Donald Hoffman

speaker

2,139 appearances 4 recordings 4 series first heard Apr 2025 last heard 26 Jun

Donald Hoffman’s voice in public audio — every appearance, attributed to the second.

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recordings per month · last 12 months

Recordings per month over the last 12 months — 3 in all, peaking in Jun 2026 with 2.

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And that's the problem with ostensive definition.

But what's interesting is...

Almost everything you know that's important to you, you learn by a sense of definition.

And what's interesting as well is for all I know, the experience that you're having

that I say is orange.

And if I could get into you, into your head and have your experience, I might say, oh, you know what?

That is the experience of the taste of mint.

I call it orange, but I have no idea whether your experience is in mine.

I assume that they're similar to mine, but I have no way of knowing just because we behave the same way.

And if we look at our neural activity, we have the same kind of neural activity.

There's no way for me to know for sure that your experience is

is anywhere near like mine.

And we actually know that, for example, there are some women, in the case of color, that have four cone photoreceptors.

They're tetrafilms.

And so they have richer color experiences than any man could even imagine.

Yeah, absolutely.

There are these women, tetrafilms.

So we know that there are differences.

And so that's ostensive definition.

And the reason I brought that up is that when I say, you are the watcher, and I say,

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