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Cortical potentials preceding voluntary finger movement in patients with focal cerebellar lesion.

作者信息

Kitamura J, Shabasaki H, Terashi A, Tashima K

机构信息

Rehabilitation Center, Chiba-Hokusoh Hospital of Nippon Medical School, Inba, Chiba, Japan.

出版信息

Clin Neurophysiol. 1999 Jan;110(1):126-32. doi: 10.1016/s0168-5597(98)00052-5.

DOI:10.1016/s0168-5597(98)00052-5
PMID:10348331
Abstract

OBJECTIVE

To elucidate influences of the dentate nucleus on the generation of the related cortical potentials (MRCPs) preceding voluntary movement, Bereitschaftspotential (BP) and negative slope (NS).

DESIGN AND METHODS

MRCPs preceding self-paced voluntary finger movement were recorded in 5 cases with localized cerebellar lesions due to stroke or tumor. Comparing 3 of them involving the dentate nucleus and 2 others sparing it, as judged from CT or MRI findings.

RESULTS

BP and NS preceding voluntary finger movement ipsilateral to the lesion were absent or markedly reduced in amplitude in those 3 cases with the dentate nucleus lesion, whereas those negative components were present in the 2 cases with no evidence of dentate lesion.

CONCLUSION

The dentate nucleus has a facilitatory effect on the generation of BP and NS.

摘要

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