Art goes to a meeting in New Orleans and tries some oysters at the oyster bar. He likes the taste and eats quite a few. Soon he becomes very ill with an upset stomach. Now, even the thought of oysters makes him nauseous. What is the unconditioned stimulus? What is the unconditioned response? What is the neutral stimulus that becomes the conditioned stimulus? What is the conditioned response?

What is the unconditioned stimulus? Eating the oysters.

Art was naturally and automatically triggers in response to presence of food (a stimulus)

What is the unconditioned response? Getting nauseous and feeling sick with an upset stomach.

What is the neutral stimulus that becomes the conditioned stimulus? Thought of oyster

After Art's experience, the thought of oyster is now the product of his learned behavior

What is the conditioned response? Feeling nauseated