Interspike Interval Statistics of Neurons Driven by Colored Noise

Overview

Journal Phys Rev E Stat Nonlin Soft Matter Phys

Publisher American Physical Society

Specialties Biophysics
Physiology
Public Health

Date 2004 Mar 5

PMID 14995506

Citations 28

Authors

Benjamin Lindner

Affiliations

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Abstract

A perfect integrate-and-fire model driven by colored noise is studied by means of the interspike interval (ISI) density and the serial correlation coefficient. Exact and approximate expressions for these functions are derived for weak dichotomous or Gaussian noise, respectively. It is shown that correlations in the input result in positive correlations in the ISI sequence and in a reduction of ISI variability. The results also indicate that for weak noise, the noise distribution only shapes the ISI density but not the ISI correlations which are determined by the noise's correlation function.

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