Abstract
The aim of this study was to find whether 1-Hz cerebellar repetitive transcranial magnetic stimulation (rTMS) could affect upper limb movement in early-stage Parkinson's disease (PD). Twenty patients with PD underwent one session with real and one with sham rTMS. rTMS (1 Hz, 600 pulses) was targeted at the right lateral cerebellum. Before and after rTMS, patients performed two motor tests with their fingers and hands (ball test, nine-hole peg test). The duration of these tests was measured. There were statistically significant differences (p < 0.05) in the results of the tests after real stimulation and sham stimulation. We excluded the impact of learning. After real rTMS, we observed a significantly faster response in the ball test and a slower response in the nine-hole peg test, both on the right upper limb. This study indicates the influence of 1-Hz cerebellar rTMS in modifying the voluntary movements of the upper limb in PD. This influence is differentiated: the improvement of gross motor skills and the worsening of fine motor skills.
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Abbreviations
- ICI:
-
Intracortical inhibition
- ICF:
-
Intracortical facilitation
- ISI:
-
Interstimulus interval
- MEP:
-
Motor-evoked potentials
- PD:
-
Parkinson's disease
- rTMS:
-
Repetitive transcranial magnetic stimulation
- SD:
-
Standard deviation
- TMS:
-
Transcranial magnetic stimulation
- UPDRS:
-
Unified Parkinson's Disease Rating Scale
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Acknowledgements
The authors thank our colleagues Marie Kopíčková, Eva Cejpková, Mgr. Martina Tarasová, Ph.D., Ing. Michal Mikl, Ph.D., Ing. Pavel Daniel, Petra Krainerová, Anna Hlučková, PhDr. Petra Bartoňová, Ph.D., Mgr. Radka Kubíková, Mgr. Zuzana Hummelová (Fanfrdlová), MUDr. Marek Baláž, Ph.D. and MUDr. Hana Srovnalová from the First Department of Neurology, St. Anne's University Hospital and School of Medicine in Brno for their cooperation and assistance in the implementation of transcranial magnetic stimulation. We also thank MUDr. Alexandra Minksová for her help with editing the data and text and above all for creating the conditions for writing this article.
Funding organizations
This study was supported by MSM0021622404 from the Ministry of Education, Youth and Sports of the Czech Republic.
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Minks, E., Mareček, R., Pavlík, T. et al. Is the Cerebellum a Potential Target for Stimulation in Parkinson's Disease? Results of 1-Hz rTMS on Upper Limb Motor Tasks. Cerebellum 10, 804–811 (2011). https://doi.org/10.1007/s12311-011-0290-1
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DOI: https://doi.org/10.1007/s12311-011-0290-1