Results 161 to 170 of about 14,159 (204)
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Signal processing in the vestibulo-ocular reflex
2022In this chapter, Robinson develops models to account for the neural control of the vestibulo-ocular reflex in response to horizontal and vertical head rotations. By combining knowledge of the discharge properties of the several subpopulations of neurons that contribute to vestibular eye movements with their known anatomical connections, these models ...
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Somatosensory input influences the vestibulo-ocular reflex
Neuroscience Letters, 2009To evaluate the influence of somatosensory input on the vestibulo-ocular reflex (VOR), we used sinusoidal rotation tests in 19 young, healthy volunteers. For the control condition, subjects were sinusoidally rotated in complete darkness and with eyes opened at a frequency of 0.2 Hz with a maximum angular velocity of 30 degrees /s for 30s, and at ...
Akemi, Sugita-Kitajima, Izumi, Koizuka
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The Vertical Vestibulo-Ocular Reflex
1982If causal and teleological reasoning were clearly diametrically opposed attitudes, then tackling the central organization of vertical eye movements would indeed be a formidable task. This opening, and light, assertion is partially explained by the subsequent lengthy introduction to some of the problems posed by the descriptive, but unfortunately ...
R. Baker, W. Graf, R. F. Spencer
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Gravity and the vertical vestibulo-ocular reflex
Experimental Brain Research, 1991We studied the vertical vestibulo-ocular reflex (VOR) and vertical visual-vestibular interaction induced by voluntary pitch in the upright and onside positions in eight normal human subjects. Subjects were trained to produce sinusoidal (0.4 to 1.6 Hz) pitch head movements guided by a frequency modulated sound signal.
R W, Baloh, J, Demer
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Vestibulo-ocular reflex pathways in internuclear ophthalmoplegia
Annals of Neurology, 1999We measured the vestibulo-ocular reflex (VOR) during head impulses in a patient with right-sided internuclear ophthalmoplegia. Head impulses are rapid, passive, high-acceleration, low-amplitude head rotations in the direction of a particular semicircular canal (SCC). Adduction of the right eye was abnormally slow during right lateral SCC head impulses.
P D, Cremer +3 more
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Vestibulo-ocular reflex and visual vestibulo-ocular reflex during sinusoidal rotation in children.
Acta oto-laryngologica. Supplementum, 1997To clarify the relationship between vestibular and visual (optokinetic) stimuli in normal children, we investigated the vestibulo-ocular reflex (VOR) and visual VOR (VVOR). The subjects were 20 healthy children aged 3-6 years and 24 healthy adults aged 21-29 years.
M, Sakaguchi +6 more
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"Velocity leakage" in the pigeon vestibulo-ocular reflex
Biological Cybernetics, 1994The transfer characteristics of the vestibulo-ocular reflex (VOR), and of the semicircular canal primary afferents (SCPAs) that drive it, have been studied in several species. In monkeys and cats, the dominant time constant describing horizontal VOR dynamics (tau hv) is longer than that (tau c) of horizontal SCPAs. This lengthening of the time constant
Anastasio, T. J., Correia, M. J.
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The Vestibulo-Ocular Reflex in Newborn Rats
Acta Oto-Laryngologica, 1979To study the development of vestibular functioning, the vestibulo-ocular reflex was tested in rats of increasing age. High frequency electrical stimulation of the vestibular nerve elicited characteristic conjugate eye movements in newborn rats well before the eyes were open (about day 15 after birth) and before the semi-circular canals had reached full
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Cerebellar learning in the vestibulo–ocular reflex
Trends in Cognitive Sciences, 1998The vestibulo-ocular reflex, because of its close relationship with the cerebellum and its marked adaptiveness, has become a model system for studying the functions of the cerebellum. It has been hypothesized that an evolutionarily old part of the cerebellum, the flocculus, forms a modifiable accessory pathway for the vestibulo-ocular reflex arc for ...
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[Functional vestibulo-ocular reflex test].
Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery, 2019Summary In recent years, the diagnosis and treatment of vertigo and balance disorders have become a hot topic of multidisciplinary attention. The evaluation method of vestibular function has also been improved, providing important evidence for the diagnosis and differential diagnosis of vertigo related diseases.
Y Z, Zhang +8 more
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