Corollary Discharge Provides Accurate Eye Position Information to the Oculomotor System

  • Barton L. Guthrie
    Department of Physiology and Biophysics and Neurosciences Program, University of Alabama in Birmingham, Birmingham 35294
  • John D. Porter
    Department of Physiology and Biophysics and Neurosciences Program, University of Alabama in Birmingham, Birmingham 35294
  • David L. Sparks
    Department of Physiology and Biophysics and Neurosciences Program, University of Alabama in Birmingham, Birmingham 35294

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<jats:p>The saccadic system accurately compensates for perturbations of eye position produced by microstimulation of the superior colliculus. This requires that information about the stimulation-induced change in eye position be provided by an extraretinal source—either proprioceptive endings in extraocular muscles or a centrally generated corollary discharge. It is shown that compensation remains intact after elimination of extraocular muscle proprioception, demonstrating that corollary discharge provides accurate eye position information.</jats:p>

収録刊行物

  • Science

    Science 221 (4616), 1193-1195, 1983-09-16

    American Association for the Advancement of Science (AAAS)

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