The global processing deficit in amblyopia involves noise segregation.

abstract：:Nearby flanking bars degrade letter identification and resolution, a phenomenon known as contour interaction. However, many previous studies found that the relationship between foveal letter identification and flanker separation is non-monotonic, with an upturn in performance at very small target-to-flanker separation...

journal_title：Vision research

authors： Siderov J,Pluháček F,Bedell HE

更新日期：2020-02-01 00:00:00

abstract：:The visual cycle system in a primitive chordate, ascidian Ciona intestinalis, was studied by whole-mount in situ hybridization and by whole-mount immunohistochemistry. Three visual cycle proteins, Ciona homologue of RGR (Ci-opsin3), CRALBP (Ci-CRALBP), and BCO/RPE65 (Ci-BCO/RPE65) were widely distributed in the brain ...

journal_title：Vision research

authors： Tsuda M,Kusakabe T,Iwamoto H,Horie T,Nakashima Y,Nakagawa M,Okunou K

更新日期：2003-12-01 00:00:00

abstract：:Extra-retinal information about eye velocity is thought to play an important role in compensating the retinal motion experienced during an eye movement. Evidently this compensation process is prone to error, since stimulus properties such as contrast and spatial frequency have marked effect on perceived motion with re...

journal_title：Vision research

authors： Sumnall JH,Freeman TC,Snowden RJ

更新日期：2003-07-01 00:00:00

abstract：:We examined the performance of human observers to identify three-dimensional (3D) shape from motion induced by exploratory head movements. Subjects categorized 3D quadratic surfaces with randomly chosen shape but with a fixed amount of curvature in one of eight shape categories. Human observers had their best performa...

journal_title：Vision research

authors： van Damme WJ,van de Grind WA

更新日期：1993-07-01 00:00:00

abstract：:In human far peripheral vision, drifting stimuli of particular periodicities appear to move in the opposite direction from their true direction of motion. This "reverse motion illusion" is a consequence of spatial undersampling of the retinal image. The illusion occurs for spatial frequencies an order of magnitude low...

journal_title：Vision research

authors： Anderson SJ,Hess RF

更新日期：1990-01-01 00:00:00

abstract：:We show that the initial ocular following responses elicited by motion of a large pattern are modestly attenuated when that pattern is shifted out of the plane of fixation by altering its binocular disparity. If the motion is applied to only restricted regions of the pattern, however, then altering the disparity of th...

journal_title：Vision research

authors： Masson GS,Busettini C,Yang DS,Miles FA

更新日期：2001-01-01 00:00:00

abstract：:Increment thresholds were measured over a range of adapting illuminances using a modified automated static perimeter. The data were fitted to a threshold versus intensity model (logT - logT(0) + log((A + A(0))/A(0))n) and the values logT(0) and logA(0) estimated. The effect of eccentricity and age on logT(0) and logA(...

journal_title：Vision research

authors： Herse P

更新日期：2005-02-01 00:00:00

abstract：:We describe a model and simulations of boundary assignment by cortical neurons, a process that assigns edges to figural image regions, as opposed to the background regions on the other side of the edge. The model is composed of several areas, resembling the hierarchical feedforward-feedback organization of areas in th...

journal_title：Vision research

authors： Jehee JF,Lamme VA,Roelfsema PR

更新日期：2007-04-01 00:00:00

abstract：:Match stimuli presented on one side of a contextual image were adjusted to have the same appearance as test stimuli presented on the other side. Both full color and isochromatic contextual images were used. Contextual image pairs were constructed that had identical S-cone image planes, while their L- and M-cone image ...

journal_title：Vision research

authors： Delahunt PB,Brainard DH

更新日期：2000-01-01 00:00:00

abstract：:Extensive research on local color aftereffects has revealed perceptual consequences of opponent color coding in the retina and the LGN, and of orientation-and/or spatial-frequency-contingent color coding in early cortical visual areas (e.g., V1 and V2). Here, we report a color aftereffect that depends crucially on glo...

