Wow, you put a lot into this, very complex. I have read and watched a lot of videos by Dr. Caroline Leaf regarding how the brain works and how to reprogram one's brain, it is fascinating. I believe the brain is built for eternity, heaven or hell, it's way too much to go into, however, the vastness is easier to comprehend looking at it from an eternal perspective. You can check out the videos on Youtube for more information.