What you'll learn
How the visual world is interpreted.
Key ideas
- Gibson: direct, bottom-up perception.
- Gregory: top-down, using inference and experience.
- Monocular and binocular depth cues; size constancy.
- Illusions (e.g. Müller-Lyer) test the theories.
Exam tips
- Contrast Gibson and Gregory.
- Use illusions as evaluation.
Common mistakes
- Confusing bottom-up with top-down.
- Mixing up depth cues.