9 TED Talks that will teach you how your mind works

It's kind of scary that we use our minds every second of every day, but few of us understand exactly how it functions.

Even psychologists and neuroscientists are often stumped by why we think and behave the way we do.

Some of those researchers have appeared on the TED stage to talk about the questions that keep them up at night. The following nine talks - on topics like decision-making, happiness, and our concept of time - are some of the most thought-provoking in TED's collection.

Each one will bring you one step closer to understanding who you are.