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The Holistic Processing Account of Visual Expertise in Medical Image Perception: A Review
Heather Sheridan1, Eyal M Reingold2
1Department of Psychology, University at Albany, State University of New York, Albany, NY, United States.
Frontiers in Psychology
|October 17, 2017
Summary
Experts rapidly process medical images using a holistic approach, leveraging peripheral vision for parallel processing. This review examines evidence for domain-specific expertise and rapid initial glimpses, reconciling conflicting findings.
Area of Science:
- Cognitive Psychology
- Medical Image Perception
- Visual Expertise
Background:
- The holistic processing perspective suggests experts quickly grasp global image information to guide visual search.
- This perspective implies domain-specific expertise, parallel processing via parafoveal/peripheral vision, and benefits from initial image glimpses.
Purpose of the Study:
- To review empirical evidence supporting the holistic processing perspective in medical image perception.
- To discuss a study seemingly contradicting the rapid initial glimpse assumption and reconcile it with existing literature.
- To explore future research directions and connections to other visual expertise domains.
Main Methods:
- Review of empirical evidence supporting predictions from the holistic processing perspective.
- Discussion of a key study (Litchfield and Donovan, 2016) and its implications.
- Synthesis of findings with similar theoretical perspectives in visual expertise.
Main Results:
- Evidence supports domain-specific expertise in medical image perception.
- Experts utilize parafoveal/peripheral vision for parallel processing of large image regions.
- A recent study challenges the rapid initial glimpse benefit, suggesting global processing has broader functions.
Conclusions:
- Global processing in medical image perception likely serves functions beyond the initial glimpse.
- The holistic processing perspective provides a framework for understanding expert visual search in medicine.
- Further research is needed to fully elucidate the mechanisms and scope of holistic processing in visual expertise.
Keywords:
attentionexpert performanceeye movementsholistic processingmedical image perceptionradiologytime coursevisual expertiseMore Related Videos
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