The invisible breast cancer: experience does not protect against inattentional blindness to clinically relevant findings in radiology
Open accessAbstract
Retrospectively obvious events are frequently missed when attention is engaged in another task-a phenomenon known as inattentional blindness. Although the task characteristics that predict inattentional blindness rates are relatively well understood, the observer characteristics that predict inattentional blindness rates are largely unknown. Previously, expert radiologists showed a surprising rate of inattentional blindness to a gorilla photoshopped into a CT scan during lung-cancer screening. However, inattentional blindness rates were higher for a group of naïve observers performing the same task, suggesting that perceptual expertise may provide protection against inattentional blindness. Here, we tested whether expertise in radiology predicts inattentional blindness rates for unexpected abnormalities that were clinically relevant. Fifty radiologists evaluated CT scans for lung cancer. The final case contained a large (9.1 cm) breast mass and lymphadenopathy. When their attention was focused on searching for lung nodules, 66% of radiologists did not detect breast cancer and 30% did not detect lymphadenopathy. In contrast, only 3% and 10% of radiologists (N = 30), respectively, missed these abnormalities in a follow-up study when searching for a broader range of abnormalities. Neither experience, primary task performance, nor search behavior predicted which radiologists missed the unexpected abnormalities. These findings suggest perceptual expertise does not protect against inattentional blindness, even for unexpected stimuli that are within the domain of expertise.
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Human experts may face challenges in detecting certain endoscopic targets, even in high-resolution still images.
“Taken together, these perceptual and cognitive bottlenecks indicate that human experts may face challenges in detecting certain endoscopic targets, even in high-resolution still images ( Fig. 2 ) [ 11,30 ].”
From Enhancing human-AI collaboration: The case of colonoscopy (2024) · cites this paper as [11]
The Results (Detection of Incidental Breast Cancer) report that 66% of radiologists missed a large breast mass while searching CT scans for lung cancer, supporting the general point that experts can miss visible targets. The paper studies radiology CT scans, not endoscopic targets in high-resolution still images, so it does not establish that specific setting. (LLM, conf=0.87)
Experimental — accuracy not yet measuredGuided search can overlook relevant but untargeted objects, producing inattentional blindness.
“The guided search can even overlook relevant but untargeted objects, producing astonishing phenomena like inattentional blindness [11 , 12] .”
From Enhancing human-AI collaboration: The case of colonoscopy (2024) · cites this paper as [11]
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Enhancing human-AI collaboration: The case of colonoscopy
Introzzi, L., Zonca, J., Cabitza, F., Cherubini, P., & Reverberi, C. (2024) · Digestive and Liver Disease · doi:10.1016/j.dld.2023.10.018 · Cited by 28 · see citing works
- Authors
- Williams, L., Carrigan, A., Auffermann, W., Mills, M., Rich, A., Elmore, J., & Drew, T.
- Affiliations
- University of Utah (US)
- Macquarie University (AU)
- University of California, Los Angeles (US)
- Corresponding author
- Williams, Lauren
- ORCID
- Venue
- Psychonomic Bulletin & Review
- Published
- 2020-11-02
- Volume
- 28
- Issue
- 2
- Pages
- 503-511
- ISSN
- 1069-9384 (ISSN-L)
- 1531-5320
- PMC
- PMC8068567
- OpenAlex
- W3094972072
- Cited by
- 45
- References
- 0
- Citations by year
- 2026: 3 · 2025: 3 · 2024: 6 · 2023: 21 · 2022: 6 · 2021: 6
- FWCI
- 3.93
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Psychonomic Bulletin & Review (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- eScholarship (California Digital Library) (submittedVersion)
- Funders
- Radiological Society of North America
- National Cancer Institute
- National Institute of Biomedical Imaging and Bioengineering (F32EB011959)
- Topics
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Radiology practices and education
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Visual Attention and Saliency Detection
- Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
- Keywords
- inattentional blindness, perceptual expertise, radiologists, breast cancer detection, CT scan interpretation, lung cancer screening, lymphadenopathy, attentional capture, observer experience
- MeSH terms
- Adult, Attention, Breast Neoplasms, Female, Follow-Up Studies, Humans, Lung Neoplasms, Pattern Recognition, Visual, Practice, Psychological, Professional Competence, Radiology, Task Performance and Analysis
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