Journal
JOURNAL OF PHYSIOLOGY-PARIS
Volume 101, Issue 1-3, Pages 78-98Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jphysparis.2007.10.008
Keywords
spike train distribution; first passage time; noisy integrate-and-fire neurons; stochastic calculus
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We discuss the statistics of spikes trains for different types of integrate-and-fire neurons and different types of synaptic noise models. In contrast with the usual approaches in neuroscience, mainly based on statistical physics methods such as the Fokker-Planck equation or the mean-field theory, we chose the point of the view of the stochastic calculus theory to characterize neurons in noisy environments. We present four stochastic calculus techniques that can be used to find the probability distributions attached to the spikes trains. We illustrate the power of these techniques for four types of widely used neuron models. Despite the fact that these techniques are mathematically intricate we believe that they can be useful for answering questions in neuroscience that naturally arise from the variability of neuronal activity. For each technique we indicate its range of applicability and its limitations. (C) 2007 Published by Elsevier Ltd.
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