There is oodles and oodles and oodles of research about how meditation affects the brain. Oodles. Go onto pubmed.com and type ‘meditation’ and over 3500 articles come up. When you have a brain injury, you better meditate. You can work out a ton, and I can give you all kinds of exercises and suggestions as a physical therapist, but if you’re not meditating and doing breath work you’re not going to get the results that you want. You need to work on the brain directly for anything to truly change.