How this turned into an SSRI debate I have no idea, but I can say OP that if you just lay off the drugs for now you will get better. In high school I abused psychedelics (mainly acid) way too much and could barely even speak coherently. But after some time off of it I regained my brain back for lack of a better terms and was fine as far as that. Looking back I wish I had had more respect for psychedelics, but live and learn I guess? Either way I'm betting if you just give yourself some time off of it your cognitive abilities will come back. Just be patient because in my case it took a little while.