Brain structure links trait creativity to openness to experience.

Soc Cogn Affect Neurosci

Key Laboratory of Cognition and Personality (SWU), Ministry of Education, Chongqing 400715, China, School of Psychology, Southwest University, Chongqing 400715, China, and State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China

Published: February 2015

Creativity is crucial to the progression of human civilization and has led to important scientific discoveries. Especially, individuals are more likely to have scientific discoveries if they possess certain personality traits of creativity (trait creativity), including imagination, curiosity, challenge and risk-taking. This study used voxel-based morphometry to identify the brain regions underlying individual differences in trait creativity, as measured by the Williams creativity aptitude test, in a large sample (n = 246). We found that creative individuals had higher gray matter volume in the right posterior middle temporal gyrus (pMTG), which might be related to semantic processing during novelty seeking (e.g. novel association, conceptual integration and metaphor understanding). More importantly, although basic personality factors such as openness to experience, extroversion, conscientiousness and agreeableness (as measured by the NEO Personality Inventory) all contributed to trait creativity, only openness to experience mediated the association between the right pMTG volume and trait creativity. Taken together, our results suggest that the basic personality trait of openness might play an important role in shaping an individual's trait creativity.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4321617PMC
http://dx.doi.org/10.1093/scan/nsu041DOI Listing

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