Hidden Brain

Have you ever googled something that you would never dream of saying out loud to another human being? Many of us turn to Google when we have a deeply personal or embarrassing question. And we're often more honest when we type our questions into search engines than when we answer surveys or talk to friends. Seth Stephens-Davidowitz, a former data scientist at Google, says our online searches provide unprecedented insight into what we truly think, want, and do. This week on Hidden Brain, what big data knows about our deepest thoughts and secrets.

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How do you spend your money? On food, transportation, or housing? On shoes, cars, coffee, fancy restaurants? You might think you use money just to, you know, buy stuff. But as Neeru Paharia explains, the way we spend often says a lot about who we are, and what we want to project. We use money to express our values — by going to the local coffee shop instead of Starbucks, or by boycotting — or buycotting — Ivanka Trump shoes. We delete Uber; we refuse to fly United. We seek out or avoid Chick-fil-A. This week on Hidden Brain, the ways we use our money to tell stories about ourselves, and to ourselves.

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Millions of people around the world use social media every day to stay in touch with friends and family. But ironically, studies have shown that people who spend more time on these sites feel more socially isolated than those who don't. This week on Hidden Brain, we explore the psychological effects that social media has on us, and how FOMO — or, the fear of missing out — can lead to actually missing out.

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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.

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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.

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Editor’s note: Since this episode first aired, researchers have raised concerns about a number of studies authored by Dan Ariely, including one cited in this episode. That study included data from an insurance company that purported to show that people are more truthful when they sign an ethics declaration at the beginning of a form than at the end. In an independent review, a group of researchers found evidence of data fabrication in that study. You can read more about their findings here, along with Dan Ariely’s response. The insurance company that provided the data, The Hartford, released a statement to NPR’s Planet Money in July 2023. In that statement, the company said that it had done a review of its records and that “there appear to be significant changes made to the size, shape and characteristics of our data after we provided it and without our knowledge or consent.” You can hear the full Planet Money story and read the full statement from The Hartford here. 

Additionally, a second study cited in this episode – in which Ariely reported reduced cheating among test-takers asked to recall the Ten Commandments before taking the test – has not stood up to replication by other researchers. You can read more about that here.  

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.

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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.

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There are some topics about which it seems no amount of data will change people's minds: things like climate change, or restrictions on gun ownership. Neuroscientist Tali Sharot says that's actually for good reason. As a general rule, she says, it's better to stick to your beliefs and disregard new information that contradicts them. But this also means it's very difficult to change false beliefs. This week, we look at how we process information, and why it's so hard to change our views.

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Nearly a year ago, we ran an episode about one of the world's most intractable divides: the Israeli–Palestinian conflict. Since that story aired, a solution seems even more out of reach. We wanted to play this episode again, because it offers something we don't often hear in the news: empathy for the other side.

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Making jokes about politics is a tradition as old as America itself. These days, of course, comedians have a new target: President Donald Trump. We talk with Iranian-American comedian Maz Jobrani about finding humor in the midst of deep political divides, and how he uses an understanding of human nature to craft a successful punchline.

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