Results 41 to 50 of about 9,272,702 (177)

Long-Term Lateral Semicircular Canal Function in Children with Cochlear Implants: Results of Video Head Impulse Test

open access: yesEuropean Journal of Investigation in Health, Psychology and Education, 2021
In children with profound deafness, bilateral cochlear implant (CI) is an effective, established procedure. However, its safety on vestibular function has recently been debated.
Nader Nassif   +2 more
doaj   +1 more source

Evaluation of Lightning Impulse Test by Frequency Response Analysis [PDF]

open access: yes, 2006
In this work are presented the basis for improving the interpretation of transformer lightning impulse test and the development of a graphical user interface system, which allows comparisons of time domain data and frequency response.
Jorge Ramirez   +3 more
core   +3 more sources

Computing Endolymph Hydrodynamics During Head Impulse Test on Normal and Hydropic Vestibular Labyrinth Models

open access: yesFrontiers in Neurology, 2020
Hypothesis: Build a biologic geometry based computational model to test the hypothesis that, in some circumstances, endolymphatic hydrops can mechanically cause enhanced eye velocity responses during clinical conditions of the head impulse test ...
Jorge Rey-Martinez   +4 more
doaj   +1 more source

Aging increases compensatory saccade amplitude in the video head impulse test

open access: yesFrontiers in Neurology, 2016
Objective: Rotational vestibular function declines with age resulting in saccades as a compensatory mechanism to improve impaired gaze stability. Small reductions in rotational vestibulo-ocular reflex (VOR) gain that would be considered clinically ...
Eric R Anson   +9 more
doaj   +1 more source

The Role of Neck Input in Producing Corrective Saccades in the Head Impulse Test

open access: yesFrontiers in Neurology, 2022
BackgroundThe head impulse test is a valuable clinical test that can help identify peripheral vestibular dysfunction by observing corrective saccades that return the eyes to the target of interest.
Shinichi Iwasaki   +5 more
doaj   +1 more source

Short-Latency Covert Saccades - The Explanation for Good Dynamic Visual Performance After Unilateral Vestibular Loss?

open access: yesFrontiers in Neurology, 2021
Background: Functional head impulse test (fHIT) tests the ability of the vestibulo-ocular reflex (VOR) to allow visual perception during head movements. Our previous study showed that active head movements to the side with a vestibular lesion generated a
Julia Sjögren   +5 more
doaj   +1 more source

Evaluation of Interexaminer Variability in Video Head Impulse Test Results [PDF]

open access: yesJournal of the American Academy of Audiology, 2020
Abstract Objective The video head impulse test (vHIT) is a diagnostic tool to assess the function of the semicircular canals and branches of the vestibular nerve. The aim of this study was to analyze the interexaminer variability of vHIT results in healthy subjects.
Yiğit, Öyküm Esra   +5 more
openaire   +4 more sources

Identifying the Clinical Signs on the Healthy Side Using Video Head Impulse Test During Different Stages of Vestibular Neuritis [PDF]

open access: yes, 2021
OBJECTIVE: To evaluate the presence of anti-compensatory saccades (AcS) using the video head impulse test (vHIT) in the healthy inner ear in patients with vestibular neuritis (VN) during the acute and subacute stages of VN.
Leonardo Manzari   +5 more
core   +1 more source

Experience Using Video Head Impulse Test in Patients with Vertigo

open access: yes, 2019
Cílem práce bylo na základě našich prvních výsledků video Head Impulse Testu (vHIT) u pacientů se závratěmi stanovit učební křivku vyšetření a zjistit, jaký byl vztah výsledků vHIT k jednotlivým diagnózám.Aim of this study was to define learning curve ...
Holá, Jana   +3 more
core   +1 more source

Analyses with the Video Head Impulse Test During the Canalith Repositioning Maneuver in Patients with Isolated Posterior Semicircular Canal Benign Paroxysmal Positional Vertigo [PDF]

open access: yes, 2018
Objective: To evaluate the posterior semicircular canal (PSCC) functions using video head impulse test (vHIT) during canalith repositioning maneuver (CRM) treatment in patients with isolated, posterior semicircular canal benign paroxysmal positional ...
Ali Bayram   +3 more
core   +1 more source

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