Light-induced changes in corneal iridescence in fish.

abstract：:Contrast sensitivity for both vertically and obliquely oriented gratings increased with increases in stimulus area to an asymptotic value. Sensitivity grew more slowly for oblique gratings and reached an asymptotic value at a larger area than for vertical gratings. For equal areas, oblique gratings always yielded poor...

journal_title：Vision research

authors： Tootle JS,Berkley MA

更新日期：1983-01-01 00:00:00

abstract：:One primary function of spatial attention is to exclude external noise [e.g., Psychol. Sci. 11(2) (2000) 139], especially in the region of the target stimulus [J. Vis. 2(4) (2000) 312]. What is not known is the spatial profile of external noise exclusion in the vicinity of the target and how this depends upon attentio...

journal_title：Vision research

authors： Dosher BA,Liu SH,Blair N,Lu ZL

更新日期：2004-06-01 00:00:00

abstract：:Previous studies have presented evidence for the existence of channels tuned to the spatial frequency (SF) of binocular disparity modulation. Bandwidths reported for masking curves were extremely narrow, possibly because of off-frequency viewing, whereby observers can best detect a signal with a channel tuned to an SF...

journal_title：Vision research

authors： Cobo-Lewis AB,Yeh YY

更新日期：1994-03-01 00:00:00

abstract：:In a series of psychophysical experiments, observers compared the apparent contrast of a dichoptic stimulus (contrast edges of orthogonal orientations in the two eyes) and a monocular stimulus ( a pie pattern in one eye and a blank field in the other eye). When the contrast of the dichoptic stimulus was low (2-3%) the...

journal_title：Vision research

authors： Liu L,Schor CM

更新日期：1995-09-01 00:00:00

abstract：:Prior work suggests that internal features contribute more than external features to face processing. Whether this asymmetry is also true of the mental representations of faces is not known. We used face adaptation to determine whether the internal and external features of faces contribute differently to the represent...

journal_title：Vision research

authors： Hills C,Romano K,Davies-Thompson J,Barton JJ

更新日期：2014-07-01 00:00:00

abstract：:We investigated the manner in which the outputs of the three postreceptoral mechanisms (red-green, blue-yellow and luminance) combine to determine contrast threshold. We used a subthreshold summation paradigm to test whether the combination of the postreceptoral mechanism outputs could be described by a probability su...

journal_title：Vision research

authors： Mullen KT,Sankeralli MJ

更新日期：1999-02-01 00:00:00

abstract：:The transient system deficit hypothesis (TSDH) of specific reading disability [Percept. Psychophys. 40 (1986) 440] remains contentious. As part of a study examining multiple measures of transient and sustained system function, heterochromatic flicker matching (HFM) and brightness matching (HBM) were assessed in 30 poo...

journal_title：Vision research

authors： Floyd RA,Dain SJ,Elliott RT

更新日期：2004-01-01 00:00:00

abstract：:A pincushion formed by four arcs on a gray background looks darker when the arcs are black, and lighter when the arcs are white. Yet, a matching-experiment shows that this difference is relative. Whereas the apparently darker pincushion requires a matching luminance that is lower than the background luminance (i.e. as...

journal_title：Vision research

authors： De Weert CM,Spillmann L

更新日期：1995-05-01 00:00:00

abstract：:The Superposition Hypothesis states that the binocular vision of newborn infants blends together the monocular visual responses of the two eyes, even when the visual stimulus evokes binocular rivalry in adults. According to the Superposition Hypothesis, this blending is replaced by binocular rivalry after the emergenc...

journal_title：Vision research

authors： Brown AM,Miracle JA

更新日期：2003-06-01 00:00:00

abstract：:The spectral sensitivity of the extracellularly-recorded photoresponse of isolated rods of the tiger salamander, Ambystoma tigrinum, was compared to the absorptance spectrum. Both measurements were made with the same optical system on the same portion of each cell to avoid errors that could occur when the two kinds of...

