Sequential Desynchronization in Networks of Spiking Neurons with Partial Reset

Details Sequential Desynchronization in Networks of Spiking Neurons with Partial Reset Sequential Desynchronization in Networks of Spiking Neurons with Partial Reset

2008-10-15

arxiv.org/abs/0810.2749v1

Phys. Rev. Lett. 102, 068101 (2009)

Biology

Quantitative Biology

Neurons and Cognition

Scientific paper

10.1103/PhysRevLett.102.068101

The response of a neuron to synaptic input strongly depends on whether or not it has just emitted a spike. We propose a neuron model that after spike emission exhibits a partial response to residual input charges and study its collective network dynamics analytically. We uncover a novel desynchronization mechanism that causes a sequential desynchronization transition: In globally coupled neurons an increase in the strength of the partial response induces a sequence of bifurcations from states with large clusters of synchronously firing neurons, through states with smaller clusters to completely asynchronous spiking. We briefly discuss key consequences of this mechanism for more general networks of biophysical neurons.

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