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Dynamics of a model for the variability of the interspike intervals in a retinal neuron

โœ Scribed by G. Gestri

Publisher
Springer-Verlag
Year
1978
Tongue
English
Weight
188 KB
Volume
31
Category
Article
ISSN
0340-1200

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โœฆ Synopsis

Recently, a model has been proposed to explain the statistics of the variability of interspike intervals of ganglion cells in the retina of goldfish under steady-state stimulation. In this note, it is shown that the dynamical behaviour of the model, both under steady-state and dynamical stimuli, is characterized by input-invariance of the output random process after a time transformation. This allows to study the signal-processing properties of the model, and to test its applicability by a more complete experimental analysis.

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We present a simple model describing the transition between the prefiring, firing and postfiring phases of a single neuron in a large neural net. Using typical values for the physiological parameters that enter the model, we find average interspike times that are close to those reported in experimen