Search Results - "SHARPE, Lindsay T"

The Contributions of Color to Recognition Memory for Natural Scenes by Wichmann, Felix A, Sharpe, Lindsay T, Gegenfurtner, Karl R

“…The authors used a recognition memory paradigm to assess the influence of color information on visual memory for images of natural scenes. Subjects performed…”
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Rod pathways: the importance of seeing nothing by Sharpe, Lindsay T., Stockman, Andrew

“…Anatomical and physiological studies of the mammalian retina have revealed two primary pathways available for the transmission of rod signals to the ganglion…”
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Red, Green, and Red-Green Hybrid Pigments in the Human Retina: Correlations between Deduced Protein Sequences and Psychophysically Measured Spectral Sensitivities by Sharpe, Lindsay T, Stockman, Andrew, Jagle, Herbert, Knau, Holger, Klausen, Gert, Reitner, Andreas, Nathans, Jeremy

“…To analyze the human red, green, and red-green hybrid cone pigments in vivo, we studied 41 male dichromats, each of whose X chromosome carries only a single…”
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Color Signals in Human Motion-Selective Cortex by Wandell, Brian A, Poirson, Allen B, Newsome, William T, Baseler, Heidi A, Boynton, Geoffrey M, Huk, Alex, Gandhi, Sunil, Sharpe, Lindsay T

“…The neural basis for the effects of color and contrast on perceived speed was examined using functional magnetic resonance imaging (fMRI). Responses to S cone…”
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Into the twilight zone: the complexities of mesopic vision and luminous efficiency by Stockman, Andrew, Sharpe, Lindsay T.

“…Of all the functions that define visual performance, the mesopic luminous efficiency function is probably the most complex and hardest to standardise or model…”
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The spectral sensitivities of the middle- and long-wavelength-sensitive cones derived from measurements in observers of known genotype by Stockman, Andrew, Sharpe, Lindsay T.

“…The spectral sensitivities of middle- (M-) and long- (L-) wavelength-sensitive cones have been measured in dichromats of known genotype: M-cone sensitivities…”
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Selective Color Constancy Deficits after Circumscribed Unilateral Brain Lesions by Ruttiger, Lukas, Braun, Doris I, Gegenfurtner, Karl R, Petersen, Dirk, Schonle, Paul, Sharpe, Lindsay T

“…The color of an object, when part of a complex scene, is determined not only by its spectral reflectance but also by the colors of all other objects in the…”
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Tritanopic color matches and the middle- and long-wavelength-sensitive cone spectral sensitivities by Stockman, Andrew, Sharpe, Lindsay T

“…Tritanopic color matches (i.e. matches that depend on the middle- (M) and long- (L), but not short- (S) wavelength-sensitive cones) were made between two…”
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Flicker cone electroretinogram in dichromats and trichromats by Usui, Tomoaki, Kremers, Jan, Sharpe, Lindsay T, Zrenner, Eberhart

“…To measure cone signal strengths in the flicker electroretinogram (ERG) of dichromats and trichromats, we developed a set of flickering stimuli (30 Hz), which…”
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Human scotopic sensitivity is regulated postreceptorally by changing the speed of the scotopic response by Stockman, Andrew, Candler, Toby, Sharpe, Lindsay T

“…Sensitivity regulation enables the visual system to function effectively from the absorption of a few photons at the lowest visual threshold to the absorption…”
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CNGB3 mutations account for 50% of all cases with autosomal recessive achromatopsia by KOHL, Susanne, VARSANYI, Balazs, JURKLIES, Bernhard, FARKAS, Agnes, ANDREASSON, Sten, WELEBER, Richard G, JACOBSON, Samuel G, RUDOLPH, Günther, CASTELLAN, Claudio, DOLLFUS, Helene, LEGIUS, Eric, ANASTASI, Mario, ANTUNES, Gesine Abadin, BITOUN, Pierre, LEV, Dorit, SIEVING, Paul A, MUNIER, Francis L, ZRENNER, Eberhart, SHARPE, Lindsay T, CREMERS, Frans P. M, WISSINGER, Bernd, BAUMANN, Britta, HOYNG, Carel B, JÄGLE, Herbert, ROSENBERG, Thomas, KELLNER, Ulrich, LORENZ, Birgit, SALATI, Roberto

