Abu Rasel Speech 104
1.  Are they ships or pillars!!!!
2.Are they audiences or buildings ?????
3.How many horses are there in this picture? Should find 7
4.How many people are there ????????
5.Impossible ring
6. live carpet 
7.water fall or human fall???
8.In the forest there are five hidden deers....... .Can you find all of them???????? ? 
9. How many pillars are there ,three or two ???????????     Look at the middle column. Where does it end?  
10.DO YOU SEE FOUR PEOPLE?
11.Who is the tallest?
12.A face?  ...  Or, the word 'liar' ?
13.NEXT:  What do you see here? Do you see the word "LIFT"?   Or, a bunch of black splotches  ?
15.NEXT?  FIND THE FACES:  
16. THE LAST ONE:    FOCUS ON THE DOT! 
What is optical illusion? <ul><li>An optical illusion is characterized by visually perceived images that, at least in comm...
There are two main types of illusion: <ul><li>Physiological illusions that are the effects on the eyes and brain of excess...
Optical illusion occur for two basic reason- <ul><li>1. The brain often relies on past experiences to make assumption abou...
<ul><li>Thank you for watching </li></ul>
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Opticul illusion

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Opticul illusion

  1. 1. Abu Rasel Speech 104
  2. 2. 1.  Are they ships or pillars!!!!
  3. 3. 2.Are they audiences or buildings ?????
  4. 4. 3.How many horses are there in this picture? Should find 7
  5. 5. 4.How many people are there ????????
  6. 6. 5.Impossible ring
  7. 7. 6. live carpet 
  8. 8. 7.water fall or human fall???
  9. 9. 8.In the forest there are five hidden deers....... .Can you find all of them???????? ? 
  10. 10. 9. How many pillars are there ,three or two ???????????   Look at the middle column. Where does it end?  
  11. 11. 10.DO YOU SEE FOUR PEOPLE?
  12. 12. 11.Who is the tallest?
  13. 13. 12.A face?  ...  Or, the word 'liar' ?
  14. 14. 13.NEXT:  What do you see here? Do you see the word &quot;LIFT&quot;?   Or, a bunch of black splotches  ?
  15. 15. 15.NEXT?  FIND THE FACES:  
  16. 16. 16. THE LAST ONE:    FOCUS ON THE DOT! 
  17. 17. What is optical illusion? <ul><li>An optical illusion is characterized by visually perceived images that, at least in common sense terms, are deceptive or misleading. </li></ul><ul><li>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. </li></ul>
  18. 18. There are two main types of illusion: <ul><li>Physiological illusions that are the effects on the eyes and brain of excessive stimulation of a specific type - brightness, tilt, color, movement. </li></ul><ul><li>Cognitive illusions where the eye and brain make unconscious inferences. </li></ul>
  19. 19. Optical illusion occur for two basic reason- <ul><li>1. The brain often relies on past experiences to make assumption about what you being seen. </li></ul><ul><li>2. The functioning of the eye-brain system can be disturbed and the eye is fool or tricked. </li></ul>
  20. 20. <ul><li>Thank you for watching </li></ul>

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