1. Are you ready?

2. Welcome to Perception and Cognition JEOPARDY !

3. Some reminders about the game: When called upon, pick a category and a dollar value. Once the answer is read, raise your hand as soon as you are ready to respond. When called upon for a response, remember to word your response in the form of a question.

4. BrightnessMotionColour Art and Image Illusions 100 200 300 400 100 200 300 400 100 200 300 400 100 200 300 400 100 200 300 400 Categories and amounts

5. Lightness is determined by these two quantities

6. Cones and rods are most sensitive to these wavelengths

7. Lateral inhibition explains this “brightness illusion”

8. Weber’s law

9. Two visual systems for detecting movement

10. Outflow theory

11. Motion of a dim light in a dark room

12. Movies and television depend on this

13. Two non-spectral hues

14. Sunlight, Light bulbs, and candle light

15. The three dimensions of psychological colour

16. Young-Helmholtz and Hering

17. The Ames Room depends on this

18. The task of visual perception

19. Representations of this property have varied across time and cultures

20. Differences in depth, differences between the eyes

21. The four classes of visual illusions

22. Many distortions are caused by confusion of these cues

23. Pathway not confused by distortions

24. Some hallucinations are due to this visual process

25. Thanks for Playing!