Journals Journal of Vestibular Research...

Journal of Vestibular Research : Equilibrium & Orientation
Joyce Bosmans, Hanne Gommeren, Peter Zu Eulenburg, Annick Gilles, Griet Mertens, Angelique Van Ombergen, Patrick Cras, Sebastiaan Engelborghs, Vincent Van Rompaey
BACKGROUND: Recent studies implicate the effect of vestibular loss on cognitive decline, including hippocampal volume loss. As hippocampal atrophy is an important biomarker of Alzheimer's disease, exploring vestibular dysfunction as a risk factor for dementia and its role in hippocampal atrophy is of interest. OBJECTIVE: To replicate previous literature on whole-brain and hippocampal volume in semicircular canal dysfunction (bilateral vestibulopathy; BV) and explore the association between otolith function and hippocampal volume...
October 28, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Chisato Fujimoto, Takuya Kawahara, Makoto Kinoshita, Teru Kamogashira, Mineko Oka, Kentaro Ichijo, Kento Koda, Tatsuya Yamasoba, Shinichi Iwasaki
BACKGROUND: The reproducibility of the effective intensity of noisy galvanic vestibular stimulation (nGVS) to improve postural stability is not well known. OBJECTIVE: We aimed to investigate inter-day and intra-day variations in effective intensity in patients with bilateral vestibulopathy (BVP). METHODS: Thirteen BVP patients were measured for center-of-pressure movements in the standing posture at five time points: morning of the first test day, morning and evening of the second test day, and morning and evening of the third test day...
October 6, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Zohar Elyoseph, Dario Geisinger, Roy Zaltzman, Matti Mintz, Carlos R Gordon
BACKGROUND: Machado Joseph Disease (MJD) is an autosomal dominant neurodegenerative disease. In previous studies, we described significant bilateral horizontal Vestibulo-Ocular Reflex (VOR) deficit within this population without any reference to the presence of vestibular symptomatology. OBJECTIVE: To evaluate whether, beyond cerebellar ataxia complaints, MJD patients have typical vestibular symptomatology corresponding to the accepted diagnostic criteria of Bilateral Vestibulopathy (BVP) according to the definition of the International Barany Society of Neuro-Otology...
August 29, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Rie Naito, Yuki Watanabe, Akira Naito, Keiko Sugasawa, Yasuhiro Nakata, Tsutomu Kamiyama, Ryoichi Okiyama, Fusako Yokochi, Eiji Isozaki, Tatsuya Yamasoba, Kazushi Takahashi
BACKGROUND: Impairment of visual fixation suppression (VS) in progressive supranuclear palsy (PSP) is not well documented. OBJECTIVE: To evaluate the usefulness of impaired VS of caloric nystagmus as an index for differential diagnosis between PSP and Parkinson's disease (PD), which is often difficult, especially in the early stage. METHODS: Subjects comprised 26 PSP patients and 26 PD patients clinically diagnosed at Tokyo Metropolitan Neurological Hospital...
August 17, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Michelle J Karabin, Regan G Harrell, Patrick J Sparto, Joseph M Furman, Mark S Redfern
BACKGROUND: The video head impulse test (vHIT) is a common assessment of semicircular canal function during high-speed impulses. Reliability of the vHIT for assessing vertical semicircular canals is uncertain. Vertical head impulses require a complex head movement, making it difficult to isolate a single semicircular canal and interpret resulting eye rotations. OBJECTIVE: The purpose of this study was to provide descriptive head kinematics and vestibular stimuli during vertical plane impulses to ultimately improve impulse delivery and interpretation of vHIT results for vertical semicircular canals...
August 10, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Ondřej Čakrt, Kryštof Slabý, Klára Kučerová, Zuzana Balatková, Jaroslav Jeřábek, Jan Bouček
BACKGROUND: Cochlear implantation (CI) is associated with changes in the histopathology of the inner ear and impairment of vestibular function. OBJECTIVE: The objectives of our study were to evaluate patients for clinical manifestations of space perception and balance changes before surgery, compare them with asymptomatic subjects (controls), and report changes in posturography and subjective visual vertical (SVV) during the acute post-surgery period in patients...
