Your memory is a lot like the telephone game, according to a new study. Every time you remember an event from the past, your brain networks change in ways that can alter the later recall of the event.

Next time you meet someone new, repeat their name four times over the next week and you may remember it ... it top of mind.

Ranganath directs the Dynamic Memory Lab at the University of California, Davis, where he's a professor of psychology and neuroscience. In the new book, Why We Remember, he writes about the ...