a chromatic range/combination
1 belonging or relating to a musical scale in which the notes follow each other in semitones: --
the chromatic scale
When chromatic stimuli are tested against white, it is as though brightness no longer matters.
Chromatic and contrast selectivity in color contrast the adapting axis that best fit the hue changes.
We were able to extend these earlier observations to chromatic as well as achromatic stimuli.
Again, it is straightforward to derive response to luminance and chromatic modulation from eqns.
With chromatic modulation, center and surround contributions are in phase, so there is no spatial antagonism and no such effect is present.
We used counterphase, sinusoidal modulation of a bipartite field as a stimulus, using chromatic, achromatic, and cone-isolating modulation.
The highest pooled cone contrast for isoluminant chromatic gratings was 0.12 and for achromatic gratings was 1.
The chromatic stimulation probed only responses to the red-green axis.
