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Exploring Neural Signal Complexity as a Potential Link between Creative Thinking, Intelligence, and Cognitive

Yadwinder Kaur1, Selina Weiss2, Changsong Zhou3

  • 1Department of Psychology, Carl von Ossietzky Universität Oldenburg, 26129 Oldenburg, Germany.

Journal of Intelligence
|December 23, 2021
PubMed
Summary
This summary is machine-generated.

Creative thinking and cognitive control are linked by brain-signal complexity (BSC), specifically multi-scale entropy (MSE). This neural complexity, not intelligence, predicts divergent thinking factors like fluency and originality.

Keywords:
brain signal complexity (BSC)cognitive controlcreative thinkingcreative/fluent verbal associationdivergent thinking (DT)fluid (gf) and crystallized intelligence (gc)inhibitionmulti-scale entropy (MSE)verbal creativity

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Psychometrics

Background:

  • Creative thinking involves multiple neural networks, including cognitive control.
  • Cognitive control is theoretically linked to creative thinking and intelligence.
  • Detailed investigation of neural correlates of cognitive control, creative thinking, and intelligence is lacking.

Purpose of the Study:

  • To explore behavioral and neural relationships between cognitive control, divergent thinking (DT) factors (fluency, originality), and intelligence (fluid, crystallized).
  • To investigate brain-signal complexity (BSC) using multi-scale entropy (MSE) during DT and cognitive control tasks.
  • To determine if MSE is a neural indicator of originality and inhibition.

Main Methods:

  • Studied 77 young adults performing verbal DT and cognitive control tasks.
  • Measured brain-signal complexity (BSC) using multi-scale entropy (MSE).
  • Analyzed associations between MSE, DT factors, and intelligence scores.

Main Results:

  • MSE effectively indicated originality and inhibition.
  • MSE during DT tasks and cognitive control states correlated with fluency and originality at specific scalp locations.
  • No significant associations were found between MSE and fluid or crystallized intelligence.

Conclusions:

  • Brain-signal complexity (BSC) is a neural indicator for creative thinking factors like fluency and originality.
  • Cognitive control's neural underpinnings of creativity are related to brain complexity, not general intelligence.
  • Findings offer a new perspective on the neural basis of creativity and cognitive control.