Patient K.C. can’t remember anything that happened more than a few minutes ago. His worldview:
Tellingly, not only can he not recall the past, he can’t envision the future. When researchers ask him to picture himself somewhere he might go, he says that all he sees is “a big blankness.” … The bottom line is that memory is essential to constructing scenarios for ourselves in the future. Anecdotal evidence backs this up. Our ability to project forward and to recollect the past both develop around age 5, and people who are good at remembering also report having vivid thoughts about the future.
The Dish 