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Seeing faces or meaningful patterns in random stimuli, like clouds or toast
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After staring at a rotating spiral, a stationary object appears to expand or contract
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A wireframe cube that can be perceived as facing two different directions
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A pattern of contrasting colors that creates the illusion of movement in peripheral vision
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A pattern of concentric circles that appears to expand or contract when the viewer moves their head
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A pattern of circles that appears to move and shimmer due to the contrasting colors
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A dress appearing to be different colors under different lighting conditions
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A circle appears larger or smaller depending on the size of the surrounding circles