More recent research on colour transduction has indicated that the opponent-process theory of colour was inaccurate because opponent processes are actually determined NOT by the cones but by the:

Question

Quizplus · Accepted Answer

Opponent processes are determined by the ganglion cells, not the cones, as they process the signals from the cones and create the opponent color signals.

More Recent Research on Colour Transduction Has Indicated That the Opponent-Process