Fig. 5.
S-cone discrimination thresholds from Experiment 2, with the two adapting fields having different l but the same s chromaticities. Top row, adapting s = 0.6; middle row, adapting s = 1.0; bottom row, adapting s = 1.6. Each panel shows the data of two inner-outer pairs with chromaticities swapped between the inner and outer adapting fields. The solid lines are model fits based on integration of spectral signals from both adapting fields. A, the l chromaticities in the two adapting fields were 0.625 and 0.665. B, the l chromaticities in the two adapting fields were 0.705 and 0.665.