Inattentional blindness in experts sounds like a contradiction. We tend to assume that experience produces wider awareness. The veteran officer, elite athlete, seasoned leader, or incident commander should see more and see it sooner.
Often, they do. But expertise also depends on learning what not to notice.
Expert performance is selective, not panoramic
In a simulated police traffic-stop study, trainees and experienced officers approached a vehicle with a handgun fully visible on the passenger-side dashboard. Fifty-eight percent of trainees and 33 percent of experienced officers missed it.
Experience helped. It didn’t make anyone immune.
This wasn’t simply a failure to look. Inattentional blindness occurs when something is visible, but attention is committed to another task. The information reaches the scene without becoming part of the performer’s working understanding of that scene.
What interests me is that expertise can sometimes strengthen this effect. In one experiment, professional fingerprint analysts were more likely than novices to miss a large gorilla image embedded in a fingerprint. The image wasn’t relevant to the matching task, and the experts were highly efficient at filtering it out.
That filtering is usually an advantage. A quarterback can’t process every movement in the stadium. A fire officer can’t give equal weight to every sound on a scene. An executive making a time-sensitive decision can’t treat every data point as equally important.
Skilled performance requires selection.
Why experts miss the unexpected
Expertise builds expectations about which cues matter, where they’ll appear, and what they’re likely to mean. Those expectations accelerate recognition and reduce wasted effort. They also create a model of the situation before every detail has been consciously examined.
If an unexpected cue doesn’t fit that model, it may be treated as noise.
The broader evidence is nuanced. A meta-analysis of expertise and inattentional blindness found little support for the idea that experts reliably notice unexpected stimuli more often than novices. The studies were limited and results varied by task, which is exactly why sweeping claims about experience and awareness should make us cautious.
The answer isn’t simply more focus
Telling a skilled performer to focus harder may deepen commitment to the current interpretation. As I’ve written before, more focus can sometimes make performance worse when the situation requires a shift.
A better performance question is: What would interrupt the current model?
That might mean rehearsing unusual changes instead of only standard scenarios. It might mean assigning someone to monitor conditions outside the primary task. It might be a brief reset question during a pause: What doesn’t fit here?
Knowing what to look for isn’t the same as being able to notice what you weren’t expecting. Expertise creates a powerful attentional filter. High-level preparation has to train when to trust that filter and when to loosen it.