Attention enhances contrast appearance via increased input baseline of neural responses.

abstract：:We used biased random-dot dynamic test stimuli to measure the strength of the motion aftereffect (MAE) to evaluate the usefulness of this technique as a measure of motion adaptation strength. The stimuli consisted of noise dots whose individual directions were random and of signal dots moving in a unique direction. Al...

journal_title：Journal of vision

authors： Castet E,Keeble DR,Verstraten FA

更新日期：2002-01-01 00:00:00

abstract：:The experience of our visual surroundings appears continuous, contradicting the erratic nature of visual processing due to saccades. A possible way the visual system can construct a continuous experience is by integrating presaccadic and postsaccadic visual input. However, saccades rarely land exactly at the intended ...

journal_title：Journal of vision

authors： Schut MJ,Van der Stoep N,Fabius JH,Van der Stigchel S

更新日期：2018-07-02 00:00:00

abstract：:A horizontally moving grating viewed within a diamond-shaped aperture can be made to appear to move obliquely by introducing appropriate depth-ordering cues (R. O. Duncan, T. D. Albright, & G. R. Stoner, 2000). It is commonly assumed that the depth cues in such displays determine which line terminators are seen as int...

journal_title：Journal of vision

authors： van der Smagt MJ,Stoner GR

更新日期：2008-02-20 00:00:00

abstract：:In the barber-pole illusion (BPI), a diagonally moving grating is perceived as moving vertically because of the shape of the vertically oriented window through which it is viewed-a strong shape-motion interaction. We introduce a novel stimulus-the moving barber pole-in which a diagonal, drifting sinusoidal carrier is ...

journal_title：Journal of vision

authors： Sun P,Chubb C,Sperling G

更新日期：2014-05-01 00:00:00

abstract：:The effects of signal and noise on contrast discrimination are difficult to separate because of a singularity in the signal-detection-theory model of two-alternative forced-choice contrast discrimination (Katkov, Tsodyks, & Sagi, 2006). In this article, we show that it is possible to eliminate the singularity by combi...

journal_title：Journal of vision

authors： Ding J,Levi DM

更新日期：2016-01-01 00:00:00

abstract：:This study investigates the impact of language on color perception. By categorical facilitation, we refer to an aspect of categorical perception, in which the linguistic distinction between categories affects color discrimination beyond the low-level, sensory sensitivity to color differences. According to this idea, d...

journal_title：Journal of vision

authors： Witzel C,Gegenfurtner KR

更新日期：2015-01-01 00:00:00

abstract：:Humans frequently estimate the size of objects to grasp them. In fact, when performing an action, our perception is focused towards the visual properties of the object that enable us to successfully execute the action. However, the motor system is also able to influence perception, but only a few studies have reported...

journal_title：Journal of vision

authors： Bosco A,Daniele F,Fattori P

更新日期：2017-10-01 00:00:00

abstract：:Measurements of area summation for luminance-modulated stimuli are typically confounded by variations in sensitivity across the retina. Recently we conducted a detailed analysis of sensitivity across the visual field (Baldwin, Meese, & Baker, 2012) and found it to be well described by a bilinear "witch's hat" function...

journal_title：Journal of vision

authors： Baldwin AS,Meese TS

更新日期：2015-01-01 00:00:00

abstract：:Crowding increases with eccentricity and is most readily observed in the periphery. During natural, active vision, however, central vision plays an important role. Measures of critical distance to estimate crowding are difficult in central vision, as these distances are small. Any overlap of flankers with the target m...

journal_title：Journal of vision

authors： Ghahghaei S,Walker L

更新日期：2016-09-01 00:00:00

abstract：:The fovea is the retinal location responsible for our most acute vision. There are several methods used to localize the fovea, but the fovea is not always easily identifiable. Landmarks used to determine the foveal location are variable in normal subjects and localization becomes even more difficult in instances of re...

