A switching mechanism of the default-mode network in the brain at criticality

被引：0

作者：

Chu, Yue ^{[1
]}

Zhu, Chen-Ping ^{[1
]}

Zhou, Wen-Tao ^{[1
]}

Yin, Xiao-Gang ^{[1
]}

Li, You-Jun ^{[2
]}

Hu, Chin-Kun ^{[3
,4
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Sci, Nanjing 210016, Peoples R China

[2] Xi An Jiao Tong Univ, Coll Life Sci & Technol, Xian 710049, Peoples R China

[3] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[4] Natl Dong Hwa Univ, Dept Phys, Hualien 97401, Taiwan

来源：

CHINESE JOURNAL OF PHYSICS | 2021年 / 72卷

关键词：

The default mode network; Oscillator death; Regeneration; Switching mechanism; FUNCTIONAL CONNECTIVITY; SALIENCE NETWORK; TIME-DELAY; PATTERNS; CORTEX;

D O I：

10.1016/j.cjph.2021.02.003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Many works confirm the anti-correlations between the default mode network (DMN) and the central-executive network (CEN) in the brain. However, the switching mechanism of the DMN itself is still lack of understanding from the viewpoint of neural network dynamics. Here we simulate the DMN with the Hindmarsh-Rose (HR) neuron model on the small-world network. We model the state of oscillator death and oscillatory firing as the inhibitory state and the activated state, respectively. We find that the DMN can regenerate from the inhibitory state when the input current of only one synapse is cut off at criticality.

引用

页码：636 / 644

页数：9

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