Adaptation Reduces Variability of the Neuronal Population Code

Details Adaptation Reduces Variability of the Neuronal Population Code Adaptation Reduces Variability of the Neuronal Population Code

2010-07-20

arxiv.org/abs/1007.3490v2

Phys. Rev. E 83, 050905 (2011)

Physics

Biological Physics

4 pages, 2 figures

Scientific paper

10.1103/PhysRevE.83.050905

Sequences of events in noise-driven excitable systems with slow variables often show serial correlations among their intervals of events. Here, we employ a master equation for general non-renewal processes to calculate the interval and count statistics of superimposed processes governed by a slow adaptation variable. For an ensemble of spike-frequency adapting neurons this results in the regularization of the population activity and an enhanced post-synaptic signal decoding. We confirm our theoretical results in a population of cortical neurons.

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