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How the Working Memory with Distributed Executive Control Model Accounts for Task Switching and Dual-Task

André Vandierendonck1

  • 1Department of Experimental Psychology, Ghent University, Belgium.

Journal of Cognition
|January 28, 2021
PubMed
Summary
This summary is machine-generated.

The working memory model with distributed executive control (WMDEC) explains how working memory supports goal-directed actions by maintaining task information. Simulations confirm its predictions for task switching and dual-tasking performance.

Keywords:
ActionCognitive ControlWorking memory

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Area of Science:

  • Cognitive Psychology
  • Computational Neuroscience

Background:

  • Working memory is crucial for temporary information storage and goal-directed behavior.
  • The working memory model with distributed executive control (WMDEC) posits that working memory maintains task-relevant information for action planning.

Purpose of the Study:

  • To computationally model the WMDEC to simulate human performance in various working memory tasks.
  • To test predictions related to task switching costs and dual-task coordination.

Main Methods:

  • A computational version of the WMDEC was developed.
  • Simulations were run to replicate findings from experiments on task switching and dual-tasking.

Main Results:

  • The WMDEC simulations accurately predicted human performance in tasks involving task switching.
  • The model also successfully accounted for costs associated with dual-task coordination and attention switching.

Conclusions:

  • The WMDEC provides a robust framework for understanding how working memory supports complex cognitive functions.
  • The findings support the role of distributed executive control in managing multiple tasks and goals.