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Related Concept Videos

Effects of feedback01:24

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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.
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Related Experiment Video

Updated: Jun 17, 2026

Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks
09:04

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Published on: March 16, 2015

Delayed auditory feedback in synchronization.

G Aschersleben1, W Prinz

  • 1Max-Planck-Institut für psychologische Forschung München, Germany.

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

Feedback delay significantly impacts synchronization performance, increasing the asynchrony between tap and click actions. This finding supports an extended hypothesis on how sensory information is processed during motor tasks.

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Last Updated: Jun 17, 2026

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Area of Science:

  • Cognitive Psychology
  • Human-Computer Interaction
  • Motor Control

Background:

  • Synchronization tasks involve coordinating actions with external stimuli.
  • Feedback delay is a critical factor influencing performance in such tasks.
  • Previous hypotheses, like the Paillard-Fraisse hypothesis, offer frameworks for understanding synchronization.

Purpose of the Study:

  • To investigate the effect of feedback delay on synchronization performance.
  • To examine the asynchrony between tap and click actions under varying delay conditions.
  • To test an extended version of the Paillard-Fraisse hypothesis.

Main Methods:

  • Two experiments were conducted to assess feedback delay's impact.
  • Experiment 1 measured asynchrony between tap and click with varying feedback delays.
  • Experiment 2 served as a control to rule out order effects.

Main Results:

  • A linear relationship was found between feedback delay size and tap-click asynchrony.
  • Increased delay led to a proportional increase in asynchrony.
  • Tap-related sensory information (tactile-kinesthetic, auditory) is integrated centrally.

Conclusions:

  • The findings support an extended Paillard-Fraisse hypothesis for multi-source feedback synchronization.
  • Central integration of tap-related information creates joint event codes.
  • These codes, superimposed on click codes, explain observed synchronization asynchronies.