Abnormal oscillatory synchronisation in the motor system leads to impaired movement.
Converging data suggest that abnormal synchronised oscillatory activity in the basal ganglia may contribute to bradykinesia in patients with Parkinson's disease. This synchrony preferentially occurs over 10-30 Hz, the so-called beta band. Correlative evidence has been supplemented by experiments in which direct stimulation of the basal ganglia in the beta band slows movement. Yet questions remain regarding the small scale of the latter effects and whether synchrony is an early or even obligat...Expand abstract
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