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脑干或小脑病变患者的三赫兹姿势性振荡。

Three-Hertz postural oscillation in patients with brain stem or cerebellar lesions.

作者信息

Hayashi R, Tako K, Tokuda T, Yanagisawa N

机构信息

Department of Medicine (Neurology), Shinshu University School of Medicine, Nagano, Japan.

出版信息

Electromyogr Clin Neurophysiol. 1997 Oct;37(7):431-4.

PMID:9402432
Abstract

Postural instability was quantitatively studied in patients with lesions in the 1) pontine tegmentum, 2) deep cerebellar nuclei, or 3) cerebellar hemisphere. As compared to controls, patients with each lesion demonstrated a characteristic 3 Hertz (Hz) body oscillation. Cross-correlation functions revealed a strong correlation between the body sway and activities in the lower leg muscles. Based on these findings, we conclude that the 3 Hz body oscillation may be the result of any disturbance in the loop of long-latency reflexes mediated by the cerebellum.

摘要

对1)脑桥被盖、2)小脑深部核团或3)小脑半球有病变的患者进行了姿势不稳的定量研究。与对照组相比,每个病变的患者均表现出特征性的3赫兹(Hz)身体摆动。互相关函数显示身体摆动与小腿肌肉活动之间存在强相关性。基于这些发现,我们得出结论,3 Hz身体摆动可能是小脑介导的长潜伏期反射环路中任何干扰的结果。

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