MRI for eye movement.
نویسندگان
چکیده
منابع مشابه
Eye Mechanics And Their Implications For Eye Movement Control
Measurements of eye movements have shown that centrifugal movements (i.e. away from the primary position) have a lower maximum velocity and a longer duration than centripetal movements (i.e. toward the primary position) of the same size. In 1988 Pelisson proposed that these kinematic differences might be caused by differences in the neural command signals, oculomotor mechanics or a combination ...
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• Rapid eye movement (REM) sleep was first identified by its most obvious feature: rapid eye movements occurring during sleep. In most adult mammals the electroencephalogram (EEG) of the neocortex is low in voltage during REM sleep. The hippocampus exhibits regular high-voltage theta waves throughout REM sleep. • The key brain structure for generating REM sleep is the brainstem, particularly th...
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An 8-year-old girl presented with opsoclonus-like eye movement and an 18 month history of intermittent facial tics. Investigations were all normal. Electro-oculography showed the eye movements to be of variable amplitude (10-40 degrees), with no intersaccadic interval, and with a frequency of 3-4 Hz. Saccades, smooth pursuit, optokinetic, and vestibular reflexes were all normal. These abnormal ...
متن کاملEye Movement Control
It is well-known that eye movements are central to visual perception [1]. Visual acuity decreases dramatically in the periphery of vision, and precise eye movements to specific locations are vital to foveate objects of interest and identify them with high accuracy [1–4]. Given the importance of eye movements for visual perception, there has been a surge of interest in the topic, with numerous s...
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We examined the nature of eye-hand coupling for the fast correction of on-going arm reaching movements in response to an abrupt target jump. We found a significant correlation between the onset times of eye and arm responses. Importantly, the initial component of the reaching correction was affected by a saccade occurrence even though the onset of reaching correction was prior to the saccade on...
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ژورنال
عنوان ژورنال: JAPANESE ORTHOPTIC JOURNAL
سال: 2000
ISSN: 1883-9215,0387-5172
DOI: 10.4263/jorthoptic.28.1