Memory is not a recording device. It doesn't play back events like a video camera would. Instead, it's a remarkably active, creative process that reconstructs the past each time we reach for it.

Memory is the process by which information and data is encoded, stored and retrieved. "What did I eat for breakfast this morning?" "Where did I leave my car keys?" "Who is buried in Grant’s Tomb?" ...

Building a model of the phenomenon you’re studying can help you understand how that thing works. Roadmaps are models of the highways and roads between here and there. We use them to predict how we ...