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Area of Science:

  • Neuroscience
  • Psychology

Background:

  • Dream recall frequency correlates with creativity and openness.
  • Neuroimaging reveals distinct default mode network (DMN) activity in high (HR) versus low (LR) dream recallers.
  • Dreaming and mind-wandering may share underlying processes mediated by the DMN.

Purpose of the Study:

  • To investigate the relationship between DMN functional connectivity, personality traits (creativity), and cognitive abilities in HR and LR.
  • To test the hypothesis that the DMN underpins spontaneous mental processes in both dreaming and wakefulness.

Main Methods:

  • Functional connectivity of the DMN was measured during resting wakefulness in 28 HR and 27 LR.
  • Participants completed assessments of personality (including creativity) and cognitive abilities.

Main Results:

  • HR showed significantly greater DMN connectivity than LR.
  • HR also scored higher on creativity measures.
  • No significant differences in memory abilities were found between HR and LR.
  • Creativity scores did not significantly correlate with DMN connectivity.

Conclusions:

  • Individuals with high dream recall display distinct neurophysiological (DMN connectivity) and psychological (creativity) profiles.
  • Findings support the role of the DMN in dreaming and spontaneous thought.
  • The DMN's potential role in promoting creative thinking during wakefulness and sleep warrants further investigation.