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NeuroDynamix IIConcepts of Neurophysiology Illustrated by Computer Simulations$
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W. Otto Friesen and Jonathon Friesen

Print publication date: 2009

Print ISBN-13: 9780195371833

Published to Oxford Scholarship Online: February 2010

DOI: 10.1093/acprof:oso/9780195371833.001.0001

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Circuit Model

Circuit Model

(p.177) II.7 Circuit Model
NeuroDynamix II

W. Otto Friesen

Jonathon A. Friesen

Oxford University Press

The Circuit model simulates synaptic interactions among large numbers of neurons and includes many currents and derived values, such as cycle period, that are important for describing neuronal oscillations. This model simulates the membrane potentials of three-compartment invertebrate neurons with a passive soma, a neurite, where all synaptic interactions take place, and the axon, which is the only compartment that can generate an action potential. The Circuit model includes an internal feature whereby neurons are grouped into “segments” allowing for further complex outputs, such as interganglionic (or intersegmental) phase lags. Simulated neuronal interactions can be either of the chemical synaptic variety (excitatory and inhibitory) or electrical (rectifying and nonrectifying).

Keywords:   parameter, variable, circuit, oscillation, rhythm, reciprocal inhibition, recurrent cyclic inhibition, synaptic fatigue

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