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The most influential word you'll never say

The situationYou're about to perform: an important pitch, a difficult conversation with an employee or a critical question from senior management. Your heart is pounding, and your mind goes blank.

When the stakes are high, we often obsess over every word. We rehearse opening lines and polish our arguments. Yet the most important part of your communication happens before you even open your mouth.

A 2-3 second pause and a breath, before you speak.

THE MECHANISMYour brain can't escape a lion and communicate sharply at the same time

Our brains are still running on an ancient operating system designed to protect us from physical danger. It hasn't really caught up with modern life.

As a result, your brain often treats a difficult conversation with a colleague, an important pitch or a discussion in the team the same way it once treated meeting a lion on the savannah. The moment you feel pressure or a bit of anxiety, your alarm system (the amygdala) activates. It scans for threats and floods your body with stress hormones.

Effective for escaping a lion. Less effective for communicating with impact or working together.

The challenge is that presenting, discussing and collaborating all require cognitive capacity. While your ancient alarm system is busy preparing your body to fight or flee, it steals the bandwidth you need to be empathetic, articulate and sharp.

THE UPGRADEThe 2-3 second pause

To improve your communication, your first word should always be a breath. Before you answer a question or begin a presentation, take a deep breath and hold a short 2-3 second pause. Why does it work?

• It quiets the alarm: A deep breath sends an immediate "everything is fine" signal to your nervous system.
• It creates bandwidth: Those few seconds of silence give your brain the calm it needs to retrieve information and avoid a messy, disjointed answer.
• You regain control: By the time you start speaking, you have reactivated your brain's full capacity. You communicate from a state of mastery rather than survival.

Bonus hack: Once you've mastered the pause, use the time to focus on what you can actually control, such as the tone of your voice or asking a curious question.

WHEN THE PRESSURE IS HIGHYou can't always think your way to calm. But you can act your way there

• Breathe: 2 in, 4 out. In through your nose, longer and slower out through your mouth. The long exhale lowers your heart rate and gives your body the signal "I'm okay".
• Bring the CEO back. Going blank? Notice the colours in the room one by one, or count backwards from 150. It moves your focus from the alarm back to the part of the brain that thinks clearly.

THE SCIENCENervousness steals your resources

Even for a seasoned expert, biology can lock the door to your knowledge under pressure. You don't forget information because you're unprepared, but because your brain has switched to survival mode.

Neurobiology shows that nervousness can steal your cognitive capacity, and your available working memory can drop from 90% to just 30% (Rock, 2009; Beilock & Carr, 2005).

• The hijack: Your brain prioritises speed over accuracy. It sends energy to your muscles instead of your logical centre. You're ready to fight, not to lead.
• The lockdown: Stress hormones (such as cortisol) interfere with your working memory. That makes it almost impossible to remember your points while listening to others at the same time.
• Social surveillance: Your brain becomes obsessed with scanning for social danger, like a sceptical look or negative body language, so it loses the ability to solve problems strategically.

Want to train it with your team? That's exactly what my workshops and talks are about.