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  Ubiquity of collective irregular dynamics in balanced networks of spiking neurons

Ullner, E., Politi, A., & Torcini, A. (2018). Ubiquity of collective irregular dynamics in balanced networks of spiking neurons. Chaos, 28(8): 081106. doi:10.1063/1.5049902.

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1711.01096.pdf (Preprint), 470KB
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 Creators:
Ullner, Ekkehard1, Author
Politi, Antonio2, Author           
Torcini, Alessandro2, Author           
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1external, ou_persistent22              
2Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              

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 MPIPKS: Living matter
 Abstract: We revisit the dynamics of a prototypical model of balanced activity in networks of spiking neurons. A detailed investigation of the thermodynamic limit for fixed density of connections (massive coupling) shows that, when inhibition prevails, the asymptotic regime is not asynchronous but rather characterized by a self-sustained irregular, macroscopic (collective) dynamics. So long as the connectivity is massive, this regime is found in many different setups: leaky as well as quadratic integrate-and-fire neurons; large and small coupling strength; and weak and strong external currents. Published by AIP Publishing.

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Language(s): eng - English
 Dates: 2018-08-292018-08
 Publication Status: Issued
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 Identifiers: ISI: 000443760700006
DOI: 10.1063/1.5049902
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Title: Chaos
  Other : Chaos : an interdisciplinary journal of nonlinear science
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Institute of Physics
Pages: - Volume / Issue: 28 (8) Sequence Number: 081106 Start / End Page: - Identifier: ISSN: 1054-1500
CoNE: https://pure.mpg.de/cone/journals/resource/954922836228