Novel class of neural stochastic resonance and error-free information transfer

We investigate a novel class of neural stochastic resonance (SR) exhibiting error-free information transfer. Unlike conventional neural SR, where the decrease of a system's response with too much noise is associated with an increase in the baseline firing rate, here the bell-shaped SR behavior...

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Bibliographic Details
Published inPhysical review letters Vol. 100; no. 11; p. 118103
Main Authors Yasuda, Hideaki, Miyaoka, Tsuyoshi, Horiguchi, Jun, Yasuda, Akira, Hänggi, Peter, Yamamoto, Yoshiharu
Format Journal Article
LanguageEnglish
Published United States 21.03.2008
Subjects
Action Potentials - physiology
Adolescent
Adult
Blinking - physiology
Brain Stem - physiology
Electromyography
Evoked Potentials, Auditory, Brain Stem - physiology
Humans
Male
Models, Neurological
Neurons - physiology
Noise
Stochastic Processes
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Summary:We investigate a novel class of neural stochastic resonance (SR) exhibiting error-free information transfer. Unlike conventional neural SR, where the decrease of a system's response with too much noise is associated with an increase in the baseline firing rate, here the bell-shaped SR behavior of the input-output cross correlation emerges versus increasing input noise in spite of no significant increase of the baseline firing rate. The neuron thus acts as an error-free detector for weak signals. An integrate-and-fire model with short-term synaptic depression convincingly validates our experimental findings for SR in the human tactile blink reflex.
ISSN:0031-9007
DOI:10.1103/physrevlett.100.118103