If our eyes did not make small but quick and jerky movements, then we would not be able to see __________ objects in our environments clearly.
A) slow moving
B) fast moving
C) motionless
D) the colour of
E) the brightness of

Question

Quizplus · Accepted Answer

These small, quick, and jerky movements, known as saccades, prevent sensory adaptation to stationary objects. Without them, the constant gaze on a motionless object would lead to a fading of the image as neurons cease to respond to unchanging stimuli.

If Our Eyes Did Not Make Small but Quick and Jerky