Parameters of the diffusion leaky integrate-and-fire neuronal model for a slowly fluctuating signal

U Picchini, S Ditlevsen, A De Gaetano… - Neural computation, 2008 - direct.mit.edu
Stochastic leaky integrate-and-fire (LIF) neuronal models are common theoretical tools for
studying properties of real neuronal systems. Experimental data of frequently sampled …

Fokker–Planck and Fortet equation-based parameter estimation for a leaky integrate-and-fire model with sinusoidal and stochastic forcing

A Iolov, S Ditlevsen, A Longtin - The Journal of Mathematical …, 2014 - Springer
Abstract Analysis of sinusoidal noisy leaky integrate-and-fire models and comparison with
experimental data are important to understand the neural code and neural synchronization …

Estimating nonstationary input signals from a single neuronal spike train

H Kim, S Shinomoto - Physical Review E—Statistical, Nonlinear, and Soft …, 2012 - APS
Neurons temporally integrate input signals, translating them into timed output spikes.
Because neurons nonperiodically emit spikes, examining spike timing can reveal …

Markov chain approximation algorithm for event-based state estimation

S Lee, W Liu, I Hwang - IEEE Transactions on Control Systems …, 2014 - ieeexplore.ieee.org
This brief presents a general framework for the continuous-time nonlinear event-based state
estimation problem. Using the information from observations made by event-based …

On the first-passage time problem for a Feller-type diffusion process

V Giorno, AG Nobile - Mathematics, 2021 - mdpi.com
We consider the first-passage time problem for the Feller-type diffusion process, having
infinitesimal drift B 1 (x, t)= α (t) x+ β (t) and infinitesimal variance B 2 (x, t)= 2 r (t) x, defined …

[HTML][HTML] Transient dynamics of Pearson diffusions facilitates estimation of rate parameters

S Ditlevsen, AC Rubio, P Lansky - Communications in Nonlinear Science …, 2020 - Elsevier
Estimation of parameters in stochastic processes has been thoroughly investigated for
decades and the asymptotic properties of the estimators are known. However, reaching the …

[PDF][PDF] Banki működési kockázat elemzése–katasztrófamodellezés

HDB GÁBOR - Hitelintézeti szemle, 2007 - bankszovetseg.hu
Napjainkban a pénzügyi intézmények, a szabályozás követelményeinek és a belső
motivációs erőknek köszönhetően, egyre intenzívebben foglalkoznak kockázataikkal. Az …

Applications of the reflected Ornstein-Uhlenbeck process

W Ha - 2009 - search.proquest.com
Abstract An Ornstein-Uhlenbeck process is the most basic mean-reversion model and has
been used in various fields such as finance and biology. In some instances, reflecting …

Improved simulation techniques for first exit time of neural diffusion models

H Alzubaidi, T Shardlow - Communications in Statistics-Simulation …, 2014 - Taylor & Francis
We consider the fixed and exponential time-stepping Euler algorithms, with boundary tests,
to calculate the mean first exit times (MFET) of two one-dimensional neural diffusion models …

Responses of leaky integrate-and-fire neurons to a plurality of stimuli in their receptive fields

K Li, C Bundesen, S Ditlevsen - The Journal of Mathematical …, 2016 - Springer
A fundamental question concerning the way the visual world is represented in our brain is
how a cortical cell responds when its classical receptive field contains a plurality of stimuli …