August 10, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Matthias Ertl, Peter Zu Eulenburg, Marie Woller, Ümit Mayadali, Rainer Boegle, Marianne Dieterich
BACKGROUND: Naturalistic head accelerations can be used to elicit vestibular evoked potentials (VestEPs). These potentials allow for analysis of cortical vestibular processing and its multi-sensory integration with a high temporal resolution. METHODS: We report the results of two experiments in which we compared the differential VestEPs elicited by randomized translations, rotations, and tilts in healthy subjects on a motion platform. RESULTS: An event-related potential (ERP) analysis revealed that established VestEPs were verifiable in all three acceleration domains (translations, rotations, tilts)...
July 13, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Juan Manuel Espinosa-Sanchez, Diego Kaski, Nicolas Perez-Fernandez, Angel Batuecas-Caletrio
BACKGROUND: Rafael Lorente de Nó was a neuroscientist that worked alongside two of the giants of Medicine, the Nobel Prize winners Cajal and Bárány. OBJECTIVE: To describe the contributions of Lorente de Nó to vestibular neuroscience. METHODS: Detailed review of the publications of Lorente de Nó and analysis of the archives from Junta para Ampliación de Estudios e Investigaciones Científicas at Residencia de Estudiantes (Madrid, Spain), Casa de Salud Valdecilla at Hospital Universitario Marqués de Valdecilla (Santander, Spain), Becker Medical Library at Washington University (St...
July 8, 2023: Journal of Vestibular Research: Equilibrium & Orientation
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June 22, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Sendhil Govender, Raaj Kishore Biswas, Miriam S Welgampola, Sally M Rosengren
BACKGROUND: Acceleration and changes in acceleration (jerk) stimulate vestibular otolith afferents. Bone-conducted (BC) vibration applied to the skull accelerates the head and produces short latency reflexes termed vestibular evoked myogenic potentials (VEMPs). OBJECTIVE: To determine the magnitude, variability and symmetry in head acceleration/jerk during VEMP recordings and investigate the relationship between head acceleration/jerk and VEMP properties. METHODS: 3D head accelerometery (sagittal, interaural and vertical axes) was recorded bilaterally in thirty-two healthy subjects during cervical (cVEMP) and ocular (oVEMP) recordings...
June 16, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Ognyan I Kolev, Gilles Clement, Millard F Reschke
BACKGROUND: Coordination of motor activity is adapted to Earth's gravity (1 g). However, during space flight the gravity level changes from Earth gravity to hypergravity during launch, and to microgravity (0 g) in orbit. This transition between gravity levels may alter the coordination between eye and head movements in gaze performance. OBJECTIVE: We explored how weightlessness during space flight altered the astronauts' eye-head coordination (EHC) with respect to flight day and target eccentricity...
May 23, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Carolyn Ainsworth, Rosalyn Davies, Ian Colvin, Louisa Murdin
BACKGROUND: Motorist Disorientation Syndrome (MDS) is a term used to describe patients who primarily experience symptoms of dizziness/disorientation whilst in a motor car [21]. There is uncertainty about the relevance of vestibular dysfunction and whether this disorder could instead be a visually induced dizziness (VV) or part of a functional disorder similar to Persistent postural perceptual dizziness (PPPD). OBJECTIVE: We present the largest case-series to date of patients whose main complaint is of illusions of movement of self/vehicle when driving, characterising features of this group...
May 23, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Kucerová Klára, Safářová Marcela, Illinger Vojtěch, Koutná Sára, Sonská Kristýna, Levínská Kateřina, Cakrt Ondřej
BACKGROUND: Idiopathic scoliosis (IS) is a structural spinal deformity that can affect the position of the head. One of the etiological hypotheses is that it can be caused by dysfunction of the vestibular system, which can cause abnormal perception of subjective visual vertical (SVV). OBJECTIVE: This study aimed to evaluate the differences in head position and its possible correlation with the perception of SVV in children with IS. METHODS: We examined 37 patients with IS and 37 healthy individuals...
May 16, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Ellemarije Altena, Estelle Buguet, Caitlin Higginson, Elliott Lee, Alan Douglass, Naomi Spitale, Rebecca Robillard
OBJECTIVE/BACKGROUND: Though sleep problems (apnea, insomnia) and related daytime symptoms (fatigue, anxiety, depression) have been associated with vestibular problems (falls, dizziness), it is not well known which particular sleep features relate to vestibular problems. We thus assessed symptoms of vestibular problems in patients visiting a sleep clinic and evaluated how they were associated with objective sleep parameters derived from polysomnography and relevant daytime symptoms. PATIENTS/METHODS: The polysomnography data of thirty-one patients (61% female, between 20 and 79 years of age) who were referred for clinical sleep assessment was collated with subjective measures of symptoms linked to vestibular problems (rated on the Situational Characteristics Questionnaire), as well as fatigue, anxiety and depression symptoms...
