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Synchronous Behavior of Two Coupled Electronic Neurons | | R. D. Pinto
; P. Varona
; A. R. Volkovskii
; A. Szucs
; Henry D. I. Abarbanel
; M. I. Rabinovich
; | | Date: |
12 Dec 1999 | | Subject: | Chaotic Dynamics | nlin.CD q-bio | | Abstract: | We report on experimental studies of synchronization phenomena in a pair of analog electronic neurons (ENs). The ENs were designed to reproduce the observed membrane voltage oscillations of isolated biological neurons from the stomatogastric ganglion of the California spiny lobster Panulirus interruptus. The ENs are simple analog circuits which integrate four dimensional differential equations representing fast and slow subcellular mechanisms that produce the characteristic regular/chaotic spiking-bursting behavior of these cells. In this paper we study their dynamical behavior as we couple them in the same configurations as we have done for their counterpart biological neurons. The interconnections we use for these neural oscillators are both direct electrical connections and excitatory and inhibitory chemical connections: each realized by analog circuitry and suggested by biological examples. We provide here quantitative evidence that the ENs and the biological neurons behave similarly when coupled in the same manner. They each display well defined bifurcations in their mutual synchronization and regularization. We report briefly on an experiment on coupled biological neurons and four dimensional ENs which provides further ground for testing the validity of our numerical and electronic models of individual neural behavior. Our experiments as a whole present interesting new examples of regularization and synchronization in coupled nonlinear oscillators. | | Source: | arXiv, nlin.CD/0001020 | | Services: | Forum | Review | PDF | Favorites | |
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