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Bruno Estanol, MD; Ramon Romero, MD; Jorge Corvera, MD

Arch Neurol. 1979;36(5):281-284.

Abstract
• A patient wit h a right hemicerebellectomy and recurrence of a tumor on the left cerebellar hemisphere was examined regarding oculomotor and vestibuloocular functions. The findings were as follows: inability to maintain eccentric gaze; defective smooth pursuit system; failure to suppress by visual fixation the nystagmus induced by sinusoidal horizontal rotations; moderate increase of the vestibulo-ocular reflex gain when rotated in the dark; relative preservation of the slow phases of the optokinetic nystagmus, as compared to the slow phases induced by tracking a pendulum; decreased gain of the vestibulo-ocular reflex when rotated with the lights on fixating the environment; square wave jerks; and no saccadic dysmetria.

Author Affiliations
From the Departments of Neurology and Audiology, General Hospital, National Social Security, Mexico City.

Footnotes
Accepted for publication April 17, 1978.

Reprint requests to Montezuma 56-A, Coyoacan, 21, DF, Mexico City, Mexico (Dr Estanol).

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