ArticleBrain : a journal of neurology2024
Default mode network electrophysiological dynamics and causal role in creative thinking.
Article in Brain : a journal of neurology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed.
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- Writing is thinking: toward a neuropsychological model of scientific writing as knowledge construction.Frontiers in cognition · 2026Article
- Mechanisms of semantic composition in older adults: control, semantic processing, and imagery.Frontiers in psychology · 2026Article
- EEG Microstates During Multisensory Stimulation: Assessing the Severity of Disorders of Consciousness and Distinguishing the Minimally Conscious State.Brain sciences · 2025Article
- The transformational power of psychedelics: catalysts for creativity, consciousness, and mental health.Molecular psychiatry · 2025Review
- Near-infrared time-resolved spectroscopy reveals task-induced emotions by measuring cerebral blood oxygenation changes in the frontal pole during creative activity using a real object.IBRO neuroscience reports · 2025Article
- Neural signatures and personalized neuromodulation in a subject experiencing context-dependent inhibitory control deficits.NeuroImage · 2025Article
- Enhanced creative thinking performance: the role of alpha frequency transcranial alternating current stimulation in the parieto-occipital region.BMC psychology · 2025Article
- Parietal cortex is recruited by frontal and cingulate areas to support action monitoring and updating during stopping.NeuroImage · 2025Article
- Neural dynamics of semantic control underlying generative storytelling.Communications biology · 2025Article
- Mapping Neuroimaging Findings of Creativity and Brain Disease Onto a Common Brain Circuit.JAMA network open · 2025Article
- Neural correlates of evaluative bias against artificial intelligence-labeled versus human-labeled artworks.Social cognitive and affective neuroscience · 2025Article
- Dynamic switching between brain networks predicts creative ability.Communications biology · 2025Article
- Exploring the neural basis of creativity: EEG analysis of power spectrum and functional connectivity during creative tasks in school-aged children.Frontiers in computational neuroscience · 2025Article
- Visualization and workload with implicit fNIRS-based BCI: toward a real-time memory prosthesis with fNIRS.Frontiers in neuroergonomics · 2025Article
- The evolution of human-type consciousness - a by-product of mammalian innovation mechanism - a preliminary hypothesis.Frontiers in psychology · 2025Article
- Three mechanisms of language comprehension are revealed through cluster analysis of individuals with language deficits.NPJ science of learning · 2024Article
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Abstract
The default mode network (DMN) is a widely distributed, intrinsic brain network thought to play a crucial role in internally directed cognition. The present study employs stereo-EEG in 13 human patients, obtaining high resolution neural recordings across multiple canonical DMN regions during two processes that have been associated with creative thinking: spontaneous and divergent thought. We probe these two DMN-associated higher cognitive functions through mind wandering and alternate uses tasks, respectively. Our results reveal DMN recruitment during both tasks, as well as a task-specific dissociation in spatiotemporal response dynamics. When compared to the fronto-parietal network, DMN activity was characterized by a stronger increase in gamma band power (30-70 Hz) coupled with lower theta band power (4-8 Hz). The difference in activity between the two networks was especially strong during the mind wandering task. Within the DMN, we found that the tasks showed different dynamics, with the alternate uses task engaging the DMN more during the initial stage of the task, and mind wandering in the later stage. Gamma power changes were mainly driven by lateral DMN sites, while theta power displayed task-specific effects. During alternate uses task, theta changes did not show spatial differences within the DMN, while mind wandering was associated to an early lateral and late dorsomedial DMN engagement. Furthermore, causal manipulations of DMN regions using direct cortical stimulation preferentially decreased the originality of responses in the alternative uses task, without affecting fluency or mind wandering. Our results suggest that DMN activity is flexibly modulated as a function of specific cognitive processes and supports its causal role in divergent thinking. These findings shed light on the neural constructs supporting different forms of cognition and provide causal evidence for the role of DMN in the generation of original connections among concepts.
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