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    A review on the stochastic firing behaviour of real neurons and how it can be modelled

    Christodoulou, Chris and Clarkson, T.G. (1995) A review on the stochastic firing behaviour of real neurons and how it can be modelled. In: Mira, J. and Hernandez, F.S. (eds.) International Workshop on Artificial Neural Networks 95: From Natural to Artificial Neural Computation. Lecture Notes in Computer Science 930. Springer, pp. 223-230. ISBN 9783540594970.

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    The types of spike trains recorded in real neurons from different parts of the brain, can either be completely random or bursty. Certainly, at very high firing rates regular spike trains are observed. This paper examines the neurobiological spike trains observed experimentally and analytically and presents how they can be modelled and accounted for by using the biologically inspired Temporal Noisy-Leaky Integrator (TNLI) neuron model, with partial reset. The complete randomness or high firing variability, can be achieved for certain input parameter values at high firing rates, which results from the dendritic temporal summation of postsynaptic responses and the use of random synaptic inputs. It is also demonstrated that bursting behaviour can indeed be achieved, using the TNLI, which is a result of the use of random synapses and distal inputs. The firing variability is demonstrated by calculating the Coefficient of Variation (Cv) of the interspike interval (ISI) distribution and by observing the corresponding ISI histograms.


    Item Type: Book Section
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Computing and Mathematical Sciences
    Depositing User: Sarah Hall
    Date Deposited: 16 Mar 2021 18:39
    Last Modified: 09 Aug 2023 12:50


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