"Until recently, physicians have widely been unaware or dismissive of the symptom. "
Yeah no shit.
I went off Paxil and had brain zaps for over a YEAR. Gone now but I will never go on Paxil again, although it was 15 years ago and I think I've got this licked. :)
(And I tapered the paxil over two months, my doc just kept saying, "That's odd, they'll go away...")