Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Feedback Inhibition

Feedback Inhibition

Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!

Feedback Loops

Feedback Loops

In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a particular substance, like a hormone, to maintain a certain level before triggering a signal that results in a decrease in further release of the hormone.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

A change of mind: Error motivation is shaped by error perceptions in different learning environments.

Medical teacher·2024

Same author

Video cases as tricksters, in medical students´ transition to psychiatric clerkship. A liminal perspective.

MedEdPublish (2016)·2024

Same author

Healthcare professionals' perception of safety culture and the Operating Room (OR) Black Box technology before clinical implementation: a cross-sectional survey.

BMJ open quality·2023

Same author

Implementation of an Innovative Technology Called the OR Black Box: A Feasibility Study.

Surgical innovation·2022

Same author

The concept of errors in medical education: a scoping review.

Advances in health sciences education : theory and practice·2022

Same author

[Portfolio - a tool for making learning and competence development visible].

Lakartidningen·2021

Search research articles

Related Experiment Video

Updated: May 15, 2026

Evaluating Flight Performance and Eye Movement Patterns Using Virtual Reality Flight Simulator

Evaluating Flight Performance and Eye Movement Patterns Using Virtual Reality Flight Simulator

Published on: May 19, 2023

Instructor feedback versus no instructor feedback on performance in a laparoscopic virtual reality simulator: a

Jeanett Strandbygaard¹, Flemming Bjerrum, Mathilde Maagaard

¹Department of OBGYN, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark. jeanett78@gmail.com

Annals of Surgery

|January 9, 2013

Summary

Instructor feedback significantly improves training efficiency on laparoscopic virtual reality simulators, reducing time and repetitions needed to achieve proficiency. This feedback also enhances trainees

More Related Videos

Utilizing a 3D Printed Laparoscopic Nissen Fundoplication Model to Shorten a Resident's Learning Curve

Utilizing a 3D Printed Laparoscopic Nissen Fundoplication Model to Shorten a Resident's Learning Curve

Published on: August 15, 2025

Related Experiment Videos

Last Updated: May 15, 2026

Evaluating Flight Performance and Eye Movement Patterns Using Virtual Reality Flight Simulator

Evaluating Flight Performance and Eye Movement Patterns Using Virtual Reality Flight Simulator

Published on: May 19, 2023

Utilizing a 3D Printed Laparoscopic Nissen Fundoplication Model to Shorten a Resident's Learning Curve

Utilizing a 3D Printed Laparoscopic Nissen Fundoplication Model to Shorten a Resident's Learning Curve

Published on: August 15, 2025

Area of Science:

Medical Education
Surgical Simulation
Virtual Reality Training

Background:

Virtual reality (VR) simulators are established tools for surgical training.
Optimal feedback strategies for VR simulator training remain unclear, impacting sustainable implementation.
This study addresses the necessity and impact of instructor feedback in VR surgical training.

Purpose of the Study:

To evaluate the effect of instructor feedback versus no feedback on learning a complex laparoscopic task using a VR simulator.
To compare training efficiency (time, repetitions) and performance outcomes between feedback and no-feedback groups.
To explore the influence of sex and self-perceived surgical skills on training outcomes.

Main Methods:

A randomized controlled trial (CONSORT Statement) involving 99 senior medical students with no prior laparoscopic experience.
Participants trained on a VR simulator to reach a predefined proficiency level for a complex operational task.
Intervention group received standardized instructor feedback (max 3 times); control group received no feedback.

Main Results:

The instructor feedback group showed significantly reduced time (162 vs. 342 minutes) and repetitions (29 vs. 65) to achieve proficiency (P < 0.005).
The control group achieved a higher performance score (57% vs. 49%; P = 0.004).
Men trained faster than women (P = 0.037), and the feedback group reported higher self-perceived surgical skills (P = 0.011).

Conclusions:

Instructor feedback significantly enhances training efficiency for complex tasks on laparoscopic VR simulators.
While feedback reduces training time and effort, it may lead to slightly lower immediate performance scores compared to self-directed learning.
Feedback positively impacts trainees' self-perception of surgical skills, suggesting benefits for confidence and future learning.