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 uncovered a crucial brain rhythm that could potentially enhance treatment for Parkinson's disease. Researchers from the University Hospitals of Cologne and Düsseldorf, Harvard Medical School, and Charité Berlin have discovered that deep brain stimulation (DBS) benefits are linked to a specific high beta rhythm ranging from 20 to 35 Hz.
The findings, published in the journal Brain, are the first to integrate electrophysiology and brain imaging techniques to identify the precise network stimulated during DBS. This network, connecting the subthalamic nucleus with frontal brain regions, operates in sync with the identified beta rhythm, potentially explaining why some patients respond better to the therapy.
The study, led by Professor Dr. Andreas Horn from the University of Cologne, involved fifty patients and one hundred brain hemispheres, using simultaneous DBS and MEG recordings to map functional connections. The researchers believe that understanding this communication channel could enable more precise DBS settings in the future, particularly for patients who have not fully benefited from the treatment. Future research aims to explore how DBS alters brain networks.
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