A new pattern of neuronal firing in the suprachiasmatic nucleus in vitro and a possible mechanism which induces rhythmicity.

L Zhang, R Aguilar-Roblero, R A Barrio
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Abstract

Electrophysiological studies of neurons in the suprachiasmatic nucleus, of rat brain slices in vitro, reveal characteristic firing patterns which have been previously classified as regular, irregular and bursting. A new kind of neuronal firing is found, by means of an interspike interval distribution analysis. Based on these results a new classification scheme is suggested. A model to explain the presence of all the experimental patterns is delivered. The model not only suffices to infer the presence of regular oscillators, but also suggests interesting consequences concerning the components of the circadian system and their statistical behavior.

一种体外视交叉上核神经元放电的新模式及其诱发节律性的可能机制。
通过对体外大鼠脑片视交叉上核神经元的电生理研究,揭示了其特有的放电模式,这些模式以前被分为规则、不规则和爆裂。通过对脉冲间隔分布的分析,发现了一种新的神经元放电类型。在此基础上提出了一种新的分类方案。给出了一个解释所有实验模式存在的模型。该模型不仅足以推断出规则振荡的存在,而且还提出了有关昼夜节律系统组成部分及其统计行为的有趣结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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