Optical Illusions
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| What is this picture of? |
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| Is there an old man or a couple kissing? |
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Faded Circle — Stare at the black dot in the middle, the outer edges of the circle fade away. |
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| Waves — Move the scroll bar up and down to optimize the waves. |
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| Do you see a dog? |
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| Spiral — Is the spiral right? Or is it a grouping of circles? |
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| How many faces do you see? |
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| Diamonds — Switching of stereo match and binocular, rivalry occur |
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