Minimum-variance cone-excitation ratios and the limits of relational color constancy.

abstract：:The development of spatial vision is relatively well documented in human and nonhuman primates. However, little is known about the development of sensitivity to motion. We measured the development of sensitivity to direction of motion, and the relationship between motion and contrast sensitivity in macaque monkeys as ...

journal_title：Visual neuroscience

authors： Kiorpes L,Movshon JA

更新日期：2004-11-01 00:00:00

abstract：:Several studies document rudimentary color vision under dim illumination. Here, hue perceptions of paper color samples were determined for a wide range of light levels, including very low light levels where rods alone mediate vision. The appearances of 24 paper color samples from the OSA Uniform Color Scales were gaug...

journal_title：Visual neuroscience

authors： Pokorny J,Lutze M,Cao D,Zele AJ

更新日期：2006-05-01 00:00:00

abstract：:Five lagged cells were recognized by extracellular recording in the lateral geniculate nucleus of an awake, behaving macaque monkey. Previous reports of lagged cells were all in the anesthetized cat. Both parvocellular and magnocellular lagged cells were observed. Response timing was distributed continuously across th...

journal_title：Visual neuroscience

authors： Saul AB

更新日期：2008-09-01 00:00:00

abstract：:Nucleus rotundus and nucleus dorsolateralis posterior (DLP) are the thalamic components of two parallel pathways within the tectofugal division of the pigeon visual system. An earlier study (Hodos, Weiss & Bessette, 1986) had shown that lesions in direct telencephalic recipients of projections from rotundus and DLP pr...

journal_title：Visual neuroscience

authors： Kertzman C,Hodos W

更新日期：1988-01-01 00:00:00

abstract：:Human, macaque monkey, and rat retinas were immunostained with a polyclonal antibody preparation against purified recoverin, a 23-kD calcium-binding protein isolated from bovine retina that localizes to rods and cones (Dizhoor et al., 1991). In addition to immunoreactive photoreceptors, we have identified subpopulatio...

journal_title：Visual neuroscience

authors： Milam AH,Dacey DM,Dizhoor AM

更新日期：1993-01-01 00:00:00

abstract：:The size, pattern of terminal arborizations, and laminar specificity of individual retinogeniculate axons were studied in the macaque following injections of HRP into the optic tract. Axons that terminated in the magnocellular layers had significantly larger fiber diameters and wider terminal fields than those that te...

journal_title：Visual neuroscience

authors： Conley M,Fitzpatrick D

更新日期：1989-01-01 00:00:00

abstract：:The distributions of rod and cone photoreceptors have been determined in the retina of the California ground squirrel, Spermophilus beecheyi. Retinas were fixed by perfusion and the rods and cones were detected with indirect immunofluorescence using opsin antibodies. Local densities were determined at 2-mm intervals a...

journal_title：Visual neuroscience

authors： Kryger Z,Galli-Resta L,Jacobs GH,Reese BE

更新日期：1998-07-01 00:00:00

abstract：:Adult Japanese quail have an endogenous circadian clock located in their eyes that has been shown to regulate melatonin biosynthesis. We investigated if a circadian oscillator is present in cultures of dispersed embryonic quail retina. Melatonin release in retinal cell culture is modulated by the light cycle, indicati...

journal_title：Visual neuroscience

authors： Pierce ME

更新日期：1999-09-01 00:00:00

abstract：:In order to elucidate the role of putative indoleaminergic amacrine cells in visual processing, we have employed pharmacological agents specific for the two classes of serotonin receptor, 5-HT2 and 5-HT1, which have been identified in both the retina and brain. Perfusion of the rabbit retina with 5-HT2 selective antag...

journal_title：Visual neuroscience

authors： Brunken WJ,Daw NW

更新日期：1988-01-01 00:00:00

abstract：:The representation of the visual field in the part of area 17 containing neurons that project axons across the corpus callosum to the contralateral hemisphere was defined in the cat. Of 1424 sites sampled along 77 electrode tracks, 768 proved to be in the callosal sending zone, which was identified by retrograde trans...

