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The effect of distributed virtual reality simulation training on cognitive load during subsequent dissection
Steven Arild Wuyts Andersen1,2, Lars Konge2, Mads Sølvsten Sørensen1
1a Department of Otorhinolaryngology-Head and Neck Surgery , Rigshospitalet , Copenhagen , Denmark.
Medical Teacher
|May 8, 2018
Summary
Repeated virtual reality (VR) simulation practice, when distributed, lowers cognitive load (CL) and enhances surgical skills. This approach improves novice learning in complex procedures.
Area of Science:
- Medical Education
- Surgical Training
- Virtual Reality Simulation
Background:
- Complex surgical procedures can overwhelm novices with high cognitive load (CL), hindering learning.
- Virtual reality (VR) simulation offers a potential solution to manage CL in surgical training.
Purpose of the Study:
- To determine if distributed VR simulation practice reduces CL and improves performance in cadaveric dissection.
- To assess the impact of repeated and distributed VR training on novice surgical skills.
Main Methods:
- A prospective, controlled cohort study involving 37 otorhinolaryngology residents.
- Intervention group received distributed VR simulation prior to training; control group had standard practice.
- Cognitive load was measured by secondary-task reaction time during VR and cadaveric procedures.
Main Results:
- The intervention group showed significantly lower mean reaction times (32% vs. 47%) compared to the control group.
- Distributed VR simulation practice led to superior final-product performance in cadaveric dissection.
- A statistically significant difference (p < 0.01) was observed between groups.
Conclusions:
- Distributed VR simulation effectively reduces cognitive load in complex learning scenarios.
- This training method may facilitate mental schema formation, reducing intrinsic CL.
- Systematic implementation of structured, distributed VR training is recommended for surgical curricula.
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