Smooth pursuit of flicker-defined motion
نویسندگان
چکیده
منابع مشابه
Smooth pursuit of nonvisual motion.
Unlike saccades, smooth pursuit eye movements (SPEMs) are not under voluntary control and their initiation generally requires a moving visual target. However, there are various reports of limited smooth pursuit of the motion of a subject's own finger in total darkness (pursuit based on proprioceptive feedback) and to the combination of proprioception and tactile motion as an unseen finger was m...
متن کاملSmooth pursuit of small-amplitude sinusoidal motion.
Subjects used smooth eye movements to track small-amplitude sinusoidal target motions. Target frequencies (0.05 to 5 Hz) and amplitudes (1.9 to 30 min of arc) were in the range of those found in the retinal image during fixation of a stationary target while the head is not artificially supported. Smooth pursuit was poor at high target frequencies in several ways: Large uncompensated drifts were...
متن کاملCoherent motion pops out during smooth pursuit.
Stimulus motion is a prominent feature that is used by the visual system to segment figure from ground and perceptually bind widely separated objects. Pursuit eye movements can be influenced by such perceptual grouping processes. We have examined the subjects' ability to detect small amounts of coherent motion in random dot kinematograms during pursuit. We compared performance on tests of coher...
متن کاملSpeed Discrimination of Distal Stimuli during Smooth Pursuit Eye Motion
We evaluated the hypothesis that smooth pursuit eye movements affect speed discrimination thresholds of distal stimuli because they alter the retinal image speed. Subjects judged speed differences of sine-wave gratings while they simultaneously pursued a superimposed moving bar. Speed discrimination thresholds were measured, under conditions of controlled eye movements, for grating speeds of 0....
متن کاملIntegration of motion signals for smooth pursuit eye movements.
How does the brain combine local motion measurements to form an accurate description of object motion? For example, if a vertically oriented bar moves upward and rightward at a constant velocity, a neuron with a small receptive field positioned along the length of the contour can measure only the rightward component of motion, since the upward component provides no time-varying information with...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Vision
سال: 2014
ISSN: 1534-7362
DOI: 10.1167/14.10.493