journal_title：Visual neuroscience

authors： Payne BR

更新日期：1991-09-01 00:00:00

abstract：:Dark-adapted rods exert a tonic suppressive influence upon cone-mediated sensitivity to rapid flicker, a phenomenon called suppressive rod-cone interaction (SRCI). However, rod dark adaptation has negligible influence upon cone-mediated thresholds measured with more usual psychophysical procedures. The present study s...

journal_title：Visual neuroscience

authors： Frumkes TE,Lange G,Denny N,Beczkowska I

更新日期：1992-02-01 00:00:00

abstract：:Absorbance spectra of cone outer segments and oil droplets were recorded microspectrophotometrically in the retina of the red-eared turtle, Trachemys scripta elegans. There are four cone visual pigments, with lambda(max) = 617 nm (red sensitive), 515 nm (green sensitive), 458 nm (blue sensitive), and 372 nm (UV-sensit...

journal_title：Visual neuroscience

authors： Loew ER,Govardovskii VI

更新日期：2001-09-01 00:00:00

abstract：:The Tennessee Mouse Genome Consortium (TMGC) is in its fifth year of a ethylnitrosourea (ENU)-based mutagenesis screen to detect recessive mutations that affect the eye and brain. Each pedigree is tested by various phenotyping domains including the eye, neurohistology, behavior, aging, ethanol, drug, social behavior, ...

journal_title：Visual neuroscience

authors： Jablonski MM,Wang X,Lu L,Miller DR,Rinchik EM,Williams RW,Goldowitz D

更新日期：2005-09-01 00:00:00

abstract：:A series of psychophysical tests examining early and later aspects of image-motion processing were conducted in a patient with bilateral lesions involving the posterior visual pathways, affecting the lateral parietal-temporal-occipital cortex and the underlying white matter (as shown by magnetic resonance imaging stud...

journal_title：Visual neuroscience

authors： Vaina LM,Lemay M,Bienfang DC,Choi AY,Nakayama K

更新日期：1990-10-01 00:00:00

abstract：:Psychophysical research has documented the existence of three processes in light adaptation: a fast subtractive process, a divisive process that is fast at light onset and slower at light offset, and a very slow subtractive process (Hayhoe et al., 1987). In the neural model developed here, the fast subtractive process...

journal_title：Visual neuroscience

authors： Wilson HR

更新日期：1997-05-01 00:00:00

abstract：:We studied the development of multibank rod retinae by monitoring the size-related addition of new layers of rod inner and outer segments in four species of deep-sea fishes and found two different growth paradigms. In the mesopelagic Chauliodus sloani, new banks of rod inner and outer segments are added as long as the...

journal_title：Visual neuroscience

authors： Fröhlich E,Wagner HJ

更新日期：1998-05-01 00:00:00

abstract：:The visual responsiveness and spatial tuning of frontal eye field (FEF) neurons were determined using a delayed memory saccade task. Neurons with visual responses were then tested for direction selectivity using moving random dot patterns centered in the visual receptive field. The preferred axis of motion showed a si...

journal_title：Visual neuroscience

authors： Xiao Q,Barborica A,Ferrera VP

更新日期：2006-01-01 00:00:00

abstract：:In previous work, we have shown that sudden image displacements well outside the classical receptive field modulate the visual sensitivity of LGN relay cells. Here we report the effect of image displacements on the response versus contrast function. The stimuli consisted of a central spot of optimal size and polarity ...

journal_title：Visual neuroscience

authors： Felisberti F,Derrington AM

更新日期：1999-09-01 00:00:00

abstract：:The discoloration illusion, a new visual phenomenon, is described. This phenomenon originates from the juxtaposition of eight chromatic parallel contours on a white background, creating a luminance gradient and enclosing a light red region. Under these conditions, the inner region appears white: the light red discolor...

journal_title：Visual neuroscience

authors： Pinna B

更新日期：2006-05-01 00:00:00

abstract：:Many diverse retinal disorders are characterized by retinal edema; yet, little experimental attention has been given to understanding the fundamental mechanisms underlying and contributing to these fluid-based disorders. Water transport in and out of cells is achieved by specialized membrane channels, with most rapid ...

