Journal
PHYSICAL REVIEW LETTERS
Volume 86, Issue 14, Pages 2934-2937Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.86.2934
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Neuronal populations receive signals through temporally inhomogeneous spike trains which can be approximated by an input consisting of a time dependent mean value (additive signal) and noise with a time dependent intensity (noise coded signal). We compare the linear response of an ensemble of model neurons to these signals. Our analytical solution for the mean activity demonstrates the high efficiency of the transmission of a noise coded signal in a broad frequency band. For both kinds of signal we show that the transmission by the ensemble reveals stochastic resonance as well as a nonmonotonous dependence on the driving frequency.
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