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[去小脑后运动发生器传出活动定量特征的变化]

[Changes in quantitative characteristics of the efferent activity of the locomotor generator after decerebellation].

作者信息

Degtiarenko A M

出版信息

Neirofiziologiia. 1991;23(2):142-51.

PMID:1876206
Abstract

Quantitative changes of efferent activity parameters of the locomotor generators of hindlimbs were investigated after decerebellation on the decerebrated immobilized cats. Removal of modulating influences of the cerebellum on nuclei of descending systems caused an insignificant increase in the activity of the generator half-centre, increased instability of the generator functioning, diminished the statistical dependence between changes in parameters of the activity of the generator half-centres and strengthened the generators' sensitivity to afferent signals. The functional significance of descending signals in functioning of the locomotor and scratch generators is discussed.

摘要

在去大脑固定的猫身上进行小脑切除术后,研究了后肢运动发生器传出活动参数的定量变化。去除小脑对下行系统核团的调节影响,导致发生器半中枢活动略有增加,发生器功能的不稳定性增加,发生器半中枢活动参数变化之间的统计相关性减弱,并且增强了发生器对传入信号的敏感性。讨论了下行信号在运动发生器和搔抓发生器功能中的功能意义。

相似文献

1
[Changes in quantitative characteristics of the efferent activity of the locomotor generator after decerebellation].[去小脑后运动发生器传出活动定量特征的变化]
Neirofiziologiia. 1991;23(2):142-51.
2
[Changes in the quantitative characteristics of the efferent activity of the scratching generator when the influence of the descending systems is removed].[去除下行系统影响时搔抓发生器传出活动定量特征的变化]
Neirofiziologiia. 1990;22(1):123-31.
3
[Rearrangements of efferent activity parameters in generators of cyclic motor reactions during electric stimulation of cerebellum inputs and outputs in the cat].
Neirofiziologiia. 1992;24(2):131-40.
4
[Rearrangement of efferent activity of a locomotor generator controlling forelimb movements during electric stimulation of descending systems].[在下行系统电刺激期间,控制前肢运动的运动发生器传出活动的重排]
Neirofiziologiia. 1991;23(6):704-8.
5
[Interrelation of the kinematics of hindlimb movement and efferent activity in the decerebrate cat during scratching].[去大脑猫搔抓时后肢运动的运动学与传出活动的相互关系]
Neirofiziologiia. 1987;19(4):525-33.
6
[Restructuring of the efferent activity of the scratching generator due to cyclic shifting of the position of the hindlimb in the decerebrate immobilized cat].[去大脑固定猫后肢位置周期性改变引起搔抓发生器传出活动的重构]
Neirofiziologiia. 1987;19(4):443-9.
7
[Rearrangement of the efferent activity of a locomotor generator under electric activation of descending systems in immobilized cats].[固定猫中下行系统电激活下运动发生器传出活动的重排]
Neirofiziologiia. 1991;23(2):151-60.
8
[Readjustment of the efferent activity of the scratching generator in response to stimulation of cutaneous afferents of the hindlimb of the decerebrate immobilized cat].[去大脑固定猫后肢皮肤传入神经刺激引起搔抓发生器传出活动的重新调整]
Neirofiziologiia. 1987;19(3):382-90.
9
[Relation between parameters of efferent activity and limb position during fictive scratching in the decerebrate cat].[去大脑猫在虚构抓挠过程中传出活动参数与肢体位置的关系]
Neirofiziologiia. 1986;18(5):636-45.
10
[Readjustment of the efferent activity of the scratching generator in response to stimulation of muscle afferents of the hindlimb of the decerebrate immobilized cat].[去大脑固定猫后肢肌肉传入神经刺激后搔抓发生器传出活动的重新调整]
Neirofiziologiia. 1987;19(3):372-82.

引用本文的文献

1
Electrophysiological representation of scratching CpG activity in the cerebellum.小脑搔抓 CpG 活动的电生理表现
PLoS One. 2014 Oct 28;9(10):e109936. doi: 10.1371/journal.pone.0109936. eCollection 2014.