Which of the following receptive fields would NOT occur in normal trichromatic color perception?
A) +S center with -ML surround
B) +M center with -L surround
C) -S center with +ML surround
D) +LM center with -S surround

Question

Quizplus · Accepted Answer

In normal trichromatic color perception, receptive fields are typically organized to detect contrasts between short (S), medium (M), and long (L) wavelengths. A +LM center with -S surround does not fit the typical opponent process theory, which usually involves contrasts between S and ML or M and L, not combining M and L in the center against S.

Which of the Following Receptive Fields Would NOT Occur in Normal