The Intrinsic Time Scale of Transient Neuronal Responses
Abstract
In a generic neuron model, we present the linear response theory for the firing rate in response to both time dependent input currents and noise amplitudes. In both cases the signal transmission is strongly attenuated for frequencies above the stationary firing rate. For high frequencies both the mean input and the noise transmission function decay as ω-2, independent of model details. Our results indicate that previously suggested mechanisms for near instantaneous transmission of information are not consistent with the spike generation mechanism of real neurons.
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