Abstract
We studied the synchronous behavior of two electrically-coupled model
neurons as a function of the coupling strength when the individual
neurons are tuned to different activity patterns that ranged from
tonic firing via chaotic activity to burst discharges. We observe
asynchronous and various synchronous states such as out-of-phase,
in-phase and almost in-phase chaotic synchronization. The highest
variety of synchronous states occurs at the transition from tonic
firing to chaos where the highest coupling strength is also needed
for in-phase synchronization which is, essentially, facilitated towards
the bursting range. This demonstrates that tuning of the neuron’s
internal dynamics can have significant impact on the synchronous states
especially at the physiologically relevant tonic-to-bursting transitions.
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