Beta-band oscillations - signalling the status quo?

被引：1923

作者：

Engel, Andreas K. ^{[1
]}

Fries, Pascal ^{[2
]}

机构：

[1] Univ Med Ctr Hamburg Eppendorf, Dept Neurophysiol & Pathophysiol, D-20246 Hamburg, Germany

[2] Max Planck Gesell, Ernst Strungmann Inst, D-60528 Frankfurt, Germany

来源：

CURRENT OPINION IN NEUROBIOLOGY | 2010年 / 20卷 / 02期

关键词：

SHORT-TERM-MEMORY; HUMAN CORTICOSPINAL SYSTEM; SUBTHALAMIC NUCLEUS STIMULATION; TASK-DEPENDENT MODULATION; HUMAN BASAL GANGLIA; PARKINSONS-DISEASE; TOP-DOWN; MOTOR CORTEX; NEURONAL SYNCHRONIZATION; PHASE SYNCHRONIZATION;

D O I：

10.1016/j.conb.2010.02.015

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

In this review, we consider the potential functional role of beta-band oscillations, which at present is not yet well understood. We discuss evidence from recent studies on top-down mechanisms involved in cognitive processing, on the motor system and on the pathophysiology of movement disorders that suggest a unifying hypothesis: beta-band activity seems related to the maintenance of the current sensorimotor or cognitive state. We hypothesize that beta oscillations and/or coupling in the beta-band are expressed more strongly if the maintenance of the status quo is intended or predicted, than if a change is expected. Moreover, we suggest that pathological enhancement of beta-band activity is likely to result in an abnormal persistence of the status quo and a deterioration of flexible behavioural and cognitive control.

引用

页码：156 / 165

页数：10

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