Stimuli in Robson 1966

Rows: ge_sigma
Columns: s_frequency
Threshold magnified: 10x
Pixels per degree: 64
Selected stimuli
 t_frequency = 1

	0.5 [cpd]	0.70711 [cpd]	1 [cpd]	1.4142 [cpd]	2 [cpd]	2.8284 [cpd]	4 [cpd]	5.6569 [cpd]	8 [cpd]	11.3137 [cpd]	16 [cpd]	22.6274 [cpd]	29.8571 [cpd]
1.25