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Neuroanatomical Correlates of Creativity: Evidence From Voxel-Based Morphometry
Wenfu Li1, Gongying Li1, Bingyuan Ji1
1School of Mental Health, Jining Medical University, Jining, China.
Frontiers in Psychology
|February 20, 2019
Summary
Creativity, measured by the Remote Associates Test (RAT), is linked to brain structure. Higher creativity scores correlate with specific gray and white matter densities in brain regions like the aSTG, dACC, and IFG.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Neuroimaging
Background:
- Creativity is vital for human advancement.
- The Remote Associates Test (RAT) is a common creativity measure.
- Brain structural correlates of RAT performance are not fully understood.
Purpose of the Study:
- To investigate the relationship between brain gray matter density (GMD) and white matter density (WMD) and performance on the RAT.
- To identify specific brain regions associated with creative thinking.
Main Methods:
- Voxel-based morphometry (VBM) was used to analyze brain structure.
- 144 women and 117 healthy college students participated.
- Correlation analysis between RAT scores and regional GMD/WMD.
Main Results:
- RAT scores positively correlated with GMD in the right anterior superior temporal gyrus (aSTG).
- RAT scores negatively correlated with GMD in the right dorsal anterior cingulate cortex (dACC).
- RAT scores positively correlated with WMD in the right dACC and negatively with WMD in the left inferior frontal gyrus (IFG).
Conclusions:
- Individual creativity, assessed by RAT, is associated with gray and white matter density in the aSTG, dACC, and IFG.
- These brain regions may play roles in novel combination formation, cognitive flexibility, conflict monitoring, and semantic integration during creative tasks.
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