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...
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| Veröffentlicht in: | Current opinion in neurobiology 2010-04, Vol.20 (2), p.156-165 |
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| creator | Engel, Andreas K Fries, Pascal |
| description | 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. |
| doi_str_mv | 10.1016/j.conb.2010.02.015 |
| format | Article |
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| ispartof | Current opinion in neurobiology, 2010-04, Vol.20 (2), p.156-165 |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Animals Beta Rhythm Biological Clocks - physiology Brain - anatomy & histology Brain - physiology Cognition - physiology Humans Motor Cortex - physiology Movement - physiology Movement Disorders - physiopathology Nerve Net - anatomy & histology Nerve Net - physiology Neurology Periodicity Psychiatry Psychomotor Performance - physiology |
| title | Beta-band oscillations — signalling the status quo? |
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