7 Cool Optical Illusions and How Each of Them Work

Optical illusions, often known as optical illusions, involve deception of the eyes. A wide range of misleading visual illusions can be perceived due to the arrangement of images, the effect of colours, the impact of the light source, or other circumstances.
You may have realised that not everyone experiences visual illusions in the same way if you've ever struggled to see the hidden image in a single-image stereogram. Some people are unable to see the effect of certain illusions.
Optical illusions are entertaining and fascinating, but they may also reveal a lot about how the brain and perceptual system work. There are innumerable optical illusions to choose from, but here are a few of the most entertaining.
   

1. The Hermann Grid Illusion-

The Hermann Grid illusion is an excellent example of seeing things that aren't really there. Take note of how the dots in the center of each intersection appear to alternate between white and grey. Different explanations have been presented to explain why this happens, as with many optical illusions.
 

2. The Ames Room Illusion-

Would it surprise you to hear that the two people in the image on the left are the same size? Learn more about how this famous optical illusion works and how it's been used in special effects films like The Lord of the Rings.
 

 

 
3. The Zollner Illusion-

The Zollner illusion is an example of how the background of an image can interfere with how your brain sees the image itself. If you gaze at this illusion for too long, it will make you feel a little queasy!
 

4.The Kanizsa Triangle Illusion-

We tend to see objects that are near together as a linked group, according to the Gestalt law of closure. In the instance of the Kanizsa Triangle, we even see contour lines that don't exist and overlook gaps in order to create a unified image.

5. The Muller-Lyer Illusion-

This is a classic illusion that continues to perplex many people. Which one is the longest? Both lines are actually the same length. Surprised? Learn about the Muller-Lyer Illusion and how it works.

6. The Moon Illusion-

If you've ever looked up at the night sky, you've probably observed the moon illusion, which occurs when the moon appears larger near the horizon than it does higher up in the sky. What causes this to happen?
Many explanations have been presented, but no commonly accepted explanation has emerged. You can learn more about the moon illusion and some of the hypotheses that have been proposed..

7.The Negative Photo Illusion-

Another amusing example of negative afterimages with an unexpected consequence. The negative photo illusion involves your brain and visual system converting a negative image into a full-color one.

Check out the illusion to see how it works and to try it yourself.

What are the 3 types of optical illusions?

Every visual illusion can be classified into one of three categories: physiological, cognitive, or literal. Let's look at these three groups and see which illusions fit into each.

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