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Related Experiment Video

Updated: May 20, 2026

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
07:01

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment

Published on: September 20, 2020

Task rules, working memory, and fluid intelligence.

John Duncan1, Moritz Schramm, Russell Thompson

  • 1MRC Cognition and Brain Sciences Unit, 15 Chaucer Road, Cambridge, CB2 7EF, UK. john.duncan@mrc-cbu.cam.ac.uk

Psychonomic Bulletin & Review
|July 19, 2012
PubMed
Summary
This summary is machine-generated.

Working memory for complex task rules, not just simple spans, strongly correlates with fluid intelligence. This suggests fluid intelligence relies on efficiently constructing mental programs for novel and complex behaviors.

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Published on: February 14, 2014

Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • Working memory is crucial for cognitive functions, including fluid intelligence.
  • Previous research linked various working memory types to fluid intelligence.

Purpose of the Study:

  • To investigate the specific aspect of working memory most strongly correlated with fluid intelligence.
  • To differentiate the role of working memory for task rules versus traditional working memory measures.

Main Methods:

  • Compared correlations between fluid intelligence and different working memory measures.
  • Included simple and complex spans, visual short-term memory, and working memory for new task rules.
  • Focused on working memory load determined by task instruction complexity.

Main Results:

  • Working memory for new task rules showed a stronger correlation with fluid intelligence than other measures.
  • This specific working memory aspect is less dependent on real-time performance demands.
  • Task complexity, not performance load, determined the working memory limitations.

Conclusions:

  • Fluid intelligence is closely linked to the efficiency of constructing mental control programs for complex tasks.
  • Working memory for task rules plays a critical role in novel and complex behaviors.
  • This highlights a specific, rule-based aspect of working memory as key to fluid intelligence.