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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...
Feedback Inhibition00:46

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 Loops01:01

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.

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Related Experiment Video

Updated: May 8, 2026

Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback
05:43

Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback

Published on: May 23, 2019

Terminal feedback outperforms concurrent visual, auditory, and haptic feedback in learning a complex rowing-type

Roland Sigrist1, Georg Rauter, Robert Riener

  • 1a Sensory-Motor Systems Lab, ETH Zurich & Spinal Cord Injury Center, University Hospital Balgrist , Zurich , Switzerland.

Journal of Motor Behavior
|September 7, 2013
PubMed
Summary
This summary is machine-generated.

Terminal visual feedback accelerates motor learning for complex tasks by promoting internalization. Concurrent feedback, however, can hinder learning by focusing on irrelevant errors.

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Area of Science:

  • Motor Learning
  • Human-Computer Interaction
  • Sports Science

Background:

  • Augmented feedback enhances motor skill acquisition.
  • Concurrent feedback is beneficial for complex tasks, unlike simple ones.
  • Previous research primarily used artificial tasks with visual feedback.

Purpose of the Study:

  • To compare concurrent visual, auditory, and haptic feedback with self-controlled terminal visual feedback for a complex rowing task.
  • To investigate the impact of different feedback modalities on motor learning effectiveness.
  • To determine optimal feedback strategies for complex motor skill acquisition.

Main Methods:

  • Participants learned a 3D rowing-type task using different feedback conditions: concurrent visual, auditory, haptic, or terminal visual.
  • Effectiveness was evaluated by comparing performance during and after feedback application.
  • Task-irrelevant errors and internalization of task-relevant aspects were assessed.

Main Results:

  • Terminal visual feedback was the most effective for motor learning.
  • Concurrent feedback groups showed improved performance with feedback but hindered overall learning.
  • Auditory feedback was impractical for the 3D task; concurrent visual and haptic feedback showed temporary benefits.

Conclusions:

  • Terminal visual feedback promotes internalization and is superior for complex motor learning.
  • Concurrent feedback can be detrimental by focusing on task-irrelevant errors.
  • Future strategies may involve combining multimodal and terminal feedback, tailored to individual needs.