Visual perception

Question 1

Visual perception

Answer 1

Product of visual perception has different properties:
1. lightness/brightness
2. Color
3. Form
4. Depth
5. Motion

Question 2

Lightness/brightness

Answer 2

Produced by the brain, can’t measure. Not sure how yet, thought lateral inhibition but this is not the case.

Question 3

Simultaneous lightness/brightness contrast phenomenon

Answer 3

Fact that visual illusions exist and even though you know they’re the same but are experienced different.

Question 4

Colour

Answer 4

White light trough prism shows all colours. Depends on wavelength and has 3 properties

Hue; color
Saturation: colourfulness
Brightness; see before

Question 5

Trichromates

Answer 5

Three types of cones. Short medium long, blueish greenish yellowish. Although color contrast plays a role ,identical physical properties can have different experience. Processed in V4

Question 6

Cerebral achromotopsia

Answer 6

Damage to V4, unable to see color