Simple Reaction Time to Chromatic Changes along L&M-Constant and S-Constant Cone Axes

摘要

The present study uses simple reaction time(RT) to examine the temporal response to chromatic changes of the red-green(L-2M)and yellow-blue(S-(L+M)chromatic opponent channels. The hue-substitution method was adopted to negate the luminance channel and generate changes in the chromatic input. The equiluminant stimuli were distributed along three and three red-green confusion lines. RTs were measured at equiluminance from three reference stimuli with chromatic changes occurring in either the tritan or red-green directions.