Related Experiment Video
Updated: Jun 28, 2025
11:09
Deep Brain Stimulation with Simultaneous fMRI in Rodents
Published on: February 15, 2014
14.1K
Subthalamic stimulation modulates context-dependent effects of beta bursts during fine motor control
Manuel Bange1, Gabriel Gonzalez-Escamilla1, Damian M Herz1,2
1Section of Movement Disorders and Neurostimulation, Department of Neurology, Focus Program Translational Neuroscience (FTN), University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.
Nature Communications
|April 11, 2024
Summary
Beta bursts play a role in fine motor control and Parkinson's disease. Deep brain stimulation targeting the subthalamic nucleus improved motor function by modulating these beta bursts during drawing tasks.
Area of Science:
- Neuroscience
- Motor Control
- Parkinson's Disease Research
Background:
- Pre-movement beta bursts are implicated in motor control and Parkinson's disease (PD).
- The role of beta bursts during precise, prolonged movements and their impact on fine motor control remain unclear.
Purpose of the Study:
- To investigate the role of within-movement beta bursts in fine motor control during drawing tasks in Parkinson's disease patients.
- To assess the effects of deep brain stimulation (DBS) on beta bursts and motor performance.
Main Methods:
- Invasive electrophysiological recordings and subthalamic nucleus (STN) deep brain stimulation (DBS) in 19 PD patients.
- Patients performed template-guided and free spiral drawing tasks.
- Analysis of beta burst amplitude, duration, and impact on drawing speed and acceleration.
Main Results:
- Beta bursts occurred during drawing with reduced amplitude and duration compared to rest.
- Free drawing revealed beta bursts paralleled by reduced acceleration.
- STN-DBS increased acceleration around beta bursts, enhanced drawing velocity, and improved clinical function.
Conclusions:
- Subthalamic beta bursts have a diverse, task-specific role in fine motor control in Parkinson's disease.
- Pathological beta bursts in PD act context-dependently and can be modulated by STN-DBS for therapeutic benefit.
