Results 201 to 210 of about 14,656 (250)
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1967
As mentioned above, two features are characteristic of any saccadic movement of the eyes: (1) an almost perfect identity of the movements of both eyes; and (2) high velocity (the duration of saccades is measured in hundredths of a second). Under normal conditions these features are constantly observed and may be clearly recorded by any suitably ...
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As mentioned above, two features are characteristic of any saccadic movement of the eyes: (1) an almost perfect identity of the movements of both eyes; and (2) high velocity (the duration of saccades is measured in hundredths of a second). Under normal conditions these features are constantly observed and may be clearly recorded by any suitably ...
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Threshold perception and saccadic eye movements
Biological Cybernetics, 1986Involuntary eye movements were recorded during threshold detection tasks under various experimental conditions. The data were analyzed for interdependencies between stimulus parameters, detection performance, and oculomotor behaviour. The data demonstrate that under certain conditions, saccadic parameters are adaptive to specific stimulus properties ...
H, Deubel, T, Elsner
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Saccadic Eye Movements in Myasthenia Gravis
Ophthalmology, 1987The peak velocities of horizontal saccades were measured in patients with myasthenia gravis (MG) to determine whether they can differentiate MG from other causes of ophthalmoplegia. Eye movements were recorded with electrooculography (EOG) or infrared scleral reflection (IR) in 42 patients with MG, 26 patients with sixth cranial nerve palsy (CNP), 19 ...
R D, Yee +4 more
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MECHANISM OF SACCADIC EYE MOVEMENTS
Archives of Ophthalmology, 1954DODGE, who was the first systematically to study and classify the various types of eye movements, attached the name "saccadic movement" to the rapid changes in position of the eyeball which are typically found between fixational pauses during reading.
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Latency for Saccadic Eye Movement*
Journal of the Optical Society of America, 1967Under carefully controlled conditions, in blocks of trials in which the stimulus displacement on any given trial is randomly selected from a group of two, four, or eight possible displacements, latency for lateral saccadic eye movement does not change.
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1977
With a change of the fixation points, saccadic movements of the eyes, characterized by great speed and accuracy, take place. Saccadic eye movements are of great importance for the visual perception of surrounding space.
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With a change of the fixation points, saccadic movements of the eyes, characterized by great speed and accuracy, take place. Saccadic eye movements are of great importance for the visual perception of surrounding space.
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Saccadic eye movements in essential blepharospasm
Journal of Neurology, 1990To provide evidence of an organic pathology for essential (idiopathic) blepharospasm, reflex saccadic eye movements in response to randomly stepped visual targets were assessed in seven affected patients and seven age-matched controls using the magnetic scleral search coil technique.
Lueck, C. J. +4 more
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Saccadic Eye Movements and Body Sway
Science, 1980Different conditions of moving retinal images show differential influences on postural stability. A surrounding pattern moved during steady fixation increases body sway, but similar image motions generated by voluntary saccades do not. Mechanisms for postural control do not respond to visual feedback during saccades.
K D, White, R B, Post, H W, Leibowitz
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Brainstem Control of Saccadic Eye Movements
Annual Review of Neuroscience, 1985Saccades are rapid shifts in the direction of gaze. They include the fast (reset) phases of nystagmus generated by vestibular or optokinetic stimuli, the catch up movements required in the pursuit of a small moving target, and the scan ning movements used to explore a stationary visual scene .
A F, Fuchs, C R, Kaneko, C A, Scudder
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Saccadic eye movements to flashed targets
Vision Research, 1976Abstract A target presented as a flash in darkness, before, during or after a saccade, elicits a subsequent goal-directed saccade of normal amplitude and appropriate latency. In a flashed target variation of the Wheeless paradigm, “cancellation time” is not observed in circumstances where the first target is believed to be ineffective.
P E, Hallett, A D, Lightstone
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