Replay bursts in humans coincide with activation of the default mode and parietal alpha networks

Higgins Cameron; Liu Yunzhe; Vidaurre Diego; Kurth-Nelson Zeb; Dolan Ray; Behrens Timothy; Woolrich Mark

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Replay bursts in humans coincide with activation of the default mode and parietal alpha networks

机译：重播人类的爆发与默认模式和视网星网络的激活一致

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Our brains at rest spontaneously replay recently acquired information, but how this process is orchestrated to avoid interference with ongoing cognition is an open question. Here we investigated whether replay coincided with spontaneous patterns of whole-brain activity. We found, in two separate datasets, that replay sequences were packaged into transient bursts occurring selectively during activation of the default mode network (DMN) and parietal alpha networks. These networks are believed to support inwardly oriented attention and inhibit bottom-up sensory processing and were characterized by widespread synchronized oscillations coupled to increases in high frequency power, mechanisms thought to coordinate information flow between disparate cortical areas. Our data reveal a tight correspondence between two widely studied phenomena in neural physiology and suggest that the DMN may coordinate replay bursts in a manner that minimizes interference with ongoing cognition.

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《Neuron》 |2021年第5期|共20页
作者
Higgins Cameron; Liu Yunzhe; Vidaurre Diego; Kurth-Nelson Zeb; Dolan Ray; Behrens Timothy; Woolrich Mark;
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Univ Oxford Wellcome Ctr Integrat Neuroimaging Oxford England;

UCL Wellcome Trust Ctr Neuroimaging London England;

Univ Oxford Wellcome Ctr Integrat Neuroimaging Oxford England;

UCL Max Planck Univ Coll London Ctr Computat Psychiat &

Ageing Res London England;

UCL Wellcome Trust Ctr Neuroimaging London England;

Univ Oxford Wellcome Ctr Integrat Neuroimaging Oxford England;

Univ Oxford Wellcome Ctr Integrat Neuroimaging Oxford England;

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正文语种 eng
中图分类神经病学;
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Replay bursts in humans coincide with activation of the default mode and parietal alpha networks

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