The integrate-and-fire model with reversal potentials driven by lowcorrelation renewal inputs is studied. we firstly propose two novel approximationschemes for integrate-and-fire(IF) model with renewal processinputs. Then, we consider how Low correlation renewal inputs affectthe integrate-and-fire model with reversal potentials. For low positive,mean firing time is a decreasing function of input correlation. Interestingly,for low negative correlations, mean firing time is nondecreasing ofinput correlation.
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