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Altered Brain Connectivity Patterns of Individual Differences in Insightful Problem Solving.

Jiabao Lin1,2,3,4, Yajue Chen5, Jiushu Xie6

  • 1Guangdong Key Laboratory of Mental Health and Cognitive Science, School of Psychology, Center for Studies of Psychological Application, South China Normal University, Guangzhou, China.

Frontiers in Behavioral Neuroscience
|June 1, 2022
PubMed
Summary

Individual differences in insightful problem solving (IPS) are linked to specific brain connectivity patterns. Key brain regions like the frontal gyrus show positive correlations, while others like the anterior cingulate cortex show negative ones.

Keywords:
brain connectivityindividual differencesinsightful problem solvingneural mechanismresting-state fMRI

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Brain Imaging

Background:

  • Insightful problem solving (IPS) is crucial for creativity, but its neural basis remains poorly understood.
  • Individual variations in IPS require investigation into underlying brain mechanisms.

Purpose of the Study:

  • To explore voxel-level, full-brain connectivity patterns associated with individual differences in insightful problem solving (IPS).

Main Methods:

  • Utilized degree centrality (DC), a voxelwise network measure, to analyze brain connectivity in 62 healthy participants.
  • Employed a chunk decomposition paradigm with Mandarin characters to assess individual IPS capabilities.
  • Conducted seed-based functional connectivity analysis on identified brain regions.

Main Results:

  • Positive correlations between IPS and degree centrality (DC) were found in the inferior frontal gyrus and middle frontal gyrus/precentral gyrus.
  • Negative correlations were observed in the anterior cingulate cortex, brainstem, cerebellum, and thalamus.
  • IPS was primarily associated with the default mode network, including the precuneus and medial prefrontal cortex.

Conclusions:

  • The study elucidates specific neural connectivity patterns underlying individual differences in insightful problem solving.
  • Findings highlight the involvement of frontal regions and the default mode network in IPS.