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26-07-2023

Cerebellar plasticity-based equalization of total input to inferior olive cells: properties of the model dynamics

Authors: Vladimir Shakirov, Vladislav Dorofeev, Witali Dunin-Barkowski

Published in: Neuroscience and Behavioral Physiology | Issue 5/2023

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Abstract

The results of computational experiments with the biologically plausible cerebellar model are presented. First, the model convergence is examined under non-periodic embedding signal for the modeling system. Second, the influence of entropy value of granule cell activation pattern on the convergence is demonstrated. Third, the case of two Purkinje cells each with its own climbing fiber cell (ClFC) is explored. In the first subcase the signals to ClFCs differ only in phases of the incoming signals. In the second subcase the granule cells are divided in two halves which are activated with different periods. The signal to one of the ClFC is corresponded to one half of granule cells while the signals to the second ClFC correspond to the second half of the granule cells. In both subcases, cross-correlation of two ClFCs activities shows weak to almost absent statistical relation between the dynamics of these ClFCs impulse sequences due to chaotic nature of our model dynamics. The obtained results point to necessity of further studies of chaos in cerebellar module and to the plausible role of electrical synapses between ClFCs.
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Metadata
Title
Cerebellar plasticity-based equalization of total input to inferior olive cells: properties of the model dynamics
Authors
Vladimir Shakirov
Vladislav Dorofeev
Witali Dunin-Barkowski
Publication date
26-07-2023
Publisher
Springer International Publishing
Published in
Neuroscience and Behavioral Physiology / Issue 5/2023
Print ISSN: 0097-0549
Electronic ISSN: 1573-899X
DOI
https://doi.org/10.1007/s11055-023-01423-7

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