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本文引用的文献

1
On the origins of dorsal root potentials.论背根电位的起源
J Gen Physiol. 1949 Mar 20;32(4):409-43. doi: 10.1085/jgp.32.4.409.
2
Post-tetanic potentiation of response in monosynaptic reflex pathways of the spinal cord.脊髓单突触反射通路中反应的强直后增强。
J Gen Physiol. 1949 Nov;33(2):147-70. doi: 10.1085/jgp.33.2.147.
3
A statistical analysis of synaptic excitation.突触兴奋的统计分析
J Cell Comp Physiol. 1949 Oct;34(2):173-205. doi: 10.1002/jcp.1030340202.
4
Monosynaptic reflex response of individual motoneurons as a function of frequency.单个运动神经元的单突触反射反应与频率的函数关系。
J Gen Physiol. 1957 Jan 20;40(3):435-50. doi: 10.1085/jgp.40.3.435.
5
Reflex depression in rhythmically active monosynaptic reflex pathways.节律性活动的单突触反射通路中的反射性抑制
J Gen Physiol. 1957 Jan 20;40(3):409-26. doi: 10.1085/jgp.40.3.409.
6
Reflex rebound by post-tetanic potentiation; temporal summation-spasticity.强直后增强引起的反射性反弹；时间总和——痉挛
J Physiol. 1956 Jan 27;131(1):32-51. doi: 10.1113/jphysiol.1956.sp005442.
7
Monosynaptic reflex response of spinal motoneurons to graded afferent stimulation.脊髓运动神经元对分级传入刺激的单突触反射反应。
J Gen Physiol. 1955 Jul 20;38(6):813-52. doi: 10.1085/jgp.38.6.813.
8
Transmitter potentiality of homonymous and heteronymous monosynaptic reflex connections of individual motoneurons.单个运动神经元的同名和异名单突触反射连接的递质潜力。
J Gen Physiol. 1955 Jul 20;38(6):789-99. doi: 10.1085/jgp.38.6.789.
9
Transmission in fractionated monosynaptic spinal reflex systems.在分级单突触脊髓反射系统中的传导
J Gen Physiol. 1955 Jan 20;38(3):307-17. doi: 10.1085/jgp.38.3.307.
10
Activity of single neurons in the tactile thalamic region of the cat in response to a transient peripheral stimulus.猫的触觉丘脑区域单个神经元对短暂外周刺激的反应活动。
Bull Johns Hopkins Hosp. 1954 May;94(5):238-82.

节律性活动的单突触反射通路中的时间总和

Temporal summation in rhythmically active monosynaptic reflex pathways.

作者信息

LLOYD D P

出版信息

J Gen Physiol. 1957 Jan 20;40(3):427-34. doi: 10.1085/jgp.40.3.427.

DOI:10.1085/jgp.40.3.427
PMID:13398573
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2147631/
Abstract

Monosynaptic reflex responses elicited by repetitive stimulation in the frequency range between 60 and 100 per second yield evidence of temporal summation. The relation between stimulus interval and mean monosynaptic reflex response in the steady state at the frequencies studied is described adequately by an exponential decaying to 1/e in 4 msec. Since the temporal course of spatial summation is described adequately by the same exponential it is concluded that the two phenomena, temporal and spatial, are expressions of the same fundamental process intrinsic to the workings of the monosynaptic reflex pathway, to wit the synaptic potential-residual facilitation mechanism of prior descriptions. Some discussion of implications is appended.

摘要

每秒60至100次频率范围内的重复刺激所引发的单突触反射反应，显示出时间总和的证据。在所研究的频率下，稳态时刺激间隔与平均单突触反射反应之间的关系可以用一个在4毫秒内衰减至1/e的指数函数来充分描述。由于空间总和的时间进程也可以用相同的指数函数来充分描述，因此可以得出结论，时间总和与空间总和这两种现象，是单突触反射通路运作中内在的同一基本过程的表现，即先前描述中的突触电位-残余易化机制。文末附加了一些关于其意义的讨论。