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Application of fourier analysis to the visibility of gratings
1. The contrast thresholds of a variety of grating patterns have been measured over a wide range of spatial frequencies.
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The contrast sensitivity of retinal ganglion cells of the cat
1. Spatial summation within cat retinal receptive fields was studied by recording from optic‐tract fibres the responses of ganglion cells to grating patterns whose luminance perpendicular to the barsExpand
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Probability summation and regional variation in contrast sensitivity across the visual field
Abstract Contrast sensitivity at different positions in the visual field has been measured at various spatial frequencies using a patch of grating suitably vignetted to give a stimulus localized inExpand
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The photopic negative response of the macaque electroretinogram: reduction by experimental glaucoma.
PURPOSE To investigate the photopic flash electroretinograms (ERGs) of macaque monkeys in which visual field defects developed as a consequence of experimental glaucoma. METHODS UnilateralExpand
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Spatial and Temporal Contrast-Sensitivity Functions of the Visual System
T HE dependence of the form of the spatial contrast-sensitivity function for a square-wave test grating upon the duration of exposure of the target has been investigated by Schober and Hilz. 1 KellyExpand
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The Pelli-Robson Leiter Sensitivity Chart for the clinical determination of contrast-sensitivity . Expand
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Organization of suppression in receptive fields of neurons in cat visual cortex.
1. The response to an optimally oriented stimulus of both simple and complex cells in the cat's striate visual cortex (area 17) can be suppressed by the superposition of an orthogonally orientedExpand
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The Scotopic Threshold Response of the Dark‐Adapted Electroretinogram of the Mouse
The most sensitive response in the dark‐adapted electroretinogram (ERG), the scotopic threshold response (STR) which originates from the proximal retina, has been identified in several mammalsExpand
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Spatio‐temporal interactions in cat retinal ganglion cells showing linear spatial summation.
The spatio‐temporal characteristics of cat retinal ganglion cells showing linear summation have been studied by measuring both magnitude and phase of the responses of these cells to drifting orExpand
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The photopic negative response of the flash electroretinogram in primary open angle glaucoma.
PURPOSE To determine whether the photopic negative response (PhNR) of the electroretinogram (ERG) is reduced in patients with primary open angle glaucoma (POAG). METHODS ERGs were recorded with DTLExpand
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