Monitoring mouse retinal degeneration with high-resolution spectral-domain optical coherence tomography.

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：:Covert spatial attention increases the perceived contrast of stimuli at attended locations, presumably via enhancement of visual neural responses. However, the relation between perceived contrast and the underlying neural responses has not been characterized. In this study, we systematically varied stimulus contrast, ...

journal_title：Journal of vision

authors： Cutrone EK,Heeger DJ,Carrasco M

更新日期：2014-12-30 00:00:00

abstract：:Studies have shown that displacing specular highlights from their natural locations in images reduces perceived surface gloss. Here, we assessed the extent to which perceived gloss depends on congruence in the position and orientation of specular highlights relative to surface shape and the diffuse shading from which ...

journal_title：Journal of vision

authors： Kim J,Marlow P,Anderson BL

更新日期：2011-08-12 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：:In retinotopically organized areas of the macaque visual cortex, neurons have been found that shift their receptive fields before a saccade to their postsaccadic position. This saccadic remapping has been interpreted as a mechanism contributing to perceptual stability of space across eye movements. So far, there is on...

journal_title：Journal of vision

authors： Wittenberg M,Bremmer F,Wachtler T

更新日期：2008-10-23 00:00:00

abstract：:Experimental data on the accuracy and frequency of saccades are incorporated into a model of the visual world and eye movements to determine the spatial distribution of visual objects on the retina. Visual scenes are represented as sequences of discrete small objects whose positions are initially uniformly distributed...

journal_title：Journal of vision

authors： Lewis A,Garcia R,Zhaoping L

更新日期：2003-12-29 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：:These experiments compared the maximum displacement and disparity limits (Dmax) for apparent motion and stereopsis in random-dot displays in adult and 12-28 week-old infant subjects. Both stereo and motion Dmax increased during development, from about 0.3 deg in the youngest infants to 2 deg in adults. Some of the you...

journal_title：Journal of vision

authors： Wattam-Bell J

更新日期：2009-06-18 00:00:00

abstract：:Human observers can determine whether natural scenes contain an animal or not on the basis of as little as 20 ms viewing; a phenomenon termed ultra-rapid categorization (URC). Recent studies have suggested that URC is unimpaired even when attention resources are concurrently devoted to a second task. This apparent ind...

journal_title：Journal of vision

authors： Walker S,Stafford P,Davis G

更新日期：2008-04-23 00:00:00

abstract：:In the peripheral visual field, nearby objects can make one another difficult to recognize (crowding) in a manner that critically depends on their separation. We manipulated the apparent separation of objects using the illusory shifts in perceived location that arise from local motion to determine if crowding depends ...

journal_title：Journal of vision

authors： Dakin SC,Greenwood JA,Carlson TA,Bex PJ

更新日期：2011-08-08 00:00:00

abstract：:How do we interpret the rapidly changing visual stimuli we encounter? How does our past visual experience shape our perception? Recent work has suggested that our visual system is able to interpret multiple faces presented temporally via integration or ensemble coding. Visual adaptation is widely used to probe such sh...

journal_title：Journal of vision

authors： Ying H,Xu H

更新日期：2017-01-01 00:00:00

abstract：:Signal detection theory (SDT) asserts that sensory analysis is limited only by noise, and not by the number of stimuli analysed. To test this claim, we measured the accuracy of visual search for a single tilted element (the target) among 7 horizontal elements (distractors) using several different exposure durations, e...

journal_title：Journal of vision

authors： Solomon JA,Morgan MJ

更新日期：2001-01-01 00:00:00

abstract：:Horizontal information was recently suggested to be crucial for face identification. In the present paper, we expand on this finding and investigate the role of orientations for all the basic facial expressions and neutrality. To this end, we developed orientation bubbles to quantify utilization of the orientation spe...

journal_title：Journal of vision

authors： Duncan J,Gosselin F,Cobarro C,Dugas G,Blais C,Fiset D

更新日期：2017-12-01 00:00:00

abstract：:Perceiving object motion during self-movement is an essential ability of humans. Previous studies have reported that the visual system can use both visual information (such as optic flow) and non-visual information (such as vestibular, somatosensory, and proprioceptive information) to identify and globally subtract th...

journal_title：Journal of vision

authors： Xie M,Niehorster DC,Lappe M,Li L

更新日期：2020-10-01 00:00:00

abstract：:We investigated the role of global optic flow for visual-motor adaptation of walking direction. In an immersive virtual environment, observers walked to a circular target lying on either a homogeneous ground plane (target-motion condition) or a textured ground plane (ground-flow condition). During adaptation trials, w...

journal_title：Journal of vision

authors： Saunders JA,Durgin FH

更新日期：2011-03-22 00:00:00

abstract：:The ability to track multiple moving objects with attention has been the focus of much research. However, the literature is relatively inconclusive regarding two key aspects of this ability, (1) whether the distribution of attention among the tracked targets is fixed during a period of tracking or is dynamically adjus...

