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Related Concept Videos

Working Memory01:24

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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...
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Related Experiment Video

Updated: Jun 30, 2025

Utilizing Electroencephalography Measurements for Comparison of Task-Specific Neural Efficiencies: Spatial Intelligence Tasks
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Quantifying resource sharing in working memory.

Julie Pougeon1,2, Valérie Camos3, Clément Belletier4

  • 1Département de Psychologie, Université de Fribourg, Rue P.-A. de Faucigny 2, 1700, Fribourg, Switzerland. julie.pougeon@unifr.ch.

Psychonomic Bulletin & Review
|March 23, 2024
PubMed
Summary
This summary is machine-generated.

Working memory models propose shared resources for storage and processing. This study quantified resource sharing, finding the human cognitive system remarkably robust, preserving over half of peak performance during dual tasks.

Keywords:
Dual-task performanceWorking memory

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Area of Science:

  • Cognitive psychology
  • Neuroscience

Background:

  • Working memory (WM) models often assume shared, limited resources for storage and processing.
  • Previous research has lacked quantitative data on the extent of resource sharing and dual-task decrements.

Purpose of the Study:

  • To quantify resource sharing between storage and processing in working memory.
  • To assess the impact of concurrent task implementation on these functions.

Main Methods:

  • Participants performed a complex span task, measuring storage and processing performance.
  • Performance was expressed as a proportion of individual peak performance in isolated tasks.
  • Two experiments were conducted to validate the findings.

Main Results:

  • Substantial dual-task decrements were observed.
  • Participants preserved at least half of their maximum performance in both storage and processing components.
  • This indicates a high degree of robustness in the cognitive system.

Conclusions:

  • The findings provide quantitative evidence for resource sharing in working memory.
  • Results challenge some assumptions of current WM models by demonstrating cognitive robustness.
  • Further research is needed to refine WM models based on these quantitative insights.