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Hans and Sybil Eysenck developed a widely recognized theory of personality, which emphasizes the role of temperament and genetically based differences in shaping individual traits. Their theory posits that biological factors primarily determine personality and can be understood through two main dimensions: extroversion/introversion and neuroticism/stability.
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Stable individual differences from dynamic patterns of function: brain network flexibility predicts

Tyler A Sassenberg1, Adam Safron2,3,4,5, Colin G DeYoung1

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Summary
This summary is machine-generated.

Brain network flexibility links to personality traits. Higher intelligence correlates with cohesive flexibility in large brain networks, while openness relates to flexibility in smaller networks.

Keywords:
dynamic functional connectivityflexibilityintelligenceopenness/intellectpsychoticism

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Network Neuroscience

Background:

  • Understanding brain function involves analyzing large-scale brain networks.
  • Network neuroscience enables decomposing networks into functional communities and measuring their dynamic reconfiguration.
  • Brain network flexibility is linked to complex cognitive traits like creativity and working memory.

Purpose of the Study:

  • To investigate the associations between dynamic functional connectivity and personality traits.
  • To test how flexibility in brain networks relates to Openness/Intellect, general intelligence, and psychoticism.

Main Methods:

  • Utilized dynamic resting-state functional connectivity measures.
  • Employed a machine-learning cross-validation approach.
  • Analyzed data from the Human Connectome Project (n=994).

Main Results:

  • Intelligence associated with cohesive flexibility in large cortical communities.
  • Psychoticism linked to disjoint flexibility.
  • Openness/Intellect associated with overall flexibility in smaller communities.

Conclusions:

  • Findings support theories on neural correlates of personality traits.
  • Expands understanding of behavior associations with dynamic functional connectivity.
  • Highlights the role of brain network flexibility in broad personality dimensions.