Colour illusion and evidence for interaction between cone mechanisms.
D003118:Color Perception / Q000502:physiology*; D004056:Differential Threshold; D006801:Humans; D007088:Illusions / Q000502:physiology*; D009903:Optical Illusions / Q000502:physiology*; D010786:Photoreceptor Cells / Q000502:physiology*; D013997:Time Factors