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[皮质神经元的自发活动水平及对树突和胞体局部供应氨基酸的锋电位反应]

[Spontaneous activity level and spike responses of cortical neurons to local supply of amino acids for dendrites and soma].

作者信息

Mednikova Iu S, Kopytova F V, Zhadin M N

出版信息

Ross Fiziol Zh Im I M Sechenova. 2008 May;94(5):502-11.

PMID:18669355
Abstract

In guinea-pig parietal cortex slices, it was shown that neuronal spontaneous activity depended on dendro-somatic propagation of excitations evoked in dendrites. The functional dendritic properties are essentially non-uniform in the population of cortical neurons. Spike responses to direct soma activations are quite stable among neurons with various levels of spontaneous activity.

摘要

在豚鼠顶叶皮层切片中发现，神经元的自发活动依赖于树突中诱发的兴奋向胞体的传播。在皮层神经元群体中，树突的功能特性本质上是不均匀的。对于直接刺激胞体所产生的峰电位反应，在具有不同自发活动水平的神经元之间相当稳定。

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