منابع مشابه
Transmission of spatial information in S-cone pathways.
The mosaics of S-cones and the neurons to which they are connected are relatively well characterized, so the S-cone system is a good vehicle for exploring how the sampling of the retinal image controls visual performance. We used an interferometer to measure the grating acuity of the S-cone system in the fovea and at a range of eccentricities out to 20 deg. We also developed a simple model obse...
متن کاملON and OFF S-cone pathways have different long-wave cone inputs
Three experiments compared thresholds for S-cone increments and decrements under steady and transient adaptation conditions, to investigate whether stimuli of both polarities are detected by the same cone-opponent psychophysical mechanism. The results could not be accounted for by a standard model of the S-cone detection pathway [Polden & Mollon (1980) Proceedings of the Royal Society of London...
متن کاملVisual Psychophysics and Physiological Optics Vision in Observers With Enhanced S-Cone Syndrome: An Excess of S-Cones but Connected Mainly to Conventional S-Cone Pathways
Citation: Ripamonti C, Aboshiha J, Henning GB, et al. Vision in observers with enhanced S-cone syndrome: an excess of S-cones but connected mainly to conventional S-cone pathways. Invest Ophthalmol Vis Sci. 2014;55:963–976. DOI:10.1167/iovs. 13-12897 PURPOSE. The effect of increased numbers of S-cone photoreceptors in enhanced S-cone syndrome (ESCS) was investigated psychophysically in six ESCS...
متن کاملVision in observers with enhanced S-cone syndrome: an excess of s-cones but connected mainly to conventional s-cone pathways.
PURPOSE The effect of increased numbers of S-cone photoreceptors in enhanced S-cone syndrome (ESCS) was investigated psychophysically in six ESCS observers to understand more about relative cone sensitivities and postreceptoral organization. METHODS Measures of temporal sensitivity or delay were made: S- and L-cone temporal acuity (critical flicker fusion, or CFF), S-cone temporal contrast se...
متن کاملSimultaneous S-cone contrast
Chromatic induction is the change in appearance of one light caused by a second, nearby light. We measured chromatic induction in a central test viewed within an inducing field that was varied in only short-wavelength-sensitive (S) cone stimulation. The observer matched the appearance of the central test by adjusting the chromaticity of a haploscopically presented comparison field, seen by the ...
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ژورنال
عنوان ژورنال: Journal of Vision
سال: 2012
ISSN: 1534-7362
DOI: 10.1167/12.9.109