Overview I've been considering the role that memory plays in human strife. As a result, I've been toying with a kind of SiFi scenario where all human memories are simultaneously wiped out and all of humanity and its behaviors are forced entirely into the present, with minimal influence from our mind's perspective of the past other than books, films, etc. We could learn about who we WERE. Scenario Suppose that the Roswell (and other) aliens were actually a team of E.T. scientists that are here to conduct a specie-wide experiment on humans. The purpose of the experiment is to determine whether, how, and to what degree humanity would either progress or regress, evolve or devolve, should all of their individual and collective memories of their life experiences be completely blotted clean at the same time. Motor skills and the like would remain intact but the entire human race would completely forget who they were and would have no memories of their previous lives. The aliens perform this de-memorization of the specie and humanity suddenly finds itself looking out on a world with a perspective that's entirely free from the past. How would it behave? Brief background The good Memory is a bit of a two-edged sword. It provides continuity of experience and pretty much defines our mental pictures of who we are and what our lives are about, not only as individuals but also on the various collective levels as well. So also, we learn and use memory to avoid having to â€œreinvent the wheelâ€ and make survival that much easier. The Bad However, memory is also the primary fuel for the engines of human strife! No memories would also imply no grievances, no bitterness, and no inner desire for vengeance - at least at the very start of the experiment. Most, if not all, of our current scaffolding of animosity would suddenly cease to exist! I think that would be an interesting theme for a sci-fi story that also, â€œunder the hoodâ€, examines one of the main engines driving our petty hatreds, wars, and general inability to â€œget alongâ€. Your ideas? So, what do you think it would be like if all of us suddenly forgot everything about ourselves? Would we begin to cooperate for survival? Would we suddenly be forced by our primal needs to turn into wild beasts? Would we, after hundreds or thousands of years, eventually end up back in the same kind of situation we find ourselves today? Any thoughts?