What, exactly, makes you creative?
The short answer to what fuels our creative minds is off-duty neurons. While on duty our neurons are focused on survival and survival alone. But when they're not called to those tasks they generate random, spontaneous thoughts. We’ve got a lot of neurons, and they produce a lot of thoughts. This entertaining video is only three minutes long, it comes with the PBS seal of approval, and is delivered in a fresh Australian accent.
Video: The Neuroscience of Creativity