Do you remember to study? Here's why...

Final exams loom, and you must review eight fact-laden textbook chapters and a binder full of class notes. Since you've made it to MIT, you probably know how to learn. A part of your mind seems to monitor your brain, telling you if you need to review a formula again, or if you know it cold, or if you could at least recognize it on a multiple-choice test.

But exactly where is that part of the mind?

Excerpted: MIT Newsoffice | contd...