Marco is cooking dinner. He detects the smell of the garlic that he is chopping. In this scenario, the proximal stimulus is the:
A) garlic clove.
B) signal being sent to the brain about the smell from the receptors.
C) odor molecule entering the nose from the garlic.
D) interpretation of neural signals in the brain.

Question

Quizplus · Accepted Answer

The proximal stimulus refers to the physical energy from a stimulus directly interacting with sensory receptors. In this case, the odor molecules from the garlic entering the nose are the proximal stimulus, as they are the direct physical entities that interact with Marco's olfactory receptors.

Marco Is Cooking Dinner