Hidden Brain

This week, Hidden Brain considers the power of touch. First, Alison MacAdam tells us the story of her security blanket, called Baba. Then, Shankar interviews writer Deborah Blum about groundbreaking experiments into the importance of affection for young children.

Imagine a concrete room, not much bigger than a parking space. You're in there 23 hours a day, 7 days a week. This is the reality of solitary confinement at prisons across the United States. Keramet Reiter, a criminology professor at UC Irvine, says that while some inmates in solitary are dangerous, others are there because they're difficult for prisons to manage, or because of bureaucratic inertia. This week on Hidden Brain, we look at what happens in solitary confinement, and the psychological effects of being alone for long periods of time.

Everybody lies. This is not breaking news. But what separates the average person from the infamous cheaters we see on the news? Dan Ariely says we like to think it's character — but in his research he's found it's more often opportunity. Dan Ariely is a professor at Duke University and the author of the book The Honest Truth About Dishonesty: How We Lie to Everyone — Especially Ourselves.

When you're hungry, it can be hard to think of anything other than food. When you're desperately poor, you may constantly worry about making ends meet. When you're lonely, you might obsess about making friends. This week on Hidden Brain, we explore the psychological phenomenon of scarcity and how it can affect our ability to see the big picture and cope with problems in our lives.