Research Article

Cognitive Neurodynamics

, Volume 2, Issue 1, pp 21-27

First online:

The Cauchy problem for one-dimensional spiking neuron models

  • Romain BretteAffiliated withEquipe Odyssée (INRIA/ENS/ENPC), Département d’Informatique, Ecole Normale Supérieure Email author 

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Abstract

I consider spiking neuron models defined by a one-dimensional differential equation and a reset—i.e., neuron models of the integrate-and-fire type. I address the question of the existence and uniqueness of a solution on \({\mathbb{R}}\) for a given initial condition. It turns out that the reset introduces a countable and ordered set of backward solutions for a given initial condition. I discuss the implications of these mathematical results in terms of neural coding and spike timing precision.

Keywords

Integrate-and-fire Cauchy problem Spike timing precision Reliability Neuron models