The Skull High Frequency Vibration-Induced Nystagmus Test
نویسندگان
چکیده
منابع مشابه
The Skull Vibration-Induced Nystagmus Test of Vestibular Function—A Review
A 100-Hz bone-conducted vibration applied to either mastoid induces instantaneously a predominantly horizontal nystagmus, with quick phases beating away from the affected side in patients with a unilateral vestibular loss (UVL). The same stimulus in healthy asymptomatic subjects has little or no effect. This is skull vibration-induced nystagmus (SVIN), and it is a useful, simple, non-invasive, ...
متن کاملVibration-induced ocular torsion and nystagmus after unilateral vestibular deafferentation.
Vibration is an excitatory stimulus for both vestibular and proprioceptive afferents. Vibration applied either to the skull or to the neck muscles of subjects after unilateral vestibular deafferentation induces nystagmus and a shift of the subjective visual horizontal. Previous studies have ascribed these effects to vibratory stimulation of neck muscle proprioceptors. Using scleral search coils...
متن کاملVibration-induced nystagmus - A sign of unilateral vestibular deficit.
Vibrations of 60 Hz and 100 Hz were applied on the mastoid of healthy subjects, patients with unilateral peripheral vestibular lesions, with central lesions of different localizations, and patients with benign paroxysmal positioning vertigo (BPPV). In patients with unilateral peripheral deficit a horizontal nystagmus with a small torsional component beating generally to the not affected side co...
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There is a need to develop bedside tests of the vestibulo-ocular reflex (VOR) that could be used in the clinical situation to screen patients who may be candidates for further evaluation. In 1984 Barber described the oscillopsia test, which compared visual acuity with and without head movement. Barber indicated that head movement should occur at greater than 1 Hz. This study was performed to ev...
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Hearing mechanisms in baleen whales (Mysticeti) are essentially unknown but their vocalization frequencies overlap with anthropogenic sound sources. Synthetic audiograms were generated for a fin whale by applying finite element modeling tools to X-ray computed tomography (CT) scans. We CT scanned the head of a small fin whale (Balaenoptera physalus) in a scanner designed for solid-fuel rocket m...
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ژورنال
عنوان ژورنال: Otolaryngology–Head and Neck Surgery
سال: 2010
ISSN: 0194-5998,1097-6817
DOI: 10.1016/j.otohns.2010.06.691