A study in JCO Oncology Practice surveyed 542 oncology professionals across 55 countries on exactly this overlap. The numbers are stark: 56.1 percent met criteria for burnout, 34.1 percent had high impostor phenomenon scores, and 38 percent were identified as maladaptive perfectionists. The lead author, an oncology fellow who began the project after recognizing the pattern in his own career, didn’t mince words about what he found, saying, “The findings of the survey are really very dark.”
What the coverage of this study hasn’t said yet, and what twenty years measuring the biology of stress has taught me, is that imposter syndrome and burnout aren’t two conditions that happen to travel together in high-stakes medicine. They’re two faces of the same physiological event.
The wrong question
The standard framing treats imposter syndrome as a thinking problem (a distorted belief about one’s own competence) and burnout as a resource problem (too much demand, too little recovery). Fix the thought, fix the workload, and each should improve independently. That’s why the interventions look the way they do: wellness programs, mindfulness apps, and resilience training on one side; workload reduction and scribes on the other. It’s also why, after decades of exactly this kind of intervention, oncology burnout rates haven’t meaningfully or sustainably moved. Set against those numbers, talk-based interventions read like they can’t land, and may even reinforce the very narrative they’re meant to interrupt, because they’re aimed at the wrong layer of the nervous system. You cannot reason with a threat circuit that fired before reasoning was online.
I’d argue the two syndromes aren’t independent because they’re not actually two problems. Both are downstream of the same ancient threat-detection circuitry doing exactly what it evolved to do, aimed at a target it was never built to recognize as survivable.
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One circuit, two symptoms
When a clinician walks into a room to deliver a diagnosis, present a case at tumor board, or defend a treatment decision under scrutiny, the body doesn’t distinguish that moment from any other socially evaluative threat. A fast, old circuit (amygdala, insula, anterior cingulate) fires before a single conscious thought forms, and under sustained exposure to that kind of threat, vagally mediated heart-rate variability drops and the prefrontal cortex’s regulatory grip is muted. That’s the same biology whether the output gets labeled “I don’t belong here” or “I have nothing left to give.”
Imposter syndrome is what that circuit sounds like when it’s still fighting: overworking, over-preparing, and chasing certainty that never lands. Burnout is what it sounds like when the same circuit has been firing long enough that the system stops fighting and starts shutting down. Both states also share a chemical signature. Sustained activation of the HPA axis keeps cortisol elevated, and chronically elevated cortisol further impairs the prefrontal cortex’s ability to override the alarm, the same mechanism whether it’s showing up as compulsive over-preparation or as the flattened, can’t-summon-the-energy state of burnout. Imposter phenomenon can drive overwork and fear of failure, potentially leading to burnout, and perfectionism further reinforces this cycle by amplifying imposter thoughts and delaying help-seeking. That is precisely what a single dysregulated threat response would produce over time, not two separate conditions that happen to correlate.
Why this matters for what we do next
If that’s right, it changes the intervention. You cannot resolve either problem by talking someone out of it, because the alarm doesn’t originate in language. Cognitive strategies, such as reframing, affirmations, and “You belong here” messaging, address the narration the circuit produces, not the circuit itself. That’s not a reason to abandon them; it’s a reason to stop expecting them to work alone.
What the body needs first is regulation: lowering the physiological load directly, before asking the reasoning brain to do anything with it. Paced breathing that measurably raises vagally mediated HRV. Structured recovery that’s actually protected, not just offered. Training that treats self-doubt and exhaustion as one signal instead of two intake forms. None of this replaces addressing the real structural drivers of oncology burnout, the workload, the stakes, and the grief embedded in the work itself. But a body running on a maxed-out threat response can’t absorb even well-designed structural fixes, any more than you can renovate a house while the fire alarm is still going off inside it.
The oncologists in this study aren’t experiencing two separate crises of confidence and capacity. They’re describing the same nervous system from two different points on its arc. Until the interventions treat it that way, physiology first, the numbers are unlikely to move, not because the field isn’t trying, but because it’s aiming at the narration and missing the circuit underneath it.
Kymberlee O’Brien is a psychophysiologist.
