Effect of sub-threshold stimuli on neuronal dynamics

Voltage-gated ion channels are of great importance in the generation and propagation of electrical signals in the excitable membranes. In this study, we introduce the stochastic version of the Hodgkin-Huxley formalism and investigate the effect of channel noise on neuronal dynamic behaviors based on a model with the Gaussian noise. We show that the channel noise may result in a spiking activity for subthreshold stimulus, and that the firing dynamics follows more regular patterns when the membrane patch becomes smaller. It is also shown that the stochastic model converges to the deterministic model for very large membrane patches and the neurons can encode subthreshold stimuli by considering the channel noise. © 2005 IEEE.

Dergi Adı Proceedings of the IEEE 13th Signal Processing and Communications Applications Conference, SIU 2005
Dergi Cilt Bilgisi 2005
Sayfalar 143 - 146
Yayın Yılı 2005
Eser Adı
[dc.title]
Effect of sub-threshold stimuli on neuronal dynamics
Yazar
[dc.contributor.author]
Ekmekçi N. Hakan
Yazar
[dc.contributor.author]
Özer, Mahmut
Yayın Yılı
[dc.date.issued]
2005
Yayın Türü
[dc.type]
proceedings
Açıklama
[dc.description]
IEEE 13th Signal Processing and Communications Applications Conference, SIU 2005 -- 16 May 2005 through 18 May 2005 -- Kayseri -- 69003
Özet
[dc.description.abstract]
Voltage-gated ion channels are of great importance in the generation and propagation of electrical signals in the excitable membranes. In this study, we introduce the stochastic version of the Hodgkin-Huxley formalism and investigate the effect of channel noise on neuronal dynamic behaviors based on a model with the Gaussian noise. We show that the channel noise may result in a spiking activity for subthreshold stimulus, and that the firing dynamics follows more regular patterns when the membrane patch becomes smaller. It is also shown that the stochastic model converges to the deterministic model for very large membrane patches and the neurons can encode subthreshold stimuli by considering the channel noise. © 2005 IEEE.
Kayıt Giriş Tarihi
[dc.date.accessioned]
2019-12-23
Açık Erişim Tarihi
[dc.date.available]
2019-12-23
Yayın Dili
[dc.language.iso]
tur
Künye
[dc.identifier.citation]
Ekmekci, N. H. ve Ozer, M. (2005). Effect of sub-threshold stimuli on neuronal dynamics. Proceedings of the IEEE 13th Signal Processing and Communications Applications Conference, 2005. içinde (ss. 143–146). doi:10.1109/SIU.2005.1567640
Haklar
[dc.rights]
info:eu-repo/semantics/closedAccess
Alternatif Başlık
[dc.title.alternative]
Eşik-alti uyartimlarin stokastik nöron dinamiklerine etkisi
İlk Sayfa Sayısı
[dc.identifier.startpage]
143
Son Sayfa Sayısı
[dc.identifier.endpage]
146
Dergi Adı
[dc.relation.journal]
Proceedings of the IEEE 13th Signal Processing and Communications Applications Conference, SIU 2005
Dergi Cilt Bilgisi
[dc.identifier.volume]
2005
Tek Biçim Adres
[dc.identifier.uri]
https://dx.doi.org/10.1109/SIU.2005.1567640
Tek Biçim Adres
[dc.identifier.uri]
https://hdl.handle.net/20.500.12628/5385
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channel stochastic membrane subthreshold smaller regular becomes follows dynamics firing stimulus patterns Voltage-gated considering stimuli encode neurons patches deterministic converges activity introduce channels importance generation propagation electrical signals excitable membranes version spiking Hodgkin-Huxley formalism investigate
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