Why Do Many Scientists Measure Eye Movement as a Way

Multiple Choice

Why do many scientists measure eye movement as a way of understanding cognition?

A) It is impossible to monitor activity within a living brain, but eye movement helps scientists understand visual memory.
B) It is likely that if we look at something for at least a few seconds, then we are mentally processing details about that person or thing.
C) Many scientists believe that the sooner a subject looks away from something, the more time he or she dedicates to processing information about it.
D) Eye movements lead to corresponding behaviors in the olfactory and auditory sense systems.