The distribution of photoreceptors, dopaminergic amacrine cells and ganglion cells in the retina of the North American opossum (Didelphis virginiana).

abstract：:Some aspects of attentional processing are known to decline with normal aging. To understand how age affects the attentional control of perceptual stability, we investigated age-related changes in voluntarily controlled perceptual rivalry. Durations of the dominant percept, produced by an ambiguous Rubin vase-faces fi...

journal_title：Vision research

authors： Aydin S,Strang NC,Manahilov V

更新日期：2013-01-25 00:00:00

abstract：:Three normal observers made visual matches from 0.03 to 100 td on a 10 degree central field at 445, 560 and 630 nm, using two different methods: heterochromatic flicker photometry and direct comparison brightness matching. In a relative sensitivity vs illuminance plot, the brightness matches underwent smooth changes, ...

journal_title：Vision research

authors： Vienot F,Chiron A

更新日期：1992-03-01 00:00:00

abstract：:After viewing directional motion, one is likely to perceive a subsequently presented directionally ambiguous motion as being in the same direction as the prior motion. The perceptual bias towards the most recent percept gradually develops as the interval between the prior stimulus and a subsequent test becomes longer....

journal_title：Vision research

authors： Kanai R,Knapen TH,van Ee R,Verstraten FA

更新日期：2007-09-01 00:00:00

abstract：:Performance for a variety of visual tasks improves with practice. The purpose of this study was to determine the nature of the processes underlying perceptual learning of identifying letters in peripheral vision. To do so, we tracked changes in contrast thresholds for identifying single letters presented at 10 degrees...

journal_title：Vision research

authors： Chung ST,Levi DM,Tjan BS

更新日期：2005-05-01 00:00:00

abstract：:The flash-lag effect (FLE) is defined as an error in localization that consists of perceiving a flashed object to lag behind a moving one when both are presented in physical alignment. Previous studies have addressed the question if it is the predictability of the flash, or the moving object, that modulates the amount...

journal_title：Vision research

authors： López-Moliner J,Linares D

更新日期：2006-06-01 00:00:00

abstract：:This study examined the manner in which the On and Off systems originating in the retina make their connections with the lateral geniculate nucleus (LGN) of the rhesus monkey. 2-amino-4-phosphonobutyric acid (APB) was either infused or injected into the vitreous chamber of the eye to block the On channel while the res...

journal_title：Vision research

authors： Schiller PH

更新日期：1984-01-01 00:00:00

abstract：:In Experiment 1 we investigated the independent and combined effects of horizontal OKN of stationary edges and occlusion of the central retina. For a display 60 degrees wide moving at 30 degrees/sec a symmetrically placed pair of vertical nonoccluding bars suppressed OKN when near the center of the display but had no ...

journal_title：Vision research

authors： Murasugi CM,Howard IP,Ohmi M

更新日期：1986-01-01 00:00:00

abstract：:A widespread view is that most texture segregation can be accounted for by differences in the spatial frequency content of texture regions. Evidence from both psychophysical and physiological studies indicate, however, that beyond these early filtering stages, there are stages of 3-D boundary segmentation and surface ...

journal_title：Vision research

authors： Grossberg S,Pessoa L

更新日期：1998-09-01 00:00:00

abstract：:The association between perceived visual direction and retinal location has been considered to be specified at birth and unmodifiable. We found that small changes occurred in the visual direction associated with a peripheral retinal location when the amplitudes of saccadic eye movements to a target imaged at that loca...

journal_title：Vision research

authors： Moidell BG,Bedell HE

更新日期：1988-01-01 00:00:00

abstract：:In most visual search experiments in the laboratory, objects are presented on an isolated, blank background. In most real world search tasks, however, the background is continuous and can be complex. In six experiments, we examine the ability of the visual system to separate search items from a background. The results...

journal_title：Vision research

authors： Wolfe JM,Oliva A,Horowitz TS,Butcher SJ,Bompas A

更新日期：2002-12-01 00:00:00

abstract：:Recent evidence suggests a double dissociation of size and spacing limit on letter recognition-it is limited by size in the fovea and critical spacing in the normal periphery. Here, we evaluated whether size or spacing limits letter recognition in people with age-related macular degeneration (AMD) who must use their p...

journal_title：Vision research

authors： Chung ST

更新日期：2014-08-01 00:00:00

abstract：:Three experiments of visual search for a cube (for a square pillar in Experiment 3) with an odd conjunction of orientation of faces and color (a cube with a red top face and a green right face among cubes with a green top face and a red right face, for example) showed that the search is made more efficient by arrangin...

journal_title：Vision research

authors： Morita H,Kumada T

更新日期：2003-08-01 00:00:00

abstract：:Reentrant processing has been proposed as a critical mechanism in visual perception of an object's features. In order to test whether reentry is critical for visual awareness of object presence, the success of reentry was manipulated with object substitution masking (OSM) while participants performed a forced-choice t...

journal_title：Vision research

authors： Koivisto M

更新日期：2012-06-15 00:00:00

abstract：:Blakeslee and McCourt ((1997) Vision Research, 37, 2849-2869) demonstrated that a multiscale array of two-dimensional difference-of-Gaussian (DOG) filters provided a simple but powerful model for explaining a number of seemingly complex features of grating induction (GI), while simultaneously encompassing salient feat...

journal_title：Vision research

authors： Blakeslee B,McCourt ME

更新日期：1999-10-01 00:00:00

abstract：:In this work, optical retardation (OR) was investigated in corneal stroma collagen fibers from nonobese diabetic (NOD) and healthy (BALB/c) mice. Linear dichroism (LD) was investigated in corneas stained with Ponceau SS and Toluidine Blue, using microspectrophotometer. NOD corneas showed higher OR values than the cont...

