Firing statistics of a neuron model driven by long-range correlated noise
- 28 August 2003
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review E
- Vol. 68 (2) , 021920
- https://doi.org/10.1103/physreve.68.021920
Abstract
We study the statistics of the firing patterns of a perfect integrate and fire neuron model driven by additive long-range correlated Ornstein-Uhlenbeck noise. Using a quasistatic weak noise approximation we obtain expressions for the interspike interval (ISI) probability density, the power spectral density, and the spike count Fano factor. We find unimodal, long-tailed ISI densities, Lorenzian power spectra at low frequencies, and a minimum in the Fano factor as a function of counting time. The implications of these results for signal detection are discussed.Keywords
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