Scientists discover a hidden brain rhythm that could improve Parkinson’s treatment
Scientists have pinpointed a brain network—and its distinctive electrical rhythm—that appears to drive the benefits of deep brain stimulation for Parkinson’s disease. The discovery could lead to more precise, personalized stimulation settings and better results for patients.
Scientists have identified a specific brain rhythm called a beta rhythm (20-35 Hz) that appears crucial to the effectiveness of deep brain stimulation (DBS) therapy for Parkinson's disease. This new research, published in the journal Brain, combines electrophysiology and brain imaging techniques to reveal how DBS works at both a spatial and temporal level within a defined brain network.
The study's lead author, Professor Dr. Andreas Horn from the University of Cologne, explains that the identified network connects the subthalamic nucleus to frontal areas of the brain and operates synchronously in the high beta frequency band. This network's strength correlates with the degree of motor symptom improvement in individual patients following DBS implantation, suggesting that tailoring stimulation to this specific brain rhythm could enhance treatment outcomes for Parkinson's patients.
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