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Individual differences in verbal creative thinking are reflected in the precuneus.

Qun-Lin Chen1, Ting Xu2, Wen-Jing Yang1

  • 1Key Laboratory of Cognition and Personality (Ministry of Education), Chongqing 400715, China; School of Psychology, Southwest University, Chongqing 400715, China.

Neuropsychologia
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Summary

High verbal creativity in individuals is linked to reduced functional homogeneity in the right precuneus. Brain imaging reveals structural and functional connections between creativity and the right precuneus.

Keywords:
Cortical morphologyLocal functional homogeneityPrecuneusVerbal creativity

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Neuroimaging

Background:

  • Creative thinking has been extensively studied using structural and functional neuroimaging.
  • However, integrated studies combining both structural and functional magnetic resonance imaging (MRI) for creative thinking are limited.

Purpose of the Study:

  • To investigate the relationship between individual differences in verbal creative thinking and brain's regional homogeneity and cortical morphology.
  • To explore the neurobiological underpinnings of creativity by linking functional and structural brain measures.

Main Methods:

  • Utilized magnetic resonance imaging (MRI) to assess regional homogeneity (functional connectivity) and cortical morphology (volume and thickness).
  • Examined associations in a large sample of 268 healthy college students.
  • Related these brain measures to verbal creativity and its components: fluency, originality, and flexibility.

Main Results:

  • Individuals with higher verbal creativity showed decreased regional functional homogeneity in the right precuneus.
  • Both cortical volume and thickness in the right precuneus positively correlated with verbal creativity.
  • Specific dimensions of creativity (originality, flexibility) showed distinct patterns of functional homogeneity in other brain regions, including the frontal and occipital lobes.

Conclusions:

  • Findings support a strong link between verbal creative thinking and the structural and functional characteristics of the right precuneus.
  • The right precuneus, crucial for internally focused attention and semantic retrieval, plays a significant role in verbal creativity.
  • Local functional homogeneity in brain regions has neurobiological relevance for creative thinking, supported by anatomical substrates.