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  • Title: The role of saccular afferents in vertical optokinetic nystagmus in primates. A study in relation to optokinetic nystagmus in microgravity.
    Author: Igarashi M, Himi T, Kulecz WB, Patel S.
    Journal: Arch Otorhinolaryngol; 1987; 244(3):143-6. PubMed ID: 3675297.
    Abstract:
    After bilateral sacculectomies, the squirrel monkey's vertical optokinetic nystagmus showed a gain increase of slow-phase down-nystagmus and a gain decrease of the slow-phase up-nystagmus. The nystagmus beating field of the former shifted upward but that of the latter did not change clearly. These results are in general agreement with the findings in man during the recent shuttle flight and indicate the functional linkage of saccular afferents to the vertical optokinetic nystagmus.
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