Imagine 2+2 becoming a difficult concept for a week, then you're doing recursive algorithms with the best of them.
Had one while I was white boarding. I understood the what I was explaining but I was writing pure gibberish.
Another while in a violin lesson. Instructor said play these 3 notes. I play a bunch of completely random ones. He's like umm, no, let me show you again. I play a new set of random notes. Repeat about 10 times. Finally he's like "is there something wrong with your head?"
Factor 5 Leiden (genetic high clotting) is about 5% of population. So not that low of odds. Took doctors 3 years to figure out I had this. I'm still fighting to get my kids tested.
I belong to some young stroke survivor groups. The range of disability is amazing. From full recovery in a few days after an event to never.