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Providing an analytical treatment to the stochastic feature of neurons' dynamics is one of the current biggest challenges in mathematical biology. The noisy leaky integrate-and-fire model and its associated Fokker-Planck equation are…

神经元与认知 · 定量生物学 2015-12-14 Grégory Dumont , Jacques Henry , Carmen Oana Tarniceriu

In this work, the primary goal is to establish rigorous connection between the Fokker-Planck equation of neural networks with its microscopic model: the diffusion-jump stochastic process that captures the mean field behavior of collections…

偏微分方程分析 · 数学 2021-11-01 Jian-guo Liu , Ziheng Wang , Yuan Zhang , Zhennan Zhou

The Nonlinear Noisy Leaky Integrate and Fire neuronal models are mathematical models that describe the activity of neural networks. These models have been studied at a microscopic level, using Stochastic Differential Equations, and at a…

神经元与认知 · 定量生物学 2020-11-12 María J. Cáceres , Alejandro Ramos-Lora

We propose another integrate-and-fire model as a single neuron model. We study a globally coupled noisy integrate-and-fire model with inhibitory interaction using the Fokker-Planck equation and the Langevin equation, and find a reentrant…

神经元与认知 · 定量生物学 2009-11-11 H. Sakaguchi , S. Tobiishi

In this work, we consider the Fokker-Planck equation of the Nonlinear Noisy Leaky Integrate-and-Fire (NNLIF) model for neuron networks. Due to the firing events of neurons at the microscopic level, this Fokker-Planck equation contains…

数值分析 · 数学 2023-05-02 Pei Zhang , Yanli Wang , Zhennan Zhou

In the mean field integrate-and-fire model, the dynamics of a typical neuron within a large network is modeled as a diffusion-jump stochastic process whose jump takes place once the voltage reaches a threshold. In this work, the main goal…

概率论 · 数学 2021-02-19 Jian-Guo Liu , Ziheng Wang , Yantong Xie , Yuan Zhang , Zhennan Zhou

In the mean field integrate-and-fire model, the dynamics of a typical neuron within a large network is modeled as a diffusion-jump stochastic process whose jump takes place once the voltage reaches a threshold. In this work, the main goal…

概率论 · 数学 2023-06-22 Jian-Guo Liu , Ziheng Wang , Yantong Xie , Yuan Zhang , Zhennan Zhou

Nonlinear Noisy Leaky Integrate and Fire (NNLIF) models for neurons networks can be written as Fokker-Planck-Kolmogorov equations on the probability density of neurons, the main parameters in the model being the connectivity of the network…

神经元与认知 · 定量生物学 2010-10-25 María J. Cáceres , José A. Carrillo , Benoît Perthame

Many systems of partial differential equations have been proposed as simplified representations of complex collective behaviours in large networks of neurons. In this survey, we briefly discuss their derivations and then review the…

偏微分方程分析 · 数学 2025-01-13 José A Carrillo , Pierre Roux

In this work, we are concerned with the Fokker-Planck equations associated with the Nonlinear Noisy Leaky Integrate-and-Fire model for neuron networks. Due to the jump mechanism at the microscopic level, such Fokker-Planck equations are…

数值分析 · 数学 2020-10-12 Jingwei Hu , Jian-Guo Liu , Yantong Xie , Zhennan Zhou

In this work, we are concerned with a Fokker-Planck equation related to the nonlinear noisy leaky integrate-and-fire model for biological neural networks which are structured by the synaptic weights and equipped with the Hebbian learning…

数值分析 · 数学 2022-06-28 Qing He , Jingwei Hu , Zhennan Zhou

This paper concerns the proof of the exponential rate of convergence of the solution of a Fokker-Planck equation, with a drift term not being the gradient of a potential function and endowed by Robin type boundary conditions. This kind of…

偏微分方程分析 · 数学 2016-03-24 J-A Carrillo , Simona Mancini , M. -B Tran

In this paper we analyze the global existence of classical solutions to the initial boundary-value problem for a nonlinear parabolic equation describing the collective behavior of an ensemble of neurons. These equations were obtained as a…

偏微分方程分析 · 数学 2011-09-08 José A. Carrillo , María d. M. González , Maria P. Gualdani , Maria E. Schonbek

We consider a pair of stochastic integrate and fire neurons receiving correlated stochastic inputs. The evolution of this system can be described by the corresponding Fokker-Planck equation with non-trivial boundary conditions resulting…

神经元与认知 · 定量生物学 2010-12-14 Robert Rosenbaum , Jianfu Ma , Fabien Marpeau , Aditya Barua , Kresimir Josic

We study the joint dynamics of membrane potential and time since the last spike in a population of integrate-and-fire neurons using a population density framework. This leads to a two-dimensional Fokker-Planck equation that captures the…

无序系统与神经网络 · 物理学 2026-01-01 Luca Falorsi , Gianni V. Vinci , Maurizio Mattia

The construction of transfer functions in theoretical neuroscience plays an important role in determining the spiking rate behavior of neurons in networks. These functions can be obtained through various fitting methods, but the biological…

神经元与认知 · 定量生物学 2023-05-25 Marcelo P. Becker , Marco A. P. Idiart

Firing rate fluctuations in neural populations are observed experimentally over multiple time scales, in single neurons, across trials when elicited by stimuli, and across populations. In this work, we examine how firing rate fluctuations…

神经元与认知 · 定量生物学 2026-05-15 Wilten Nicola , Sue Ann Campbell

The voltage-conductance kinetic equation for integrate and fire neurons has been used in neurosciences since a decade and describes the probability density of neurons in a network. It is used when slow conductance receptors are activated…

偏微分方程分析 · 数学 2013-10-11 Benoit Perthame , Delphine Salort

The integrate and fire equation is a classical model for neural assemblies which can exhibit finite time blow-up. A major open problem is to understand how to continue solutions after blow-up. Here we study an approach based on random…

偏微分方程分析 · 数学 2024-09-24 Xu'An Dou , Benoît Perthame , Delphine Salort , Zhennan Zhou

Gaussian white noise is frequently used to model fluctuations in physical systems. In Fokker-Planck theory, this leads to a vanishing probability density near the absorbing boundary of threshold models. Here we derive the boundary condition…

定量方法 · 定量生物学 2010-09-17 M. Helias , M. Deger , S. Rotter , M. Diesmann
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