Why Leadership Begins in the Brain.
Your prefrontal cortex, the part of your brain responsible for strategic thinking, creativity and problem solving, sound judgement and self-control, does not know the difference between a hostile boardroom and a toddler who won’t put their shoes on.
It just knows it’s already been asked for a lot, before 9am.
I’ve walked into meetings like this myself. My child fed, dressed, and out the door, lunchbox packed, shoes finally located, while half my brain is already rehearsing the meeting ahead, one hat swapped for another before I’ve even sat down. Running on too little sleep, straight into a conversation that needs the sharpest version of me: full attention, quick thinking, the ability to read the room and respond well under pressure. And yet, I’m sitting down already depleted, aware that what’s being asked of me and what I currently have available might not be the exact same thing.
Sometimes, there are factors beyond our control, and what happens in the brain when we face these situations is biological, and it starts long before the meeting does.
Before your response to a demanding conversation becomes rational, it is biological. Your brain has already decided, based on what your body has just been through, how much of itself it’s willing to lend you and your cognitive functioning. And it makes that decision without asking your intellect for permission.
This is the territory the Imagine Beyond Neuro® Model was built to map.
Why a hard morning shows up in the room
At the base of the model sits the brainstem, the oldest part of the brain, and its only real question in any given moment is whether you’re safe. It doesn’t know the difference between a genuine threat and a stressful, sleep-deprived, running-late kind of morning. To this part of your brain, depleted is depleted, and it responds the same way it would to danger: it prioritises survival over everything else.
Cortisol rises. Attention narrows. You move from thrive into survive, often without noticing the shift has happened. You become less flexible in your thinking to activate performance under pressure, and so the very thing that the meeting is about to demand becomes harder to access, not easier.
Can I think? is the question this layer is asking. Until the answer is yes, nothing above it is fully available to you, no matter how capable you are in ordinary conditions.
What you don’t say, you’re still saying
The next layer of the model is about what you’re transmitting.
Nestled in the middle of your brain is the limbic region, where your emotions, memory, motivation, mood, and hormones are activated. And this area broadcasts constantly, whether you intend it to or not. Walk into that meeting frazzled, and the room will register it before you’ve said a word, in your tone, your energy, the pace of your speech, even how you sit down. People read these signals the way you’d read a change in the weather: instinctively, and usually correctly – because the human brain has been hardwired and finely tuned over thousands of years to read this depth of communication for its survival.
And this is where trust is built or eroded. You can say all the right things and still have the room feel that something’s off, because what’s landing isn’t your words. It’s what’s underneath them.
The layer everyone praises, and almost nobody protects
Here is where the capability most people associate with leadership actually lives: strategic thinking, creativity, sound decision-making, influence, self-awareness, and what we call at Imagine Beyond the entrepreneurial mindset, the trained capacity to keep looking for opportunity even inside difficulty and uncertainty.
And here is the part almost nobody tells leaders: this layer, your prefrontal cortex, becomes harder to access, and will go offline under threat, including the low-grade, drip-feed threat of a stressful morning and too little sleep.
Not metaphorically. When the brainstem perceives depletion or danger, blood flow and cognitive resources are actively redirected away from exactly the executive functions sophisticated leadership requires, and towards basic survival. The capability that meeting needs most from you is the first thing your brain deprioritises when it believes you’re running on empty.
Which is why the leaders who navigate demanding days are the ones who’ve learned to notice what’s going on for them, quickly, and to steady the two layers of the brain beneath this one, so strategic thinking stays reachable even when the morning didn’t go to plan.
What lands on everyone else
None of this stays contained. It never does.
The people in that 9am meeting don’t see your brainstem, your limbic state, or your executive function doing its work, or struggling to. What they see and feel is the result: whether the room feels safe to speak up in, whether the thinking in it is sharp or confusing, whether they leave more energised or more depleted than when they arrived.
Everything inside the leader’s brain determines everything everyone else experiences.
That’s not a reason to feel guilty about the mornings that don’t go to plan. It’s a reason to stop treating them as irrelevant to how you lead an hour later. The two are the same system.
A question to consider…
Next time you walk into something demanding and already depleted, ask: Which part of my brain needs a moment before this starts? What am I about to transmit, whether I mean to or not? And what’s realistically available to me right now, versus what I wish were?
The answer is rarely “push through.” It’s almost always “regulate first, then lead.”
This article is a map for understanding how core parts of your brain in the room respond under pressure, and is the work I do with leaders in my coaching practice and the Entrepreneurial Leader Programme.
Claire Koryczan is the Founder of Imagine Beyond Limited, a London-based leadership development consultancy. She works with founders, senior leaders, and HR professionals globally to develop entrepreneurial thinking, human leadership, and high-performance cultures. The Imagine Beyond Neuro™ Model underpins the coaching and diagnostic work behind her programmes.
Learn more: imagine-beyond.co.uk or listen to Claire’s podcast episode on Neuroscience for in-depth information.
