Study suggests strength of brain’s neural pathways a key factor in intelligence

This leads to 2 questions;
1.  Do those with better pathways recover from stroke more easily?
2. If so, how do you increase these pathways to promote better recovery?
 You'll have to read this Stanford School of Medicine article at the link.
Do you know someone from Stanford Medicine?, ask them these 2 simple questions.
 http://scopeblog.stanford.edu/2012/08/02/study-suggests-strength-of-brains-neural-pathways-a-key-factor-in-intelligence/