visual illusions

• visual illusions are perceptual phenomena in which our perception of an object or scene does not match its physical reality.
• There are various explanations for visual illusions including:

  1. ambiguity
  2. misinterpreted depth cues
  3. fiction
  4. size constancy
  5. the ponzo illusion
  6. the muller-lyer illusion
  7. rubin's vase illusion
  8. the ames room illusion
  9. the kanizsa triangle illusion
  10. the necker cube illusion
• Ambiguity-

  some visual illusions occur because of the ambiguity of the visual information presented.

  for example, the Necker cube illusion occurs because the lines lines the cube are ambiguous and can be perceived in two different ways, leading to the perception of the cube flipping back and forth between two different orientations.