Adaptation to Coriolis Force Perturbation of Movement Trajectory

Role of proprioceptive and cutaneous somatosensory feedback
  • James R. Lackner
  • Paul DiZio
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 508)


Subjects exposed to constant velocity rotation in a large fully-enclosed room that rotates initially make large reaching errors in pointing to targets. The paths and endpoints of their reaches are deviated in the direction of the transient lateral Coriolis forces generated by the forward velocity of their reaches. With additional reaches, subjects soon reach in straighter paths and become more accurate at landing on target even in the absence of visual feedback about their movements. Two factors contribute to this adaptation: first, muscle spindle and golgi tendon organ feedback interpreted in relation to efferent commands provide information about movement trajectory, and second, somatosensory stimulation of the fingertip at the completion of a reach provides information about the location of the fingertip relative to the torso.


Coriolis Force Movement Trajectory Muscle Spindle Forward Velocity Movement Endpoint 
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Copyright information

© Springer Science+Business Media New York 2002

Authors and Affiliations

  • James R. Lackner
  • Paul DiZio
    • 1
  1. 1.Ashton Graybiel Spatial Orientation Laboratory & Center for Complex Systems Brandeis UniversityWalthamUSA

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