journal_title：Visual neuroscience

authors： Goodyear MJ,Crewther SG,Junghans BM

更新日期：2009-03-01 00:00:00

abstract：:Using suction electrodes, photocurrent responses to 100-ms saturating flashes were recorded from isolated retinal rods of the larval-stage tiger salamander (Ambystoma tigrinum). The delay period (Tc) that preceded recovery of the dark current by a criterion amount (3 pA) was analyzed in relation to the flash intensity...

journal_title：Visual neuroscience

authors： Pepperberg DR,Cornwall MC,Kahlert M,Hofmann KP,Jin J,Jones GJ,Ripps H

更新日期：1992-01-01 00:00:00

abstract：:Anterograde transport of cholera toxin subunit B (CTb) was used to study the retinal projections in birds, with an emphasis on retinohypothalamic connections. Pigeons (Columbia livia) were deeply anesthetized and received unilateral intraocular injections of CTb. In addition to known contralateral retinorecipient regi...

journal_title：Visual neuroscience

authors： Shimizu T,Cox K,Karten HJ,Britto LR

更新日期：1994-05-01 00:00:00

abstract：:Recordings were taken from infragranular layers of area 17 of anesthetized monkeys with an array of 30 microelectrodes matching about one hypercolumn. From intracortical spike-train correlations, the novel neuronal property "delay scale position" related to retino-cortical delays, was derived. Relationships were estab...

journal_title：Visual neuroscience

authors： Krüger J

更新日期：1990-08-01 00:00:00

abstract：:The aim of this study was to use non-invasive magneto-encephalographic techniques, together with visual stimulus paradigms that can psychophysically separate the M- and P-pathways, to examine the physiological relations of the pathways at the fovea with (1) the magneto-encephalography components M70 and M100 (in laten...

journal_title：Visual neuroscience

authors： Yang CY,Hsieh JC,Chang Y

更新日期：2008-03-01 00:00:00

abstract：:Surround enhancement (sensitization) is a poorly understood form of network adaptation in which the kinetics of the responses of retinal neurons to test stimuli become faster, and absolute sensitivity of the responses increases with increasing level of steady, surrounding light. Surround enhancement has been observed ...

journal_title：Visual neuroscience

authors： Reifsnider ES,Tranchina D

更新日期：1995-11-01 00:00:00

abstract：:We have studied the steady-state PERG in human subjects in response to red-green plaid patterns modulated either in luminance or in chromaticity or both. By varying the relative luminance of the red and green components, a value could be obtained at which the PERG amplitude was either minimum or locally maximum. This ...

journal_title：Visual neuroscience

authors： Morrone C,Porciatti V,Fiorentini A,Burr DC

更新日期：1994-09-01 00:00:00

abstract：:Visual perception is not instantaneous; the perceptual representation of our environment builds up over time. This can strongly affect our responses to visual stimuli. Here, we study the temporal dynamics of visual processing by analyzing the time course of priming effects induced by the well-known Ebbinghaus illusion...

journal_title：Visual neuroscience

authors： Schmidt F,Weber A,Haberkamp A

更新日期：2016-01-01 00:00:00

abstract：:Two groups of retinal cone bipolar cells (CBCs) in rats were found to express voltage-gated Na+ channels. The axon terminals of the first group stratify in sublamina 2 of the inner plexiform layer (IPL) and partially overlap with the OFF-cholinergic band. This group was identified as type 3 CBCs. The axon terminals of...

journal_title：Visual neuroscience

authors： Cui J,Pan ZH

更新日期：2008-09-01 00:00:00

abstract：:We have studied the influence of chromatic adaptation upon the perceived visual position of a test stimulus using a Vernier alignment task. Maximum and minimum offsets in spatial position are generated when the adapting and test stimuli lie on the same and orthogonal axes in MBDKL color space, respectively. When the t...

journal_title：Visual neuroscience

authors： McKeefry DJ,McGraw PV,Vakrou C,Whitaker D

更新日期：2004-05-01 00:00:00

abstract：:This study has shown that the retinae of Prototherian (egg-laying) mammals possess two neuronal types that are present in non-mammalian retinae, but absent or morphologically different in the retinae of Eutherian (placental) mammals. First, endogenous serotonin-like immunoreactivity has been localized in a population ...

journal_title：Visual neuroscience

authors： Young HM,Vaney DI

更新日期：1990-07-01 00:00:00