Events associated with conduction failure in nerve fibers.

Events associated with conduction failure in nerve fibers.
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与神经纤维传导失败相关的事件。

DOI:
10.1002/jcp.1030360105
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发表时间:
1950
影响因子:
--
通讯作者:
R. Turner
R. Turner
中科院分区:
--
文献类型:
--
作者:
T. Bullock;R. Turner

文献摘要

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相似文献

尽管有大量关于兴奋在神经纤维中传播的信息,但很少有活动单位,即单个冲动,在一个相当长的距离内在单个纤维中被跟踪。本文所描述的现象是在2对、3对或4对电极同时记录的过程中或为了识别它们所需要的,相应地,单个脉冲在一段距离内被密切跟踪。通常,当它在神经纤维的一厘米或更长的长度上以1至2 mm的间隔通过电极时,它是可视化的。这已经与重复刺激相结合,有时施加电极化以使给定区域在重复骨水泥下易于失败。正是在进行性(但可逆的)疲劳阶段,这些cm-延展性的变化中的大多数都是1。我被看见了。这里将描述如下:单向阻断,在放电后实施,
In spite of a large body of information abont the propagation of excitation in nerve fiber, very seldom has the unit of activity, the single impulse, been followed in a single fiber over any considerable distancc. Korrnally it has been observed as it passes a pair of points occupied by recording electrodes.The phenomena to be described in the present paper have been ericouritercd during or have required for their recognition simultaneous recording from 2, 3, or 4 pairs of electrodes and, correspondingly, the single impulse lias been closely followed over sorile distance. Typically, it lias been visualized as it passes electrodes 1 to 2 mm apart over a centimeter or more of length of the nerve fiber. This has been combirietl with repetitiw stimulation and sometimes imposed electrical polarization to predispose a given region to failure under repetitive bonibardineiit. It is during the stages of progressive (but reversible) fatigue that most of these arioiiialics of cm-ductioii 1. ia1-e been seen. There tvill be here described tlie following: one-way block, impnl~ e-trig::# ered after-discharge,