Visual Sensory System Flashcards
1
Q
What are the theories of color?
A
There is trichromatic theory and opponent-process theory
2
Q
What is afterimage?
A
Afterimage is when there are images that occur when a visual sensation persists for a brief time even after the original stimulus is removed.
3
Q
What are the three types of cones that trichromatic theory produces?
A
red, blue and green.
4
Q
What is the opponent-process theory?
A
This theory proposes that visual neurons are stimulated by light of one colour and inhibited by light of another color.
