First-order structure induces the 3-D curvature contrast effect.

abstract：:The mechanisms underlying the parsing of a spatial distribution of velocity vectors into two adjacent (spatially segregated) or overlapping (transparent) motion surfaces were examined using random dot kinematograms. Parsing might occur using either of two principles. Surfaces might be defined on the basis of similarit...

journal_title：Vision research

authors： Smith AT,Curran W

更新日期：2000-01-01 00:00:00

abstract：:Perception of directional motion was studied by displaying two images (F1 and F2) in rapid succession. The two images were identical except for a horizontal displacement of F2 with respect to F1. Observers reported the direction of horizontal motion over a wide range of displacements. The stimuli in Experiment 1 were ...

journal_title：Vision research

authors： Bischof WF,Di Lollo V

更新日期：1990-01-01 00:00:00

abstract：:The development of monocular and binocular grating acuity was measured in 87 infants, 2-52 weeks of age, using the sweep VEP technique. Average monocular and binocular acuity growth functions were nearly identical, with a small (less than 0.2 octaves) binocular acuity superiority occurring only under 6 months. Interoc...

journal_title：Vision research

authors： Hamer RD,Norcia AM,Tyler CW,Hsu-Winges C

更新日期：1989-01-01 00:00:00

abstract：:A smooth surface imaged on the retina produces a smooth flow field. Thus, the visual system may group regions of smoothly varying flow to segment surfaces. We tested this idea by having observers perform a segmentation task on several stimuli that differed in their 3D interpretations but were all matched in the smooth...

journal_title：Vision research

authors： Bravo MJ,Farid H

更新日期：2000-01-01 00:00:00

abstract：:Two mechanisms, one for the detection of fast, and the other for slow movement of a sinusoidal grating are identified, and investigated under central, parafoveal, and peripheral viewing conditions. The fast movement data is considered in terms of the Reichardt model, in which signals from two adjacent inputs are cross...

journal_title：Vision research

authors： Murray I,MacCana F,Kulikowski JJ

更新日期：1983-01-01 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：:the foveal vision of certain patients afflicted with retinitis pigmentosa may be mediated solely by a long wavelength sensitivity (lws) mechanism, because (1) increment threshold data could always be fitted to a single template curve with unity slope, (2) test and field sensitivities differ only by a proportionality c...

journal_title：Vision research

authors： Young RS,Fishman GA

更新日期：1982-01-01 00:00:00

abstract：:Eye position was recorded in different viewing conditions to assess whether the temporal and spatial characteristics of saccadic eye movements in different individuals are idiosyncratic. Our aim was to determine the degree to which oculomotor control is based on endogenous factors. A total of 15 naive subjects viewed ...

journal_title：Vision research

authors： Andrews TJ,Coppola DM

更新日期：1999-08-01 00:00:00

abstract：:Psychophysical studies of interactions between contours defined by different image attributes report that luminance-defined and illusory contours show little if any interaction. Because the contours defined by these attributes may vary in perceptual saliency, we employed the tilt aftereffect (TAE) and a cross-adaptati...

journal_title：Vision research

authors： Berkley MA,Debruyn B,Orban G

更新日期：1994-01-01 00:00:00

abstract：:To gain new insight into the effects of monocular deprivation, we studied the visual cortex of adult cats deprived of vision in one eye. Local field potentials were recorded in response to contrast reversal of square-wave gratings modulated in time either by pseudorandom, m-sequences or periodically. We have found tha...

journal_title：Vision research

authors： Kasamatsu T,Kitano M,Sutter EE,Norcia AM

更新日期：1998-01-01 00:00:00

abstract：:In multiple sclerosis (MS), eye movement disorders are common and can be quantified with infrared video-oculography. A well-known abnormality is internuclear ophthalmoplegia (INO). This study aims to describe saccadic abnormalities beyond INO and investigate their clinical relevance. A validated standardized infrared ...

journal_title：Vision research

authors： Nij Bijvank JA,Petzold A,Coric D,Tan HS,Uitdehaag BMJ,Balk LJ,van Rijn LJ

更新日期：2020-03-01 00:00:00

abstract：:Oculomotor capture can occur automatically in a bottom-up way through the sudden appearance of a new object or in a top-down fashion when a stimulus in the array matches the contents of working memory. However, it is not clear whether or not working memory processing can influence the early stages of oculomotor captur...

journal_title：Vision research

authors： Mannan SK,Kennard C,Potter D,Pan Y,Soto D

更新日期：2010-07-21 00:00:00

abstract：:Pulses of low intensity current, delivered through a cuff electrode chronically implanted around the optic nerve of a blind retinitis pigmentosa patient generate visual sensations. These phosphenes are obtained at lower thresholds for a train of stimuli than for single pulses, which suggests the existence of a spatial...

journal_title：Vision research

authors： Delbeke J,Oozeer M,Veraart C

更新日期：2003-04-01 00:00:00

abstract：:A novel cDNA encoding alpha subunit of the GTP-binding protein, transducin, has been cloned from a marine fish, Sparus aurata. The cDNA contains an open reading frame of 1050 nt (encoding 350 amino acid residues). A high degree of identity was found with known mammalian transducin proteins of cones (Gt2 alpha) or rods...

journal_title：Vision research

authors： Funkenstein B,Jakowlew SB

更新日期：1997-09-01 00:00:00

abstract：:Thresholds for identifying the direction of second-order motion (contrast-modulated dynamic noise) are consistently higher than those for identifying spatial orientation, unlike first-order gratings for which the two thresholds are typically the same. Two explanations of this phenomenon have been proposed: either firs...

