Question

Dr. Graham exposes rats to a vanilla scent prior to receiving a food pellet in the left corner of their cage, but provides no food after exposure to a lemon scent. After several trials, upon smelling a vanilla scent, the rats wait at the far left corner of the cage regardless of whether a food pellet is present. However, they do not wait in the far left corner when exposed to the lemon scent. What is the unconditioned stimulus in the experiment?

Answer 1

Food pellet

Step-by-step explanation:

• A learning process which results due to an associated between two stimuli, one a natural stimulus and the other an environmental stimulus is known as classical conditioning.
• For classical conditioning, there is a neutral stimulus as well as the unconditioned stimulus.
• The unconditioned stimulus is the one which triggers a response in the organism automatically that is naturally without any prior learning.
• In the given example, the food pellet is the unconditioned stimulus.