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Abstract:
We have developed an analog VLSI system that models the
coordination of neurobiological segmented oscillators. We have
implemented and tested a system that consists of a chain of eleven
pattern generating circuits that are synaptically coupled to their
nearest neighbors. Each pattern generating circuit is implemented
with two silicon Morris-Lecar neurons that are connected in a
reciprocally inhibitory network. We discuss the mechanisms of
oscillations in the two-cell network and explore system behavior
based on isotropic and anisotropic coupling, and frequency
gradients along the chain of oscillators.
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