CSChristoffel SneijdersThree brains: head, heart and gut for decisions you keep deferring

The Science Behind our 3 Brains: How Head, Heart & Gut

2 Dec 2025 · 1 min

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In this introductory segment of his talk, Christoffel Sneijders argues that true happiness, health, and a flourishing life originate from within—an "inside‑out" perspective—yet we are constantly bombarded by external impulses that shape our behavior. To explain this tension, he proposes a three‑brain model consisting of a head brain, a heart brain, and a gut brain, suggesting that each plays a distinct role in how internal motivations and external stimuli interact to produce well‑being.

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What do you think? Happiness comes from inside out. And health, would it also come from inside out? And really having a flourishing life, the things you really like to achieve, would it also come from inside out? Just imagine all those things are true. And I believe they are true, by the way. Then how is it possible that we have so much impulses from outside in To make us happy. Now actually, that's extremely easy to explain, and it is just imagine we have three brains: a head, a heart, and a gut brain. The