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velocity but also on other properties of the target patterns, such as their luminance contrast and spatial frequency content [37,38]. Although discriminating a target by relying upon motion discontinuities ...
but also perceived target velocity [15]. Furthermore, during a isoluminant motion stimulus , both initial eye acceleration and perceived velocity are decreased compared to luminance-based stimuli which have ...
auditory, tactile, or somatosensory stimulation [6]. Whereas illusory motion can be tracked [7,8], pursuit in the complete absence of a stimulus is not usually possible. It appears to follow logically ...
-RAxis I psychotic condition.PROCEDURESPrevious Motion Perception ExperimentsA full description of the procedures used to obtain thresholds for velocity discrimination is contained in Chen et al.In brief ...
), the conditioning motion sequence proceeded across the skin at constant velocity (1-2-3-4-5-6, or 6-5-4-3-2-1). In the Scrambled condition (Fig 2B; Fig 4A, Bottom panel), the activation sequence for locations 3 and 4 ...
that quantifies the deterioration of motion direction discrimination caused by an increasing stimulus size: A larger SSI value indicates a greater deterioration in motion perception with increasing stimulus size ...
population representation at the local scale . Neurons interspersed in space therefore responded differently to a common stimulus kinematic feature. Conversely, neurons with similar feature selectivity were ...
14 are in the correct scale (diameter, 7.3°) and show threshold values from the perimetric motion test for this patient.The stimulus for the foveally centered motion test was centered on the fovea ...
for visual versus vestibular and linear versus angular self- motion . Neural responses scaled with self- motion magnitude (i.e., speed) but temporal dynamics were diverse across the population. Analyses ...
that can quantitatively discriminate the effect of visual stimulus as opposed to internal processes in the generation of saccades in the fruit fly. Our conclusions are that visual stimulus has a dominant ...
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