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Transferring Cognitive Tasks Between Brain Imaging Modalities: Implications for Task Design and Results Interpretation in fMRI Studies
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Volumetric image interpretation in radiology: scroll behavior and cognitive processes.

Larissa den Boer1, Marieke F van der Schaaf2, Koen L Vincken3

  • 1Utrecht University, Heidelberglaan 1, 3584 CS, Utrecht, The Netherlands. l.denboer@uu.nl.

Advances in Health Sciences Education : Theory and Practice
|May 17, 2018
PubMed
Summary

Radiologists

Keywords:
Cognitive processesRadiologyScroll behaviorTraineesVolumetric image interpretation

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Area of Science:

  • Radiology and Medical Imaging
  • Cognitive Science in Medicine

Background:

  • Medical image interpretation is crucial for radiologists.
  • Volumetric imaging is increasingly used, but research often focuses on 2D images.
  • Understanding volumetric image interpretation is essential for training and practice.

Purpose of the Study:

  • To investigate the cognitive processes involved in volumetric medical image interpretation.
  • To explore the relationship between radiologists' scroll behavior and their cognitive actions.
  • To analyze the interplay between perception, analysis, and synthesis during volumetric image review.

Main Methods:

  • Twenty radiology trainees interpreted four volumetric image cases.
  • Collected data included scroll behaviors (oscillations, runs, manipulations, interruptions) and think-aloud protocols.
  • Think-aloud data were coded using a framework of radiological knowledge and skills (perception, analysis, synthesis).

Main Results:

  • Specific scroll behaviors correlated with distinct cognitive processes: full runs with perception, oscillations/half runs with analysis/synthesis.
  • Interruptions were linked to synthesis, and image manipulations to perception.
  • A predominantly bottom-up reasoning process was observed, with dynamic interactions, particularly between perception and analysis.

Conclusions:

  • Scroll behaviors provide insights into how radiologists interact with volumetric images.
  • Cognitive processes in volumetric image interpretation are dynamically interconnected and grounded in observable actions.
  • These findings have implications for training radiologists in volumetric image interpretation.