Title |
Cortical disinhibition occurs in chronic neuropathic, but not in chronic nociceptive pain
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Published in |
BMC Neuroscience, June 2010
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DOI | 10.1186/1471-2202-11-73 |
Pubmed ID | |
Authors |
Peter Schwenkreis, Andrea Scherens, Anne-Kathrin Rönnau, Oliver Höffken, Martin Tegenthoff, Christoph Maier |
Abstract |
The aim of this study was to examine the relationship between chronic neuropathic pain after incomplete peripheral nerve lesion, chronic nociceptive pain due to osteoarthritis, and the excitability of the motor cortex assessed by transcranial magnetic stimulation (TMS). Hence in 26 patients with neuropathic pain resulting from an isolated incomplete lesion of the median or ulnar nerve (neuralgia), 20 patients with painful osteoarthritis of the hand, and 14 healthy control subjects, the excitability of the motor cortex was tested using paired-pulse TMS to assess intracortical inhibition and facilitation. These excitability parameters were compared between groups, and the relationship between excitability parameters and clinical parameters was examined. |
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