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  Coexistence of Stochastic Oscillations and Self-Organized Criticality in a Neuronal Network: Sandpile Model Application

Saeedi, A., Jannesari, M., Gharibzadeh, S., & Bakouie, F. (2018). Coexistence of Stochastic Oscillations and Self-Organized Criticality in a Neuronal Network: Sandpile Model Application. Neural computation, 30(4), 1132-1149. doi:10.1162/neco_a_01061.

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Saeedi, A1, Author              
Jannesari, M, Author
Gharibzadeh, S, Author
Bakouie, F, Author
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1External Organizations, ou_persistent22              

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 Abstract: Self-organized criticality (SOC) and stochastic oscillations (SOs) are two theoretically contradictory phenomena that are suggested to coexist in the brain. Recently it has been shown that an accumulation-release process like sandpile dynamics can generate SOC and SOs simultaneously. We considered the effect of the network structure on this coexistence and showed that the sandpile dynamics on a small-world network can produce two power law regimes along with two groups of SOs—two peaks in the power spectrum of the generated signal simultaneously. We also showed that external stimuli in the sandpile dynamics do not affect the coexistence of SOC and SOs but increase the frequency of SOs, which is consistent with our knowledge of the brain.

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 Dates: 2018-04
 Publication Status: Published in print
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 Identifiers: DOI: 10.1162/neco_a_01061
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Title: Neural computation
Source Genre: Journal
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Publ. Info: Cambridge, Mass. : MIT Press
Pages: - Volume / Issue: 30 (4) Sequence Number: - Start / End Page: 1132 - 1149 Identifier: ISSN: 0899-7667
CoNE: https://pure.mpg.de/cone/journals/resource/954925561591