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Neuronal nonlinearity explains greater visual spatial resolution for darks than lights
Significance Light and dark stimuli are separately processed by ON and OFF channels in retina and thalamus. Although most textbooks assume that ON and OFF visual responses are relatively balancedExpand
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Neuronal and Perceptual Differences in the Temporal Processing of Darks and Lights
Visual information is mediated by two major thalamic pathways that signal light decrements (OFF) and increments (ON) in visual scenes, the OFF pathway being faster than the ON. Here, we demonstrateExpand
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COLUMNAR ORGANIZATION OF SPATIAL PHASE IN VISUAL CORTEX
Images are processed in the primary visual cortex by neurons that encode different stimulus orientations and spatial phases. In primates and carnivores, neighboring cortical neurons share similarExpand
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Darks Are Processed Faster Than Lights
Recent physiological studies claim that dark stimuli have access to greater neuronal resources than light stimuli in early visual pathway. We used two sets of novel stimuli to examine the functionalExpand
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Salience of unique hues and implications for color theory.
The unique hues--blue, green, yellow, red--form the fundamental dimensions of opponent-color theories, are considered universal across languages, and provide useful mental representations forExpand
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Neuronal nonlinearity explains greater visual spatial resolution for dark than for light stimuli
Astronomers and physicists noticed centuries ago that visual spatial resolution is higher for dark than light stimuli [1,2], but the neuronal mechanisms for this perceptual asymmetry remainExpand
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