Visual discomfort and the spatial distribution of Fourier energy.

abstract：:The striate cortex of macaque monkeys contains an array of patches which stain heavily for the enzyme cytochrome oxidase (CO blobs). Cells inside and outside these blobs are often described as belonging to two distinct populations or streams. In order to better understand the function of the CO blobs, we measured the ...

journal_title：Vision research

authors： Edwards DP,Purpura KP,Kaplan E

更新日期：1995-06-01 00:00:00

abstract：:Recent neurological studies of selective impairments in first and second-order motion processing are of considerable relevance in elucidating the mechanisms of motion perception in normal human observers. We examine the stimuli which have been used to assess first and second-order motion processing capabilities in cli...

journal_title：Vision research

authors： Clifford CW,Vaina LM

更新日期：1999-01-01 00:00:00

abstract：:In searching for the target-afterimage patch among spatially separate alternatives of color-afterimages the target fades from awareness before its competitors (Bachmann, T., & Murd, C. (2010). Covert spatial attention in search for the location of a color-afterimage patch speeds up its decay from awareness: Introducin...

journal_title：Vision research

authors： Murd C,Bachmann T

更新日期：2011-05-25 00:00:00

abstract：:This study examined spatial-frequency effects on a motion-pooling process in which spatially distributed local one-dimensional motion signals are integrated into the perception of global two-dimensional motion. Motion pooling over two- to three-octave frequency differences was found to be nearly impossible when all Ga...

journal_title：Vision research

authors： Maruya K,Amano K,Nishida S

更新日期：2010-06-01 00:00:00

abstract：:We investigated Werner's binocular depth-contrast effect. Subjects viewed stereograms consisting of a test pattern and an inducing pattern. The half-images of the inducing pattern were either horizontally scaled or sheared relative to each other. Subjects judged the (induced) perceived slant of the test pattern. We we...

journal_title：Vision research

authors： van Ee R,Erkelens CJ

更新日期：1996-08-01 00:00:00

abstract：:Perceived contrast, contrast detection thresholds and contrast discrimination thresholds were measured in the presence and absence of surrounding patterns of a similar spatio-temporal makeup. In the foveal retina we found that the perceived contrast of the central pattern was reduced by the presence of the contrast su...

journal_title：Vision research

authors： Snowden RJ,Hammett ST

更新日期：1998-06-01 00:00:00

abstract：:One of the most fundamental functions of the visual system is to code the positions of objects. Most studies, especially those using fMRI, widely assume that the location of the peak retinotopic activity generated in the visual cortex by an object is the position assigned to that object-this is a simplified version of...

journal_title：Vision research

authors： Whitney D,Bressler DW

更新日期：2007-01-01 00:00:00

abstract：:A technique of multi-input systems analysis is used to explore the field topography of ERG responses to local luminance modulation. Variations in amplitude and wave form are studied within the central 23 degrees. Outside the fovea, the amplitude appears to follow a simple power law rx as a function of eccentricity r w...

journal_title：Vision research

authors： Sutter EE,Tran D

更新日期：1992-03-01 00:00:00

abstract：:Recently, psychophysical studies have shown that humans with amblyopia do have binocular function that is not normally revealed due to dominant suppressive interactions under normal viewing conditions. Here we use magnetoencephalography (MEG) combined with dichoptic visual stimulation to investigate the underlying bin...

journal_title：Vision research

authors： Chadnova E,Reynaud A,Clavagnier S,Hess RF

更新日期：2017-11-01 00:00:00

abstract：:Diabetic retinopathy (DR) is the progressive degeneration of retinal blood vessels and neurons. Inflammation is known to play an important role in the pathogenesis of DR. During diabetes, metabolic disorder leads to the release of damage-associated molecular patterns (DAMPs) both in the retina and elsewhere in the bod...

journal_title：Vision research

authors： Xu H,Chen M

更新日期：2017-10-01 00:00:00

abstract：:Usually we assume that the central nervous system preserves temporal sequences. Here we show that moving objects--in the context of behaviour often dangerous ones--are seen with a shorter latency than stationary (flashed) objects. In addition moving objects are deblurred. Two mechanisms contribute to this functional s...

journal_title：Vision research

authors： Kirschfeld K,Kammer T

更新日期：1999-11-01 00:00:00

abstract：:Which coordinate system do we use to track moving objects? In a previous study using smooth pursuit eye movements, we argued that targets are tracked in both retinal (retinotopic) and scene-centered (allocentric) coordinates (Howe, Pinto, & Horowitz, 2010). However, multiple object tracking typically also elicits sacc...

journal_title：Vision research

authors： Howe PD,Drew T,Pinto Y,Horowitz TS

更新日期：2011-03-02 00:00:00

abstract：:A previous study (Vision Research 51 (2011) 1192-1205) found evidence for semantic guidance of visual attention during the inspection of real-world scenes, i.e., an influence of semantic relationships among scene objects on overt shifts of attention. In particular, the results revealed an observer bias toward gaze tra...