journal_title：Vision research

authors： Cornwall MC,MacNichol EF Jr,Fein A

更新日期：1984-01-01 00:00:00

abstract：:In the present study, discrete trial familiarization/novelty techniques were used to study lightness constancy in 4-month-old infants. The test stimuli were real objects (paper smiley faces) of two different reflectances, dark gray (17% reflectance) and light gray (54% reflectance). In Experiment 1, the test stimuli w...

journal_title：Vision research

authors： Chien SH,Bronson-Castain K,Palmer J,Teller DY

更新日期：2006-06-01 00:00:00

abstract：:Absorption of photons by pigments in photoreceptor cells results in photoisomerization of the chromophore, 11-cis-retinal, to all-trans-retinal and activation of opsin. Photolysed chromophore is converted back to the 11-cis-configuration via several enzymatic steps in photoreceptor and retinal pigment epithelial cells...

journal_title：Vision research

authors： Saari JC,Garwin GG,Van Hooser JP,Palczewski K

更新日期：1998-05-01 00:00:00

abstract：:A static or counterphase (target) grating surrounded by drifting (inducer) gratings is perceived to move in the direction opposite that of the inducers. We compared the relative magnitudes of these simultaneous motion contrasts generated by both first-order and second-order stimuli. The first-order stimuli were sinuso...

journal_title：Vision research

authors： Nishida S,Edwards M,Sato T

更新日期：1997-01-01 00:00:00

abstract：:Techniques that involve the use of comb-filtered spectra to study human colour vision have been developed in previous work (Bonnardel, V., Bellemare, H., Mollon, J.D., 1996. Measurements of human sensitivity to comb-filtered spectra, Vision Research 36, 2713-2720; Bonnardel, V., Ruderman D.L., Barlow, H.B., 1997. A fa...

journal_title：Vision research

authors： Bonnardel V,Valero EM

更新日期：2001-03-01 00:00:00

abstract：:Discrimination between a figure and its surround is an important first step of pattern recognition. This discrimination usually relies, as a first step, on the detection of borders between a figure and its surround, for example based on spatial gradients in luminance, colour, or texture. There is evidence that neurone...

journal_title：Vision research

authors： Fahle M,Quenzer T,Braun C,Spang K

更新日期：2003-01-01 00:00:00

abstract：:To investigate the effect of intraocular scatter on stereopsis, we measured stereoacuity with scatter either remaining at the natural eye-induced level or further enhanced by a set of three different scatter filters. Stereo thresholds at different viewing durations were obtained using a psychophysical method of consta...

journal_title：Vision research

authors： Zhao JL,Xiao F,Zhao HX,Dai Y,Zhang YD

更新日期：2018-12-01 00:00:00

abstract：:This study investigated whether low-level attentional processes as indicated by saccade trajectories are modulated by higher-order factors as indicated by participants' cultural background. We hypothesized that if the East Asian participants engage in context-dependent attentional processing to a greater extent than t...

journal_title：Vision research

authors： Petrova K,Wentura D,Fu X

更新日期：2013-05-24 00:00:00

abstract：:Binocular sensory fusion which was previously thought to have a maximum spatial extent at the fovea of 1 deg is at least 600% larger when stimulated by low spatial frequency (coarse) detail. This upper limit for sensory fusion has a constant phase disparity limit of 90 deg which corresponds to the monocular Rayleigh c...

journal_title：Vision research

authors： Schor C,Wood I,Ogawa J

更新日期：1984-01-01 00:00:00

abstract：:In previous work, subjects looked at a target stabilized at the fovea, superimposed on a sinusiodally moving OKN stimulus. The stabilized target (no retinal-slip) suppressed OKN leaving residual eye movements that were often in counterphase with the OKN stimulus motion. In the present study we explored how this type o...

journal_title：Vision research

authors： Wyatt HJ,Pola J,Lustgarten M,Aksionoff E

更新日期：1995-10-01 00:00:00

abstract：:Behavioral measures of spatial summation in 4- and 11-week old human infants were obtained using the forced-choice preferential looking technique. Infants exhibit complete spatial summation over large areas (4 weeks: 8.9 degrees; 11 weeks: 5.5 degrees), much larger than those of adults tested in the same apparatus (2....

