Vibrational resonance in a heterogeneous scale free network of neurons
Vibrational resonance (VR) is a phenomenon whereby the response of some dynamical systems to a weak low-frequency signal can be maximized with the assistance of an optimal intensity of another high-frequency signal. In this paper, we study the VR in a heterogeneous neural system having a complex network topology. We consider a scale-free network of neurons where the heterogeneity is in the intrinsic excitability of the individual neurons. It is shown that emergence of VR in heterogeneous neuron population requires less energy than a homogeneous population. We also find that electrical coupling strength among neurons plays a key role in determining the weak signal processing capacity of the heterogeneous population. Lastly, we investigate the influence of interneuronal link density on the VR and demonstrate that the energy needed to obtain the resonance grows with the increase in average degree. © 2014 Elsevier B.V.
| Yazar |
Uzuntarla, Muhammet Yılmaz, Ergin Wagemakers, Alexandre Özer, Mahmut |
| Yayın Türü | Article |
| Tek Biçim Adres | https://hdl.handle.net/20.500.12628/8498 |
| Tek Biçim Adres | 10.1016/j.cnsns.2014.08.040 |
| Konu Başlıkları |
Diversity
Scale free networks Vibrational resonance |
| Koleksiyonlar |
Fakülteler Mühendislik Fakültesi Biyomedikal Mühendisliği Bölümü Makale Koleksiyonu (Biyomedikal Mühendisliği Bölümü) Fakülteler Mühendislik Fakültesi Elektrik - Elektronik Mühendisliği Bölümü Makale Koleksiyonu (Elektrik - Elektronik Mühendisliği Bölümü) Araştırma Çıktıları | WoS | Scopus | TR-Dizin | PubMed | SOBİAD Scopus İndeksli Yayınlar Koleksiyonu Araştırma Çıktıları | WoS | Scopus | TR-Dizin | PubMed | SOBİAD WoS İndeksli Yayınlar Koleksiyonu |
| Dergi Adı | Communications in Nonlinear Science and Numerical Simulation |
| Dergi Cilt Bilgisi | 22 |
| Dergi Sayısı | 01.Mar |
| Sayfalar | 367 - 374 |
| Yayın Yılı | 2015 |
| Eser Adı [dc.title] | Vibrational resonance in a heterogeneous scale free network of neurons |
| Yazar [dc.contributor.author] | Uzuntarla, Muhammet |
| Yazar [dc.contributor.author] | Yılmaz, Ergin |
| Yazar [dc.contributor.author] | Wagemakers, Alexandre |
| Yazar [dc.contributor.author] | Özer, Mahmut |
| Yayın Yılı [dc.date.issued] | 2015 |
| Yayıncı [dc.publisher] | Elsevier |
| Yayın Türü [dc.type] | article |
| Özet [dc.description.abstract] | Vibrational resonance (VR) is a phenomenon whereby the response of some dynamical systems to a weak low-frequency signal can be maximized with the assistance of an optimal intensity of another high-frequency signal. In this paper, we study the VR in a heterogeneous neural system having a complex network topology. We consider a scale-free network of neurons where the heterogeneity is in the intrinsic excitability of the individual neurons. It is shown that emergence of VR in heterogeneous neuron population requires less energy than a homogeneous population. We also find that electrical coupling strength among neurons plays a key role in determining the weak signal processing capacity of the heterogeneous population. Lastly, we investigate the influence of interneuronal link density on the VR and demonstrate that the energy needed to obtain the resonance grows with the increase in average degree. © 2014 Elsevier B.V. |
| Kayıt Giriş Tarihi [dc.date.accessioned] | 2019-12-23 |
| Açık Erişim Tarihi [dc.date.available] | 2019-12-23 |
| Yayın Dili [dc.language.iso] | eng |
| Konu Başlıkları [dc.subject] | Diversity |
| Konu Başlıkları [dc.subject] | Scale free networks |
| Konu Başlıkları [dc.subject] | Vibrational resonance |
| Künye [dc.identifier.citation] | Uzuntarla, M., Yilmaz, E., Wagemakers, A. ve Ozer, M. (2015). Vibrational resonance in a heterogeneous scale free network of neurons. Communications in Nonlinear Science and Numerical Simulation, 22(1), 367–374. doi:https://doi.org/10.1016/j.cnsns.2014.08.040 |
| Haklar [dc.rights] | info:eu-repo/semantics/closedAccess |
| ISSN [dc.identifier.issn] | 1007-5704 |
| Sponsor YAYINCI [dc.description.sponsorship] | Ministerio de Ciencia e Innovación |
| Sponsor YAYINCI [dc.description.sponsorship] | M.U. acknowledges support from Erasmus teaching staff mobility program. A.W. acknowledges the financial support from the Spanish Ministry of Science and Innovation under Project No. FIS2009-09898 . |
| İlk Sayfa Sayısı [dc.identifier.startpage] | 367 |
| Son Sayfa Sayısı [dc.identifier.endpage] | 374 |
| Dergi Adı [dc.relation.journal] | Communications in Nonlinear Science and Numerical Simulation |
| Dergi Sayısı [dc.identifier.issue] | 01.Mar |
| Dergi Cilt Bilgisi [dc.identifier.volume] | 22 |
| Tek Biçim Adres [dc.identifier.uri] | https://dx.doi.org/10.1016/j.cnsns.2014.08.040 |
| Tek Biçim Adres [dc.identifier.uri] | https://hdl.handle.net/20.500.12628/8498 |
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