The steps in order of how you can experience a negative color aftereffect 
 
a. Stimulation of the center of the cell increases the firing rate of a ganglion cell 
b. stare at red stimulus, green edge appears, look at white surface, & then green version of object appears 
c. cones function best in bright light 
d. visual stimulus occurs, integration occurs in the LGN, & then processed in V1