journal_title：Journal of vision

authors： VanNasdale DA,Elsner AE,Weber A,Miura M,Haggerty BP

更新日期：2009-03-25 00:00:00

abstract：:We previously showed that different types of aberration defocus, coma, and secondary astigmatism affect reading performance via different mechanisms. In this paper, we show the contrary result that, for identification of isolated letters, the effects of rendering different types of aberration can be described by a sin...

journal_title：Journal of vision

authors： Young LK,Love GD,Smithson HE

更新日期：2013-06-20 00:00:00

abstract：:The statistical arrangement of oriented segments in natural scenes was recently proposed to be indicative of a cocircularity rule. In particular, the probability density function of the relative position of two oriented segments was found to be maximal along fixed angles on the plane, consistent with the two segments ...

journal_title：Journal of vision

authors： Chow CC,Jin DZ,Treves A

更新日期：2002-01-01 00:00:00

abstract：:Previous work on the straddle effect in contrast perception (Foley, 2011; Graham & Wolfson, 2007; Wolfson & Graham, 2007, 2009) has used visual patterns and observer tasks of the type known as spatially second-order. After adaptation of about 1 s to a grid of Gabor patches all at one contrast, a second-order test patt...

journal_title：Journal of vision

authors： Graham NV,Wolfson SS

更新日期：2018-05-01 00:00:00

abstract：:Between-eye differences in color or luminance result in the appearance of luster, which provides a cue for detecting between-eye differences. We measured thresholds for detecting between-eye differences in both hue and chromatic contrast (saturation) in dichoptically superimposed color patches. Sensitivity was found t...

journal_title：Journal of vision

authors： Jennings BJ,Kingdom FA

更新日期：2016-01-01 00:00:00

abstract：:While many aspects of human vision at low light levels have been studied in great detail, motion perception has rarely been investigated so far. Here we address differential effects of light level on the perception of coherent motion, heading from radial flow, and biological motion. We determined detection thresholds ...

journal_title：Journal of vision

authors： Billino J,Bremmer F,Gegenfurtner KR

更新日期：2008-03-18 00:00:00

abstract：:It has been shown (Murray & Gold, 2004a) that the Bubbles paradigm for studying human perceptual identification can be formally analyzed and compared to reverse correlation methods when the underlying identification model is conceived as a linear amplifier (LAM). However the usefulness of a LAM for characterizing huma...

journal_title：Journal of vision

authors： Hannagan T,Grainger J

更新日期：2013-07-17 00:00:00

abstract：:The precision and accuracy of speed discrimination performance for stereomotion stimuli were assessed for several receding 3D trajectories confined to the horizontal meridian. It has previously been demonstrated in a variety of tasks that detection thresholds are substantially higher when subjects observe a stereomoti...

journal_title：Journal of vision

authors： Brooks KR,Stone LS

更新日期：2006-10-19 00:00:00

abstract：:Various equations that describe how observers could recover the trajectory of an approaching object have been put forward. Many are relatively complex formulations that recover the veridical trajectory by scaling retinal cues, such as looming and changing disparity. However, these equations do not seem to describe hum...

journal_title：Journal of vision

authors： Duke PA,Rushton SK

更新日期：2012-03-08 00:00:00

abstract：:This paper explores the nature of the representations used for computing mean visual size of an array of visual objects of different sizes. In Experiment 1 we found that mean size judgments are accurately made even when the individual objects (circles) upon which those judgments were based were distributed between the...

journal_title：Journal of vision

authors： Joo SJ,Shin K,Chong SC,Blake R

更新日期：2009-08-19 00:00:00

abstract：:Human observers are exquisitely sensitive to curvature deformations along a circular closed contour (Wilkinson, Wilson, & Habak, 1998; Hess, Wang, & Dakin, 1999; Loffler, Wilson, & Wilkinson, 2003). Such remarkable sensitivity has been attributed to the curvature encoding scheme used by V4 neurons, which typically are...

