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Effect of Performance Feedback Timing on Motor Learning for a Surgical Training Task
IEEE Transactions on Bio-Medical Engineering
|October 13, 2025
Summary
Real-time multi-sensory error feedback significantly enhances surgical skill acquisition in robot-assisted minimally invasive surgery (RMIS) training. This method improves learning speed and accuracy compared to delayed feedback or no feedback.
Area of Science:
- Medical Education
- Robotics
- Surgical Training
Background:
- Robot-assisted minimally invasive surgery (RMIS) is a standard surgical approach.
- Optimal training methods for RMIS are not yet established.
- Effective surgical training requires efficient skill acquisition and error reduction.
Purpose of the Study:
- To investigate the impact of real-time versus post-task error feedback on learning in RMIS.
- To compare multi-sensory (haptic and visual) feedback timing in a virtual surgical task.
- To determine if real-time feedback accelerates skill development and reduces errors.
Main Methods:
- Forty-two surgical novices performed a virtual ring-on-wire task.
- Three feedback groups were compared: real-time error feedback, trial replay feedback, and no error feedback.
- Performance was assessed by accuracy in ring position and orientation.
Main Results:
- Real-time feedback significantly improved ring orientation accuracy.
- Delayed feedback (replay) showed benefits in orientation on straight paths compared to no feedback.
- Real-time feedback also enhanced positional accuracy on curved path sections.
Conclusions:
- Real-time haptic and visual error feedback optimizes learning outcomes in virtual RMIS training.
- Multi-sensory feedback delivered instantly is superior to delayed feedback for skill acquisition.
- This training approach can enhance surgical trainees' speed and accuracy.
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