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Wave Propagation Mediated by GABA_B Synapse and Rebound Excitation in an Inhibitory Network: A Reduced Model Approach

By Zhixiong Chen, Bard Ermentrout and Xiao-jing Wang


A reduction method is used to analyze a spatially structured network model of inhibitory neurons. This network model displays wave propagation of postinhibitory rebound activity, which depends on GABA B synaptic interactions among the neurons. The reduced model allows explicit solutions for the wavefronts and their velocity as a function of various parameters, such as the synaptic coupling strength. These predictions are shown to agree well with the numerical simulations of the conductance-based biophysical model

Topics: sleep spindle rhythm, thalamus, GABAB receptor, wavefront velocity
Year: 1998
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