Visual illusions

    Cards (8)

    • Size constancy
      The brain perceives familiar objects as a constant size despite the size of the image they produce on our retina changing with distance
    • Misinterpreted depth cue
      Objects in the distance that appear smaller aee alsclaed up by our brain si they look normal size
      Sometimes the brain sees distance when there isnt any
    • Depth cues- Ponzo illusion
      Converging lines give the illusion of distance
      The brain uses size constancy and mentally scales up the more distant line while mentally scaling down the closer line
    • Depth cues- Müller-Lyer illusion
      Outgoing fins are shaped like the inside corner of a room which is stretching away from us
      Ingoing fins are shaped like the outside of a buildin, projecting out
      These give the illusion of near/far
      We mentally scale up the line that appears closer, so it appears longer
    • Ambiguous figure
      A type of visual illusion where there are two possible interpretations of the same image, the brain cannot which to choose
    • Ambiguous- Necker cube
      The sake omage of a cube can either be perceived as pointing up towards the right, or down towards the left
    • Fiction
      Visual illusion that causes the brain to see something that is not there
    • Fiction- Kanizsa triangle
      Illusory contours to create the impression that a second triangle is overlapping the first one