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Xu Lei

4 papers in the library · publishing 2016-2023

Papers

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Hierarchical fluctuation shapes a dynamic flow linked to states of consciousness.

Nature Communications June 5, 2023 Ang Li, Haiyang Liu, Xu Lei et al.

Consciousness arises from the spatiotemporal neural dynamics, however, its relationship with neural flexibility and regional specialization remains elusive. We identified a consciousness-related signature marked by shifting spontaneous fluctuations along a unimodal-transmodal cortical axis. This simple signature is sensitive to altered states of consciousness in single individuals, exhibiting...

Mindfulness Training Improves Attention: Evidence from Behavioral and Event-related Potential Analyses.

Brain Topography March 2023 Yong U Liu, Yi Hou, Huan Quan et al.

Mindfulness meditation helps to improve attentional capacity. However, the neural correlates that indicate the mechanism through which mindfulness improves attention are unclear. To address this gap, we aimed to assess the effects of mindfulness training on sustained attentional capacity. Event-related potentials (ERPs) associated with the modified sustained attention response task (mSART) were...

Wandering Minds with Wandering Brain Networks.

Neuroscience Bulletin December 2018 Xinqi Zhou, Xu Lei

The default mode network (DMN) is associated with the occurrence of mind-wandering or task-unrelated thought. In contrast, the frontal-parietal network (FPN) and visual network (VS) are involved in tasks with external stimuli. However, it is not clear how these functional network interactions support these two different processes - mind-wandering and on-task - especially with regard to...

Activation and Connectivity within the Default Mode Network Contribute Independently to Future-Oriented Thought

Scientific Reports February 12, 2016 Xiaoxiao Xu, Hong Yuan, Xu Lei

Abstract: Future-oriented thought, a projection of the self into the future to pre-experience an event, has been linked to default mode network (DMN). Previous studies showed that the DMN was generally divided into two subsystems: anterior part (aDMN) and posterior part (pDMN). The former is mostly related to self-referential mental thought and latter engages in episodic memory retrieval and...