doi: 10.1103/PhysRevE.69.022901.
Epub 2004 Feb 27.
Interspike interval statistics of neurons driven by colored noise
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- PMID: 14995506
- DOI: 10.1103/PhysRevE.69.022901
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Interspike interval statistics of neurons driven by colored noise
Phys Rev E Stat Nonlin Soft Matter Phys.
2004 Feb.
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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