One of the interfaces provides for scrubbing through his thoughts and memories, stimulating dreams and stepping into the dreams. It can pause, alter, and resume his thoughts like a debugger. It can relate all the processes to the wellbeing of different components of his brain.
It destroys his brain in the process of analysis, replacing it with structures it builds and thoughts and memories it simulates and guesses. This was a compromise to reach market faster. He has been through the process before.
