Gaze patterns reflect and predict expertise in dynamic echocardiographic imaging.
cognition
echocardiography
expertise
eye tracking
image interpretation
signal detection
Journal
Journal of medical imaging (Bellingham, Wash.)
ISSN: 2329-4302
Titre abrégé: J Med Imaging (Bellingham)
Pays: United States
ID NLM: 101643461
Informations de publication
Date de publication:
Feb 2023
Feb 2023
Historique:
received:
16
12
2022
accepted:
01
03
2023
pmc-release:
22
03
2024
entrez:
27
3
2023
pubmed:
28
3
2023
medline:
28
3
2023
Statut:
ppublish
Résumé
Echocardiography is the most important modality in cardiac imaging. Rapid valid visual assessment is a critical skill for image interpretation. However, it is unclear how skilled viewers assess echocardiographic images. Therefore, guidance and implicit advice are needed for learners to achieve valid image interpretation. Using a signal detection approach, we compared 15 certified experts with 15 medical students in their diagnostic decision-making and viewing behavior. To quantify attention allocation, we recorded eye movements while viewing dynamic echocardiographic imaging loops of patients with reduced ejection fraction and healthy controls. Participants evaluated left ventricular ejection fraction and image quality (as diagnostic and visual control tasks, respectively). Experts were much better at discriminating between patients and healthy controls ( Judgments and eye tracking revealed significant differences between echocardiography experts and novices that can be used to derive numerical expertise scores. Experts have implicitly learned to ignore the salient motion cue presented by the mitral valve and to focus on the diagnostically more relevant left ventricle. These findings have implications for echocardiography training, objective characterization of echocardiographic expertise, and the design of user-friendly interfaces for echocardiography.
Identifiants
pubmed: 36968293
doi: 10.1117/1.JMI.10.S1.S11906
pii: 22358SSR
pmc: PMC10031643
doi:
Types de publication
Journal Article
Langues
eng
Pagination
S11906Informations de copyright
© 2023 Society of Photo-Optical Instrumentation Engineers (SPIE).
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