I am not sure if Nuerologists can fix damage to neurons, yet.
However, the ability of the brain to adapt to previous wounds is remarkable.
I have heard of a guy who was hit by a car 15 years ago in a Coma state and he suddenly woke up, walked to the door and can speak!
He is not completely 100% but can live a relatively normal life.
Even if the neurologist you will see cannot "fix you" he/she will figure out ways to help.
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Music is the language of the world.
Math is the language of the universe.