Table 1. Model parameters for input from retinal ganglion cells (GCs).

Parameter	Description	unit	value
ω	relative strength between surround and center		0.85
lbkg(1 − ω)	activity function (background)	s−1	36.8
lspot(1 − ω)	activity function (spot)	s−1	56.5
a1	center width	deg	0.62
a2	surround width	deg	1.26
ra	peripheral GC receptive-field center displacement	deg	0.99
τ1	time constant of first exponential	ms	10.0
τ2	time constant of second exponential	ms	22.0
α	global scaling		12.0
β	relative scaling of second exponential		11.26