Illusions

• Visual illusions 


  Where the brain perceives something different from the actual physical reality
• Ponzo illusion 


  The line at the top must be longer then the line at the bottom.

  
• Ponzo illusion 


  Linear perspective and height in plane
• The muller - lyer illusion

  Unconsciously perceive the smaller line as the one with an inside corner and the longer one as an outside corner

  
• Rubin's vase illusion


  We see either a vase or two faces facing each other. However you can only see on at a time and not both

  
• Ames room


  How we perceive objects as being the same even when the visual image we receive is different

  
• Size constancy


  The Ames room
• Ambiguity 


  Rubin's vase illusion
• Misinterpreted depth cue


  Ponzo illusion and Muller - lyer illusion