Results 211 to 220 of about 67,861 (244)
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Experimental Brain Research, 1986
An eye velocity storage mechanism has been postulated in the vestibulo-optokinetic system to account for the prolongation of vestibular nystagmus (VN) and the occurrence of optokinetic after-nystagmus (OKAN). Presentation of a subject-stationary full-field surround during VN and OKAN (= full-field fixation) rapidly reduces activity related to eye ...
W Waespe, Waespe W, Schwarz U
exaly +3 more sources
An eye velocity storage mechanism has been postulated in the vestibulo-optokinetic system to account for the prolongation of vestibular nystagmus (VN) and the occurrence of optokinetic after-nystagmus (OKAN). Presentation of a subject-stationary full-field surround during VN and OKAN (= full-field fixation) rapidly reduces activity related to eye ...
W Waespe, Waespe W, Schwarz U
exaly +3 more sources
Functional and Anatomical Correlates of Impaired Velocity Storage
Journal of the American Academy of Audiology, 2004Velocity storage (VS), a brainstem function, extends the low-frequency response of the vestibular system. To better understand VS mechanisms and characteristics in humans, we analyzed retrospectively functional measures of gait, electrophysiological measures of vestibular function, and imaging studies in an attempt to determine clinical ...
Gary P, Jacobson +4 more
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The relation of motion sickness to the spatial?temporal properties of velocity storage
Experimental Brain Research, 2003Tilting the head in roll to or from the upright while rotating at a constant velocity (roll while rotating, RWR) alters the position of the semicircular canals relative to the axis of rotation. This produces vertical and horizontal nystagmus, disorientation, vertigo, and nausea.
Theodore Raphan +2 more
exaly +3 more sources
The Critical Role of Velocity Storage in Production of Motion Sickness
Annals of the New York Academy of Sciences, 2003AbstractWe propose that motion sickness is mediated through the orientation properties of velocity storage in the vestibular system that tend to align eye velocity produced by the angular vestibulo‐ocular reflex (aVOR) with gravito‐inertial acceleration (GIA). (GIA is the sum of the linear accelerations acting on the head.
Bernard, Cohen +2 more
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Velocity storage in the vestibulo-ocular reflex arc (VOR)
Experimental Brain Research, 1979Vestibular and optokinetic nystagmus (OKN) of monkeys were induced by platform and visual surround rotation. Vision prolonged per-rotatory nystagmus and cancelled or reduced post-rotatory nystagmus recorded in darkness. Presumably, activity stored during OKN summed with activity arising in the semicircular canals.
T, Raphan, V, Matsuo, B, Cohen
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Velocity storage in the human vertical rotational vestibulo-ocular reflex
Experimental Brain Research, 2010Human horizontal rotational vestibulo-ocular reflex (rVOR) has been extensively investigated: the horizontal semicircular canals sense yaw rotations with high-pass filter dynamics and a time constant (TC) around 5 s, yet the rVOR response shows a longer TC due to a central processing stage, known as velocity storage mechanism (VSM).
BERTOLINI, GIOVANNI, RAMAT, STEFANO
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Ultrastructure of vestibular commissural neurons related to velocity storage in the monkey
Neuroscience, 1999The angular vestibulo-ocular reflex maintains gaze during head movements. It is thought to be mediated by two components: direct and velocity storage pathways. The direct angular vestibulo-ocular reflex is conveyed by a three neuron chain from the labyrinth to the ocular motoneurons.
G R, Holstein +3 more
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Experimental Brain Research, 2008
Prolonged exposure to hypergravity in a human centrifuge can lead to post-rotary spatial disorientation and motion sickness. These symptoms are mainly provoked by tilting head movements and resemble the Space Adaptation Syndrome. We hypothesized that the occurrence of these post-rotary effects might be related to changes in the velocity storage (VS ...
Nooij, S.A.E., Bos, J.E., Groen, E.L.
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Prolonged exposure to hypergravity in a human centrifuge can lead to post-rotary spatial disorientation and motion sickness. These symptoms are mainly provoked by tilting head movements and resemble the Space Adaptation Syndrome. We hypothesized that the occurrence of these post-rotary effects might be related to changes in the velocity storage (VS ...
Nooij, S.A.E., Bos, J.E., Groen, E.L.
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REC investigations with the ESR storage ring at relativistic velocities
Hyperfine Interactions, 1998Using the experimental possibilities given by the ESR storage ring, it is possible to measure differential and total cross-sections for radiative electron capture by bare relativistic heavy ions. Exact relativistic calculations allow, e.g., for a unique identification of spin-flip processes and for an interpretation of two-step processes in terms of a ...
Jörg Eichler, Thomas Stöhlker
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The effects of intense click sounds on velocity storage in optokinetic after-nystagmus
European Archives of Oto-Rhino-Laryngology, 2000Vestibular evoked myogenic potentials (VEMP) occurring after click stimulation in cervical muscles are thought to be a polysynaptic response of otolith-vestibular nerve origin. In optokinetic after-nystagmus (OKAN) the direction of after-nystagmus changes and slow-phase velocity decreases with head tilt.
O, Sasaki +4 more
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