In studies of classical conditioning in Aplysia, which of the following usually serves as the unconditioned stimulus?
A) touching the mantle
B) touching the siphon
C) the gill-withdrawal reflex
D) electric shock to the tail

Question

Quizplus · Accepted Answer

In studies of classical conditioning in Aplysia, the electric shock to the tail usually serves as the unconditioned stimulus. This is because the electric shock naturally elicits the gill-withdrawal reflex, which is the unconditioned response.

In Studies of Classical Conditioning in Aplysia, Which of the Following