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[无强化光刺激期间猫脑多神经元活动和生物电电位中超慢振荡的动力学]

[The dynamics of superslow oscillations in multineuronal activity and bioelectrical potentials of the cat brain during unreinforced photic stimulation].

作者信息

Lavrov V V

出版信息

Fiziol Zh SSSR Im I M Sechenova. 1989 Jul;75(7):890-8.

PMID:2806663
Abstract

The slow changes of the electrocorticogram, the multineuronal activity, the cortical EEG and the cat behaviour were simultaneously observed in chronic experiments before and after light stimulation of different intensity. The slow electrical potentials correlated with changes in the multineuronal activity, the correlation increasing with the amount of recorded neurons. A different character of the slow changes in electrogram (synchronization and desynchronization) and multineuronal activity (excitation and inhibition) in response to the light stimuli, was revealed. The slow electrophysiological processes seem to depend on the light intensity to a lesser extent than the EEG reactions.

摘要

在慢性实验中,在不同强度光刺激前后,同时观察了皮质电图的缓慢变化、多神经元活动、皮质脑电图和猫的行为。缓慢电位与多神经元活动的变化相关,随着记录神经元数量的增加,这种相关性增强。揭示了对光刺激的电活动图(同步化和去同步化)和多神经元活动(兴奋和抑制)的缓慢变化的不同特征。缓慢的电生理过程似乎比脑电图反应在较小程度上依赖于光强度。

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引用本文的文献

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Cyclical processes in neuronal populations of the cat somatosensory cortex during extero- and interoceptive activation and in the course of its extinction.猫体感皮层神经元群在外感受性和内感受性激活期间及其消退过程中的周期性过程。
Neurosci Behav Physiol. 1993 Jan-Feb;23(1):66-75. doi: 10.1007/BF01182641.