In the case of this illusion, the part of the photo where you see cyan, the green and blue cones become tired and as a result there is increased activity in the unfatigued red cones.

在这种错觉的情况下，你看着照片中的青色区域，绿色和蓝色锥体细胞会变得疲倦，因此不疲劳的红色锥体细胞增加活动。