Dr. Dacher Keltner

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876 appearances 1 recordings 1 series first heard Apr 2026 last heard 6 Apr

Dr. Dacher Keltner’s voice in public audio — every appearance, attributed to the second.

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Recordings per month over the last 12 months — 1 in all, peaking in Apr 2026 with 1.

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and I want to talk about this computational work, started to expand the vocabulary of faces.

And now there's a lot of data that suggests there are 20 different facial expressions.

laughter, love, compassion, awe, you know, whoa, embarrassment, shame, pain, you know, and that in some sense has broadened the taxonomy of emotions.

We used to think of six.

Now there are probably 20 distinct states in the mind.

And that's where the field is heading is to really start to

Think about physiological patterns, brain patterns of these distinct states.

And I'll tell you, the hardwiring question, I mean, it's hard science to do, right?

Just to imagine videotaping people from five different countries, getting their emotional expressions and then making sense of them.

it used to take one hour to code the facial muscle movements of one minute, right?

So this is slow science.

And I would really encourage listeners and viewers to go to alancowen.com.

And I had a grad student at Berkeley, Alan Cowen, who...

You know, he's a computational genius.

And he looked at our old science and said, we can use AI to code the face.

And he did it with Google engineers.

He coded 144, 2 million videos from 144 cultures and 16 facial expressions.

75% overlap across cultures in how we show awe at fireworks, concentration on a test, you know, laugh at friends.

So right now, I would say 50% to 60% is hardwired as part of who we are in our evolutionary history.

And then the rest is subject to variation in interesting ways.

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