Interesting talk:
youtube.com/watch?v=59ODYOa...
I personally believe that neuroplasticity is a property of our brain that we can try to use in our favor as MS patient. If some of the "wiring" is damaged by MS, we can train and practice everyday to have our brain new pathways for our neurons to work together.
(I'm not a doctor or scientist. Just an engineer fascinated by the brain).