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Influence of autapses on synchronisation in neural networks with chemical synapses

Protachevicz, Paulo Ricardo and Iarosz, Kelly Cristiane and Caldas, Ibere Luiz and Antonopoulos, Chris G and Batista, Antonio Marcos and Kurths, Jurgen (2020) 'Influence of autapses on synchronisation in neural networks with chemical synapses.' Frontiers in Systems Neuroscience. ISSN 1662-5137

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Abstract

A great deal of research has been devoted on the investigation of neural dynamics in various network topologies. However, only a few studies have focused on the influence of autapses, synapses from a neuron onto itself via closed loops, on neural synchronisation. Here, we build a random network with adaptive exponential integrate-and-fire neurons coupled with chemical synapses, equipped with autapses, to study the effect of the latter on synchronous behaviour. We consider time delay in the conductance of the pre-synaptic neuron for excitatory and inhibitory connections. Interestingly, in neural networks consisting of both excitatory and inhibitory neurons, we uncover that synchronous behaviour depends on their synapse type. Our results provide evidence on the synchronous and desynchronous activities that emerge in random neural networks with chemical, inhibitory and excitatory synapses where neurons are equipped with autapses.

Item Type: Article
Uncontrolled Keywords: synchronization, neural dynamics, integrate-and-fire model, excitatory and inhibitory neural networks, synapses, autapses
Divisions: Faculty of Science and Health > Mathematical Sciences, Department of
Depositing User: Elements
Date Deposited: 08 Jan 2021 11:17
Last Modified: 08 Jan 2021 11:19
URI: http://repository.essex.ac.uk/id/eprint/29290

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