An optical illusion is a visual phenomenon that tricks the brain into perceiving something differently than it actually is. This can occur through various techniques, such as using contrasting colors, patterns, shapes, or perspectives. Optical illusions exploit the way our brains process visual information, leading to misinterpretations of size, shape, position, or movement. There are several types of optical illusions, including: 1. **Literal Illusions**: Where the image created is different from the sum of its parts (e.
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