Abstract
The effect of a temporally correlated afferent current on the firing rate of a leaky integrate-and-fire neuron is studied. This current is characterized in terms of rates, autocorrelations, and cross correlations, and correlation time scale of excitatory and inhibitory inputs. The output rate is calculated in the Fokker-Planck formalism in the limit of both small and large compared to the membrane time constant of the neuron. By simulations we check the analytical results, provide an interpolation valid for all , and study the neuron's response to rapid changes in the correlation magnitude.
- Received 3 July 2002
DOI:https://doi.org/10.1103/PhysRevLett.89.288101
©2002 American Physical Society