Individual differences in contrast sensitivity functions: the lowest spatial frequency channels.

abstract：:A number of researchers have suggested that in order to understand the response properties of cells in the visual pathway, we must consider the statistical structure of the natural environment. In this paper, we focus on one aspect of that structure, namely, the correlational structure which is described by the amplit...

journal_title：Vision research

authors： Field DJ,Brady N

更新日期：1997-12-01 00:00:00

abstract：:During scene perception our eyes generate complex sequences of fixations. Predictors of fixation locations are bottom-up factors such as luminance contrast, top-down factors like viewing instruction, and systematic biases, e.g., the tendency to place fixations near the center of an image. However, comparatively little...

journal_title：Vision research

authors： Rothkegel LO,Trukenbrod HA,Schütt HH,Wichmann FA,Engbert R

更新日期：2016-12-01 00:00:00

abstract：:Previous studies have indicated that peripheral resolution for achromatic gratings is sampling limited and directly related to the density of the underlying midget ganglion cell population. Previous studies by the authors have shown that peripheral resolution for blue-cone isolating gratings is also sampling limited, ...

journal_title：Vision research

authors： Zlatkova MB,Coulter E,Anderson RS

更新日期：2003-01-01 00:00:00

abstract：:The retinae of two species of teleosts, the rippled blenny Istiblennius edentulus and the blue tusk fish Choerodon albigena are examined in wholemount. The retinal topography of Nissl-stained cells within the ganglion cell layer in each species reveals a temporal (4.32 x 10(4) cells per mm2) and a nasal (3.83 x 10(4) ...

journal_title：Vision research

authors： Collin SP

更新日期：1989-01-01 00:00:00

abstract：:It is known that SPARC gates VEGF-A signal transduction towards KDR, the primary angiogenic VEGF receptor. We sought to determine whether inhibition of SPARC activity using anti-SPARC peptide could inhibit laser-induced CNV by promoting binding of VEGF-A to FLT-1. We created anti-SPARC l-peptide and retro-inverso anti...

journal_title：Vision research

authors： Uehara H,Luo L,Simonis J,Singh N,Taylor EW,Ambati BK

更新日期：2010-03-31 00:00:00

abstract：:A novel type of dynamic random-dot stereogram (DRS) was used to study vergence movements and depth detection in response to temporal modulations of interocular correlation. Each DRS consisted of the repeated presentation of a pair of correlated images alternated by the presentation of a pair of uncorrelated images. Th...

journal_title：Vision research

authors： Erkelens CJ

更新日期：2001-01-01 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：:Is acetylcholinesterase (AChE) a reliable marker for cholinergic activity in the cat and rat retinas? To evaluate this question, radial sections, labeled for AChE, have been compared to sections labeled for choline acetyltransferase (ChAT). Within the inner plexiform layer (IPL) of each species, two lightly-stained AC...

journal_title：Vision research

authors： Criswell MH,Brandon C

更新日期：1993-09-01 00:00:00

abstract：:A wide range of rest/stimulus cycle durations (40-360 sec) is reported to have been used by various groups for MRI neuroactivation studies of the visual cortex. In this paper we demonstrate a clear habituation-like response for longer cycle durations which results in a halving of apparent activation between cycle dura...

journal_title：Vision research

authors： Condon B,McFadzean R,Hadley DM,Bradnam MS,Shahani U

更新日期：1997-05-01 00:00:00

abstract：:Some studies have reported deficits in amblyopia for global form and motion integration, whereas other studies have shown global integration of form and motion information to be normal in amblyopia. Here, we attempt to resolve this discrepancy by showing that amblyopes only exhibit selective performance deficits on gl...

journal_title：Vision research

authors： Mansouri B,Hess RF

更新日期：2006-11-01 00:00:00

abstract：:First a model is presented that accurately summarizes the dynamic properties of cat horizontal (H-) cells under photopic conditions as measured in our previous work. The model predicts that asymmetries in response to dark as compared to light flashes are flash-duration dependent. This somewhat surprising prediction is...

journal_title：Vision research

authors： van de Grind WA,Lankheet MJ,van Wezel RJ,Rowe MH,Hulleman J

更新日期：1996-12-01 00:00:00

abstract：:Spatiotemporal boundary formation (SBF) refers to perception of continuous contours, shape, and global motion from sequential transformations of widely separated surface elements. How such minimal information in SBF can produce whole forms and the nature of the computational processes involved remain mysterious. Forma...

journal_title：Vision research

authors： Erlikhman G,Kellman PJ

更新日期：2016-09-01 00:00:00

abstract：:This paper reports an improved paradigm to measure visible persistence. The stimulus is a pair of lines stroboscopically displayed in successive positions moving in opposite directions. The subjects' judgement of simultaneous appearance of all the presented lines is used to estimate visible persistence. This paradigm ...

