The Nocebo Effect

Written on 07/21/2025
Lt. Brian Ellis

Command presence starts in your mindset, and your words shape more than morale. They shape brain chemistry.

New neuroscience research confirms something seasoned leaders sense:

Negative expectations make pain and stress feel worse.

It’s called the nocebo effect, and it’s highly relevant to public safety.

In our world, words aren’t just communication; they’re conditioning.

When a supervisor starts a shift briefing with:
• “It’s going to be a long one…”
• “We’re short again—nothing we can do…”
• “Don’t expect any backup tonight…”

It comes across as brutal honesty. However, the brain interprets it as a danger, priming the team for fatigue, irritability, and underperformance.

Nocebo isn’t a theory. It’s how expectation becomes biology.

And in public safety, that means:
Slower reactions
Sharper tempers
Higher error risk

What should we do differently?

Own your influence.
You’re not just managing tasks; you’re setting the neurological tone for your team.

Don’t sugarcoat; but don’t sabotage.
Call out challenges, yes. But frame them with resolve, not defeat.

Prime your team for control, not chaos.
Try this:
“We’ve handled worse. Let’s stay sharp and focused.”
You’ve just triggered a different chemical reaction: resilience.

In public safety, mindset is tactical.

Your words either build your team’s readiness or break it down before they hit the street.

Leadership isn’t just a job. It’s shaping human performance under pressure.
That starts in the brain, and with you.