Emergence of slow collective oscillations in neural networks with spike-timing dependent plasticity (Articolo in rivista)

Type
Label
  • Emergence of slow collective oscillations in neural networks with spike-timing dependent plasticity (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.110.208101 (literal)
Alternative label
  • Kaare Mikkelsen( 1); Alberto Imparato (1); Alessandro Torcini (2,3,1) (2013)
    Emergence of slow collective oscillations in neural networks with spike-timing dependent plasticity
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Kaare Mikkelsen( 1); Alberto Imparato (1); Alessandro Torcini (2,3,1) (literal)
Pagina inizio
  • art_n_208101 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prl.aps.org/abstract/PRL/v110/i20/e208101 (literal)
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  • 110 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 20 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Department of Physics and Astronomy, University of Aarhus, Ny Munkegade, Building 1520, DK-8000 Aarhus C, Denmark (2) CNR-Consiglio Nazionale delle Ricerche-Istituto dei Sistemi Complessi, via Madonna del Piano 10, I-50019 Sesto Fiorentino, Italy (3) INFN Sezione di Firenze, via Sansone, 1-I-50019 Sesto Fiorentino, Italy (literal)
Titolo
  • Emergence of slow collective oscillations in neural networks with spike-timing dependent plasticity (literal)
Abstract
  • The collective dynamics of excitatory pulse coupled neurons with spike-timing dependent plasticity is studied. The introduction of spike-timing dependent plasticity induces persistent irregular oscillations between strongly and weakly synchronized states, reminiscent of brain activity during slow-wave sleep. We explain the oscillations by a mechanism, the Sisyphus Effect, caused by a continuous feedback between the synaptic adjustments and the coherence in the neural firing. Due to this effect, the synaptic weights have oscillating equilibrium values, and this prevents the system from relaxing into a stationary macroscopic state. (literal)
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