journal_title：Journal of vision

authors： Slugocki M,Sekuler AB,Bennett PJ

更新日期：2019-11-01 00:00:00

abstract：:Patterned backgrounds can induce large shifts in color appearance, even with patterns of only 10% S-cone contrast (S. K. Shevell & P. Monnier, 2005). The present study tested whether a background pattern could induce color shifts even at a below-threshold contrast. In the first experiment, S-cone contrast threshold fo...

journal_title：Journal of vision

authors： Monnier P,Shevell SK

更新日期：2008-09-23 00:00:00

abstract：:When the visual system is confronted with incompatible images in the same part of the visual field, the conscious percept switches back and forth between the rivaling stimuli. Such spontaneous flips provide important clues to the neuronal basis for visual awareness. The general idea is that two representations compete...

journal_title：Journal of vision

authors： Lankheet MJ

更新日期：2006-02-21 00:00:00

abstract：:An important constraint on motion processing is the maximum number of directions that can be perceived at the same time. When transparent-motion stimuli are constructed based solely on direction differences, prior studies demonstrate that no more than two directions are seen simultaneously. However, this limit has bee...

journal_title：Journal of vision

authors： Greenwood JA,Edwards M

更新日期：2009-01-30 00:00:00

abstract：:Psychophysical experiments have demonstrated that it is possible to simultaneously perceive binocular depth and rivalry in plaids (A. Buckthought & H. R. Wilson, 2007). Here, we used fMRI at 3T to image activity in the visual cortex while human subjects perceived depth and rivalry from plaids. Six subjects performed e...

journal_title：Journal of vision

authors： Buckthought A,Mendola JD

更新日期：2011-05-05 00:00:00

abstract：:Which face cues do we use for gender discrimination? Few studies have tried to answer this question and the few that have tried typically used only a small set of grayscale stimuli, often distorted and presented a large number of times. Here, we reassessed the importance of facial cues for gender discrimination in a m...

journal_title：Journal of vision

authors： Dupuis-Roy N,Fortin I,Fiset D,Gosselin F

更新日期：2009-02-10 00:00:00

abstract：:The presence of differential item functioning (DIF) in a test suggests bias that could disadvantage members of a certain group. Previous work with tests of visual learning abilities found significant DIF related to age groups in a car test (Lee, Cho, McGugin, Van Gulick, & Gauthier, 2015), but not in a face test (Cho ...

journal_title：Journal of vision

authors： Sunday MA,Lee WY,Gauthier I

更新日期：2018-01-01 00:00:00

abstract：:In this paper, we report on a novel visual motion illusion. When hundreds of dots move in straight trajectories and random directions without colliding, the trajectories are perceived as wriggling rather than straight (Experiment 1). We examined the nature of this "wriggling motion trajectory illusion" via six separat...

journal_title：Journal of vision

authors： Kuwahara M,Sato T,Yotsumoto Y

更新日期：2012-11-08 00:00:00

abstract：:After adapting to a certain motion direction, our perception of a similar direction will be repelled away from the adapting direction, a phenomenon known as the direction aftereffect (DAE). As the motion system consists of local and global processing stages, it remains unclear how the adaptation of the two stages cont...

journal_title：Journal of vision

authors： Lee ALF

更新日期：2018-11-01 00:00:00

abstract：:Motion can bias the perceived location of a stationary stimulus (Whitney & Cavanagh, 2000), but whether this occurs at a high level of representation or at early, retinotopic stages of visual processing remains an open question. As coding of orientation emerges early in visual processing, we tested whether motion coul...

journal_title：Journal of vision

authors： Kosovicheva AA,Maus GW,Anstis S,Cavanagh P,Tse PU,Whitney D

更新日期：2012-01-01 00:00:00

abstract：:A series of seven experiments explored search for opaque targets among transparent distractors or vice versa. Static stimuli produced very inefficient search. With moving items, search for an opaque target among transparent distractors was quite efficient while search for transparent targets was less efficient (Experi...

journal_title：Journal of vision

authors： Wolfe JM,Birnkrant RS,Kunar MA,Horowitz TS

更新日期：2005-03-30 00:00:00