The acid reflux can not go to your brain, but gas can sort of go to your head, I have heard folks say they are dizzy because of it, I don't know how true, but gas can go up your back, etc.
wow that link is to much to read i lost atten and saw a bug tried again another bug ahh forget it
no acid reflux is acid flowing back up instead of staying down many different reasons
google it
to your head not unless your standing on it
im not up to date on my anatomy but the only opening to the brain is a small one top of the sinus i think
go to doc and get checked is the best answer and thing to do