To understand time travel you also have to understand human consciousness. This is something poorly understood at least in our time.
Even if you hack CA2 to allow information to process, you're not time traveling. You're just seeing other lifelines play out, ones that have to reconcile with sleep. More on that later (but I will say that's why you HAVE to sleep--without lifeline reconciliation you go crazy and die, think fatal familial insomnia).
Where the "hack" actually happens is in the entorhinal cortex. This is where consciousness is truly processed, bringing higher cortical signals into the pathway for processing. I touch on this in exhaustive details in the text but as a summary time travel is essentially routing efferent, or outgoing, signals from worldline 2 and sending those same signals to the afferent, or receiving end, in someone in worldline 1. In this way thoughts are "shared," bypassing any processing (afferent signals are completely unprocessed and efferent signals are fully processed, returning for memory storage to higher cortical areas. So this choice reflects receiving an outgoing thought from a traveler but allows you to process the thought!) Crazy stuff).
I have other stuff to do tonight, so I'm mostly just venting. I can organize thoughts later. I'm so tired of trying to show people how the universe works.
Speaking of which, I'll detail the origins of the universe next. Maybe that will get more attention. We can talk more about "dark matter" *cough, stored and unused wave functions, cough* and "dark energy" *cough, repulsive monopole, cough* later.
