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Related Experiment Video

Updated: Jun 13, 2026

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
11:54

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Published on: May 8, 2021

Pain relativity in motor control.

I T Kurniawan1, B Seymour, I Vlaev

  • 1Cognitive, Perceptual, and Brain Sciences, University College London, Gower St., London WC1E 6BT, United Kingdom.

Psychological Science
|May 4, 2010
PubMed
Summary
This summary is machine-generated.

Pain influences how we move, guiding motor control through relative pain differences, not absolute levels. This has implications for understanding pain and its treatment in clinical settings.

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Area of Science:

  • Neuroscience
  • Motor Control
  • Pain Perception

Background:

  • Motivational theories explain pain's role in avoiding damage.
  • Limited understanding exists on how pain impacts action implementation.

Purpose of the Study:

  • To investigate the influence of pain on motor execution.
  • To explore how pain intensity and proximity affect movement decisions.

Main Methods:

  • Participants performed a rapid pointing task with monetary rewards and pain penalties.
  • Movement trajectories were analyzed based on pain intensity and target-penalty proximity.

Main Results:

  • Pain intensity and proximity repelled movements away from the pain source.
  • Motor execution was modulated by relative pain differences, not absolute magnitudes.
  • Implicit monetary valuation of pain was found to be unstable.

Conclusions:

  • Pain magnitude and probability precisely guide motor control.
  • Pain representations influencing action are relative, not absolute.
  • Findings have implications for clinical pain treatment strategies.