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[猫运动皮层神经元活动中爪子在支撑物上条件反射放置阶段的反映]

[Reflection of the phases of conditioned reflex placing of the paw on a support in the activity of motor cortex neurons in cats].

作者信息

Sidorov B M, Shul'govskiĭ V V, Kotliar B I, Moskvitin A A

出版信息

Zh Vyssh Nerv Deiat Im I P Pavlova. 1979 Mar-Apr;29(2):253-60.

PMID:452715
Abstract

In four cats trained to respond with the placing of a fore-leg on a support to both tactile stimulation of the leg and to electrostimulation of the primary motor and sensory cortical areas, of the ventral posterolateral nucleus of the thalamus and of cerebral peduncles, the activity of 77 cortical neurones in the area of motor representation of anterior contralateral extremity was studied before the conditioned movements and during them. The pattern of activity in approximately 83.9% of the studied neurones 200 s before the instrumental placing movement was constant for this movement and did not depend on the type of its trigger (p = 0.01). The activity of such neurones probably reflects the formation of the program of the forthcoming movement at the motor cortex level.

摘要

在四只经过训练的猫中,当对其腿部进行触觉刺激以及对初级运动和感觉皮层区域、丘脑腹后外侧核和脑桥进行电刺激时,猫会通过将前肢放在支撑物上来做出反应。在此条件下,研究了对侧前肢运动代表区77个皮层神经元在条件运动前和运动过程中的活动。在工具性放置运动前200秒,约83.9%的被研究神经元的活动模式对于该运动是恒定的,且不依赖于其触发类型(p = 0.01)。此类神经元的活动可能反映了运动皮层水平上即将发生的运动程序的形成。

相似文献

1
[Reflection of the phases of conditioned reflex placing of the paw on a support in the activity of motor cortex neurons in cats].[猫运动皮层神经元活动中爪子在支撑物上条件反射放置阶段的反映]
Zh Vyssh Nerv Deiat Im I P Pavlova. 1979 Mar-Apr;29(2):253-60.
2
The effects of cerebral sensory and motor cortical lesions on conditioned tactile placing in cats with pyramid section.
Acta Neurobiol Exp (Wars). 1983;43(1):37-43.
3
Reflection of phases of conditioned reflex limb placing on a support by cats in motor cortical unit activity.猫在运动皮层单位活动中条件反射性肢体放置于支撑物上各阶段的反映。
Neurosci Behav Physiol. 1980 Nov-Dec;10(6):534-9. doi: 10.1007/BF01195527.
4
[Conditioned reflex leg placing reaction induced by stimulation of brain structures].[脑结构刺激诱发的条件反射性腿部放置反应]
Zh Vyssh Nerv Deiat Im I P Pavlova. 1978 Sep-Oct;28(5):939-47.
5
Changes in electrical thresholds for evoking movements from the cat cerebral cortex following lesions of the sensori-motor area.感觉运动区损伤后猫大脑皮层诱发运动的电阈值变化。
Somatosens Mot Res. 2004 Jun;21(2):117-36. doi: 10.1080/08990220410001721275.
6
[Participation of cat motor cortex neurons in the afferent reorganization of the "placing reaction"].[猫运动皮层神经元在“放置反应”传入性重组中的参与]
Zh Vyssh Nerv Deiat Im I P Pavlova. 1977 Sep-Oct;27(5):931-40.
7
[Dynamics of the impulse activity of somatosensory cortical neurons during conditioned instrumental reactions].
Zh Vyssh Nerv Deiat Im I P Pavlova. 1977 Jan-Feb;27(1):11-9.
8
[Spatial and temporal alterations of the electrophysiologic correlates of an instrumental conditioned reflex].
Zh Vyssh Nerv Deiat Im I P Pavlova. 1973 Mar-Apr;23(2):357-65.
9
[Responses of cat somatic cortex neurons during an instrumental placing reflex].[猫在工具性放置反射过程中躯体皮层神经元的反应]
Neirofiziologiia. 1982;14(4):392-401.
10
[Statistical analysis of the functional features of cat motor cortex neurons].[猫运动皮层神经元功能特征的统计分析]
Neirofiziologiia. 1979;11(3):201-7.

引用本文的文献

1
Responses of neurons of motor cortex during precision instrumental movements in cats.猫在精确工具性运动过程中运动皮层神经元的反应。
Neurosci Behav Physiol. 1983 Jul-Aug;13(4):307-11. doi: 10.1007/BF01150023.