| Effect of micro lesions of the basal ganglia on ballistic movements in patients with deep brain stimulation. | |
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MedLine Citation:
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PMID: 22075047 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Bradykinesia and hypokinesia are the prominent symptoms of substantia nigra degeneration in Parkinson's disease (PD). In segmental dystonia, movements of not affected limbs are not impaired. Here we studied the impact of the mere implantation of stimulation electrodes on the performance of fast movements in these two groups. We investigated 9 PD patients with subthalamic electrodes and 9 patients with segmental dystonia with electrodes in the globus pallidus internum. Patients were studied on the first postoperative day without electrical stimulation of the electrodes. Subjects had to perform boxing movements with either touching the target or stopping the fist in front of the target. PD subjects performed significantly faster movements in the touch-task only as compared to dystonic patients. No difference was seen in the stopping task. In conclusion, our findings suggest that a small subthalamic lesion in individuals with PD specifically reverses bradykinesia during simple ballistic movements (touch) but not during complex ones requiring more pre-programming (no-touch paradigm). |
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Authors:
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Arun Singh; Jan H Mehrkens; Kai Bötzel |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-8 |
Journal Detail:
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Title: Journal of the neurological sciences Volume: - ISSN: 1878-5883 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0375403 Medline TA: J Neurol Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier B.V. All rights reserved. |
Affiliation:
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Department of Neurology, Ludwig-Maximilian University, Munich, Germany; Graduate School of Systemic Neurosciences, Ludwig-Maximilian University, Munich, Germany. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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