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Simulation-based training is an effective tool for acquiring practicalskills, specifically to train new surgeons in a controlled and hazard-freeenvironment, it is however important to measure participants cognitive load todecide whether they are ready to go into a real surgery. In the present studywe measured performance on a surgery simulator of medical students and interns,while their brain activity was monitored by a mobile EEG device. 38 medicalstudentswere underwent 3 experiments undergoing a task with Simbionixsimulator, while their brain activity was measured using a single-channel EEGdevice (Aurora by Neurosteer). On each experiment, participants performed 3repeats of a simulator task using laparoscopic hands. The retention betweentasks was different on each experiment, to examine changes in performance andcognitive load biomarkers that occur during the task or as a results of nightsleep consolidation. The participants behavioral performance improved withtrial repetition in all 3 experiments. In Exps. 1 & 2, the theta band activitysignificantly decreased with better individual performance, as exhibited bysome of the behavioral measurements of the simulator. The novel VC9 biomarker(previously shown to correlate with cognitive load), exhibited a significantdecrease with better individual performance shown by all behavioralmeasurements. In correspondence with previous research, theta decreased withlower cognitive load and higher performance and the novel biomarker, VC9,showed higher sensitivity to load changes. Together, these measurements mightbe for neuroimaging assessment of cognitive load while performing simulatorlaparoscopic tasks. This could potentially be expanded to evaluate efficacy ofdifferent medical simulations to provide more efficient training to medicalstaff and to measure cognitive and mental load in real laparoscopic surgeries.

Continuous monitoring of cognitive load using advanced computerized  analysis of brain signals during virtual simulator training for laparoscopic  surgery, reflects laparoscopic dexterity. A comparative study using a novel  wireless device