and storage in current working memory models.
  • To resolve contradictions in existing models regarding working memory functions.

Main Methods:

  • Derivation of a mathematical function from the time-based resource-sharing model.
  • Utilizing a meta-analysis of experimental data to test the derived function.
  • Corroborating model parameters with empirical findings on processing effects on storage.

Main Results:

  • A mathematical function was derived, linking cognitive load from concurrent processing to the amount of simultaneously maintained information.
  • Meta-analysis confirmed the parameters of the predicted function.
  • The derived function accurately reflects the relationship between working memory processing and storage.

Conclusions:

  • The time-based resource-sharing model provides a quantifiable explanation for working memory dynamics.
  • The derived mathematical function offers a novel framework for understanding the trade-off between processing and storage.
  • This research resolves a key issue in cognitive functioning by elucidating the interaction between working memory's dual functions.