Summary
To determine how vestibular and optokinetic eye movement signals share the central oculomotor neural organization, optokinetic afternystagmus was superposed on vestibular nystagmus in the monkey. To a first approximation there was algebraic additivity in the velocity domain. This result suggests that vestibular and optokinetic eye movements are integrated at a level of neural organization above the ocular motoneurons, at a level in which neural signals are coded in terms of eye movement velocity rather than eye position.
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Wallace, M., Blair, S.M. & Westheimer, G. Neural pathways common to vestibular and optokinetic eye movements. Exp Brain Res 33, 19–25 (1978). https://doi.org/10.1007/BF00238791
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DOI: https://doi.org/10.1007/BF00238791