Optical illusions can occur due to various factors, including the brain’s attempts to make sense of ambiguous or conflicting visual cues.
Here are some common types of optical illusions:
1. **Geometric Illusions:** These illusions involve shapes and patterns that appear distorted or skewed even though they are drawn correctly.
2. **Ambiguous Figures:** Images that can be interpreted in multiple ways, such as the famous Rubin’s Vase, where the same image can be seen as either a vase or two faces.
3. **Motion Illusions:** Visual effects that create a sense of movement or motion where none exists, like the spinning dancer illusion.
4. **Color Illusions:** Manipulation of colors and contrasts that can make objects appear to change color or create the illusion of depth.
5. **Size and Perspective Illusions:** Alterations in the perceived size or distance of objects, like the Ponzo illusion where two identical lines appear different in length due to surrounding context.
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