Which of these statements applies correctly to colour vision?
A)It is accomplished by rods at night and by cones during the day.
B)It depends on the three cone types' various ratios of stimulation in response to different wavelengths of light.
C) It is usually lost in vitamin A deficiency.
D) Same types of cones may use different neural pathways for comparing their outputs.

Question

Quizplus · Accepted Answer

Colour vision is accomplished by the three types of cones, each sensitive to different wavelengths of light. The brain then combines the signals from these cones into a perception of colour. This is why different colours can be perceived even when there is no change in overall brightness.

Which of These Statements Applies Correctly to Colour Vision