journal_title：Vision research

authors： Wu CC,Wang HC,Pomplun M

更新日期：2014-12-01 00:00:00

abstract：:A large number of studies, using a wide variety of experimental techniques, have investigated the "higher-order" color mechanisms proposed by Krauskopf and colleagues in 1986. Results reviewed here come from studies of chromatic discrimination at threshold, habituation, classification images, spatial alignment and ori...

journal_title：Vision research

authors： Eskew RT Jr

更新日期：2009-11-01 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：:To examine how rod and cone function are differentially affected during retinal degeneration, and after subretinal cell grafting, we obtained light- and dark-adaptation curves by recording threshold multiunit responses from the superior colliculus of anesthetized rats. Unoperated RCS dystrophic and non-dystrophic rats...

journal_title：Vision research

authors： Girman SV,Wang S,Lund RD

更新日期：2005-02-01 00:00:00

abstract：:Observers viewed 200 msec presentations of gratings containing first (0.5 c/deg) and third (1.5 c/deg) harmonic components. The phase of the third harmonic and the absolute position of the grating on the screen varied randomly from trial to trial. Classification of the phase relation (0, 90, 180 or 270 deg was 99% per...

journal_title：Vision research

authors： Georgeson MA,Turner RS

更新日期：1984-01-01 00:00:00

abstract：:Stiles' pi 1 and pi 3 mechanisms are thought to reflect adaptation events at two sites in a single pathway, the first site controlled by the short-wavelength cones alone, the second site controlled by opposing signals from these cones vs the other cone classes. We examined this pathway's temporal integration under con...

journal_title：Vision research

authors： Friedman LJ,Yim MH,Pugh EN Jr

更新日期：1984-01-01 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：:We present a method for recording eye-head movements with the magnetic search coil technique in a small external magnetic field. Since magnetic fields are typically non-linear, except in a relative small region in the center small field frames have not been used for head-unrestrained experiments in oculomotor studies....

journal_title：Vision research

authors： Thomassen JS,Benedetto GD,Hess BJ

更新日期：2010-06-18 00:00:00

abstract：:The present study examines the landing-site distributions of the eyes during natural reading of Japanese script: a script that mixes three different writing systems (Kanji, Hiragana, and Katakana) and that misses regular spacing between words. The results show a clear preference of the eyes to land at the beginning ra...

journal_title：Vision research

authors： Kajii N,Nazir TA,Osaka N

更新日期：2001-09-01 00:00:00

abstract：:The apparent motion of a discretely displaced complex waveform with a periodic contrast modulation or "beat" of frequency f and sinusoidal components of frequencies 3f and 4f was examined at various interstimulus intervals (ISIs). At short ISIs perception of motion of both the beat and an aliased component of the wave...

journal_title：Vision research

authors： Hammett ST,Ledgeway T,Smith AT

更新日期：1993-05-01 00:00:00

abstract：:Velocity and acceleration characteristics provide valuable information about dynamic control of accommodation. We investigated velocity and acceleration of disaccommodation (near-far focusing) from three starting positions. Peak velocity and peak acceleration of disaccommodation increased with the proximity of startin...

journal_title：Vision research

authors： Bharadwaj SR,Schor CM

更新日期：2006-03-01 00:00:00

abstract：:To successfully navigate throughout the world, observers must rapidly recover depth information. One depth cue that is especially important for a moving observer is motion parallax. To perceive unambiguous depth from motion parallax, the visual system must integrate information from two different proximal signals, ret...

journal_title：Vision research

authors： Holmin J,Nawrot M

更新日期：2017-11-01 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：:Shape primitives have long been proposed as components for object models in the visual system, and account for a considerable body of behavioral findings. While a large amount of effort has been devoted to the study of detection of these parts in the scenes, no research has been undertaken simulating the acquisition o...

journal_title：Vision research

authors： Shams L,von der Malsburg C

更新日期：2002-08-01 00:00:00

abstract：:Feature-directed attention has been recently studied in various psychophysical, electrophysiological, and imaging studies. Convincing evidence has been obtained for its global effectiveness, but there is a debate about the processing fate of non-attended target features. A number of studies demonstrated feature-direct...

journal_title：Vision research

authors： Wegener D,Ehn F,Aurich MK,Galashan FO,Kreiter AK

更新日期：2008-12-01 00:00:00

abstract：:The perceived and remembered position of stationary target objects is subject to a large number of distortions. Objects are localized toward the fovea, and when an additional object (distractor) is presented, a tendency to average target and distractor position was observed. These distortions in visual short-term memo...

journal_title：Vision research

authors： Kerzel D

更新日期：2002-01-01 00:00:00

abstract：:Perceptual learning is often interpreted as learning of fine stimulus templates. However, we have proposed that perceptual learning is more than template learning, in that more abstract statistical rules may have been learned, so that learning can transfer to stimuli at different precisions. Here we provide new eviden...

journal_title：Vision research

authors： Xie XY,Yu C

更新日期：2019-03-01 00:00:00

abstract：:The induced size effect is an apparent rotation about a vertical axis that results from binocularly viewing a target in which one half-image is vertically magnified. A previous paper (Arditi et al., 1981, Vision Res. 21, 755-764) described a theory of this effect in terms of horizontal disparities that exist between v...

journal_title：Vision research

authors： Arditi A

更新日期：1982-01-01 00:00:00