Table A1. Parameter values for Experiment 1 simulations.

Layer	τ	h	self- excitation	excitatory projection(s)	inhibitory projection(s)	reference input	target input
u (PF)	80	−7	cuu = 1.645		cuv = 1.21	cref = 13.31	ctar = 45
			σuu = 3.0		σuv = 4.7	σref = 1.0	σtar = 3
					kuv = 0.05
v (Inhib)	10	−12		cvu = 4.55
				σvu = 5.0
				cvw = 2.2
				σvw = 6.0
w (SWM )	80	−5	cww = 2.793	cwu = 1.75	cwv = 0.759	[all inputs scaled by cs = 0.2]
			σww = 5		σwu = 3	σwv = 43.32
						kwv = 0.05
developmental  scaling parameters (from ‘youngest’ to ‘oldest’ parameter setting)			dev_cuu = 0.57		dev_cv = 0.046	dev_cref = 0.475
			dev_cww = 0.505		dev_σv = 3.51	dev_σref = 46.0
			dev_cuu = 0.5855		dev_ cv = 0.224	dev_cref = 0.54
			dev_cww = 0.614		dev_σv = 3.37	dev_σref = 26.65
			dev_cuu = 0.6165		dev_cv = 0.386	dev_cref = 0.61
			dev_cww = 0.724		dev_σv = 3.18	dev_σref = 15.42
			dev_cuu = 0.663		dev_cv = 0.534	dev_σref = 0.69
			dev_cww = 0.824		dev_σv = 2.94	dev_σref = 8.92
			dev_cuu = 0.725		dev_cv = 0.667	dev_σref = 0.76
			dev_cww = 0.9		dev_σv = 2.62	dev_σref = 5.16
			dev_cuu = 0.8025		dev_cv = 0.789	dev_σref = 0.84
			dev_cww = 0.952		dev_σv = 2.21	dev_σref = 2.99
			dev_cuu = 0.8955		dev_cv = 0.9	dev_σref = 0.92
			dev_cww = 0.981		dev_σv = 1.68	dev_σref = 1.73
			dev_cuu = 1.0		dev_cv = 1.0	dev_σref = 1.0
			dev_cww = 1.0		dev_σv = 1.0	dev_σref = 1.0