journal_title：Vision research

authors： Aldrovani M,Guaraldo AM,Vidal BC

更新日期：2007-12-01 00:00:00

abstract：:To investigate the sources of spatial error in memory-guided saccades (MGS), we have trained monkeys on two different tasks: a MGS task and a delayed spatial match-to-sample (MTS) task. We first tested the effect of introducing a post-saccadic visual feedback on the accuracy of MGS. We found that visual feedback had a...

journal_title：Vision research

authors： Opris I,Barborica A,Ferrera VP

更新日期：2003-02-01 00:00:00

abstract：:The mechanisms responsible for generating illusory contours are thought to fulfil an adaptive role in providing estimates of missing contour fragments generated by partial camouflage. One striking apparent counter-example to this view was described in Current Biology 21 (2011) 492-496, which showed that illusory conto...

journal_title：Vision research

authors： Anderson BL,Tan K,Marlow PJ

更新日期：2019-05-01 00:00:00

abstract：:Subjects indicated the tilt of dotted planes rotating in depth, in monocular viewing, under perspective projection. The responses depended on the FOV (field of view) and on the angle W between the tilt and frontal translation (orthogonal to the rotation axis). Response accuracy increased with the FOV, and decreased wi...

journal_title：Vision research

authors： Zhong H,Cornilleau-Pérès V,Cheong LF,Yeow GM,Droulez D

更新日期：2006-10-01 00:00:00

abstract：:In contrast to the classical findings of lightness constancy, recent psychophysical studies show the strong dependency of the perceived reflectance of a surface on the structure of the natural illumination. The present study examined this inconstancy for systematic variations in the light field and an image-based expl...

journal_title：Vision research

authors： Motoyoshi I,Matoba H

更新日期：2012-01-15 00:00:00

abstract：:Ring-billed gulls (Larus delawarensis) and gray gulls (Larus modestus) are two species active both by day and night. We have investigated the retinal adaptations that allow the diurnal and nocturnal behaviours of these two species. Electroretinograms and histological analyses show that both species have a duplex retin...

journal_title：Vision research

authors： Emond MP,McNeil R,Cabana T,Guerra CG,Lachapelle P

更新日期：2006-09-01 00:00:00

abstract：:In masked priming, a briefly presented prime can facilitate or inhibit responses to a subsequent target. In most instances, targets with an associated response that is congruent with the prime direction speed up reaction times to the target (a positive compatibility effect; PCE). However, under certain circumstances, ...

journal_title：Vision research

authors： Misirlisoy E,Hermens F,Stavrou M,Pennells J,Walker R

更新日期：2014-03-01 00:00:00

abstract：:Using retrograde HRP labeling from the optic nerve (ON) or optic tectum (OT), we have visualized large ganglion cells (LGCs) in wholemounted retinas of the teleost Pholidapus dybowskii and studied their morphology and spatial properties. In all, three LGC types were distinguished. In a previous paper, detailed data we...

journal_title：Vision research

authors： Pushchin II,Podugolnikova TA,Kondrashev SL

更新日期：2007-11-01 00:00:00

abstract：:Landing flights of pigeons were video recorded or filmed, and frame-by-frame measurements were made of the angle of the head relative to the horizontal, and of the position of the perch in the visual field. The angle of the head increases above that seen in free flight, to a value which is correlated with the trajecto...

journal_title：Vision research

authors： Green PR,Davies MN,Thorpe PH

更新日期：1992-12-01 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：:We used a tracking method to measure errors in estimating absolute time-to-collision caused by adapting to an expanding target. After adaptation, the estimated time-to-collision was longer than in the baseline condition. This was the case whether estimates were based on binocular information alone or monocular informa...

journal_title：Vision research

authors： Gray R,Regan D

更新日期：1999-10-01 00:00:00

abstract：:Extensive research suggests that the visual system computes the direction of motion of a two-dimensional pattern from the motion of its oriented spatial frequency components. However, there is some evidence to suggest that the local features in a pattern are also important. In order to demonstrate that the local featu...

journal_title：Vision research

authors： Delicato LS,Serrano-Pedraza I,Suero M,Derrington AM

更新日期：2012-06-01 00:00:00

abstract：:In the classic double-step paradigm, subjects are required to make a saccade to a visual target that is briefly presented at one location and then shifted to a new location before the subject has responded. The saccades in this situation are "reflexive" in that they are made in response to the appearance of the target...

journal_title：Vision research

authors： Sheliga BM,Brown VJ,Miles FA

更新日期：2002-07-01 00:00:00

abstract：:Achromatic losses in glaucoma would be expected to be greater than, or equal to, red-green chromatic losses if the following assumptions are made: (1) the function of the remaining axons is either unchanged or non-selectively reduced; (2) red-green chromatic information is signaled by the midget ganglion cell system; ...

journal_title：Vision research

authors： Alvarez SL,Pierce GE,Vingrys AJ,Benes SC,Weber PA,King-Smith PE

更新日期：1997-08-01 00:00:00

abstract：:Duration of visible persistence is known to be inversely related to the duration of the inducing stimulus, within a critical interval estimated at between 100 and 150 msec. Stimuli longer than the critical interval yield little or no persistence. Six experiments investigated whether a brief period of intensification a...

journal_title：Vision research

authors： Di Lollo V,Bourassa CM

更新日期：1983-01-01 00:00:00

abstract：:Even though there are many more cycles of the "optimal" grating extending across the receptive fields of cells in V3A than of cells in V1 and V2, the spatial frequency bandwidths in V3A are no narrower than in V1 or V2. Thus, the inputs to V3A cells are not combined in a phase coherent manner across the entire recepti...

journal_title：Vision research

authors： Gaska JP,Jacobson LD,Pollen DA

更新日期：1987-01-01 00:00:00