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Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
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Published on: October 27, 2016

Proprioception is robust under external forces.

Irene A Kuling1, Eli Brenner, Jeroen B J Smeets

  • 1MOVE Research Institute Amsterdam, Faculty of Human Movement Sciences, VU University, Amsterdam, The Netherlands.

Plos One
|September 11, 2013
PubMed
Summary
This summary is machine-generated.

Human proprioception, the sense of body position, appears to adjust for external forces. This study suggests our sense of hand position in the horizontal plane accounts for applied forces.

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Area of Science:

  • Neuroscience
  • Human motor control
  • Somatosensation

Background:

  • Proprioception integrates sensory and efferent information for body configuration perception.
  • External forces acting on the limbs may influence this internal body sense.

Purpose of the Study:

  • To investigate if external horizontal forces affect the human percept of hand position.
  • To determine if proprioception adapts to applied forces during movement tasks.

Main Methods:

  • Participants performed reaching and vector reproduction tasks with their unseen hand.
  • Horizontal force fields were applied to the hand during these tasks.
  • Systematic errors in endpoint and vector reproduction were analyzed.

Main Results:

  • Individual errors were observed in reproducing endpoints and vectors.
  • These errors did not show a systematic relationship with the applied force fields.
  • This indicates that proprioceptive adjustments occur independently of force field variations.

Conclusions:

  • Human proprioception appears to dynamically account for external forces when sensing hand position.
  • The sense of body configuration is robust and adaptable to environmental interactions.