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Eye Tracking in Digital Pathology: A Comprehensive Literature Review

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Journal J Pathol Inform
Date 2024 Jun 13
PMID 38868488
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Abstract

Eye tracking has been used for decades in attempt to understand the cognitive processes of individuals. From memory access to problem-solving to decision-making, such insight has the potential to improve workflows and the education of students to become experts in relevant fields. Until recently, the traditional use of microscopes in pathology made eye tracking exceptionally difficult. However, the digital revolution of pathology from conventional microscopes to digital whole slide images allows for new research to be conducted and information to be learned with regards to pathologist visual search patterns and learning experiences. This has the promise to make pathology education more efficient and engaging, ultimately creating stronger and more proficient generations of pathologists to come. The goal of this review on eye tracking in pathology is to characterize and compare the visual search patterns of pathologists. The PubMed and Web of Science databases were searched using 'pathology' AND 'eye tracking' synonyms. A total of 22 relevant full-text articles published up to and including 2023 were identified and included in this review. Thematic analysis was conducted to organize each study into one or more of the 10 themes identified to characterize the visual search patterns of pathologists: (1) effect of experience, (2) fixations, (3) zooming, (4) panning, (5) saccades, (6) pupil diameter, (7) interpretation time, (8) strategies, (9) machine learning, and (10) education. Expert pathologists were found to have higher diagnostic accuracy, fewer fixations, and shorter interpretation times than pathologists with less experience. Further, literature on eye tracking in pathology indicates that there are several visual strategies for diagnostic interpretation of digital pathology images, but no evidence of a superior strategy exists. The educational implications of eye tracking in pathology have also been explored but the effect of teaching novices how to search as an expert remains unclear. In this article, the main challenges and prospects of eye tracking in pathology are briefly discussed along with their implications to the field.

References
1.
Jaarsma T, Jarodzka H, Nap M, van Merrienboer J, Boshuizen H . Expertise under the microscope: processing histopathological slides. Med Educ. 2014; 48(3):292-300. DOI: 10.1111/medu.12385. View

2.
Hansen D, Ji Q . In the eye of the beholder: a survey of models for eyes and gaze. IEEE Trans Pattern Anal Mach Intell. 2010; 32(3):478-500. DOI: 10.1109/TPAMI.2009.30. View

3.
Kahneman D, Beatty J . Pupil diameter and load on memory. Science. 1966; 154(3756):1583-5. DOI: 10.1126/science.154.3756.1583. View

4.
Kok E, Jarodzka H . Before your very eyes: the value and limitations of eye tracking in medical education. Med Educ. 2016; 51(1):114-122. DOI: 10.1111/medu.13066. View

5.
Brunye T, Balla A, Drew T, Elmore J, Kerr K, Shucard H . From Image to Diagnosis: Characterizing Sources of Error in Histopathologic Interpretation. Mod Pathol. 2023; 36(7):100162. PMC: 11386950. DOI: 10.1016/j.modpat.2023.100162. View