In a recent LinkedIn post, Liz Bradford challenges the conventional wisdom of seeking out merely supportive relationships, arguing that the impact of one’s inner circle runs far deeper than simple motivation. Bradford, a leadership expert, asserts that the physiological state of those around us directly influences our own cognitive functions and leadership capabilities through a process she terms “nervous system co-regulation.” This perspective shifts the focus from motivational cheerleading to the tangible, biological effects of social proximity.
Bradford elaborates on this concept, stating:
“It’s not about motivation or cheerleading. It’s about nervous system regulation – and the physiological reality of how other people’s energy states directly impact your cognitive capacity and leadership presence.”
The Physiological Impact of Your Circle
According to Bradford, the popular advice to “surround yourself with people who believe in you” is fundamentally incomplete. She posits that our nervous systems are in constant dialogue with those around us. When an individual is exposed to people who maintain a state of hypervigilance or chronic stress, it doesn’t just lead to emotional fatigue. Bradford argues that this exposure actively compromises critical cognitive functions.
She explains the detrimental effects:
“This means the wrong circle doesn’t just drain your energy – it compromises your prefrontal cortex, narrows your decision-making capacity, and puts you in a chronic state of stress response.”
This state, Bradford notes, hinders effective leadership by narrowing focus and increasing stress, rather than fostering an environment conducive to clear thinking and strategic decision-making. The implication is that the composition of one’s professional network has a direct, measurable impact on brain function and performance.
Cultivating a Capacity-Expanding Environment
Conversely, Bradford highlights the profound benefits of associating with individuals who foster a different kind of environment. The “right people,” in her view, contribute to a state of psychological safety, allowing an individual’s nervous system to “downregulate” from a state of stress. This shift is crucial for unlocking higher cognitive potential.
Bradford emphasizes the positive outcomes:
“They create psychological safety that allows your nervous system to downregulate. They expand your thinking rather than trigger your defence mechanisms. They hold space for your growth without adding pressure to your system.”
To illustrate her point, Bradford shared an anonymized case study of a Managing Director. This leader, despite achieving success, felt perpetually on edge. An audit of her close professional relationships revealed that a significant portion kept her in a state of “hypervigilance.” Following a strategic recalibration of her inner circle, the Managing Director experienced marked improvements in her decision-making clarity, leadership presence, and overall capacity.
Rewiring for Peak Performance
Bradford concludes by underscoring the transformative power of intentional relationship management. Her analysis suggests that the people we choose to associate with are not merely influencing our mindset, but are actively involved in the neural rewiring that underpins peak performance. The question she leaves her audience with is pivotal for anyone seeking to enhance their leadership effectiveness: distinguishing between those who contract our capacity and those who expand it.
As Liz Bradford concludes, the composition of one’s inner circle is a critical factor, actively shaping the brain’s capacity for high performance.
📝 About This Content
This article is based on insights shared by Liz Bradford on LinkedIn.
📅 Originally posted on December 18, 2025 | View original post on LinkedIn →