A review of the geometrical basis and the principles underlying the use and interpretation of the video head impulse test (vHIT) in clinical vestibular testing

IS Curthoys, LA McGarvie, HG MacDougall… - Frontiers in …, 2023 - frontiersin.org
This paper is concerned mainly with the assumptions underpinning the actual testing
procedure, measurement, and interpretation of the video head impulse test—vHIT. Other …

The video head impulse test (vHIT) of semicircular canal function–age-dependent normative values of VOR gain in healthy subjects

LA McGarvie, HG MacDougall, GM Halmagyi… - Frontiers in …, 2015 - frontiersin.org
Background/hypothesis The video Head Impulse Test (vHIT) is now widely used to test the
function of each of the six semicircular canals individually by measuring the eye rotation …

Factors affecting variability in vestibulo-ocular reflex gain in the Video Head Impulse Test in individuals without vestibulopathy: A systematic review of literature

LE Money-Nolan, AG Flagge - Frontiers in Neurology, 2023 - frontiersin.org
Introduction The purpose of this systematic review was to summarize and synthesize
published evidence examining variations in vestibulo-ocular reflex (VOR) gain outcomes for …

Video head impulse tests with a remote camera system: normative values of semicircular canal vestibulo-ocular reflex gain in infants and children

SR Wiener-Vacher, SI Wiener - Frontiers in neurology, 2017 - frontiersin.org
The video head impulse test (VHIT) is widely used to identify semicircular canal function
impairments in adults. But classical VHIT testing systems attach goggles tightly to the head …

Vertical head impulse and caloric are complementary but react opposite to Meniere's disease hydrops

M Fukushima, R Oya, K Nozaki, H Eguchi… - The …, 2019 - Wiley Online Library
Objectives/Hypothesis Meniere's disease (MD) patients can show normal head impulses
despite poor caloric test results. This study aimed to investigate the discrepancy in the …

Aging increases compensatory saccade amplitude in the video head impulse test

ER Anson, RT Bigelow, JP Carey, QL Xue… - Frontiers in …, 2016 - frontiersin.org
Objective Rotational vestibular function declines with age resulting in saccades as a
compensatory mechanism to improve impaired gaze stability. Small reductions in rotational …

Functional testing of all six semicircular canals with video head impulse test systems

DD Hougaard, ER Abrahamsen - Journal of Visualized Experiments, 2019 - vbn.aau.dk
Throughout the last decade, there has been a rapid development of existing test procedures
and methods evaluating the human vestibular system. In 2009 and 2013, commercially …

[HTML][HTML] Video head impulse testing in a pediatric population: normative findings

K Bachmann, K Sipos, V Lavender… - Journal of the American …, 2018 - thieme-connect.com
The video head impulse test (vHIT) is a new tool being used in vestibular clinics to assess
the function of all six semicircular canals (SCCs) by measuring the gain of the vestibulo …

Questioning the lasting effect of galvanic vestibular stimulation on postural control

M Nooristani, M Maheu, MS Houde, BA Bacon… - PloS one, 2019 - journals.plos.org
Noisy galvanic vestibular stimulation (nGVS) has been shown to enhance postural stability
during stimulation, and the enhancing effect has been observed to persist for several hours …

Horizontal eye position affects measured vertical VOR gain on the video head impulse test

LA McGarvie, M Martinez-Lopez, AM Burgess… - Frontiers in …, 2015 - frontiersin.org
Background/hypothesis: With the video head impulse test (vHIT), the vertical VOR gain is
defined as (vertical eye velocity/vertical head velocity), but compensatory eye movements to …