1. How does your brain perceive objects?
OPTICAL ILLUSION
How does your brain perceive objects?

2. What do you see?
Duck or Rabbit?

3. Count the black dots.

4. Are the lines straight or diagonal?

5. What do you see?
Man playing horn or a woman’s face?

7. What do you see?
Skull or woman looking into a mirror?

8. Which direction is the train traveling?

9. What do you see?
Native American profile or Eskimo entering a cave?

10. What do you see?
One man or a couple of people?

11. What do you see?
Face or the word liar?

12. What do you see?
LIFT

13. What do you see?

14. Are the lines parallel or curved?

15. Which one is longer?

16. What do you see?
Young girl or old woman?

19. Move your head back and forth.

20. And here is another type of illusion
And here is another type of illusion. Count the people in the picture below. After they shift, count them again!

21. What do you see?

25. Your distance from this photo determines what you see
Your distance from this photo determines what you see.  Try stepping closer (or farther away)

27. Aoccdrnig to rscheearch at Cmabrigde Uinervtisy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht the frist and lsat ltteer be at the rghit pclae. The rset can be a toatl mses and you can sitll raed it wouthit a porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe.

28. Silhouettes

29. More Optical Illusions
The Break of the Curve Ball
Brain Games
Brain Hieroglyphics