Gaze behaviour of expert and novice microneurosurgeons differs during observations of tumor removal recordings

Authors:
Shahram Eivazi;Roman Bednarik;Markku Tukiainen;Mikael von und zu Fraunberg;Ville Leinonen;Juha E. Jääskeläinen
Affiliations:
University of Eastern Finland;University of Eastern Finland;University of Eastern Finland;Kuopio University Hospital;Kuopio University Hospital;Kuopio University Hospital
Venue:
Proceedings of the Symposium on Eye Tracking Research and Applications
Year:
2012

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Abstract

Differences between visual attention strategies of experts and novices have been investigated in many fields, but little has been done in the field of microneurosurgery. In the hands of an experienced surgeon, microneurosurgery seems like an elegant, routine and clean procedure with minimal blood loss. However, microneurosurgery is a multifaceted task with clinical risks associated to surgeons' skills. In a preliminary study, eye movements of eight surgeons were recorded while observing four images representing four phases in a tumor removal surgery. A comparison of the eye movement strategies shows clear markers of expertise depending on the phase of the surgery.