Which of the following accurately describes the difference between non-associative and associative learning?

A  Non-associative learning involves increased or decreased sensitivity to one stimulus, while associative learning involves forming connections between stimuli and responses.

B  Non-associative learning primarily occurs in the central nervous system, while associative learning primarily occurs in the peripheral nervous system.

C  Non-associative learning is only observed in humans and advanced primates, while associative learning can be observed in nearly any species.

D  Non-associative learning tends to occur consciously, while associative learning tends to occur unconsciously.