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dc.contributorDepartment of Electronic and Information Engineering-
dc.creatorSmall, M-
dc.creatorRobinson, H-
dc.titleChaos and bifurcation in a stochastic model of the calyx of helden_US
dc.typeConference Paperen_US
dcterms.abstractThe calyx of Held is a giant glutamatergic synapse in the auditory system. Short-term plasticity (either facilitation and depression) have been observed experimentally and in proposed biophysical models of the system. Because of the large number of discrete release site for the vesicles (which in turn drive the gating process at the synapse), the random process of vesicle release is modelled as a continuous differential equation. We propose a new stochastic discrete model of vesicle release and show that even for large pools of release sites, the short-term plasticity of the system deviates from the continuous model as the number of available docked vesicles decreases. We compare results of this new stochastic-discrete biophysical model with the previous deterministic-contiunous biophysical model and with models derived from synaptic transmission data obtained from the rat cortex.-
dcterms.bibliographicCitationProceedings of International Symposium on Nonlinear Theory and Its Applications (NOLTA'2008), Budapest, Hungary, 7-10 September, 2008, p. 420-423-
dc.relation.conferenceInternational Symposium on Nonlinear Theory and Its Applications [NOLTA]-
dc.description.ros2008-2009 > Academic research: refereed > Refereed conference paper-
Appears in Collections:Conference Paper
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