Color Perception Theories Flashcards
Wk4 L2 - Wk5 L1
1
Q
Trichromatic Theory (Young - Helmholtz Theory)
A
3 Receptors create 3 primary color sensations
Blue / Green / Red
2
Q
Which cones must be activated to see yellow?
A
M and L (green and red)
3
Q
Which cones must be activated to see purple?
A
S and L (blue and red)
4
Q
Which cones must be activated to see white?
A
S, M, and L
5
Q
Is Trichromatic/Young - Helmholtz Theory correct?
A
NO
*only correct at the first phase of color processing
6
Q
Opponent Processing Theory
A
TBD
*correct at the second phase of color processing
7
Q
What are the color-opponent pairs?
A
red-green
blue-yellow
black-white
8
Q
What are the different +/- neurons according to Opponent Processing Theory
A
R+G-
G+R-
B+Y-
Y+B-
