Adaptive changes in visual cortex following prolonged contrast reduction.

abstract：:The pedestal effect is the improvement in the detectability of a sinusoidal grating in the presence of another grating of the same orientation, spatial frequency, and phase-usually called the pedestal. Recent evidence has demonstrated that the pedestal effect is differently modified by spectrally flat and notch-filter...

journal_title：Journal of vision

authors： Goris RL,Wichmann FA,Henning GB

更新日期：2009-07-31 00:00:00

abstract：:Recently, researchers have begun to investigate how nonspatial perceptual information is extracted into visual working memory (VWM), focusing particularly on object-based encoding (OBE). That is, whenever even one feature-dimension is selected for entry into VWM, the others are also extracted automatically. While ther...

journal_title：Journal of vision

authors： Shen M,Tang N,Wu F,Shui R,Gao Z

更新日期：2013-02-01 00:00:00

abstract：:Recent experiments have established that monocular areas arising due to occlusion of one object by another contribute to stereoscopic depth perception. It has been suggested that the primary role of monocular occlusions is to define depth discontinuities and object boundaries in depth. Here we use a carefully designed...

journal_title：Journal of vision

authors： Tsirlin I,Wilcox LM,Allison RS

更新日期：2010-06-01 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：:Like other perceptual attributes, numerosity is susceptible to adaptation. Nevertheless, it has never been fully investigated whether adaptation to numerosity is fully perceptual in nature or if it stems from the mixed influence of perception and attention. In the present work, we addressed this point throughout three...

journal_title：Journal of vision

authors： Grasso PA,Anobile G,Arrighi R

更新日期：2021-01-04 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：: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：:Natural visual scenes contain several independent sources of information (cues) about a single property such as slant. It is widely assumed that the visual system processes such cues separately and then combines them with an averaging operation that takes the reliabilities of the individual cues into account. Does tha...

journal_title：Journal of vision

authors： Muller CM,Brenner E,Smeets JB

更新日期：2007-02-16 00:00:00

abstract：:Are people biologically prepared for the rapid detection of threat posed by an angry facial expression, even when it is conveyed in the form of a schematic line drawing? Based on visual search times, the current literature would suggest that the answer is yes. But are there low-level explanations for this effect? Here...

journal_title：Journal of vision

authors： Kennett MJ,Wallis G

更新日期：2019-07-01 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：: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：:Many common activities, like reading, scanning scenes, or searching for an inconspicuous item in a cluttered environment, entail serial movements of the eyes that shift the gaze from one object to another. Previous studies have shown that the primate brain is capable of programming sequential saccadic eye movements in...

journal_title：Journal of vision

authors： Ray S,Bhutani N,Murthy A

更新日期：2012-03-20 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：: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：:Human faces look more similar to each other when they are presented upside down, leading to an increase in error rate and response time during individual face discrimination tasks. This face inversion effect (FIE) is one of the most robust findings in the face processing literature. Recent neuroimaging studies using a...

journal_title：Journal of vision

authors： Jacques C,d'Arripe O,Rossion B

更新日期：2007-06-08 00:00:00

abstract：:It is well established that the apparent duration of moving visual objects is greater at higher as compared to slower speeds. Here we report the effects of acceleration and deceleration on the perceived duration of a drifting grating with average speed kept constant (10°/s).For acceleration, increasing the speed range...

journal_title：Journal of vision

authors： Bruno A,Ayhan I,Johnston A

更新日期：2015-01-01 00:00:00

abstract：:Temporal context, or adaptation, profoundly affects visual perception. Despite the strength and prevalence of adaptation effects, their functional role in visual processing remains unclear. The effects of spatial context and their functional role are better understood: these effects highlight features that differ from...

journal_title：Journal of vision

authors： Wissig SC,Patterson CA,Kohn A

更新日期：2013-02-06 00:00:00

abstract：:Knowledge of target features can guide attention in many conjunction searches in a top-down manner. For example, in search of a red vertical line among blue vertical and red horizontal lines, observers can guide attention toward all red items and all vertical items. In typical conjunction searches, distractors often f...

