Stories Trigger Three Chemical Reactions
The Science of Story: Part 4 Neuroscientists have identified three key chemicals that get released when someone is emotionally engaged in a story
The Science of Story: Part 4
This one’s about chemistry.
Because when you tell a good story, you’re not just entertaining people.
You’re altering their brain chemistry.
Literally.
Here’s the science:
Neuroscientists have identified three key chemicals that get released when someone is emotionally engaged in a story. Together, they create a powerful cocktail that shapes how we focus, feel, and remember.
Cortisol gets released during moments of tension or conflict. It’s your brain’s built-in alert system.
It says: “Pay attention. This matters.”
Dopamine kicks in when something unexpected or exciting happens. It’s the curiosity chemical.
It says: “Ooh. What’s next?”
Oxytocin gets released when we experience connection, empathy, or trust.
It says: “I like this person. I believe them. I want to help.”
In other words:
Story activates focus, curiosity, and trust—all at once.
From a communication perspective, that’s the perfect trifecta.
It means if you want someone to truly hear your message, care about it, and remember it later… you need a story.
And here’s the good news: you can learn how to do it.
You don’t need to be a neuroscientist.
You just need to understand the three components of a compelling story:
Conflict (Cortisol): Introduce a challenge or obstacle that demands attention. The higher the stakes, the better.
Surprise (Dopamine): Add tension, twists, or unexpected stakes to keep curiosity alive.
Resolution and Human Connection (Oxytocin): End with empathy, shared humanity, or a vision of hope.
Let me show you what I mean.
A Quick Example
Let’s say you’re giving a company-wide update. Here’s the “flat” version:
“We’ve had a 7% decline in Q2 growth compared to projections. We’re restructuring team workflows to address these gaps and will be adding one-on-ones to support morale.”
Now here’s the story-shaped version:
“When our Q2 numbers came in, we were all surprised—and honestly, as CEO, I was a little shaken. They were 7% below projections. I took a few deep breaths and set aside some time to look at the data. And here’s what I saw: most of that drop was tied to a single gap in our team structure. Then suddenly, I was way less worried and a lot more excited about ways to fix the problem. So starting next week, we’re testing a new workflow model. I’ll also be doing short one-on-ones to make sure every voice is heard—because I know transitions can feel personal. We’ve got a strong team. And we’re going to come out of this stronger.”
Same facts.
But one paints a picture, builds tension, and creates connection. The other just lists data.
The story version hits the brain with cortisol, dopamine, and oxytocin.
The data version barely registers. Or worse, it creates tension and uncertainty.
Final Thought
When you tell a story, you’re not just making a point.
You’re running someone’s internal pharmacy.
So use that power wisely.
If you want people to focus, care, and act—it doesn’t start with data or a memo or a PowerPoint slide.
It starts with…
Once upon a time…



I'm in an Episcopal lay preacher training class. Lacing sermons with good stories of the kind you outline really makes a good sermon, I've been learning. Or at least a sermon that people enjoy and pay attention to.
Joe, this is holy mischief in lab coat form.
The mystics knew this long before neuroscience caught up: stories don’t just inform, they transform. They stir the chemistry of attention, desire, and belonging.
Cortisol says “stay awake.”
Dopamine says “stay curious.”
Oxytocin says “stay human.”
And that cocktail? That’s the sacred trinity of good trouble.
It’s why Jesus told parables and not policy briefs. Why the prophets wept in metaphors. Why every revolution begins with someone saying, “Let me tell you a story…”
You’re not just running someone’s internal pharmacy. You’re lighting the incense in their neurological temple.
Carry on, Story Shaman.