Read some relatively recent literature about the brain, motivation and learning.
There is a plethora of books a teacher can read to update his or her understanding of the brain and learning. Here are a few suggestions and some videos that might give you ideas.
Brain Rules – John Medina | How the Brain Learns – David A. Souza | Drive – Dan Pink |
Brain Power: Form Neurons to Networks – by Tiffany Schlain & the Moxie Institute Films
The Learning Brain – by the Learning Pod