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[不同复杂程度运动习惯学习过程中的条件性慢负电位]

[Conditioned slow negative potential during learning motor habits of different complexity].

作者信息

Mesarosh I, Pirogov A A, Batuev A S

出版信息

Zh Vyssh Nerv Deiat Im I P Pavlova. 1976 May-Jun;26(3):459-67.

PMID:941491
Abstract

CSNP dynamics was studied on 13 subjects in three experimental situations: 1) In combinations of acoustic and photic stimuli without performance of movements; 2) During the pressing of the palm at the moment of the anticipated photic stimulus; 3) After preliminary switching off of the photic stimulus. In the first situation CSNP does not appear; in the second, it has a maximum amplitude at the unitial stages of movement elaboration at a definite time interval, and in the third, CSNP amplitude does not decrease during 300 stimuli combinations. The CSNP amplitude, configuration and stability depend on the degree of complexity of the motor task. It has been assumed that CSNP reflects a non-specific activation of frontal and central parts of the human brain, against the background of which integration of sensory information takes place as well as the formation of a temporal program of the subsequent motor act.

摘要

在三种实验情况下对13名受试者的皮层慢电位(CSNP)动态进行了研究:1)在声刺激和光刺激组合且无运动执行时;2)在预期光刺激时刻按压手掌时;3)在预先关闭光刺激后。在第一种情况下,CSNP不出现;在第二种情况下,它在运动细化的初始阶段,在一定时间间隔内具有最大振幅,而在第三种情况下,在300次刺激组合期间CSNP振幅不降低。CSNP的振幅、形态和稳定性取决于运动任务的复杂程度。据推测,CSNP反映了人类大脑额叶和中央部分的非特异性激活,在此背景下发生感觉信息的整合以及后续运动行为时间程序的形成。

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1
[Conditioned slow negative potential during learning motor habits of different complexity].[不同复杂程度运动习惯学习过程中的条件性慢负电位]
Zh Vyssh Nerv Deiat Im I P Pavlova. 1976 May-Jun;26(3):459-67.
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