Brent Peterson spent 11 seasons in the NHL as a player. He's been involved in hockey at a high level ever since his retirement in the late 1980s, coaching junior teams and spending 12 years behind the bench of the Nashville Predators as an assistant.
Following the 2010-11 season, however, Peterson was forced to step down from his coaching role due to a battle with Parkinson's disease. He's stayed on the Preds staff as an advisor to the hockey operations department, but he's no longer on the bench and on the ice during practice.
Parkinson's took that life away from him, but thanks to some remarkable technology, Peterson seems ready to grab some of it back.
The coach has been undergoing therapy called Deep Brain Stimulation, which uses electric pulses, sort of like a pacemaker, to treat the brain. It doesn't work on all Parkinson's patients, but it's certainly working on Peterson. This video from WKRN, via Predators blog On the Forecheck, is just unbelievable.
Just... wow. You can see him visibly get better in a matter of seconds. Just absolutely incredible. Let's hope Peterson's condition keeps improving, and that life gets back to normal as much as it can for him.