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OPTICAL ILLUSIONS

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6/6/09. 1. OPTICAL ILLUSIONS. What do YOU see? 6/6/09. 2. 6/6/09. 3. 6 ... WHAT IS AN OPTICAL ILLUSION ? illusions that deceive the human visual system into ... – PowerPoint PPT presentation

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Title: OPTICAL ILLUSIONS


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OPTICAL ILLUSIONS
What do YOU see?
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WHAT IS AN OPTICAL ILLUSION ?
  • illusions that deceive the human visual system
    into perceiving something that is not present or
    incorrectly perceiving what is present.

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A COGNITIVE VISUAL ILLUSION
  • Exploits the predictive cues of early visual
    processing.
  • Misdirects in-built assumptions or knowledge
    while processing.
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