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Reliability of neuronal information conveyed by unreliable neuristor-based leaky integrate-and-fire neurons: a model study.


ABSTRACT: We conducted simulations on the neuronal behavior of neuristor-based leaky integrate-and-fire (NLIF) neurons. The phase-plane analysis on the NLIF neuron highlights its spiking dynamics--determined by two nullclines conditional on the variables on the plane. Particular emphasis was placed on the operational noise arising from the variability of the threshold switching behavior in the neuron on each switching event. As a consequence, we found that the NLIF neuron exhibits a Poisson-like noise in spiking, delimiting the reliability of the information conveyed by individual NLIF neurons. To highlight neuronal information coding at a higher level, a population of noisy NLIF neurons was analyzed in regard to probability of successful information decoding given the Poisson-like noise of each neuron. The result demonstrates highly probable success in decoding in spite of large variability--due to the variability of the threshold switching behavior--of individual neurons.

SUBMITTER: Lim H 

PROVIDER: S-EPMC4429369 | biostudies-literature | 2015 May

REPOSITORIES: biostudies-literature

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Reliability of neuronal information conveyed by unreliable neuristor-based leaky integrate-and-fire neurons: a model study.

Lim Hyungkwang H   Kornijcuk Vladimir V   Seok Jun Yeong JY   Kim Seong Keun SK   Kim Inho I   Hwang Cheol Seong CS   Jeong Doo Seok DS  

Scientific reports 20150513


We conducted simulations on the neuronal behavior of neuristor-based leaky integrate-and-fire (NLIF) neurons. The phase-plane analysis on the NLIF neuron highlights its spiking dynamics--determined by two nullclines conditional on the variables on the plane. Particular emphasis was placed on the operational noise arising from the variability of the threshold switching behavior in the neuron on each switching event. As a consequence, we found that the NLIF neuron exhibits a Poisson-like noise in  ...[more]

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