Hidden Brain

Should you tell a harsh truth if it will only cause pain? Or is it sometimes kinder to keep someone in the dark? Psychologist Emma Levine explores the unwritten rules that guide when people feel it’s acceptable to lie — and what those choices reveal about trust, harm, and our deepest moral values.

How do the groups you identify with shape your sense of self? Do they influence the beer you buy? The way you vote? In this favorite episode from 2021, psychologist Jay Van Bavel explains how our group loyalties affect us more than we realize, and can even shape our basic senses of sight, taste and smell. Then, look out! There's a g-g-g-ghost! Psychologist Coltan Scrivner answers listener questions about the surprising benefits of scary entertainment.

We tend to see depression as an illness to eliminate, evidence that something has gone wrong in the brain. But what if low mood serves a purpose? Psychologist Jonathan Rottenberg examines the evolutionary roots of depression and reflects on his own painful experience with suicidal despair. He explores how depression can narrow our focus, and sometimes open the door to change.

Disgust is a strong emotion, one designed by evolution to protect us from danger and diseases. But disgust also spills into other areas of our lives, influencing our morals, our intuitions about right and wrong, even our politics. We talk with psychologist David Pizarro about how disgust is used to persuade and divide us, and why it remains such a potent force in public life today. Then, in our latest installment of “Your Questions Answered,” Huggy Rao returns to respond to listeners’ thoughts and questions about why big ideas fail.

Charismatic leaders can inspire devotion and give people a powerful sense of meaning. They can also make us vulnerable. This week, we explore how figures across history have gained followers by offering clarity in moments of uncertainty — and why that clarity can come at a cost. Historian Molly Worthen explains how to recognize the spell of charisma, and why questioning it is essential to a healthy society. Then, on Your Questions Answered, Antonio Pascual-Leone returns to respond to listeners' thoughts and questions about moving on after a breakup.