Transfer in motion discrimination learning was no greater in double training than in single training.

abstract：:We studied the role of native astigmatism and ocular aberrations on best-focus setting and its shift upon induction of astigmatism in 42 subjects (emmetropes, myopes, hyperopes, with-the-rule [WTR] and against-the-rule [ATR] myopic astigmats). Stimuli were presented in a custom-developed adaptive optics simulator, all...

journal_title：Journal of vision

authors： Marcos S,Velasco-Ocana M,Dorronsoro C,Sawides L,Hernandez M,Marin G

更新日期：2015-08-01 00:00:00

abstract：:Perceptual grouping plays an indispensable role in figure-ground segregation and attention distribution. For example, a column pops out if it contains element bars orthogonal to uniformly oriented element bars. Jingling and Tseng (2013) have reported that contextual grouping in a column matters to visual search behavi...

journal_title：Journal of vision

authors： Chow HM,Jingling L,Tseng CH

更新日期：2013-08-29 00:00:00

abstract：:We demonstrate a new type of interaction between suprathreshold color (chromatic) and luminance contrast in the context of binocular vision. When two isoluminant colored disks of identical hue but different saturations are presented to different eyes, the apparent saturation of the resulting "dichoptic" mix is close t...

journal_title：Journal of vision

authors： Kingdom FA,Libenson L

更新日期：2015-01-01 00:00:00

abstract：:Contrast discrimination functions for simple gratings famously look like a dipper. Discrimination thresholds are lower than detection thresholds for moderate pedestal contrasts, and the rate of growth of thresholds as the pedestal contrast gets larger typically lies between the values implied by two popular treatments...

journal_title：Journal of vision

authors： Sanborn AN,Dayan P

更新日期：2011-12-08 00:00:00

abstract：:Oscillatory synchronization of neuronal populations has been proposed to play a role in perceptual integration and attentional processing. However, some conflicting evidence has been found with respect to its causal relevance for sensory processing, particularly when using flickering visual stimuli with the aim of dri...

journal_title：Journal of vision

authors： Bauer M,Akam T,Joseph S,Freeman E,Driver J

更新日期：2012-04-13 00:00:00

abstract：:The visual span for reading is the number of letters that can be recognized without moving the eyes and is hypothesized to impose a sensory limitation on reading speed. Factors affecting the size of the visual span have been studied using alphabet letters. There may be common constraints applying to recognition of oth...

journal_title：Journal of vision

authors： Wang H,He X,Legge GE

更新日期：2014-07-03 00:00:00

abstract：:Pursuit can be guided by perceived rather than physical motion, but the temporal relationship between motion perception and pursuit is unknown. We used an apparent motion stimulus consisting of a horizontal row of evenly spaced Kanizsa illusory squares (1.44 deg2): the illusory contours appeared at the midpoints of th...

journal_title：Journal of vision

authors： Madelain L,Krauzlis RJ

更新日期：2003-11-18 00:00:00

abstract：:In 1986, Paul Whittle investigated the ability to discriminate between the luminance of two small patches viewed upon a uniform background. In 1992, Paul Whittle asked subjects to manipulate the luminance of a number of patches on a uniform background until their brightness appeared to vary from black to white with ev...

journal_title：Journal of vision

authors： Kane D,Bertalmío M

更新日期：2019-01-02 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：:Optical blur in the peripheral retina is known to be highly anisotropic due to nonrotationally symmetric wavefront aberrations such as astigmatism and coma. At the neural level, the visual system exhibits anisotropies in orientation sensitivity across the visual field. In the fovea, the visual system shows higher sens...

journal_title：Journal of vision

authors： Zheleznyak L,Barbot A,Ghosh A,Yoon G

更新日期：2016-01-01 00:00:00

abstract：:The role of target typicality in a categorical visual search task was investigated by cueing observers with a target name, followed by a five-item target present/absent search array in which the target images were rated in a pretest to be high, medium, or low in typicality with respect to the basic-level target cue. C...

journal_title：Journal of vision

authors： Maxfield JT,Stalder WD,Zelinsky GJ

更新日期：2014-10-01 00:00:00

abstract：:Amblyopia results in a severe loss of positional information and in the ability to accurately enumerate objects (V. Sharma, D. M. Levi, & S. A. Klein, 2000). In this study, we asked whether amblyopia also disrupts the ability to track a near-threshold change in the trajectory of a single target amongst multiple simila...

journal_title：Journal of vision

authors： Levi DM,Tripathy SP

更新日期：2006-11-28 00:00:00

abstract：:Somatosensory perception is hampered on the moving limb during a goal-directed movement. This somatosensory suppression is mostly attributed to a forward model that predicts future states of the system based on the established motor command. Here, we examined whether and how this suppression is modulated by the predic...

journal_title：Journal of vision

authors： Voudouris D,Broda MD,Fiehler K

更新日期：2019-05-01 00:00:00

abstract：:Bayesian cue combination models have been used to examine how human observers combine information from several cues to form estimates of linear quantities like depth. Here we develop an analogous theory for circular quantities like planar direction. The circular theory is broadly similar to the linear theory but diffe...

journal_title：Journal of vision

authors： Murray RF,Morgenstern Y

更新日期：2010-09-01 00:00:00

abstract：:One of the primary goals of motion analysis is to accurately track the movement of objects in the environment. We report on a novel illusion in which two objects moving with identical physical velocities have different perceived velocities, creating an apparent offset in their relative spatial positions. The stimulus ...

