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[暴露于高强度稳定磁场的家兔大脑生物电位背景及叠加节律变化的特征]

[The character of changes in the background and superimposed rhythmics of cerebral biopotentials in rabbits exposed to a steady magnetic field of high intensity].

作者信息

Smirnova N P, Klimovskaia L D

出版信息

Zh Vyssh Nerv Deiat Im I P Pavlova. 1976 Mar-Apr;26(2):403-10.

PMID:1274473
Abstract

During a total action of a static magnetic field (SMF) of 1000--4000 Oe, high-amplitude synchronized discharges appear in the electrograms of the cortical and subcortical parts of the rabbit brain. An automatic frequency analysis exhibits increased bioelectrical activity in the range of 8 to 30 c/s with no substantial changes in slower rhythms. The effect increases as the field becomes stronger. A SMF of 1000 Oe tends to facilitate the photic driving which persists as an after-effect. In SMF of 3000 Oe the driving reaction is weakened; it is rapidly restored after cessation of the SMF action.

摘要

在1000 - 4000奥斯特的静磁场(SMF)的总作用期间,兔脑皮质和皮质下部分的电图中出现高振幅同步放电。自动频率分析显示,在8至30赫兹范围内生物电活动增加,而较慢节律没有实质性变化。随着磁场变强,这种效应增强。1000奥斯特的静磁场倾向于促进光驱动,这种光驱动会作为后效应持续存在。在3000奥斯特的静磁场中,驱动反应减弱;在静磁场作用停止后,它会迅速恢复。

相似文献

1
[The character of changes in the background and superimposed rhythmics of cerebral biopotentials in rabbits exposed to a steady magnetic field of high intensity].[暴露于高强度稳定磁场的家兔大脑生物电位背景及叠加节律变化的特征]
Zh Vyssh Nerv Deiat Im I P Pavlova. 1976 Mar-Apr;26(2):403-10.
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Zh Vyssh Nerv Deiat Im I P Pavlova. 1973 Jul-Aug;23(4):823-31.
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引用本文的文献

1
Recovery cycles of brain evoked potentials in rats exposed to a constant magnetic field.暴露于恒定磁场的大鼠脑诱发电位的恢复周期
Neurosci Behav Physiol. 1981 Jan-Feb;11(1):49-53. doi: 10.1007/BF01349671.