visual-vestibulo-ocular reflex
Comparison of vestibulo-ocular reflex instantaneous gain and velocity regression in differentiating the peripheral vestibular disorders
... Twenty seven healthy volunteers (13 women and 14 men), aged 18-75 years (mean= 41.07±13.73), and 29 patients (13 women and 16 men), aged 25-86 years (mean= 47.20±14.28), with three types of peripheral vestibulopathy were ...
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Normative vestibulo-ocular reflex data in 6-12 year-old children using video head-impulse test
... SCCs, was less than VOR gain for horizontal SCCs. The lower gain in VOR can be related to many factors such as lower amplitude of eye movement in vertical than horizontal plane, smaller visual range, and poorer ...
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Vestibulo-ocular reflex gain and compensatory saccades in three semicircular canals by video head impulse test
... Methods: The vHIT test was performed by an examiner in 49 normal individuals aged 23–39 at low and high velocities. All participants had normal hearing, visual, and vestibular systems. Results: Mean gains in the ...
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A brief review of the clinical anatomy of the vestibular ocular connections—how much do we know?
... (vestibulo-ocular reflex, VOR) has been elucidated in the last decade, and we summarise this in graphic ...complex visual stimuli such as binocular rivalry influence VOR ...
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Vestibulo-ocular reflex in patients with amnestic mild cognitive impairment and normal controls: a comparative study
... predictor of the MoCA overall score. The vesti- bular system was to be considered as a main link between balance and cognitive impairment, since visual and proprioceptive components of balance was excluded in ...
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Normative vestibulo-ocular reflex data in yaw and pitch axes using the video head-impulse test
... High velocity, passive head impulses to one side or other stimulate the semicircular canal (SCC)in the plane of stimulation. In normal subjects, the response to that head thrust (with a latency of <10ms) is for the ...
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Evaluation of Driver Distraction with Changes in Gaze Direction Based on a Vestibulo Ocular Reflex Model
... These results confirm that our method can be applied in VOR experiments, and can be performed with a noninvasive sensor with a low mean-square error. In the near future, we hope to quantify in real time in a real ...
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Decorrelation control by the cerebellum achieves oculomotor plant compensation in simulated vestibulo-ocular reflex
... Figure 2. VOR. (a) Schematic neural circuitry. A processed vestibular signal related to head velocity is passed both to secondary vestibular neurons in the brainstem and to the cerebellar occulus (in the form of ...
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Chronic symptoms after vestibular neuritis and the high velocity vestibulo ocular reflex
... the vestibulo‐ ocular reflex (VOR) which is the ratio of the size of slow phase corrective eye movement to the size of head movement (peak slow phase eye velocity / peak head ...preserves ...
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Association between vestibulo-ocular reflex suppression, balance, gait, and fall risk in ageing and neurodegenerative disease: protocol of a one-year prospective follow-up study
... Worldwide, the number of persons aged 60 and older is expected to almost triple from 841 million in 2013 to over two billion in 2050 [1]. Since falls are more common [2] and their consequences often more severe [3] in ...
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Garzorz, Isabelle (2018): Perceiving a stable world during self-motion: measurement and modeling of visual-vestibular integration and segregation. Dissertation, LMU München: Graduate School of Systemic Neurosciences (GSN)
... with integration and should be understood in the context of conflict detec- tion. It does not have a functional meaning implying separately accessible percepts of self-motion in inertial and visual space. ...
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Traumatic brain injury and vestibulo-ocular function: current challenges and future prospects
... the vestibulo-ocular reflex (VOR) coordinates eye movement with head movement, in order to provide clear vision during motion and maintain ...the ocular and vestibular ...the ...
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Monocular gaze depth estimation using the vestibulo ocular reflex
... At the beginning of the recording, a white colour target with a cross at its centre was shown at 70 cm. To help participants align their head with the target at the beginning of each trial, a cross was shown in the ...
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Universal ocular screening of 481 infants using wide-field digital imaging system
... In recent years, as children’s healthcare system in China has improved, policies about eye screening and vision care in childhood has been issued. Children in some metropol- itan cities have received neonatal eye ...
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THE IMPORTANCE OF VISUAL AWARENESS AMONG JUNIOR ATHLETES IN KLANG VALLEY, MALAYSIA
... the visual screening ...self-reported visual function, ocular symptoms, and perceptions towards eye ...of visual and ocular symptoms ...
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Perioperative visual loss in ocular and nonocular surgery
... with giant cell arteritis (GCA), often presents in the elderly with an elevated erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP), and systemic symptoms such as weight loss and jaw claudication. It is ...
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False negative results in glaucoma detection with Heidelberg Retina Tomograph II
... Results: Four hundred and fi fty patients who had undergone an HRT examination were ana- lyzed. One hundred and nine patients had an HRT classifi ed as normal on the MRA, and a good quality image. Fifteen of those 109 ...
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Age dependent normal horizontal VOR gain of head impulse test as measured with video-oculography
... Methods: Sixty control subjects without any current or previous form of brain disorder or vertigo participated in this study and form the basis for future comparison to patients with vestibular lesions. The relationship ...
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Fabry disease: a survey of visual and ocular symptoms
... the ocular imaging of the Fabry group, Mr Jack Greenan for the data entry related to the study, and Dr Rebecca Kammer for her interesting discussions about survey instruments and ...
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Binocular function to increase visual outcome in patients implanted with a diffractive trifocal intraocular lens
... mulative visual acuity for the better eye and ...mon- ocular and binocular UDVA, UIVA, UNVA or the bin- ocular visual acuity gain between the cataract and the refractive lens exchange ...
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