نتایج جستجو برای: vestibular system

تعداد نتایج: 2242060  

2015
Rocco Salvatore Calabrò Antonino Naro Margherita Russo Antonino Leo Tina Balletta Ileana Saccá Rosaria De Luca Placido Bramanti

BACKGROUND Tilt-table equipped with the dynamic foot-support (ERIGO) and the functional electric stimulation could be a safe and suitable device for stabilization of vital signs, increasing patient's motivation for further recovery, decreasing the duration of hospitalization, and accelerating the adaptation to vertical posture in bedridden patients with brain-injury. Moreover, it is conceivable...

CH Lai FX Zhang SK Lai YS Chan

Brain-derived neurotrophic factor (BDNF) is known to be crucial for the development of peripheral vestibular neurons. However, the maturation profile of the BDNF signal transducing receptor, tyrosine kinase B (TrkB) in functionally activated otolith-related vestibular nuclear neurons of postnatal rats remains unexplored. In the present study, conscious Sprague-Dawley rats (P4 to adult) were sub...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2012
Yulia Valko Richard F Lewis Adrian J Priesol Daniel M Merfeld

To assess the contributions of the vestibular system to whole-body motion discrimination in the dark, we measured direction recognition thresholds as a function of frequency for yaw rotation, superior-inferior translation ("z-translation"), interaural translation ("y-translation"), and roll tilt for 14 normal subjects and for 3 patients following total bilateral vestibular ablation. The patient...

Journal: Physical Treatments 2020

Background: Blindness is associated with difficulty in balance control and the quality of life; accordingly, this population experiences more instability than healthy individuals. Thus, the present study aimed to evaluate the effects of vestibular exercises on postural control, the risk of falling, and the quality of life in visually-impaired individuals. Methods: This was a quasi-experimental...

Journal: :Practica Oto-Rhino-Laryngologica 1995

Journal: :The international tinnitus journal 2011
Agnes Szirmai Balázs Keller

The electronystagmographical analysis of the eye movements is an important method in the evaluation and topical diagnostic procedure of several vestibular lesions. The aim of the study was to compare the electronystagmographical results of the optokinetic and the smooth pursuit eye-movement, and their sensitivity in several vestibular disorders. The patients were divided into five groups: right...

2011
L. CALIFANO M.G. MELILLO A. VASSALLO S. MAZZONE

The Hyperventilation Test is widely used in the "bed-side examination" of vestibular patients. It can either activate a latent nystagmus in central or peripheral vestibular diseases or it can interact with a spontaneous nystagmus, by reducing it or increasing it. Aims of this study were to determine the incidence, patterns and temporal characteristics of Hyperventilation-induced nystagmus in pa...

2015
Mehrnaz Hosseini Saeid Farahani Mansoureh Adel Ghahraman Shohre Jalaie Aboulfazl Khademi

Background and Aim: Motion sickness (MS) is usually generated when there is a mismatch between the senses which serve balance. One of these senses is related to vestibular system, so it is highly possible that MS reflects in vestibular test results. But there are some conflicts in correlation between vestibular findings and MS. Thus, the objective of this study was to provide an overview of ves...

Journal: :Bratislavske lekarske listy 2012
S Krempaska J Koval

OBJECTIVE This study presents the role of vestibular evoked myogenic potentials (VEMPs) in the vestibular system investigation focused on the function of the saccule and inferior portion of the vestibular nerve. The main goal of the study is to report VEMP findings in different groups of patients with inner ear disorders symptoms and to identify some clinical application of this test in our pat...

Journal: :Journal of neurophysiology 2005
C Matthew Stewart Michael J Mustari Adrian A Perachio

Damage to the vestibular labyrinth leads to profound nystagmus and vertigo. Over time, the vestibular-ocular system recovers in a process called vestibular compensation leading to reduced nystagmus and vertigo provided visual signals are available. Our study was directed at identifying sources of visual information that could play a role in vestibular compensation. Specifically, we investigated...

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