Been there dood! Had to take 4 days off work to let the swelling in my brain go down so that I could remember where I worked and what I was working on! Once the swelling subsides you'll start to remember stuff. Took me about a week to remember everything but I still to this day don't remember the day it happend.... waking up, getting in the boat, hospital, MRI, ride home, everything is just stories... dont remember a thing.
Don't let it get you down bro... sh*t happens. Keep riding!!