The smaller squares inside the blue and yellow squares are all the same color. This will create the color “afterimages.” Therefore, the information from all of the different color receptors is not in balance. When you stare at a particular color for too long, these receptors get “fatigued.” When you then look at a different background, the receptors that are tired do not work as well. Contrast your answers with the ones below, and learn about what was going on in your brain while you experienced each of these illusions:ĭid you see a fish of a different color in the bowl? You have just experienced an afterimage. In the retina of your eyes, there are three types of color receptors (cones) that are most sensitive to either red, blue or green.
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