April 10, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Bela Büki, Americo Migliaccio
BACKGROUND: During near-viewing, the vestibulo-ocular reflex (VOR) response/gain increases to compensate for the relatively larger translation of the eyes with respect to the target. OBJECTIVE: To review vergence-mediated gain increase (VMGI) testing methods stimuli and responses (latency and amplitude), peripheral/central pathways and clinical relevance. METHODS: The authors discuss publications listed in PUBMED since 1980 in the light of their own studies...
March 28, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Anat V Lubetzky, Daphna Harel, Santosh Krishnamoorthy, Gene Fu, Brittani Morris, Andrew Medlin, Zhu Wang, Ken Perlin, Agnieszka Roginska, Maura Cosetti, Jennifer Kelly
OBJECTIVE: The purpose of this study was to determine the extent to which sensory integration strategies via head sway, derived from a Head-Mounted Display (HMD), change in people with vestibular disorders following vestibular rehabilitation. DESIGN: Randomized Controlled TrialSetting:Vestibular Rehabilitation ClinicParticipants:Thirty participants with vestibular dysfunction and 21 age-matched controls. MAIN OUTCOME MEASURES: Participants experienced two levels of visual surround (static or moving 'stars', front to back at 0...
March 4, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Hao Peng, Liyi Wang, Haitao Song, Bo Gao, Yi Yang, Fan Lyu
BACKGROUND: The etiology and mechanism of persistent geotropic horizontal direction-changing positional nystagmus (DCPN) are still unclear. Whether this pattern of nystagmus is a subtype of benign paroxysmal positional vertigo (BPPV) remains controversial. OBJECTIVE: The goal of this study was to observe the clinical characteristics of persistent geotropic horizontal DCPN involving the lateral semicircular canal. METHODS: The analysis was performed to participants with episodic positional vertigo in our clinic from 2014 to 2021...
February 9, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Tuğba Emekci, Mehmet Akif Dündar, Gülce Kirazlı, Feyza İnceoğlu, Deniz Uğur Cengiz, Fatma Men Kilinç, Ercan Karababa, Seray Muzaç, Şeyda Kaya, Hamdi Arbağ
BACKGROUND/OBJECTIVE: There exists limited information in the literature on dominant hand preference in relation with vHIT applications. The present study aimed to examine the relationship between the clinician's dominant use of right- or left-hand and vHIT results. METHODS: A Synapsys vHIT Ulmer device was used in the study. The tests were administered by 3 clinicians experienced in vHIT, 2 of whom were right-handed and 1 left-handed. The test was applied to the 94 participants three times, one week apart...
February 9, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Merih Onal, Ahmet Aygun, Bahar Colpan, Harun Karakayaoglu, Ozkan Onal
BACKGROUND: Video head impulse test (vHIT) and videonystagmography (VNG) provide significant benefits in evaluating benign paroxysmal positional vertigo (BPPV) and determining the semicircular canal localization of the otoconia. OBJECTIVE: This study aimed to investigate the relationship between vestibular-ocular reflex (VOR) gains measured via vHIT and the slow-phase velocity (SPV) of nystagmus in patients with the posterior semicircular canal (PSCC)-BPPV. METHODS: Sixty-two patients were included in this study and divided into the study (n = 32, patients with isolated PSCC-BPPV) and control (n = 30, age- and sex-matched healthy individuals) groups...
February 5, 2023: Journal of Vestibular Research: Equilibrium & Orientation
Koshi Ota, Daisuke Nishioka, Yusuke Katayama, Tetsuhisa Kitamura, Jun Masui, Kanna Ota, Masahiko Nitta, Tetsuya Matsuoka, Akira Takasu
OBJECTIVE: We aimed to identify the proportion of each medical condition or disease contributing to dizziness and their disposition in the Emergency Department (ED). METHODS: This retrospective, descriptive study examined data from the Osaka Emergency Information Research Intelligent Operation Network system in Japan for the period from January 1, 2018 to December 31, 2020. The inclusion criteria were patients with presumptive ICD-10 codes including "dizziness" or "vertigo"...
January 13, 2023: Journal of Vestibular Research: Equilibrium & Orientation
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