Final answer:
The cat's curiosity is likely related to its stimulus motives. Cats have a drive to experience altered states, such as their response to catnip.
Step-by-step explanation:
The cat's curiosity is likely related to its stimulus motives. Some nonhuman animals, like cats, exhibit a drive to experience altered states, such as their response to catnip. This drive can be compared to the universal human drive to alter one's state of consciousness. Cats' curiosity drives them to explore their environment and engage in behaviors that stimulate their senses.