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Dynamic switching between brain networks predicts creative ability.

Qunlin Chen1,2, Yoed N Kenett3, Zaixu Cui4

  • 1Faculty of Psychology, Southwest University, Chongqing, China.

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|January 14, 2025
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Summary
This summary is machine-generated.

Creativity relies on balancing spontaneous thought and cognitive control, linked to switching between the Default Mode Network (DMN) and Executive Control Network (ECN). Optimal creativity requires a balanced dynamic between these brain networks.

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Psychology

Background:

  • Creativity is often linked to a balance between spontaneous thought and cognitive control.
  • This balance is hypothesized to be reflected in functional connectivity between the Default Mode Network (DMN) and Executive Control Network (ECN).

Purpose of the Study:

  • To investigate the relationship between creativity and dynamic switching between the DMN and ECN.
  • To examine if the balance of DMN-ECN switching predicts creative performance.

Main Methods:

  • A large-scale, multi-center meta-analytic network neuroscience approach using resting-state fMRI data from 2433 participants across 5 countries.
  • Time-resolved network analysis to assess dynamic switching between DMN and ECN.
  • An independent task-fMRI validation study with 31 participants.

Main Results:

  • Creativity, specifically divergent thinking ability, was reliably predicted by the number of DMN-ECN switches.
  • General intelligence was not predicted by DMN-ECN switches.
  • An inverted-U relationship was observed between creativity and the balance of DMN-ECN switching, indicating optimal performance at intermediate levels of switching.

Conclusions:

  • Dynamic switching between the DMN and ECN is crucial for creativity.
  • Optimal creative performance is associated with a balanced interplay between spontaneous and controlled cognitive processes.
  • This study provides robust, multi-center evidence linking brain network dynamics to creative capacity.