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Persistent geotropic nystagmus—a different kind of cupular pathology and its localizing signs
Acta Oto-Laryngologica, 2006A persistent geotropic positional nystagmus indicates a dysfunction in the lateral semicircular canal with a cupula of less specific weight than the surrounding endolymph. It is possible to determine the side of the affected cupula by recording the nystagmus pattern in yaw and pitch plane.To identify the clinical features in patients with a persistent ...
Johan, Bergenius, Tatjana, Tomanovic
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[Pathologic nystagmus and related phenomena. A review].
Der Nervenarzt, 1985Pathological nystagmus may be spontaneous, positional, or gaze-evoked. Peripheral vestibular nystagmus is usually rotatory, the horizontal component being most prominent. It is - in contrast to a central vestibular nystagmus - strongly inhibited by fixation.
S, Biedert, R, Reuther
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[Physiologic and pathologic rebound nystagmus. Description and comparison].
Fortschritte der Ophthalmologie : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft, 1991Using a binocular, infrared charged coupled device (CCD), an eye tracker coupled with an Olivetti M24 PC (resolution up to 0.1 degrees, scanning with 80 frames/s), the eye movements of 20 normal individuals with normal visual acuity and binocular function were recorded to detect physiological endpoint (EPN) and rebound nystagmus (RN).
F, Wild +2 more
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Downbeat nystagmus and pathology at cervicomedullary junction
Neurology, 1981José Biller, Ralph J. Pagano
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On Pathological Spontaneous and Positional Nystagmus
ORL, 1963J H, BOS +4 more
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Failure of fixation suppression
Neurology, 1974Failure of visual fixation to suppress caloric nystagmus was studied quantitatively. An ocular-fixation index was defined as a measurement for determining the presence of failure of fixation suppression. The ocular-fixation index of slow-phase velocity best separated normal from abnormal caloric responses.
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Laryngologie, Rhinologie, Otologie, 1985
The general roentgenogram of the cervical spine often shows manifold pathological alterations by patients without any clinical complaints. On the other hand, there are cervical vertigo and different symptoms caused by the cervical spine, its joints, muscles and ligaments without any X-ray manifestation.
B, Mayer, K, Rieden, U, Mende
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The general roentgenogram of the cervical spine often shows manifold pathological alterations by patients without any clinical complaints. On the other hand, there are cervical vertigo and different symptoms caused by the cervical spine, its joints, muscles and ligaments without any X-ray manifestation.
B, Mayer, K, Rieden, U, Mende
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Computer Analysis of Optokinetic Nystagmus in Normal and Pathological Cats
Annals of Otology, Rhinology & Laryngology, 1971H, Jenkins, V, Honrubia, P H, Ward
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Pathologic nystagmus: a classification based on electro-oculographic recordings.
Bulletin of the Los Angeles neurological societies, 1977The widespread availability of eye movement recording systems has added a new dimension to our ability to accurately describe nystagmus. Electrooculography (EOG) is the simplest and most readily available system. With EOG the effect of loss of fixation (either with eyes closed, or eyes open in darkness) can be accurately assessed and quantitative ...
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