journal_title：Journal of vision

authors： Utochkin IS,Khvostov VA,Wolfe JM

更新日期：2020-08-03 00:00:00

abstract：:Contrary to other tasks (free viewing, recognition, visual search), participants often fail to recognize repetition of trials in multiple object tracking (MOT). This study examines the intra- and interindividual variability of eye movements in repeated MOT trials along with the adherence of eye movements to the previo...

journal_title：Journal of vision

authors： Lukavský J

更新日期：2013-06-13 00:00:00

abstract：:In everyday experience, perceived colors of objects remain approximately constant under changes in illumination. This constancy is helpful for identifying objects across viewing conditions. Studies on color constancy often employ monitor simulations of illumination and reflectance changes. Real scenes, however, have f...

journal_title：Journal of vision

authors： Olkkonen M,Witzel C,Hansen T,Gegenfurtner KR

更新日期：2010-12-27 00:00:00

abstract：:In three-dimensional (3-D) cluttered scenes such as foliage, deeper surfaces often are more shadowed and hence darker, and so depth and luminance often have negative covariance. We examined whether the sign of depth-luminance covariance plays a role in depth perception in 3-D clutter. We compared scenes rendered with ...

journal_title：Journal of vision

authors： Scaccia M,Langer MS

更新日期：2018-03-01 00:00:00

abstract：:Spatial attention shifts receptive fields in monkey extrastriate visual cortex toward the focus of attention (S. Ben Hamed, J. R. Duhamel, F. Bremmer, & W. Graf, 2002; C. E. Connor, J. L. Gallant, D. C. Preddie, & D. C. Van Essen, 1996; C. E. Connor, D. C. Preddie, J. L. Gallant, & D. C. Van Essen, 1997; T. Womelsdorf...

journal_title：Journal of vision

authors： Anton-Erxleben K,Henrich C,Treue S

更新日期：2007-08-23 00:00:00

abstract：:The dynamics of attentional deployment before saccade execution was studied with a dual-task paradigm. Observers made a horizontal saccade whose direction was indicated by a symbolic precue and had to discriminate the orientation of a Gabor patch displayed at different delays after the precue (but before saccade onset...

journal_title：Journal of vision

authors： Castet E,Jeanjean S,Montagnini A,Laugier D,Masson GS

更新日期：2006-03-03 00:00:00

abstract：:Eye movements are the most frequent (∼3/s), shortest-latency (∼150-250 ms), and biomechanically simplest (one joint, no inertial complexities) voluntary motor behavior in primates, providing a model system to assess sensorimotor disturbances arising from trauma, fatigue, aging, or disease states. We have developed a 1...

journal_title：Journal of vision

authors： Liston DB,Stone LS

更新日期：2014-12-19 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：:People are able to perceive the 3D shape of illuminated surfaces using image shading cues. Theories about how we accomplish this often assume that the human visual system estimates a single lighting direction and interprets shading cues in accord with that estimate. In natural scenes, however, lighting can be much mor...

journal_title：Journal of vision

authors： Wilder JD,Adams WJ,Murray RF

更新日期：2019-06-03 00:00:00

abstract：:Crowding is the deterioration of target identification in the presence of neighboring objects. Recent studies using appearance-based methods showed that the perceived number of target elements is often diminished in crowding. Here we introduce a related type of diminishment in repeating patterns (sets of parallel line...

journal_title：Journal of vision

authors： Yildirim FZ,Coates DR,Sayim B

更新日期：2020-04-09 00:00:00

abstract：:Blur is an important attribute of human spatial vision, and sensitivity to blur has been the subject of considerable experimental research and theoretical modeling. Often, these models have invoked specialized concepts or mechanisms, such as intrinsic blur, multiple spatial frequency channels, or blur estimation units...

journal_title：Journal of vision

authors： Watson AB,Ahumada AJ

更新日期：2011-09-19 00:00:00

abstract：:Color is commonly described in terms of the three perceptual attributes-hue, saturation, and brightness-of which only hue has a qualitative nature, saturation and brightness being of a quantitative nature. A possible reason for such a phenomenological structure of the color manifold, and its geometric representation, ...

journal_title：Journal of vision

authors： Logvinenko AD

更新日期：2015-01-14 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