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Effects of feedback01:24

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Related Experiment Video

Updated: May 19, 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

Force control under auditory feedback: effector differences and audiomotor memory.

Torrey M J Loucks1, Edward Ofori, Jacob J Sosnoff

  • 1Department of Speech and Hearing Science, University of Illinois at Urbana-Champaign, Champaign 61820, USA. tloucks@illinois.edu

Perceptual and Motor Skills
|August 24, 2012
PubMed
Summary
This summary is machine-generated.

Audiomotor integration aids sustained force control. Short-term audiomotor memory for lip and finger forces shows rapid decay after feedback removal, comparable to visuomotor memory.

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Area of Science:

  • Neuroscience
  • Motor Control
  • Auditory Perception

Background:

  • Audiomotor integration is crucial for vocal regulation but its role in general motor control is understudied.
  • Existing research minimally explores auditory feedback's impact on sustained manual and oral force production.

Purpose of the Study:

  • To investigate auditory feedback's role in prolonged force control using manual (finger) and oral (lip) effectors.
  • To compare short-term audiomotor memory capacity for lip and finger force generation.

Main Methods:

  • Ten healthy young adults participated in the study.
  • Participants generated continuous force with lips or fingers for 30 seconds to match auditory targets.
  • Force variability was assessed under auditory feedback and subsequent memory conditions.

Main Results:

  • Lip force exhibited greater variability than finger force when auditory feedback was provided.
  • Both lip and finger force remained stable for approximately 4 seconds after auditory feedback removal.
  • Significant decay in force output was observed after the initial 4-second memory period.

Conclusions:

  • Audiomotor integration effectively sustains force production, demonstrating its importance in motor control.
  • Short-term audiomotor force memory is comparable to visuomotor force memory, suggesting shared neural mechanisms.
  • Enhanced short-term memory capacity may benefit tasks requiring acoustic goal encoding.