Must Watch: The Most Insane Optical Illusions

An optical illusion (also called a visual illusion) is characterized by visually perceived images that differ from objective reality. The information gathered by the eye is processed in the brain to give a perception that does not tally with a physical measurement of the stimulus source. There are three main types: literal optical illusions that create images that are different from the objects that make them, physiological illusions that are the effects of excessive stimulation of a specific type (brightness, colour, size, position, tilt, movement), and cognitive illusions, the result of unconscious inferences. Pathological visual illusions arise from a pathological exaggeration in physiological visual perception mechanisms causing the aforementioned types of illusions.

1. Stare at the center, and the “missing dot” becomes a green dot.

2. Where did the missing square go?

3. These rectangles are moving at the same, constant speed:

Most Insane Optical Illusions (7)

4. But this alligator’s head isn’t moving at all:

Most Insane Optical Illusions

brusspup / youtube.com / Via gifak-net.tumblr.com

5. Stare at the green dot, and the yellow dots will begin to disappear.

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6. Is this woman spinning clockwise or counterclockwise?

Most Insane Optical Illusions (8)

7. Is the train going into the tunnel or out of it?

Most Insane Optical Illusions (6)

8. This drawing is not animated:

Most Insane Optical Illusions (3)

brusspup / youtube.com / Via cineraria.tumblr.com

9. This gray bar never changes color:

Most Insane Optical Illusions (9)

10. And neither does this piece of paper:

Most Insane Optical Illusions (5)

brusspup / youtube.com / Via cineraria.tumblr.com

11. This pointer is totally straight:

Most Insane Optical Illusions (2)

12. Stare at the center dot, and the white shapes turn colored.

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