Phase control of excitable systems

Year: 2008

Authors: Zambrano S., Seoane J.M., Marino I.P., Sanjuan M.A.F., Euzzor S., Meucci R., Arecchi F.T.

Autors Affiliation: CNR – Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy;
Departamento de Fisica, Universidad Rey Juan Carlos, Tulipan s/n 28933 Madrid, Spain

Abstract: Here we study how to control the dynamics of excitable systems by using the phase control technique. Excitable systems are relevant in neuronal dynamics and therefore this method might have important applications. We use the periodically driven FitzHugh-Nagumo (FHN) model, which displays both spiking and non-spiking behaviours in chaotic or periodic regimes. The phase control technique consists of applying a harmonic perturbation with a suitable phase phi that we adjust in search of different behaviours of the FHN dynamics. We compare our numerical results with experimental measurements performed on an electronic circuit and find good agreement between them. This method might be useful for a better understanding of excitable systems and different phenomena in neuronal dynamics.

Journal/Review: NEW JOURNAL OF PHYSICS

Volume: 10      Pages from: 073030  to: 073030

KeyWords: Chaotic systems; Dynamics; Electron tubes; Networks (circuits); Phase control, Control techniques; Excitable systems; Experimental measurements; Neuronal dynamics; Numerica l results, Control systems
DOI: 10.1088/1367-2630/10/7/073030

Citations: 23
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