21732 articles – 15570 references  [version française]
HAL: hal-00584216, version 1

Detailed view  Export this paper
Chaos -Woodbury- 15, 2 (2005) 023103
Spiking dynamics of interacting oscillatory neurons
V. B. Kasantsev 1, V. Nekorkin 1, S. Binczak 2, S. Jacquir 2, J. M. Bilbault 2
(2005-02)

Spiking sequences emerging from dynamical interaction in a pair of oscillatory neurons are investigated theoretically and experimentally. The model comprises two unidirectionally coupled FitzHugh-Nagumo units with modified excitability (MFHN). The first (master) unit exhibits a periodic spike sequence with a certain frequency. The second (slave) unit is in its excitable mode and responds on the input signal with a complex (chaotic) spike trains. We analyze the dynamic mechanisms underlying different response behavior depending on interaction strength. Spiking phase maps describing the response dynamics are obtained. Complex phase locking and chaotic sequences are investigated. We show how the response spike trains can be effectively controlled by the interaction parameter and discuss the problem of neuronal information encoding.
1:  Institute of Applied Physics of RAS (IAPRAS)
Nizhny Novgorod State University
2:  Laboratoire Electronique, Informatique et Image (Le2i)
Université de Bourgogne – Arts et Métiers ParisTech – CNRS : UMR6306
Nonlinear Sciences/Chaotic Dynamics

Cognitive science/Neuroscience

Engineering Sciences/Electronics

Physics/Mathematical Physics

Mathematics/Mathematical Physics
Complex phase locking – Ocillatory neurons – Chaotic dynamics – Neuronal information encoding
Attached file list to this document: 
PDF
chaos2005.pdf(1.1 MB)