The Brain Lab

The science
of noticing
what's good.

Essays on negativity bias, habit formation, and why your brain discards the best parts of your day — plus what you can actually do about it.

All posts

The Science

Your Brain Is Not Broken. It's Set to the Wrong Default.

The negativity bias isn't a character flaw. It's a factory setting from 200,000 years ago — and factory settings can be changed.

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Progress · Neuroscience

Consistency Is the Compounding Effect Nobody Talks About

Warren Buffett built the greatest wealth in history on one word. Your gym trainer already uses it. And it's the reason you're not seeing the results you deserve.

May 18, 2026  ·  Read →

The Science

The 5:1 Rule: Why One Bad Thing Erases Five Good Ones

Your brain isn't being dramatic. It's running a ratio — and until you know about it, the math is working against you.

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La Ciencia

La Regla 5:1: Por Qué Un Mal Momento Borra Cinco Buenos

Tu cerebro no está exagerando. Está siguiendo una proporción. Y hasta que no la conozcas, las matemáticas trabajan en tu contra.

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Die Wissenschaft

Die 5:1-Regel: Warum Eine Schlechte Erfahrung Fünf Gute Auslöscht

Dein Gehirn übertreibt nicht. Es folgt einer Verhältniszahl. Und solange du das nicht weißt, arbeitet die Mathematik jeden Tag gegen dich.

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The Science

There Is No Better Predictor of Your Future Than Your Past

A follower in Argentina asked if there's spirituality in DOPAmine. This is the honest answer — and the two sentences I didn't expect to write.

May 14, 2026  ·  Read →

The Product Soon

Why I Quit Every Journaling App I Ever Tried

You didn't fail at journaling. The journal failed you — by saying nothing back. Every one-way street is a churn event waiting to happen.

Behavior Soon

The Moment a Habit Stops Being Hard

There's a threshold where the brain stops logging because it set a goal — and starts logging because it wants to. Here's what that crossing looks like.

The Science Soon

Why Your Streak Counter Is Making You Worse

36 good moments logged, sitting next to a 2-day streak. The negative number dominates. The app designed to fight negativity bias is triggering it.

Behavior Soon

Day 90: What Actually Changes When You Train Your Brain for 3 Months

Not a testimonial. A roadmap. What the research actually says happens at Day 7, Day 14, Day 30, and the point of no return.

The Science Soon

The Four Pillars: Why Self-Development Only Works When You Work All Four

Mindset. Body. Emotions. Goals. The research on why these don't work in isolation — and what happens when you finally run them together.

La Ciencia

No hay mejor predicador del futuro que el pasado

Una seguidora en Argentina preguntó si hay espiritualidad en DOPAmine. Esta es la respuesta honesta. Y las dos frases que cambiaron todo.

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