How much R&D has been done in utilizing audio and visual stimuli to assist with learning?

We have all heard it, "I am smart but lazy". The entertainment and advertising industry has basically turned audience engagement into a science, so can these methods be applied in a more productive way? Human beings rarely remember the important stuff, but rather the emotional stuff. Stuff that produces a strong emotional response gets burned into the brain. Which is why teachers with a sense of humor tend to be better at delivering information.

What I am saying is: How do we put the science in the porn?