journal_title：Vision research

authors： Goolsby BA,Grabowecky M,Suzuki S

更新日期：2005-03-01 00:00:00

abstract：:Patients with retinitis pigmentosa (RP) show delayed inner retinal responses as measured by the cone ERG response to a 30 Hz stimulus. To determine the extent to which this delay results from abnormalities of cone phototransduction, cone ERGs to single flashes were obtained from 21 patients with RP and a model of cone...

journal_title：Vision research

authors： Hood DC,Birch DG

更新日期：1996-06-01 00:00:00

abstract：:The role of eye-muscle potentiation in adaptation to prismatic tilt was evaluated by assessing the presence of cyclotorsion induced by prolonged wearing of tilting prisms. Fundus photographs, containing the retinal image of the test line adjusted to the subjective vertical, were obtained before and after prism viewing...

journal_title：Vision research

authors： Mikaelian HH,Mikaelian DM,Cameron EL

更新日期：1990-01-01 00:00:00

abstract：:Westwood and Goodale (this issue) review the evidence for distinct visual streams for action and perception. They argue that, on balance, both the neuropsychological and psychophysical data support this distinction. They claim that critical results were either statistically inconclusive (because they consisted of nega...

journal_title：Vision research

authors： Schenk T,Franz V,Bruno N

更新日期：2011-04-22 00:00:00

abstract：:We have tested whether defocus imposed on local retinal areas can produce local changes in eye growth, even if accommodation is available to clear part of the imposed defocus. Hemi-field lenses were attached to little leather hoods that were worn by young chickens from day 11-15 post-hatching. The lens segments defocu...

journal_title：Vision research

authors： Diether S,Schaeffel F

更新日期：1997-03-01 00:00:00

abstract：:The selectivities of neurons in primary visual cortex are often considered to be adapted to the statistics of natural images. Accordingly, simple cell-like tuning emerges when unsupervised learning models that seek sparse representations of input probabilities are trained on natural scenes. However, orientation tuning...

journal_title：Vision research

authors： Hsu AS,Dayan P

更新日期：2007-10-01 00:00:00

abstract：:The geometry of the cortex and nucleus of excised human lenses was determined by photography and dissection. Samples of the cortex and nucleus were measured spectrophotometrically to allow determination of light loss through the whole lens and the light loss per unit pathlength. It was concluded that the reduction of ...

journal_title：Vision research

authors： Mellerio J

更新日期：1987-01-01 00:00:00

abstract：:One cannot detect a white disk located at least 15 degrees from fixation in an intersection of gray alleys that define a grid of black squares. A psychophysical examination of the anatomical locus of this "blanking phenomenon" is reported here. Stimuli were presented dichoptically; disk threshold was measured with fix...

journal_title：Vision research

authors： McAnany JJ,Levine MW

更新日期：2005-01-01 00:00:00

abstract：:Contrast threshold for a sinusoidal target in the simultaneous presence of the vertically displaced peripheral gratings was measured as a function of the peripheral contrast and the separation. When the signal and peripheral gratings were in phase, the low-contrast peripheral gratings produced the improvement in signa...

journal_title：Vision research

authors： Takahashi S,Ejima Y

更新日期：1985-01-01 00:00:00

abstract：:Western blot analysis of 100,000 g supernatant of rat retina using a polyclonal anti-Ca2+/ calmodulin-dependent protein kinase IV (CaM-kinase IV) antibody revealed an immunoreactive mass of 35 kDa, termed reticalmin. Lower amount of a isoform of CaM-kinase IV was also expressed in rat retina. Reticalmin did not react ...

journal_title：Vision research

authors： Hirooka K,Tokuda M,Tsumura T,Ahmed BY,Itano T,Matsui H,Konishi R,Hasegawa E,Okuno S,Kitani T,Fujisawa H,Hatase O

更新日期：1997-08-01 00:00:00

abstract：:Patients with central vision loss are often advised by low vision rehabilitation professionals to read bolder print to ameliorate their reading difficulties. Is boldface print really effective in improving reading performance for people with central vision loss? In this study, we evaluated how reading speed depends on...

journal_title：Vision research

authors： Chung STL,Bernard JB

更新日期：2018-12-01 00:00:00

abstract：:Electrophysiological recording demonstrated that visuo-tectal projections are topographically organised after optic nerve regeneration in aged Xenopus laevis. 3H-thymidine autoradiography confirmed previous reports [Taylor, Lack, & Easter, Eur. Journal of Neuroscience 1 (1989) 626-638] that cell division had already c...

