Interareal oscillatory synchronization in top-down neocortical processing

被引：117

作者：

Bressler, Steven L. ^{[1
]}

Richter, Craig G. ^{[2
]}

机构：

[1] Florida Atlantic Univ, Ctr Complex Syst & Brain Sci, Boca Raton, FL 33431 USA

[2] Ecole Normale Super, Lab Neurosci Cognit, Paris, France

来源：

CURRENT OPINION IN NEUROBIOLOGY | 2015年 / 31卷

关键词：

VISUAL-CORTEX; NEUROCOGNITIVE NETWORKS; BETA OSCILLATIONS; NEURAL MECHANISMS; SPATIAL ATTENTION; PARIETAL CORTEX; HUMAN BRAIN; EEG; MONKEY; GAMMA;

D O I：

10.1016/j.conb.2014.08.010

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Top-down processing in the neocortex underlies important cognitive functions such as predictive coding and attentional set. We review evidence indicating that top-down neocortical processes are carried by interareal synchrony, particularly in the beta frequency band. We hypothesize that top-down neocortical signals in the beta band convey behavioral context to low-level sensory neurons. We further speculate that large-scale distributed networks, self-organized at the highest hierarchical levels, are the source of top-down signals in the neocortex.

引用

页码：62 / 66

页数：5

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