منابع مشابه
Eccentricity effects on lateral interactions
We attempted to resolve an apparent conflict between the lack of psychophysical evidence of collinear facilitation at the near-periphery and physiological evidence from the monkey showing collinear effects extra-fovealy. We compared collinear and orthogonal configurations to discount facilitation due to reduced positional uncertainty. Detection thresholds were measured for Gabor targets at ecce...
متن کاملEccentricity effects in vision and attention
Stimulus eccentricity affects visual processing in multiple ways. Performance on a visual task is often better when target stimuli are presented near or at the fovea compared to the retinal periphery. For instance, reaction times and error rates are often reported to increase with increasing eccentricity. Such findings have been interpreted as purely visual, reflecting neurophysiological differ...
متن کاملEffects of Retinal Eccentricity on Human Manual Control
This study investigated the effects of viewing a primary flight display at different retinal eccentricities on human manual control behavior and performance. Ten participants performed a pitch tracking task while looking at a simplified primary flight display at different horizontal and vertical retinal eccentricities, and with two different controlled dynamics. Tracking performance declined at...
متن کاملVisual short-term memory for natural scenes: Effects of eccentricity.
It is well established that a range of basic visual acuities and sensitivities decline with retinal eccentricity due in part to a decline in spatial sampling in the retina. However, it is also known that not all peripheral deficits can be explained entirely by such low-level factors, suggesting a specialization of central vision for certain visual tasks. Here, we examine visual short-term memor...
متن کاملEffects of age and eccentricity on visual target detection
The aim of this study was to examine the effects of aging and target eccentricity on a visual search task comprising 30 images of everyday life projected into a hemisphere, realizing a ±90° visual field. The task performed binocularly allowed participants to freely move their eyes to scan images for an appearing target or distractor stimulus (presented at 10°; 30°, and 50° eccentricity). The di...
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ژورنال
عنوان ژورنال: Nature
سال: 1879
ISSN: 0028-0836,1476-4687
DOI: 10.1038/020626a0