When Change Feels Like a Threat, Performance Takes a Hit
Here’s what I’m seeing constantly right now: Leaders are dealing with major organisational changes – mergers, AI implementation, restructures – and they’re frustrated because their teams aren’t moving as fast as they need them to. The typical response? “We just need to get the right people on the bus.”
But here’s the thing – when change initiatives stall or fail, it’s rarely about having the wrong people. It’s about leaders not understanding how the human brain responds to change, and why even your best performers can suddenly seem resistant or stressed when transformation is on the horizon.
I’m working with financial services firms going through M&A activity, legal practices implementing new technology systems, accounting firms restructuring their service delivery models, and of course the whole world is coming to grips with AI and its impact on how we work. In every case, the same pattern emerges: performance declines – not because people can’t handle the change – but because their brains are fighting it at a neurological level.
The real problem isn’t necessarily your people – it’s that most leaders don’t know how to make change feel less threatening to the brain. In this threatened state, people can’t think clearly, make good decisions, or perform at their best.
What’s Really Happening in Your People’s Brains During Change
You know I love me some neuroscience to set the scene and explain why even your most capable team members can seem to lose their edge when change is happening – and why having a brilliant strategy isn’t enough.
Strategy Doesn’t Override Brain Wiring
I see this constantly with PE-backed transformations. The investment thesis is sound, the synergies are real, the cost-benefit analysis is compelling. But the human brains that need to execute said strategy are just operating on different priorities.
While leadership teams are focused on strategic logic, their people’s brains are running threat detection protocols that were needed to keep humans alive when potentially being eaten was a daily threat. A perfect strategy can’t override millions of years of evolutionary wiring that treats change as a potential threat.
Loss Aversion is Hijacking Decision-Making
Our brains are wired to feel potential losses far more strongly than equivalent gains. So when you announce a merger or a new AI system, your people’s brains immediately start scanning for what they might lose – their status, their expertise, their relationships, their sense of security. Even if the change will ultimately benefit them, their brains are focused on the potential downside first.
Of course that’s super handy when you need to weigh up the pros and cons of hunting and gathering, but in today’s workplace, it means your team is spending cognitive energy worrying about losses instead of focusing on their work or thinking creatively about opportunities.
Status Quo Bias Makes the Current State Feel Safer
There’s a reason people stick with familiar systems, processes, and ways of working even when they’re clearly suboptimal. The brain treats the known as safer than the unknown, regardless of logic. Your current state, however imperfect, feels predictable and manageable to the brain.
When you introduce change – especially when people don’t have full details yet – their brains interpret this as moving from safety into uncertainty. The result? Even minor changes can trigger stress responses that impact performance across your organisation.
The Anticipation Problem
Here’s something most leaders miss: the stress of not knowing what’s coming can be worse than the actual change itself. When people know transformation is happening but don’t have clear details, their brains fill in the gaps – usually with extremely creative worst-case scenarios.
Ah … if only that creativity could be channelled to implementing the strategy!
How to Work with Your People’s Brains Instead of Against Them
The good news? Once you understand how brains respond to change, you can use specific strategies to reduce the threat response and help your people perform better throughout the transformation process.
Reframe Losses as Avoided Bigger Losses
Life is all about perspective. So instead of focusing on what people will gain from the change, help them understand what bigger losses they’re avoiding by making this change now. For example, with AI implementation, rather than talking about efficiency gains, explain how not adopting AI puts the organisation at risk of being left behind by competitors.
This works because you’re activating the same loss aversion mechanism, but directing it toward maintaining the status quo rather than embracing change. Suddenly, changing feels like the safer option.
Create Certainty in the Midst of Uncertainty
You can’t eliminate uncertainty during change, but you can create islands of certainty. Be crystal clear about:
- What definitely won’t change (roles that are secure, values that remain constant)
- The process and timeline for decisions
- When people will get more information
- What support will be available
I worked with a legal firm going through a major restructure where partners were worried about sharing details before everything was finalised. We helped them identify what they could communicate with certainty, and saw immediate improvement in team performance once people had those anchor points.
Give People Agency in How Change Happens
The brain’s threat response is intensified when people feel like change is being done to them rather than with them. Even small amounts of choice and control can dramatically reduce stress responses.
This doesn’t mean letting people vote on whether change happens – the strategic direction isn’t negotiable. But you can give them choices about implementation timelines, training approaches, or how new processes get integrated into their current workflows.
Helping people to understand the neuroscience of what is happening in their brains in a time of change also helps them to choose to think differently and override those initial threatened feelings. This is also part of the process of giving them agency over the situation.
Address the Anticipation Anxiety Head-On
Stop trying to wait until you have all the answers before communicating. Instead, get comfortable with saying “Here’s what we know now, here’s what we’re still figuring out, and here’s when we’ll update you next.”
The brain goes into overdrive spending energy credits trying to fill in the gaps. So do as much gap-filling as you can to stop people projecting their worst fears onto the situation.
Why You Need to Address This Now
Every day you delay implementing brain-friendly change strategies, you’re losing cognitive capacity that should be driving strategy execution. When people’s brains are in threat mode, the mental energy they should be using to implement your brilliant plans is being diverted to stress management.
When people’s cognitive resources are consumed by change anxiety, they can’t:
- Think strategically about implementing new processes
- Focus deeply on complex client problems
- Collaborate effectively with colleagues on strategic initiatives
- Make good decisions under pressure
- Maintain their usual quality standards while learning new systems
And here’s what most leaders don’t realise – once cognitive performance drops during a change initiative, it creates a negative cycle that undermines the very strategy you’re trying to execute. Poor performance increases stress, which increases resistance to change, which leads to even worse performance and slower strategy implementation. That’s not a good cycle to be on.
The organisations that will thrive through current market pressures – whether that’s M&A activity, AI adoption, or restructuring – are the ones whose leaders understand how to keep their people’s brains in a state where they can actually perform and thrive during transformation.
And this skill is only becoming more critical. As the pace of change continues to accelerate, the leaders who can help their people’s brains adapt and perform through constant transformation will have a massive competitive advantage. Those who don’t will find themselves constantly fighting evolutionary biology instead of harnessing human potential.
Moving Forward: Change That Works with Human Nature
The neuroscience is clear: resistance to change isn’t a character flaw or a hiring problem. It’s a predictable brain response that you can work with instead of against.
Your best people want to succeed. They want the organisation to succeed. But they need leaders who understand how to make change feel less threatening so their brains can focus on performing instead of protecting.
The question isn’t whether you need to lead change – in today’s environment, change is constant. The question is whether you’re going to do it in a way that maintains performance and keeps your best people engaged, or in a way that triggers stress responses and undermines the results you’re trying to achieve.
Want to explore how to build a sustainable high-performance rhythm?
Join us at one of our upcoming workshops or 20:20 LinkedIn Lives to learn the neuroscience-backed tools we use to help leaders like you thrive — without the burnout.