The human visual system apparently is not sensitive to stimuli that
A) are extremely fast in their movement.
B) consist of particular angles and line orientations.
C) break down rhodopsin.
D) are unchanging.
E) are moving directly towards the eyes.

Question

Quizplus · Accepted Answer

The human visual system is less sensitive to unchanging stimuli because it is designed to detect changes in the environment. This is why we may not notice something that remains constant in our visual field, as our attention and sensory systems are tuned to detect movement or change.

The Human Visual System Apparently Is Not Sensitive to Stimuli