Results 21 to 30 of about 530 (166)

Reduction of the vertical vestibular-ocular reflex in military aircraft pilots exposed to tactical, high-performance flight

Frontiers in Neurology, 2023
BackgroundExposure to high-performance flight stresses the vestibular system and may lead to adaptive changes in the vestibular responses of pilots. We investigated the vestibular-ocular reflex of pilots with different histories of flight exposure both ...
Giovanni Bertolini, Giovanni Bertolini, Giovanni Bertolini, Alberto Pagnamenta, Alberto Pagnamenta, Alberto Pagnamenta, Andres Kunz, Aleardo Del Torso, Denis Bron   +8 more
doaj   +1 more source

The Mechanics of the Growing Semicircular Canal [PDF]

Journal of Experimental Biology, 1973
ABSTRACT The motion of the endolymph in the semicircular canal is described with the aid of a linear second-order system, comprising the applied angular acceleration and the linear displacement, the linear velocity and the linear acceleration of the endolymph.
openaire   +3 more sources

Vestibular Disorders Limited to the Vertical Semicircular Canals

International Archives of Otorhinolaryngology
Introduction The advent of the video head impulse test (vHIT) enables the study of each one of the six semicircular canals. In the present study, certain patients present disorders related only to the vertical semicircular canals, and they ...
Pedro Luiz Mangabeira Albernaz, Flavia Salvaterra Cusin, Bernardo Faria Ramos, Renato Cal, Francisco Carlos Zuma e Maia   +4 more
doaj   +1 more source

An Unusual Case of Bilateral Agenesis of the Cochlear Nerves

Case Reports in Neurological Medicine, 2012
Imaging of the cochlea and internal auditory canals are increasingly important nowadays because of the growing number of cochlear implants being performed throughout the world.
Vítor Yamashiro Rocha Soares, Fabrício Mendes Ferreira, Christiane França Coimbra, André Luiz Lopez Sampaio, Carlos Augusto Costa Pires De Oliveira   +4 more
doaj   +1 more source

Quantitative analysis and correlative evaluation of video-oculography, micro-computed tomography, and histopathology in Pendrin-null mice

Neurobiology of Disease, 2023
Patients with SLC26A4 mutations exhibit highly variable hearing loss and vestibular dysfunction. Although Slc26a4 mutant mice similarly exhibit vestibular deficits, including circling behavior, head tilting, and torticollis, the underlying pathogenesis ...
Hiroki Watanabe, Taku Ito, Natsuki Aoki, Jing Bai, Keiji Honda, Yoshiyuki Kawashima, Taro Fujikawa, Takuo Ikeda, Takeshi Tsutsumi   +8 more
doaj   +1 more source

Turning semicircular canal function on its head: dinosaurs and a novel vestibular analysis. [PDF]

PLoS ONE, 2013
Previous investigations have correlated vestibular function to locomotion in vertebrates by scaling semicircular duct radius of curvature to body mass. However, this method fails to discriminate bipedal from quadrupedal non-avian dinosaurs.
Justin A Georgi, Justin S Sipla, Catherine A Forster   +2 more
doaj   +1 more source

Speech Perception in Ménière Disease

International Archives of Otorhinolaryngology, 2023
Introduction Ménière disease (MD) affects the inner ear, comprising the cochlea and semicircular canals. Symptoms include severe incapacitating vertigo, nausea, vomit, aural fullness, and sensorineural hearing loss – in which speech ...
Patricia Craveiro Fernandes, Bruno Takegawa, Fernando Freitas Ganança, Daniela Gil   +3 more
doaj   +1 more source

Gravity‐Dependent Modulation of Downbeat Nystagmus: Insights From Velocity‐Storage Dysfunction

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Downbeat nystagmus varies with head position, a phenomenon termed gravity‐dependent modulation. We aimed to clarify its mechanism using a velocity‐storage model. Methods In 10 patients with downbeat nystagmus due to cerebellar disorders, we recorded eye movements at different pitch‐ and roll‐axis head positions.
Ji‐Hyung Park, Eun‐Hyuk Choi, Jorge Otero‐Millan, David S. Zee, Jeong‐Yoon Choi, Ji‐Soo Kim   +5 more
wiley   +1 more source

Management of Lateral Semicircular Canal Benign Paroxysmal Positional Vertigo

Frontiers in Neurology, 2020
Benign paroxysmal positional vertigo (BPPV) is the most common cause of peripheral vestibular vertigo. It is caused by free-floating otoconia moving freely in one of the semicircular canals (canalolithiasis) or by otoliths adhered to the cupula ...
Francisco Zuma e Maia, Bernardo Faria Ramos, Renato Cal, Camila Martins Brock, Pedro Luiz Mangabeira Albernaz, Michael Strupp, Michael Strupp   +6 more
doaj   +1 more source

Neuromorphic Devices and Computing for Sensing, Memory, and Control

Advanced Science, EarlyView.
This review introduces neuromorphic devices made from diverse materials. These devices mimic neuronal functions and architectures and, when integrated with artificial or biological computing, can form closed loops with neurons for pressure, optical, acoustic, and biochemical sensing and modulation.
Zhengguang Zhu, Nicholas Schaffer, Xiao Yang   +2 more
wiley   +1 more source