Vestibulospinal Control of Posture

  • Fay B. Horak
  • John Buchanan
  • Robert Creath
  • John Jeka
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 508)


To better understand the role of the vestibular system in postural coordination, we compared the ability of subjects with complete, bilateral loss of vestibular function and age-matched control subjects to maintain equilibrium and postural orientation during sinusoidal displacements of the support surface at a variety of frequencies. We also examined the ability of visual or somatosensory-light touch information to substitute for missing vestibular information in dynamic postural coordination. The results suggest that vestibular information is used as a gravitational reference frame to prevent slow drift of the trunk in space during complex postural tasks. Furthermore, visual information or somatosensory information from light touch of a finger on a stable reference can significantly substitute for loss of vestibular function.


Light Touch Experimental Brain Research Surface Translation Quiet Stance Slow Drift 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 2002

Authors and Affiliations

  • Fay B. Horak
    • 1
  • John Buchanan
    • 2
  • Robert Creath
    • 3
  • John Jeka
    • 3
  1. 1.Neurological Sciences Institute of Oregon Health Sciences UniversityBeavertonUSA
  2. 2.Texas A&M UniversityCollege StationUSA
  3. 3.Dept. of KinesiologyUniveristy of MarylandCollege ParkUSA

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