journal_title：Vision research

authors： Hamer RD,Schneck ME

更新日期：1984-01-01 00:00:00

abstract：:In this study we describe a measurement method which closely approximates in vivo retinal thickness. Using this method we examined the laminar organisation of vascular and avascular retinae from placental and marsupial mammals. Thickness measurements on retinal wholemounts show that the avascular retinae of the placen...

journal_title：Vision research

authors： Buttery RG,Hinrichsen CF,Weller WL,Haight JR

更新日期：1991-01-01 00:00:00

abstract：:Using the human WERI-Rb1 cell line as a model system, we performed a genome-wide search for retinal target genes of thyroid hormone (TH) via expression microarray analysis followed by quantitative real-time RT-PCR verification. We identified 12 novel retinal targets of TH, including 10 up-regulated genes (OPN1MW, OPN1...

journal_title：Vision research

authors： Liu Y,Fu L,Chen DG,Deeb SS

更新日期：2007-08-01 00:00:00

abstract：:When an observer moves through the world, the motions of images on the retina provide information about the direction of observer motion, or "heading", and about the relative distance to surfaces in the scene. While it is simple to compute these quantities when the observer moves in a straight line, the computation be...

journal_title：Vision research

authors： Royden CS,Picone LJ

更新日期：2007-11-01 00:00:00

abstract：:We study the "color weight" for a number of rather different paradigms. In well researched heterochromatic photometry methods we find that the "weights" determined by settings of naive observers are closely determined by the CIE luminance functional. This is very different for tasks that involve mid- and high-level as...

journal_title：Vision research

authors： Koenderink J,van Doorn A,Gegenfurtner K

更新日期：2018-10-01 00:00:00

abstract：:A rhodopsin P347L transgenic (Tg) rabbit, a model of retinitis pigmentosa, has been generated in our laboratory. The purpose of this study was to determine the properties of focal areas of the retina in this rabbit model during the course of retinal degeneration. To accomplish this, we recorded focal ERGs from wild-ty...

journal_title：Vision research

authors： Ueno S,Koyasu T,Kominami T,Sakai T,Kondo M,Yasuda S,Terasaki H

更新日期：2013-10-18 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：:There is ample psychophysical evidence that flicker is more salient in the peripheral than the central visual field, but the physiological basis of this eccentricity-dependant change is unclear. Here, we compared responsivity to temporal modulation of ganglion cells in central and peripheral primate retina. Above 30 H...

journal_title：Vision research

authors： Solomon SG,Martin PR,White AJ,Rüttiger L,Lee BB

更新日期：2002-12-01 00:00:00

abstract：:Prior studies indicate that postural stability under binocular viewing is not better than under monocular viewing. This was tested at the distances of 145 cm [Fox, C.R. (1990). Some visual influences on human postural equilibrium: binocular versus monocular fixation. Perception and Psychophysics, 47 (5), 409-422] and ...

journal_title：Vision research

authors： Lê TT,Kapoula Z

更新日期：2006-10-01 00:00:00

abstract：:The colors of Benham's Top [pattern induced flicker colors (PIFCs)] were matched with color stimuli provided by a computer aided color mixer. Subjects viewed a series of specifically modified black and white disks and matched the resulting subjective color with a comparison field containing the color generated by addi...

journal_title：Vision research

authors： Schramme J

更新日期：1992-11-01 00:00:00

abstract：:We measured the pupillary light reflex (PLR) in 5 pigmented, Long Evans rats (under urethan sedation) in three conditions: direct stimulation, consensual stimulation, and a control condition designed to measure the effects of stray light. The average constriction (maximal amplitude) produced by a ganzfeld stimulus del...

journal_title：Vision research

authors： Trejo LJ,Rand MN,Cicerone CM

更新日期：1989-01-01 00:00:00