Large-scale brain network associated with creative insight: combined voxel-based morphometry and resting-state
Takeshi Ogawa1, Takatsugu Aihara2, Takeaki Shimokawa2
1Advanced Telecommunication Research Institute International, Cognitive Mechanisms Laboratories, Kyoto, 619-0288, Japan. t.ogawa@atr.jp.
Scientific Reports
|April 26, 2018
Summary
Creative insight involves "Aha!" moments, often linked to specific brain networks. This study used MRI and cognitive tests to map brain structure and function related to creative problem-solving abilities.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Neuroimaging
Background:
- Creative insight, characterized by the
- Aha!
- experience, is crucial for solving complex problems.
- Understanding the neural underpinnings of creative insight is essential for cognitive science.
Purpose of the Study:
- To investigate the large-scale brain networks associated with individual differences in creative insight problem-solving.
- To identify the relationship between brain structure (grey matter volume) and resting-state functional connectivity (RSFC) and insight abilities.
Main Methods:
- Recruited 232 healthy adults (aged 21-69) who underwent structural and resting-state functional MRI (fMRI).
- Participants completed an insight test battery (ITB) assessing problem-solving skills.
- Employed voxel-based morphometry (VBM)-constrained RSFC analysis to link brain structure and function to insight scores.
Main Results:
- Positive correlations found between insight scores and grey matter volume (GMV) in the right insula and middle cingulate cortex/precuneus.
- Negative correlations observed between insight scores and GMV in the left cerebellum crus 1 and right supplementary motor area.
- Identified insight-specific connections involving motor regions and creative-common connections within the default mode network.
Conclusions:
- Creative insight emerges from the coordinated activity of multiple brain networks, including the default mode, semantic, and cerebro-cerebellar networks.
- Brain structure and functional connectivity patterns are significantly associated with an individual's capacity for creative insight.
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