Stimulus-Dependent Polyrhyhms of central pattern generator hardware

Le Zhao, Alain Nogaret

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Abstract

We have built universal central pattern generator
(CPG) hardware by interconnecting Hodgkin-Huxley neurons with
reciprocally inhibitory synapses. We investigate the dynamics of
neuron oscillations as a function of the time delay between current
steps applied to individual neurons. We demonstrate stimulus
dependent switching between spiking polyrhythms and map the phase
portraits of the neuron oscillations to reveal the basins of attraction of
the system. We experimentally study the dependence of the attraction
basins on the network parameters: The neuron response time and the
strength of inhibitory connections.
Original languageEnglish
Pages (from-to)721-724
JournalInternational Journal of Mathematical, Computational, Natural and Physical Engineering
Volume8
Issue number5
DOIs
Publication statusPublished - 2014

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neurons
stimuli
hardware
generators
attraction
synapses
spiking
oscillations
time lag

Cite this

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AB - We have built universal central pattern generator(CPG) hardware by interconnecting Hodgkin-Huxley neurons withreciprocally inhibitory synapses. We investigate the dynamics ofneuron oscillations as a function of the time delay between currentsteps applied to individual neurons. We demonstrate stimulusdependent switching between spiking polyrhythms and map the phaseportraits of the neuron oscillations to reveal the basins of attraction ofthe system. We experimentally study the dependence of the attractionbasins on the network parameters: The neuron response time and thestrength of inhibitory connections.

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