1. Brightness Perception
Arash Fazl

2. Vision Scientist’s Favorite Piece of Art

3. Light Reflected off a Surface Varies with Ambient Light
In a Dark Room
In Bright Sunshine 1
The Brain Needs to Discount the illuminant
Luminance vs Brightness

4. Brain Compares…
Simultaneous Contrast Illusion-

5. …Brain Compares

6. Herman Grid

7. Scintillating Grid

8. Wertheimer-Koffka Ring
Pitting Shape Perception Against
Brightness Perception

9. Simultaneous Contrast Failure: Munker-White Illusion
Pitting Depth Perception Against
Brightness Perception
Darker or lighter surround cannot explain the illusion

10. 3D Structure and Brightness

11. Craik-O'Brien-Cornsweet Illusion