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Clinical Trial Summary

The purpose of this study is to investigate the effects of transcranial magnetic stimulation (TMS) on motor cortex excitability in individuals who have suffered stroke and to study the influence of the phase of the oscillatory rhythm (mu frequency) on motor excitability in stroke individuals.


Clinical Trial Description

Neurological disorders, including stroke, are associated with impaired movement leading to significant negative effects on quality of life. Transcranial magnetic stimulation (TMS) is increasingly being explored as a rehabilitation strategy to enhance plasticity in motor regions. However, it is not yet fully understood how TMS acts on motor circuits and what optimal stimulation parameters are. TMS is a noninvasive neuromodulation method which enables in vivo perturbation of neural activity in humans through the application of electromagnetic fields to the brain. TMS has an established safety profile and has been explored extensively in clinical trials for a range of neurological and psychiatric disorders. Particularly, in potential positive effects of TMS have been identified for stroke rehabilitation. However, significant variability in treatment outcomes across patients has been found, making it necessary to improve current stimulation protocols and to investigate basic mechanism of action . The investigators plan to study the effects of TMS to the motor cortex in individuals who suffered stroke for movement rehabilitation. The investigators plan to measure motor evoked potentials (MEPs) at different phases of the motor mu-rhythm measured with EEG. Mu rhythms are related to healthy movement execution. By this, the investigators characterize phase-dependent cortical excitability differences in stroke. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04968743
Study type Interventional
Source University of Minnesota
Contact Alexander Opitz, PhD
Phone (612)-624-1094
Email aopitz@umn.edu
Status Recruiting
Phase N/A
Start date October 1, 2021
Completion date October 2024

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