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Improving Radiology Trainees' Perception Using Where's Waldo?

Sadaf Sahraian1, David Yousem1, Elham Beheshtian1

  • 1Russell H. Morgan Department of Radiology and Radiological Science Johns Hopkins University School of Medicine, Baltimore, Maryland.

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Summary
This summary is machine-generated.

Practicing "Where's Waldo?" games improved radiology residents' image search efficiency but not their accuracy in detecting abnormalities on chest X-rays (CXRs). This training impacted reading speed more than detection skills.

Keywords:
image interpretationperceptionradiology residents“Where's Waldo?”

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Area of Science:

  • Medical Imaging
  • Radiology Education
  • Visual Perception

Background:

  • Diagnostic radiology expertise relies heavily on perceptual skills.
  • Developing efficient image search strategies is crucial for accurate radiological interpretation.
  • Radiology residents require effective training methods to hone their diagnostic abilities.

Purpose of the Study:

  • To evaluate if practicing "Where's Waldo?" image search tasks enhances the accuracy and speed of abnormality detection on chest radiographs (CXRs) among first and second-year radiology residents.
  • To investigate the impact of non-radiology visual search training on resident performance in interpreting medical images.

Main Methods:

  • A pretest-posttest design was employed with radiology residents from three institutions.
  • Participants were divided into a trained group (engaging with "Where's Waldo?" images) and a control group.
  • Chest radiographs (CXRs) were used for pre- and post-testing, with eye-tracking data collected at one site for visual search parameter analysis.

Main Results:

  • While both groups showed significant improvement in post-testing accuracy and a decrease in session time, there was no significant difference in detection performance between the trained and control groups.
  • The trained group exhibited a significantly greater decrease in session time compared to the control group, indicating improved reading efficiency.
  • Eye-tracking data revealed significant increases in per-image search efficiency among residents who underwent "Where's Waldo?" training.

Conclusions:

  • Practicing non-radiology visual search tasks like "Where's Waldo?" can enhance radiology image search efficiency.
  • This type of training primarily impacts the speed of image interpretation rather than the accuracy of abnormality detection.
  • The findings suggest that while these tasks may improve reading efficiency, they do not directly translate to enhanced diagnostic accuracy skills in radiology residents.