journal_title：Vision research

authors： Ledgeway T,Hutchinson CV

更新日期：2005-07-01 00:00:00

abstract：:According to the Oppel-Kundt illusion, a filled space appears larger than an empty one. In the present research we studied how textural characteristics affect the perceived size of two-dimensional patterns. We investigated the perceived extension of square textures by manipulating spatial frequency and filling microel...

journal_title：Vision research

authors： Giora E,Gori S

更新日期：2010-11-23 00:00:00

abstract：:Reading in peripheral vision is slow and requires large print, posing substantial difficulty for patients with central scotomata. The purpose of this study was to evaluate the effect of print size on reading speed at different eccentricities in normal peripheral vision. We hypothesized that reading speeds should remai...

journal_title：Vision research

authors： Chung ST,Mansfield JS,Legge GE

更新日期：1998-10-01 00:00:00

abstract：:The distal photoreceptors in the tiered retina of Papilio exhibit different spectral sensitivities. There are at least two types of short-wavelength sensitive receptors: an ultraviolet receptor with a normal spectral shape and a violet receptor with a very narrow spectral bandwidth. Furthermore, a blue receptor, a dou...

journal_title：Vision research

authors： Arikawa K,Mizuno S,Scholten DG,Kinoshita M,Seki T,Kitamoto J,Stavenga DG

更新日期：1999-01-01 00:00:00

abstract：:We present a remarkably simple illusion that manifests whenever a certain class of flat static patterns are moved across our peripheral visual field. A relative motion is perceived in a direction perpendicular to the true motion. Translatory, looming, and rotational movements of the head or the pattern can all elicit ...

journal_title：Vision research

authors： Pinna B,Brelstaff GJ

更新日期：2000-01-01 00:00:00

abstract：:Human observers show remarkable efficiency in statistical estimation; they are able, for instance, to estimate the mean size of visual objects, even if their number exceeds the capacity limits of focused attention. This ability has been understood as the result of a distinct mode of attention, i.e. distributed attenti...

journal_title：Vision research

authors： Baijal S,Nakatani C,van Leeuwen C,Srinivasan N

更新日期：2013-06-07 00:00:00

abstract：:Spectral sensitivity was measured in freely moving, light adapted goldfish using a behavioral training technique. The curve reveals 3 pronounced maxima at 470, 540 and 660 nm. Compared with the absorption spectra of the cone photopigments with lambda max at 450, 530 and 625 nm, the maxima were much narrower and shifte...

journal_title：Vision research

authors： Neumeyer C

更新日期：1984-01-01 00:00:00

abstract：:The orientation disparity field from two orthographic views of an inclined planar surface patch (covered by straight lines) is analyzed, and a new tool to extract the patch orientation is provided: the function coupling the average orientation of each pair of corresponding surface contours with their orientation dispa...

journal_title：Vision research

authors： Fantoni C

更新日期：2008-11-01 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：:Scotopic background stimulation can elevate photopic increment thresholds by more than 2 log units. This cone-rod interaction is greatest on small backgrounds (less than 1 degree diameter), but is found consistently on large backgrounds as well. Interaction develops and disappears quickly as backgrounds are turned on ...

journal_title：Vision research

authors： Buck SL

更新日期：1985-01-01 00:00:00

abstract：:We measured the points of subjective equality of velocity for dynamic unidirectionally moving random-dot patterns with different amounts of transiency. The transiency was changed by varying the time a dot would move before being randomly replotted within the stimulus. The perceived velocity of patterns moving at inter...

journal_title：Vision research

authors： Treue S,Snowden RJ,Andersen RA

更新日期：1993-03-01 00:00:00

abstract：:The processing of a visual stimulus is known to be influenced by the statistics in recent visual history and by the stimulus' visual surround. Such contextual influences lead to perceptually salient phenomena, such as the tilt aftereffect and the tilt illusion. Despite much research on the influence of an isolated con...

journal_title：Vision research

authors： Dekel R,Sagi D

更新日期：2020-04-01 00:00:00

abstract：:In previous eye movement research on word length effects, spatial width has been confounded with the number of letters. McDonald (2006) unconfounded these factors by rendering all words in sentences in constant spatial width. In the present study, the Arial font with proportional letter spacing was used for varying th...

journal_title：Vision research

authors： Hautala J,Hyönä J,Aro M

更新日期：2011-08-01 00:00:00

abstract：:The purpose of this study was to investigate the effect of dot speed and dot density on the development of global motion perception by comparing the performance of adults and children (5-6years old) on a direction-discrimination task. Motion coherence thresholds were measured at two dot speeds (1 and 4deg/s) and three...

journal_title：Vision research

authors： Narasimhan S,Giaschi D

更新日期：2012-06-01 00:00:00

abstract：:We designed two extensions of Saslow's well-known gap and overlap conditions that require increased voluntary effort because of the progressive elimination of target onsets and fixation point offsets, and obtained repeatable data obeying simple numerical relations. For each of the five stimulus lighting conditions, sa...

journal_title：Vision research

authors： Kalesnykas RP,Hallett PE

更新日期：2002-03-01 00:00:00

abstract：:In a series of experiments we compared orientation discrimination performance for Gabor stimuli in which the stimulus profile was either matched to the receptive field profile of single V1 simple cells ('simple'), or in which the carrier and envelope orientations were different ('tigertails'). In the first Experiment,...

journal_title：Vision research

authors： Morgan MJ,Mason AJ,Baldassi S

更新日期：2000-01-01 00:00:00