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Related Concept Videos

Effects of feedback01:24

Effects of feedback

Feedback in control systems plays a critical role in shaping various operational parameters, extending beyond simple error reduction to influence stability, bandwidth, gain, impedance, and sensitivity. Understanding these effects requires examining a basic feedback system characterized by defined input, output, error, and feedback signals.
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
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Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
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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.
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Related Experiment Video

Updated: Jun 17, 2026

Force and Position Control in Humans - The Role of Augmented Feedback
06:31

Force and Position Control in Humans - The Role of Augmented Feedback

Published on: June 19, 2016

Frequent feedback enhances complex motor skill learning.

G Wulf1, C H Shea, S Matschiner

  • 1Max Planck Institute for Psychological Research Munich.

Journal of Motor Behavior
|December 29, 2009
PubMed
Summary
This summary is machine-generated.

High feedback frequency enhances learning of complex motor skills, like ski simulator slalom movements. This contrasts with simpler tasks, suggesting task complexity influences optimal feedback levels for skill acquisition.

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Related Experiment Videos

Last Updated: Jun 17, 2026

Force and Position Control in Humans - The Role of Augmented Feedback
06:31

Force and Position Control in Humans - The Role of Augmented Feedback

Published on: June 19, 2016

Movement Retraining using Real-time Feedback of Performance
08:16

Movement Retraining using Real-time Feedback of Performance

Published on: January 17, 2013

Using Virtual Reality to Transfer Motor Skill Knowledge from One Hand to Another
05:12

Using Virtual Reality to Transfer Motor Skill Knowledge from One Hand to Another

Published on: September 18, 2017

Area of Science:

  • Motor Learning
  • Skill Acquisition
  • Human Movement Science

Background:

  • Understanding optimal feedback frequency is crucial for motor skill acquisition.
  • Previous research suggests reduced feedback frequency benefits learning of simple tasks.
  • Complex motor skills may require different feedback strategies for effective learning.

Purpose of the Study:

  • To investigate the effect of feedback frequency on learning a complex motor skill (ski simulator slalom).
  • To test the hypothesis that high feedback frequency is more beneficial for complex tasks than reduced frequency.
  • To identify key movement features characterizing expert performance in the task.

Main Methods:

  • Experiment 1 identified expert performance characteristics (movement amplitude, relative force onset).
  • Experiment 2 compared learning outcomes with 100% vs. 50% concurrent feedback frequency on force onset.
  • A control group received no feedback; retention was tested without feedback.

Main Results:

  • High feedback frequency (100%) led to more efficient movement (later relative force onset) in retention compared to no feedback.
  • Reduced feedback frequency (50%) resulted in intermediate performance.
  • Expertise in complex motor skills appears to benefit from higher feedback frequencies.

Conclusions:

  • High feedback frequency (100%) is beneficial for learning complex motor skills, unlike simpler tasks.
  • Task difficulty likely interacts with feedback frequency for optimal skill learning.
  • Findings suggest a potential interaction similar to that observed in summary-knowledge of results literature.