journal_title：Vision research

authors： Farrell JE,Pavel M,Sperling G

更新日期：1990-01-01 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：:We tested the monocular visual field of 16 kittens aged 13-56 days, by observing their unreinforced visual orienting. At 13-14 days the kittens oriented toward stimuli out of 45 degrees in the nasal field. Until 7-8 weeks, performance was significantly poorer in the nasal field than in the temporal field. This delayed...

journal_title：Vision research

authors： Sireteanu R,Maurer D

更新日期：1982-01-01 00:00:00

abstract：:The red, green, yellow, and blue curve portions of chromatic valence functions (CVFs) were measured by an iso-cancellation technique using three or four different chromatic standards (cancellation stimuli of fixed intensity and chromaticity) for each of the four curve portions. Curve shapes of the red, green, and yell...

journal_title：Vision research

authors： Ayama M,Ikeda M

更新日期：1989-01-01 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：:The study of motion perception through classical psychophysical methods has suggested that independent spatiotemporal filters acting over specific locations in retinal images carry out early motion processing. On the other hand, individual differences approaches have been able to identify a structure of spatiotemporal...

journal_title：Vision research

authors： Luna R,Serrano-Pedraza I

更新日期：2020-10-01 00:00:00

abstract：:Are surfaces' colours judged from weighted averages of the light that they reflect to the eyes and the colour contrast at their borders? To find out we asked subjects to set the colour and luminance of test disks to match reference disks, on various backgrounds, and analysed the variability in their settings. Most of ...

journal_title：Vision research

authors： Brenner E,Granzier JJ,Smeets JB

更新日期：2007-01-01 00:00:00

abstract：:To describe small scotomas in visual field examinations several statistical models are proposed and applied to the evaluation of angioscotoma in 13 ophthalmologically normal subjects. A special perimetric grid is used where thresholds can be estimated along a line of narrow-spaced test points which crosses the predict...

journal_title：Vision research

authors： Benda N,Dietrich T,Schiefer U

更新日期：1999-05-01 00:00:00

abstract：:The inheritance of Rayleigh match midpoints and photometric matches (551-667 nm) was studied in observers with normal color vision. An analysis was performed to evaluate whether the measured interobserver variations in these two traits were consistent with single gene allelic variation, polygenic variation, or environ...

journal_title：Vision research

authors： Lutze M,Cox NJ,Smith VC,Pokorny J

更新日期：1990-01-01 00:00:00

abstract：:Small disparity stimuli applied to large random-dot patterns elicit machine-like vergence eye movements at short latency. We have examined the sensitivity of these eye movements to simulated orthogonal tropias in three normal subjects by recording (1) the effects of vertical disparities on the initial horizontal verge...

journal_title：Vision research

authors： Yang DS,FitzGibbon EJ,Miles FA

更新日期：2003-02-01 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：:Amblyopia is a visual disorder caused by poorly coordinated binocular input during development. Little is known about the impact of amblyopia on the white matter within the visual system. We studied the properties of six major visual white-matter pathways in a group of adults with amblyopia (n=10) and matched controls...

journal_title：Vision research

authors： Allen B,Spiegel DP,Thompson B,Pestilli F,Rokers B

更新日期：2015-09-01 00:00:00

abstract：:A self-organizing ARTEX model is developed to categorize and classify textured image regions. ARTEX specializes the FACADE model of how the visual cortex sees, and the ART model of how temporal and prefrontal cortices interact with the hippocampal system to learn visual recognition categories and their names. FACADE p...

journal_title：Vision research

authors： Grossberg S,Williamson JR

更新日期：1999-04-01 00:00:00

abstract：:We have used DOG stimuli to selectively stimulate size tuned channels within the visual system in order to investigate the relationship between stereo and vernier acuity. We measured these acuities as a function of spatial frequency, retinal eccentricity and distance from the fixation point in depth. Both hyperacuitie...

journal_title：Vision research

authors： Schor CM,Badcock DR

更新日期：1985-01-01 00:00:00

abstract：:Previous psychophysical studies have revealed that shape similarity can affect apparent motion correspondence. Such results however, do not specify the level of representation, at which shape similarity is defined. We sought to understand this question by using a 2 x 2 competitive apparent motion paradigm. We manipula...

journal_title：Vision research

authors： He ZJ,Nakayama K

更新日期：1994-08-01 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：:The binocular fusion of two center-surround configurations, where one center is brighter, the other darker than the common surround, leads to a strong impression of luster in the central patch. Without reversed contrast polarities of the center patches, this impression is much weaker or even absent. However, we observ...

journal_title：Vision research

authors： Wendt G,Faul F

更新日期：2020-11-01 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