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Opticul illusion

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Transcript

  • 1. Abu Rasel Speech 104
  • 2. 1.  Are they ships or pillars!!!!
  • 3. 2.Are they audiences or buildings ?????
  • 4. 3.How many horses are there in this picture? Should find 7
  • 5. 4.How many people are there ????????
  • 6. 5.Impossible ring
  • 7. 6. live carpet 
  • 8. 7.water fall or human fall???
  • 9. 8.In the forest there are five hidden deers....... .Can you find all of them???????? ? 
  • 10. 9. How many pillars are there ,three or two ???????????   Look at the middle column. Where does it end?  
  • 11. 10.DO YOU SEE FOUR PEOPLE?
  • 12. 11.Who is the tallest?
  • 13. 12.A face?  ...  Or, the word 'liar' ?
  • 14. 13.NEXT:  What do you see here? Do you see the word "LIFT"?   Or, a bunch of black splotches  ?
  • 15. 15.NEXT?  FIND THE FACES:  
  • 16. 16. THE LAST ONE:    FOCUS ON THE DOT! 
  • 17. What is optical illusion?
    • An optical illusion is characterized by visually perceived images that, at least in common sense terms, are deceptive or misleading.
    • The information gathered by the eye is processed by the brain to give a percept that does not tally with a physical measurement of the stimulus source.
  • 18. There are two main types of illusion:
    • Physiological illusions that are the effects on the eyes and brain of excessive stimulation of a specific type - brightness, tilt, color, movement.
    • Cognitive illusions where the eye and brain make unconscious inferences.
  • 19. Optical illusion occur for two basic reason-
    • 1. The brain often relies on past experiences to make assumption about what you being seen.
    • 2. The functioning of the eye-brain system can be disturbed and the eye is fool or tricked.
  • 20.
    • Thank you for watching