The pupil of the eye automatically constricts when a bright light is directed at the eye. What does this illustrate?
A) a conditioned stimulus
B) habituation
C) a conditioned response
D) an unconditioned response

Question

Quizplus · Accepted Answer

The automatic constriction of the pupil in response to a bright light is an example of an unconditioned response, as it is a natural and automatic physiological reaction that does not require prior learning or conditioning.

The Pupil of the Eye Automatically Constricts When a Bright