Andrew Huberman· PhD
They are very, as we call it, parasympathetic dominant. That seesaw of autonomic arousal is just really relaxed.
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.
They are very, as we call it, parasympathetic dominant. That seesaw of autonomic arousal is just really relaxed.
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Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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There are dogs like Costello, or like a nuclear bomb could go off and Costello might open an eye. That's the bulldog, economy of effort. They're not going to get activated unless there's a reason to do it. They are very, as we call it, parasympathetic dominant.
But certain animals, the hinge is tighten so that the seesaw just kind of tilts mellow like Costello.