You Are Driving to School When Suddenly an Ambulance Rushes

Multiple Choice

You are driving to school when suddenly an ambulance rushes past you with its sirens blaring, shocking you so much that you fear that you might lose control of your car. A minute later, you hear sirens in the distance and increase your vigilance to be prepared for another emergency vehicle on the road. What change has come over your normal reaction to sirens?

A) Hebbian learning
B) sensitization
C) habituation
D) fight or flight