journal_title：Vision research

authors： Beaver RS,Dunlop SA,Harman AM,Stirling RV,Easter SS,Roberts JD,Beazley LD

更新日期：2001-06-01 00:00:00

abstract：:The sensitivity of X- and Y-cells in the dorsal lateral geniculate nucleus of the cat to small, temporally modulated displacements of grating stimuli was measured at 0.175, 0.25, 0.50, 1.00, and 2.00 c/deg. For every cell, two threshold measures were determined: first, a contrast threshold with a counterphase grating ...

journal_title：Vision research

authors： Moss CF,Lehmkuhle S

更新日期：1986-01-01 00:00:00

abstract：:Quantitative Southern blotting and PCR/RFLP analysis were used to determine the number and ratio of long-wave-sensitive (L-) and mid-wave-sensitive (M-) opsin genes in 25 colour-normal caucasian males. The average observed ratio was 1:2.8 +/- 1.2 for Southern blot analysis and 1:3.0 +/- 1.7 for PCR/RFLP analysis. Thus...

journal_title：Vision research

authors： Wolf S,Sharpe LT,Knau H,Wissinger B

更新日期：1998-11-01 00:00:00

abstract：:The blowfly visual system is a well-suited model to investigate the functional consequences of adaptation. Similar to cortical motion-sensitive neurons, fly tangential cells are directional selective and adapt during prolonged stimulation. Here we demonstrate in a tangential cell large changes in directionality after ...

journal_title：Vision research

authors： Kalb J,Egelhaaf M,Kurtz R

更新日期：2008-07-01 00:00:00

abstract：:When the method of constant stimuli is used to measure heterochromatic brightness matches, the resulting matches can be strongly biased toward the center of the range of test luminances used. In the present paper, we investigate the source of this centering bias. The stimuli were 2 degrees red squares presented in a g...

journal_title：Vision research

authors： Pereverzeva M,Teller DY

更新日期：2005-11-01 00:00:00

abstract：:What you see depends not only on where you are looking but also on where you will look next. The pre-saccadic attention shift is an automatic enhancement of visual sensitivity at the target of the next saccade. We investigated whether and how perceptual factors independent of the oculomotor plan modulate pre-saccadic ...

journal_title：Vision research

authors： White AL,Rolfs M,Carrasco M

更新日期：2013-06-07 00:00:00

abstract：:It is well known how early visual experience is critical for the development of multisensory processing abilities, and for this reason an early vision impairment could hinder the transfer of different sensory information during the exploration and recognition of the surrounding environment. Recently, we verified that ...

journal_title：Vision research

authors： Purpura G,Febbrini Del Magro E,Caputo R,Cioni G,Tinelli F

更新日期：2021-01-01 00:00:00

abstract：:Four experiments are reported in which saccadic eye movements are examined when the eye moves to targets in peripheral vision which consist of two discrete stimuli. It is found that under a variety of conditions, the saccade amplitude is such that the saccade lands at an intermediate position between the stimuli. This...

journal_title：Vision research

authors： Findlay JM

更新日期：1982-01-01 00:00:00

abstract：:The c-wave of the ERG and the standing potential of the eye both undergo increases in amplitude following intravenous infusions of sodium azide (NaN3), as first shown by Noell [Am. J. Physiol. 170, 217-238 (1952); U.S.A.F. School of Aviation Medicine, Project No. 21-1201-0004 (1953)]. We have studied the mechanism of ...

journal_title：Vision research

authors： Linsenmeier RA,Steinberg RH

更新日期：1987-01-01 00:00:00

abstract：:Nanosecond transient spectroscopic measurements of the BATHO products formed from photolysis of bovine rhodopsin (RHO) and isorhodopsin (ISO) are discussed. BATHO absorption spectra of RHO and ISO differ slightly, but both pigments exhibit wavelength maxima near 560 nm. An additional transient absorption at 440 nm is ...

journal_title：Vision research

authors： Kliger DS,Horwitz JS,Lewis JW,Einterz CM

更新日期：1984-01-01 00:00:00