Andrew Huberman· PhD
The reward prediction error that people talk about dopamine representing is the prediction error that you get for every single step whether or not you've received reward.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
The reward prediction error that people talk about dopamine representing is the prediction error that you get for every single step whether or not you've received reward.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
If you, you know, the dopamine system loves novelty, especially positive novelty, right? You don't think you're going to have a great meal someplace that turns out to be spectacular versus you're really expecting a place to be great. Your friend says it's terrific and then it's okay. And you get dopamine um codes for a lot of the expectation reward relationship.