On a spike train probability model with interacting neural units | Zendy

Antonio Di Crescenzo | Zendy; Maria Longobardi | Zendy; Barbara Martinucci | Zendy

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On a spike train probability model with interacting neural units

Author(s) -

Antonio Di Crescenzo,

Maria Longobardi,

Barbara Martinucci

Publication year - 2013

Publication title -

mathematical biosciences and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.451

H-Index - 45

eISSN - 1551-0018

pISSN - 1547-1063

DOI - 10.3934/mbe.2014.11.217

Subject(s) - spike (software development) , constant (computer programming) , extension (predicate logic) , spike train , function (biology) , probability distribution , computer science , unit (ring theory) , mathematics , statistics , software engineering , evolutionary biology , biology , programming language , mathematics education

We investigate an extension of the spike train stochastic model based on the conditional intensity, in which the recovery function includes an interaction between several excitatory neural units. Such function is proposed as depending both on the time elapsed since the last spike and on the last spiking unit. Our approach, being somewhat related to the competing risks model, allows to obtain the general form of the interspike distribution and of the probability of consecutive spikes from the same unit. Various results are finally presented in the two cases when the free firing rate function (i) is constant, and (ii) has a sinusoidal form.

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