The hippocampus is a crucial structure for forming long-term memories and also enables human imagination by allowing for the combination of stored information in new ways.

“The hippocampus is important for memory is a too simple a way to think about it. What the hippocampus is important for is what we've already talked about associating things together writ large. Anytime you need to associate something together either for your past your present or your future you are ”