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A Reaction-Diffusion Model of Cholinergic Retinal Waves
Figure 4
Parameter regimes which produce propagating activity.
Numerical determination of retinal wave excitability threshold for different timescales 
and excitability threshold determined through singular perturbation analysis, both as functions of 
, 
. Each point on each curve indicates a point in parameter space in which the wavefront transitions from propagating to receding. Points in parameter space below each curve are therefore not excitable, while those above are excitable.
doi: https://doi.org/10.1371/journal.pcbi.1003953.g004