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Expanded AI learning: AI as a Tool for Human Learning
Shahriar Faghani1, Christin A Tiegs-Heiden1, Mana Moassefi1
1Department of Radiology, Mayo Clinic, 200 First St SW, Rochester, MN 55905.
Rationale And Objectives:
To demonstrate that a deep learning (DL) model can be employed as a teaching tool to improve radiologists' ability to perform a subsequent imaging task without additional artificial intelligence (AI) assistance at time of image interpretation.
Methods And Materials:
Three human readers were tasked to categorize 50 frontal knee radiographs by male and female sex before and after reviewing data derived from our DL model. The model's high accuracy in performing this task was revealed to the human subjects, who were also supplied the DL model's resultant occlusion interpretation maps ("heat maps") to serve as a teaching tool for study before final testing. Two weeks later, the three human readers performed the same task with a new set of 50 radiographs.
Results:
The average accuracy of the three human readers was initially 0.59 (95%CI: 0.59-0.65), not statistically different than guessing given our sample skew. The DL model categorized sex with 0.96 accuracy. After study of AI-derived "heat maps" and associated radiographs, the average accuracy of the human readers, without the direct help of AI, on the new set of radiographs increased to 0.80 (95%CI: 0.73-0.86), a significant improvement (p=0.0270).
Conclusion:
AI-derived data can be used as a teaching tool to improve radiologists' own ability to perform an imaging task. This is an idea that we have not before seen advanced in the radiology literature.
Summary Statement:
AI can be used as a teaching tool to improve the intrinsic accuracy of radiologists, even without the concurrent use of AI.
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