How The Brains Of Happy, Successful People Are Wired

I'm assuming I have greater connectivity since I survived the stroke relatively well, hoping that this brain reserve is enough to prevent dementia. You'll have to ask your doctor how to achieve such wiring post-stroke.
Readable article discussing it here:

How The Brains Of Happy, Successful People Are Wired

Greater connectivity in the brain may be linked to greater happiness and life satisfaction.

The researchers found that people who scored higher in positive measures of lifestyle and behavior had stronger functional connectivity between brain regions associated with memory, language, imagination and theory of mind (the ability to attribute mental states to oneself and others). Those who scored higher on negative measures of personality and lifestyle -- including anger, rule-breaking, substance abuse and poor sleep quality -- tended to have weaker connections. 

 

The research it is based upon here:

A positive-negative mode of population covariation links brain connectivity, demographics and behavior