Impaired suppression of vestibular nystagmus by fixation in cerebellar and noncerebellar patients |
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| Authors: | J. Dichgans G. M. von Reutern U. Römmelt |
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| Affiliation: | (1) Neurologische Klinik, Liebermeisterstraße 18-20, D-7400 Tübingen, Federal Republic of Germany;(2) Abteilung Klin. Neurologie und Neurophysiologie der Universität Freiburg, Hansastraße 9, D-7800 Freiburg i. Br., Federal Republic of Germany |
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| Abstract: | Summary The suppression of vestibular nystagmus (VN) by fixation of a small visual target moving with the observer was tested while subjects seated on a rotatable chair were oscillated at 0.1 Hz and peak accelerations of +-10 to 130°/s2. Total amplitudes of nystagmus during movement towards one direction occurring despite intended fixation were compared to slow phases of optokinetic nystagmus (OKN) and smooth pursuit (SP) towards the opposite direction.Supported by the Deutsche Forschungsgemeinschaft, SFB 70 (Hirnforschung und Sinnesphysiologie) |
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| Keywords: | Fixation suppression of VOR Optokinetic nystagmus Cerebellum |
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