Beta-band oscillations — signalling the status quo?
Copyright policy )Beta-band oscillations — signalling the status quo?
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.
- Radboud University Nijmegen Netherlands
- Universität Hamburg Germany
- Max Planck Society Germany
- University Medical Center Hamburg-Eppendorf Germany
Periodicity, DCN 1: Perception and Action, Movement Disorders, Movement, Biophysics, Motor Cortex, Brain, Cognition, Biological Clocks, Animals, Humans, Nerve Net, Beta Rhythm, Psychomotor Performance
Periodicity, DCN 1: Perception and Action, Movement Disorders, Movement, Biophysics, Motor Cortex, Brain, Cognition, Biological Clocks, Animals, Humans, Nerve Net, Beta Rhythm, Psychomotor Performance
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