journal_title：Journal of vision

authors： Carlson TA,Schrater P,He S

更新日期：2006-02-13 00:00:00

abstract：:Two of the factors limiting progress in understanding the mechanisms of visual search are the difficulty of controlling and manipulating the retinal stimulus when the eyes are free to move and the lack of an ideal observer theory for fixation selection during search. Recently, we developed a method to precisely contro...

journal_title：Journal of vision

authors： Geisler WS,Perry JS,Najemnik J

更新日期：2006-08-03 00:00:00

abstract：:In binocular viewing, images presented to the amblyopic eye are suppressed in the cortex to prevent confusion or diplopia. The present study measures depth and extent of interocular suppression across the central circular 24° visual field in observers with strabismus and microstrabismus. Visual stimuli were concentric...

journal_title：Journal of vision

authors： Chima AS,Formankiewicz MA,Waugh SJ

更新日期：2016-08-01 00:00:00

abstract：:Human observers made local orientation judgments of smoothly shaded surfaces illuminated from different directions by large area lights, both with and without visible smooth occlusion contours. Test-retest correlations between the first and second halves of the experiment revealed that observers' judgments were highly...

journal_title：Journal of vision

authors： Egan EJ,Todd JT

更新日期：2015-02-24 00:00:00

abstract：:Archerfish are known for their remarkable behavior of shooting water jets at prey hanging on vegetation above water. Motivated by the fish's capacity to knock down small prey as high as two meters above water level, we studied the role of the retina in facilitating their excellent visual acuity. First, we show behavio...

journal_title：Journal of vision

authors： Ben-Simon A,Ben-Shahar O,Vasserman G,Ben-Tov M,Segev R

更新日期：2012-11-28 00:00:00

abstract：:Much research has been directed toward disentangling the "units" of attention: Is attention directed to locations in space, visual objects, or to individual features of an object? Moreover, there is considerable interest in whether attention increases the gain of neural mechanisms (signal enhancement) or acts by other...

journal_title：Journal of vision

authors： Pei F,Pettet MW,Norcia AM

更新日期：2002-01-01 00:00:00

abstract：:Traditional models of visual search such as feature integration theory (FIT; Treisman & Gelade, 1980), have suggested that a key factor determining task difficulty consists of whether or not the search target contains a "basic feature" not found in the other display items (distractors). Here we discriminate between su...

journal_title：Journal of vision

authors： Chang H,Rosenholtz R

更新日期：2016-08-01 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：:Ocular following responses (OFRs) are tracking eye movements elicited at ultrashort latency by the sudden movement of a textured pattern. Here we report the results of our study of their dependency on the spatial arrangement of the motion stimulus. Unlike previous studies that looked at the effect of stimulus size, we...

journal_title：Journal of vision

authors： Quaia C,Sheliga BM,Fitzgibbon EJ,Optican LM

更新日期：2012-04-20 00:00:00

abstract：:Frequent target stimuli are detected more rapidly than infrequent ones. Here, we examined whether the frequency effect reflected durable attentional biases toward frequent target features, and whether the effect was confined to featural properties that defined the target. Participants searched for two specific target ...

journal_title：Journal of vision

authors： Sha LZ,Remington RW,Jiang YV

更新日期：2017-01-01 00:00:00

abstract：:Sensory neurons represent stimulus information with sequences of action potentials that differ across repeated measurements. This variability limits the information that can be extracted from momentary observations of a neuron's response. It is often assumed that integrating responses over time mitigates this limitati...

journal_title：Journal of vision

authors： Goris RLT,Ziemba CM,Movshon JA,Simoncelli EP

更新日期：2018-08-01 00:00:00

abstract：:When categorizing an object, we fixate our eyes on informative parts of that object. In the current study, morphed figures were used to investigate whether the interpretation of such unclear objects is reflected in the eye movement pattern. The morphed figures were created by interpolating two concrete objects. The in...

journal_title：Journal of vision

authors： Hartendorp MO,Van der Stigchel S,Hooge I,Mostert J,de Boer T,Postma A

更新日期：2013-05-14 00:00:00

abstract：:Certain features of facial appearance perceptually resemble expressive cues related to facial displays of emotion. We hypothesized that because expressive markers of anger (such as lowered eyebrows) overlap with perceptual markers of male sex, perceivers would identify androgynous angry faces as more likely to be a ma...

journal_title：Journal of vision

authors： Hess U,Adams RB Jr,Grammer K,Kleck RE

更新日期：2009-11-24 00:00:00

abstract：:To reach for an object, one needs to know its egocentric distance (absolute depth). It remains an unresolved issue which signals are required by the brain to calculate this absolute depth information. We devised a geometric model of binocular 3D eye orientation and investigated the signals necessary to uniquely determ...

journal_title：Journal of vision

authors： Blohm G,Khan AZ,Ren L,Schreiber KM,Crawford JD

更新日期：2008-12-15 00:00:00

abstract：:Intuitively, extrapolating object trajectories should make visual tracking more accurate. This has proven to be true in many contexts that involve tracking a single item. But surprisingly, when tracking multiple identical items in what is known as "multiple object tracking," observers often appear to ignore direction ...

journal_title：Journal of vision

authors： Zhong SH,Ma Z,Wilson C,Liu Y,Flombaum JI

更新日期：2014-10-13 00:00:00

abstract：:The benefits of binocular vision have been debated throughout the history of vision science yet few studies have considered its contribution beyond a viewing distance of a few meters. In the first set of experiments, we compared monocular and binocular performance on depth interval estimation and discrimination tasks ...

journal_title：Journal of vision

authors： Allison RS,Gillam BJ,Vecellio E

更新日期：2009-01-13 00:00:00