Table 1

Mean (±SD) values of best-fit parameters of the DoG model

SF (cpd)	σ_e	σ_i	(σ_i /σ_e)	g_e	g_i	g_i/g_e
0.12	12.96 ± 6.8	25.21 ± 0.04	2.15 ± 0.6	0.009 ± 0.005	0.008 ± 0.004	1.01 ± 0.22
0.18	3.98 ± 0.8	11.84 ± 2.14	3.03 ± 0.59	0.008 ± 0.005	0.005 ± 0.004	0.66 ± 0.17
0.36	4.18 ± 0.8	7.6 ± 2.1	1.85 ± 0.48	0.017 ± 0.003	0.009 ± 0.005	0.51 ± 0.29
0.72	3.04 ± 1.79	5.43 ± 1.98	2.10 ± 0.7	0.016 ± 0.01	0.16 ± 0.011	0.56 ± 0.34
1.06	2.62 ± 2.38	4.85 ± 2.93	2.98 ± 1.66	0.007 ± 0.006	0.004 ± 0.002	0.46 ± 0.09
1.41	2.36 ± 1.31	4.88 ± 2.2	2.36 ± 0.85	0.004 ± 0.003	0.001 ± 0.001	0.36 ± 0.38