Dendritic cable with active spines: a modeling study in the spike-diffuse-spike framework

Timofeeva, Yulia, Lord, Gabriel and Coombes, Stephen (2005) Dendritic cable with active spines: a modeling study in the spike-diffuse-spike framework.

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Abstract

The spike-diffuse-spike (SDS) model describes a passive dendritic tree with active dendritic spines. Spine-head dynamics is modelled with a simple integrate-and-fire process, whilst communication between spines is mediated by the cable equation. Here we develop a computational framework that allows the study of multiple spiking events in a network of such spines embedded in a simple one-dimensional cable. This system is shown to support saltatory waves as a result of the discrete distribution of spines. Moreover, we demonstrate one of the ways to incorporate noise into the spine-head whilst retaining computational tractability of the model. The SDS model sustains a variety of propagating patterns.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/1019914
Keywords: spike-diffuse-spike, dendritic spines, saltatory waves, noise
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Mathematical Sciences
Depositing User: Coombes, Prof Stephen
Date Deposited: 24 Oct 2005
Last Modified: 04 May 2020 20:30
URI: https://eprints.nottingham.ac.uk/id/eprint/210

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