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From KQED.

Thank you. From KQED Public Radio in San Francisco, I'm Mina Kim.

We're on vacation this week and replaying some of our favorite shows.

Today, our April interview with Shankar Vedantam, author of Useful Delusions.

Vadentham says that holding false beliefs is not necessarily a sign of pathology or ignorance,

but rather a means for accomplishing certain goals.

We talk to the Hidden Brain podcast host about the lies we tell ourselves and each other

and the role some forms of deception play in sustaining relationships and making us happy.

That's next on Forum. I'm Mina Kim. If you've listened to Shankar Vedantam's podcast, Hidden Brain,

then you know that it's about seeing reality clearly, about recognizing the mental errors

that can keep us from the truth and from becoming our best selves.

But recently, Vedantam says, he's come to realize that holding false beliefs also has a vital

...