Answer:
The correct answer is - Neutral stimulus is knock on the door;
CS is Knock on the door; and
UCS is cocaine.
Explanation:
A neutral stimulus is a type of stimulus that do not generates specific response initially but only brings attention but when it is used with the unconditioned stimulus (UCS) it becomes the conditioned condition (CS).
In this case, Alexis develops a CS from the neutral stimulus which is knock on the door with working with the UCS which is cocaine in this particular case.
Thus, the correct answer is - Neutral stimulus is knock on the door;
CS is Knock on the door;
UCS is cocaine.
Pandemic
A pandemic is when a disease spreads to a large number of people
