ABNORMALITIES OF PARIETAL AND PREROLANDIC SOMATOSENSORY EVOKED-POTENTIALS IN HUNTINGTONS-DISEASE

被引：59

作者：

ABBRUZZESE, G ^{[1
]}

DALLAGATA, D ^{[1
]}

MORENA, M ^{[1
]}

RENI, L ^{[1
]}

FAVALE, E ^{[1
]}

机构：

[1] UNIV GENOA,DEPT NEUROL,I-16132 GENOA,ITALY

来源：

ELECTROENCEPHALOGRAPHY AND CLINICAL NEUROPHYSIOLOGY | 1990年 / 77卷 / 05期

关键词：

Central conduction time; Huntington's disease; Parietal pattern; Prerolandic pattern; Somatosensory evoked potentials;

D O I：

10.1016/0168-5597(90)90055-I

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Cervical, parietal and prerolandic somatosensory evoked potentials (SEPs) to median nerve stimulation at the wrist were recorded with an earlobe reference in 24 patients with Huntington's disease (HD) and in 24 age-matched normal controls. Cortical responses of abnormal wave form and reduced amplitude were constantly observed in HD patients. SEP changes affected more severely the prerolandic (P22/N30) pattern, which could not be recognized in two-thirds of patients, than the parietal (N20/P27) pattern, which could be identified in all cases. The N20 latency and the central conduction time (N13-N20 interval) were significantly increased. The occurrence of abnormalities of central conduction and of a predominant involvement of the prerolandic SEP pattern suggests an impairment of impulse transmission along the somatosensory lemniscal pathway at subcortical, possibly thalamic, level in HD. © 1990.

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页码：340 / 346

页数：7

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