Experience affects perception.

Two examples of experience affecting perception
  1. What color are these dots?
  2. You have more experience with rectangular buildings than young children and than people from some cultures (e.g., Zulus). This experience makes you more likely to being fooled by the horizontal/vertical illusion as well as by the Muller-Lyer illusion.
Two ways experience affects perception
  1. Top-down processing: Our past experiences and our expectations help us get an idea/hypothesis about what we will experience and that affects what we do experience; using what we know to organize sensations into a meaningful perception.
  2. Examples of top-down processing in perception.

  3. Helson's adaptation level (psychology's theory of relativity). How intense something feels depends on the intensity of your past experiences. That is, how big, small, loud, or soft something feels to you depends on your frame of reference. For example,

Implications of Perception and Reality Being Two Different Things

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