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Which brain is making
your decisions 
right now?

It's probably not the one you think.

You have 3 biological intelligence centres: Head, Heart, and Gut.

One or maybe two of them lead automatically before you even realise it.

 

This free 5-minute test reveals which ones are guiding your life, and what that means for how you make decisions, relate to others, and lead your life, more than years of self-help books combined.

The 3 Brains Preference Test™ is the official self-assessment developed by Christoffel Sneijders to help you discover which of your 3 Brains - Head, Heart, or Gut - leads your decisions and emotions

5 minutes

 

The 3 Brains Dominance test 

Discover which of your 3 Brains - Head, Heart, or Gut-

is quietly running your decisions right now.

Available in 16 languages - choose yours to begin.

Used by people in over 43 countries worldwide

✓ Used in 43+ countries ✓ 13,000+ people transformed ✓ ICF & EMCC accredited methodology ✓ 97% satisfaction rate

If you want to understand the science behind how the 3 Brains and the 12 Protectors work, you can read more here.  

THE REAL PROBLEM

You know what to do.

So why aren't you doing it?

Most solutions only work on one brain. Yours has 3, and 2 of them aren't being asked.

You overthink decisions

Your Head keeps analysing because it fears being wrong — but without your Gut's courage, you never move.

You keep people-pleasing

Your Heart fears rejection so it says yes — but without your Head's clarity, you can't hold a boundary.

You push until you crash

Your Gut drives relentlessly forward — but without your Heart's warmth, you burn out alone at the top.

You stay emotionally distant

Your Head retreats into logic — but without your Heart's connection, relationships feel hollow.

You swallow what you really feel

Your Heart protects harmony — but without your Gut's assertiveness, your truth never gets said.

You perform instead of connecting

Your Gut projects confidence — but without your Heart's vulnerability, no one really knows you.

These aren't personality flaws. They are predictable patterns that emerge when your 3 Brains are out of alignment, when one leads without the other two.
The tests reveal exactly which brain is dominating and what's holding the others back.

Discover what drives you.
 

This test reveals a layer of your inner system. 

Step 1 - The foundation

The 3 Brains Dominance test 

Every decision you make — every reaction, every relationship pattern — starts in one of three biological intelligence centres. This test reveals which one leads when you're not consciously choosing. And why that matters more than you think.

  • Know your automatic decision pathway — the brain that leads before you even think about it

  • Understand your natural strengths — and the blind spots that come with them

  • See why you repeat the same patterns — in work, relationships, and under pressure

  • Get a personalised profile — one of 25+ combinations with specific growth insights

  • Learn the 3 questions that align Head, Heart and Gut before any important decision

✓ Used in 43+ countries ✓ 13,000+ people transformed ✓ ICF & EMCC accredited methodology ✓ 97% satisfaction rate

WHAT CHANGES AFTER THE TESTS

From self-aware to self-leading

Then discover what holds you back.

Taking both tests gives you something rare: a complete, nuanced picture of your inner decision-making system — and a clear path forward.

Decide without second-guessing

When you know which brain is speaking — and whether the other two agree — decisions become clear and grounded instead of agonising.

Relationships that feel real

Understand exactly why you over-give, withdraw, or push — and finally show up as yourself without fear of rejection or disapproval.

Sustainable energy and drive

Stop exhausting yourself proving, pleasing, or performing. Lead from genuine strength instead of from the fear of not being enough.

A map — not a label

This isn't a personality type that defines you. It's a living map of how your system works right now — one you can change.

The hidden gift in every pattern

Every Protector has a cost and a superpower. Every brain dominance has a strength and a shadow. Discover both — and use them.

Change that actually sticks

Because you're finally working with all three brains — not just the one that reads books and makes action plans.

13,000+

People Transformed

44+

Countries

300+

Certified 3 Brains Coaches

97+

Satisfaction Rate

16

Languages

When your Head brings clarity, your Heart brings meaning, and your Gut brings courage — your system stops pulling in different directions. That is where alignment begins.

 

Christoffel Sneijders MCC

Founder, 3 Brains Intelligence™ · ICF Master Certified Coach · Author · Visiting Professor at IE Business School & Georgetown University Qatar

When your Head brings clarity, your Heart brings meaning, and your Gut brings courage — your system stops pulling in different directions. That is where alignment begins.

 

Christoffel Sneijders MCC

Founder, 3 Brains Intelligence™ · ICF Master Certified Coach · Author · Visiting Professor at IE Business School & Georgetown University Qatar

The 3 Brains Dominance Test is available in 16 languages. ​

Choose your language

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When you like to connect with a 3 Brains coach  in a specific country, just connect with me
christoffel@3brainsIntellingence.com
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We believe in you so that you can become the best.

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