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. 1983 Sep 16;221(4616):1193-5.
doi: 10.1126/science.6612334.

Corollary discharge provides accurate eye position information to the oculomotor system

B L Guthrie, J D Porter, D L Sparks

Corollary discharge provides accurate eye position information to the oculomotor system

B L Guthrie et al. Science. .

Abstract

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.

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