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Dynamic modification of the vestibulo-ocular reflex by the nodulus and uvula.
The time constant of the decay of slow-phase eye velocity of postrotatory nystagmus or optokinetic after-nystagmus is reduced during exposure to a stationary visual surround (visual suppression). It… Expand
Neuronal activity in the vestibular nuclei of the alert monkey during vestibular and optokinetic stimulation
SummaryRecordings from neurons of the vestibular nuclei were performed in alert monkeys. Type I and type II units were identified by rotating the monkey about a vertical axis. All neurons responded… Expand
Vestibular nerve activity in the alert monkey during vestibular and optokinetic nystagmus
SummaryActivity of vestibular nerve fibers and eye movements were recorded in the alert monkey during natural stimulation. The animal was rotated about a vertical axis in the dark with velocity… Expand
Vestibular nuclei activity during optokinetic after-nystagmus (OKAN) in the alert monkey
SummaryNeurons which receive an input from the horizontal semicircular canals were recorded from the vestibular nuclei in chronically prepared monkeys (Macaca mulatta) during optokinetic… Expand
Enduring dysmetria and impaired gain adaptivity of saccadic eye movements in Wallenberg's lateral medullary syndrome.
Saccadic eye movements and the adaptive control of their amplitudes were examined in patients with Wallenberg's lateral medullary syndrome. Half of the patients had permanent saccadic dysmetria.… Expand
Habituation and adaptation of the vestibuloocular reflex: a model of differential control by the vestibulocerebellum
SummaryWe habituated the dominant time constant of the horizontal vestibuloocular reflex (VOR) of rhesus and cynomolgus monkeys by repeated testing with steps of velocity about a vertical axis and… Expand
Reciprocal changes in primary and secondary optokinetic after-nystagmus (OKAN) produced by repetitive optokinetic stimulation in the monkey
SummaryIn six rhesus monkeys (Macaca mulatta.) the effect of repetitive periods of whole-field optokinetic stimulation upon the different phases of Optokinetic after-nystagmus (OKAN) was studied. The… Expand
Characteristics of eye velocity storage during periods of suppression and reversal of eye velocity in monkeys
SummaryAn eye velocity storage mechanism has been postulated in the vestibulo-optokinetic system to account for the prolongation of vestibular nystagmus (VN) and the occurrence of optokinetic… Expand
Small Infarctions of Cochlear, Retinal, and Encephalic Tissue in Young Women
Background and Purpose Recently, a rare syndrome that involves uniformly the brain, inner ear, and retina in previously healthy young women has been described. Brain biopsies and ophthalmologic… Expand