journal_title：Journal of vision

authors： Iordanescu L,Grabowecky M,Suzuki S

更新日期：2009-04-03 00:00:00

abstract：:Early visual processing is surprisingly flexible even in the adult brain. This flexibility involves both long-term structural plasticity and online adaptations conveyed by top-down feedback. Although this view is supported by rich evidence from both human behavioral studies and invasive electrophysiology in nonhuman m...

journal_title：Journal of vision

authors： Herde L,Uhl J,Rauss K

更新日期：2020-06-03 00:00:00

abstract：:It has been proposed that letters, as opposed to symbols, trigger specialized crowding processes, boosting identification of the first and last letters of words. This hypothesis is based on evidence that single-letter accuracy as a function of within-string position has a W shape (the classic serial position function ...

journal_title：Journal of vision

authors： Castet E,Descamps M,Denis-Noël A,Colé P

更新日期：2017-09-01 00:00:00

abstract：:Studying human behavior in the natural context of everyday visual tasks--including locomotor tasks such as driving--can reveal visual strategies or even suggest underlying visual mechanisms. This paper reviews empirical and theoretical work in the past 20 years (1994-2014) on the visual control of steering a vehicle a...

journal_title：Journal of vision

authors： Lappi O

更新日期：2014-10-21 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

abstract：:Top-down guidance of visual attention has classically been thought to operate in a feature-specific manner. However, recent studies have shown that top-down visual attention can also be guided by information about target-nontarget feature relations (e.g., larger, redder, brighter). Here we recommend a minimal set of c...

journal_title：Journal of vision

authors： Harris AM,Remington RW,Becker SI

更新日期：2013-05-06 00:00:00

abstract：:We evaluated the ability of emmetropic and myopic observers to detect and discriminate blur across the retina under monocular or binocular viewing conditions. We recruited 39 young (23-30 years) healthy adults (n = 19 myopes) with best-corrected visual acuity 0.0 LogMAR (20/20) or better in each eye and no binocular o...

journal_title：Journal of vision

authors： Maiello G,Walker L,Bex PJ,Vera-Diaz FA

更新日期：2017-05-01 00:00:00

abstract：:Facial expression is theorized to be visually represented in a multidimensional expression space, relative to a norm. This norm-based coding is typically argued to be implemented by a two-pool opponent coding system. However, the evidence supporting the opponent coding of expression cannot rule out the presence of a t...

journal_title：Journal of vision

authors： Burton N,Jeffery L,Calder AJ,Rhodes G

更新日期：2015-01-02 00:00:00

abstract：:We used fMRI to examine the neural correlates of subjective reversals for bistable structure-from-motion. We compared transparent random-dot kinematograms depicting either a cylinder rotating in depth or two flat surfaces translating in opposite directions at apparently different depths. For both such stimuli, the mot...

journal_title：Journal of vision

authors： Freeman ED,Sterzer P,Driver J

更新日期：2012-06-29 00:00:00

abstract：:Binocular disparity signals allow for the estimation of three-dimensional shape, even in the absence of monocular depth cues. The perception of such disparity-defined form depends, however, on the linkage of multiple disparity measurements over space. Performance limitations in cyclopean tasks thus inform us about err...

journal_title：Journal of vision

authors： Goutcher R,Hibbard PB

更新日期：2020-02-10 00:00:00

abstract：:Crowding is the inability to identify an object among flankers in the periphery. It is due to inappropriate incorporation of features from flanking objects in perception of the target. Crowding is characterized by measuring critical spacing, the minimum distance needed between a target and flankers to allow recognitio...

journal_title：Journal of vision

authors： Rosen S,Chakravarthi R,Pelli DG

更新日期：2014-12-10 00:00:00

abstract：:When haptically exploring softness, humans use higher peak forces when indenting harder versus softer objects. Here, we investigated the influence of different channels and types of prior knowledge on initial peak forces. Participants explored two stimuli (hard vs. soft) and judged which was softer. In Experiment 1 pa...

journal_title：Journal of vision

authors： Zoeller AC,Lezkan A,Paulun VC,Fleming RW,Drewing K

更新日期：2019-04-01 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

abstract：:The neural mechanisms responsible for unifying noncontiguous regions of a visual image into a percept of a single surface remain largely unknown. To investigate these mechanisms, we used a novel stimulus in which local luminance was the only cue for surface segmentation. Subjects viewed an array of small adjoining ele...

journal_title：Journal of vision

authors： Bouvier SE,Cardinal KS,Engel SA

更新日期：2008-11-07 00:00:00

abstract：:Features of moving objects are non-retinotopically integrated along their motion trajectories as demonstrated by a variety of recent studies. The mechanisms of non-retinotopic feature integration are largely unknown. Here, we investigated the role of attention in non-retinotopic feature integration by using the sequen...

journal_title：Journal of vision

authors： Otto TU,Öğmen H,Herzog MH

更新日期：2010-10-01 00:00:00