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arXiv 0809.4059q-bio.NCcs.ITmath.ITq-bio.QM
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振荡神经活动中的信息传递

Information transmission in oscillatory neural activity

Kilian Koepsell, Friedrich T. Sommer

摘要:

没有锁定到刺激或运动反应的周期性神经活动通常被忽略。在这里,我们提出了新的工具,用于建模和量化的信息传输的基础上定期神经活动发生的准随机相位相对于刺激。我们提出了一个模型来再现振荡脉冲序列的特征,如尖峰间间隔的直方图和尖峰对振荡影响的锁相。所提出的模型是基于一个非均匀伽马过程所管辖的密度函数,这是一个产品的通常的刺激依赖率和准周期函数。此外,我们提出了一种分析方法,推广的直接方法(Rieke等人,1999年; Brenner等人,2000年),以评估这些数据中的信息内容。我们证明这些工具的记录从中继细胞在外侧膝状体的猫。

英文摘要:

Periodic neural activity not locked to the stimulus or to motor responses is usually ignored. Here, we present new tools for modeling and quantifying the information transmission based on periodic neural activity that occurs with quasi-random phase relative to the stimulus. We propose a model to reproduce characteristic features of oscillatory spike trains, such as histograms of inter-spike intervals and phase locking of spikes to an oscillatory influence. The proposed model is based on an inhomogeneous Gamma process governed by a density function that is a product of the usual stimulus-dependent rate and a quasi-periodic function. Further, we present an analysis method generalizing the direct method (Rieke et al, 1999; Brenner et al, 2000) to assess the information content in such data. We demonstrate these tools on recordings from relay cells in the lateral geniculate nucleus of the cat.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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