Summary
Some patterns seem to ripple even though they’re static. Tiny eye movements and edge-contrast processing are to blame—the painting doesn’t move, perception does.
There are moments you stare at a poster and ask, “Is this moving?” The image is static—the motion feeling is a side effect your eyes and brain produce together.\n\nYour eyes are never perfectly still; they make tiny jumps and drifts. When the brain processes edges and contrast, it can interpret those micro-movements as change, creating a ripple illusion.\n\nSurprising detail: the strength can vary with fatigue and attention. It may look stronger at certain moments because your brain’s prediction filters shift.\n\nThis shows how art can play with perception. The artist designs the illusion, but your brain completes the brushstrokes.
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