“…Achromatopsia is a congenital, autosomal recessively inherited disorder characterized by a lack of color discrimination, low visual acuity (<0.2), photophobia,…”
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The spectral sensitivity of the human short-wavelength sensitive cones derived from thresholds and color matches by Stockman, Andrew, Sharpe, Lindsay T., Fach, Clemens

“…We used two methods to estimate short-wave (S) cone spectral sensitivity. Firstly, we measured S-cone thresholds centrally and peripherally in five…”
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Human Rod Monochromacy: Linkage Analysis and Mapping of a Cone Photoreceptor Expressed Candidate Gene on Chromosome 2q11 by Wissinger, Bernd, Jägle, Herbert, Kohl, Susanne, Broghammer, Martina, Baumann, Britta, Hanna, David B, Hedels, Christian, Apfelstedt-Sylla, Eckhard, Randazzo, Giorgio, Jacobson, Samuel G, Zrenner, Eberhart, Sharpe, Lindsay T

“…We have performed linkage analysis in eight families with rod monochromacy, an autosomal recessively inherited condition with complete color blindness…”
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A luminous efficiency function, VD65 (λ), for daylight adaptation: A correction by Sharpe, Lindsay T., Stockman, Andrew, Jagla, Wolfgang, Jägle, Herbert

“…We recently proposed a 2° photopic luminosity function, VD65*(λ) [J Vis 2005;5:948–968], which improves upon the original CIE 1924 V(λ) function and its…”
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A luminous efficiency function, V ( λ ), for daylight adaptation by Sharpe, Lindsay T., Stockman, Andrew, Jagla, Wolfgang, Jägle, Herbert

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CNGA3 Mutations in Hereditary Cone Photoreceptor Disorders by Wissinger, Bernd, Gamer, Daphne, Jägle, Herbert, Giorda, Roberto, Marx, Tim, Mayer, Simone, Tippmann, Sabine, Broghammer, Martina, Jurklies, Bernhard, Rosenberg, Thomas, Jacobson, Samuel G., Sener, E. Cumhur, Tatlipinar, Sinan, Hoyng, Carel B., Castellan, Claudio, Bitoun, Pierre, Andreasson, Sten, Rudolph, Günter, Kellner, Ulrich, Lorenz, Birgit, Wolff, Gerhard, Verellen-Dumoulin, Christine, Schwartz, Marianne, Cremers, Frans P.M., Apfelstedt-Sylla, Eckart, Zrenner, Eberhart, Salati, Roberto, Sharpe, Lindsay T., Kohl, Susanne

“…We recently showed that mutations in the CNGA3 gene encoding the α-subunit of the cone photoreceptor cGMP-gated channel cause autosomal recessive complete…”
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The dependence of luminous efficiency on chromatic adaptation by Stockman, Andrew, Jägle, Herbert, Pirzer, Markus, Sharpe, Lindsay T

“…We investigated the dependence of luminous efficiency on background chromaticity by measuring 25-Hz heterochromatic flicker photometry (HFP) matches in six…”
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The effect of sildenafil citrate (Viagra) on visual sensitivity by Stockman, Andrew, Sharpe, Lindsay T, Tufail, Adnan, Kell, Philip D, Ripamonti, Caterina, Jeffery, Glen

“…The erectile dysfunction medicine sildenafil citrate (Viagra) inhibits phosphodiesterase type 6 (PDE6), an essential enzyme involved in the activation and…”
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Human cone light adaptation: from behavioral measurements to molecular mechanisms by Stockman, Andrew, Langendörfer, Micha, Smithson, Hannah E, Sharpe, Lindsay T

“…The ability of the cone visual system to regulate its sensitivity from twilight to bright sunlight is an extraordinary feat of biology. Here, we investigate…”
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Reorganization of human cortical maps caused by inherited photoreceptor abnormalities by Wandell, Brian A, Baseler, Heidi A, Brewer, Alyssa A, Sharpe, Lindsay T, Morland, Antony B, Jägle, Herbert

“…We describe a compelling demonstration of large-scale developmental reorganization in the human visual pathways. The developmental reorganization was observed…”
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