The separable effects of feature precision and item load in visual short-term memory.

abstract：:This study compared the effects of age on the perception of translational, radial, and rotational global motion patterns. Motion coherence thresholds were measured for judging the direction of each motion type as a function of contrast (visibility) and temporal sampling rate in young and elderly participants. Coherenc...

journal_title：Journal of vision

authors： Allen HA,Hutchinson CV,Ledgeway T,Gayle P

更新日期：2010-08-17 00:00:00

abstract：:This study investigated the mechanisms of grouping and segregation in natural scenes of close-up foliage, an important class of scenes for human and non-human primates. Close-up foliage images were collected with a digital camera calibrated to match the responses of human L, M, and S cones at each pixel. The images we...

journal_title：Journal of vision

authors： Ing AD,Wilson JA,Geisler WS

更新日期：2010-04-27 00:00:00

abstract：:Apparent duration can be manipulated in a local region of visual field by long-term adaptation to motion or flicker (Johnston, Arnold, & Nishida, 2006). These effects show narrow spatial tuning (Ayhan, Bruno, Nishida, & Johnston, 2009), as well as retinotopic position dependency (Bruno, Ayhan, & Johnston, 2010), suppo...

journal_title：Journal of vision

authors： Gulhan D,Ayhan I

更新日期：2019-05-01 00:00:00

abstract：:Rapidly decoding the emotional content of a face is an important skill for successful social behavior. Several Event Related brain Potential (ERP) have indicated that emotional expressions already influence brain activity as early as 100 ms. Some studies hypothesized that this early brain response to fear depends on c...

journal_title：Journal of vision

authors： Vlamings PH,Goffaux V,Kemner C

更新日期：2009-05-14 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：:In this study we investigate temporal slowness as a learning principle for receptive fields using slow feature analysis, a new algorithm to determine functions that extract slowly varying signals from the input data. We find a good qualitative and quantitative match between the set of learned functions trained on imag...

journal_title：Journal of vision

authors： Berkes P,Wiskott L

更新日期：2005-07-20 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：: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：:Adaptation to a blurred image causes a physically focused image to appear too sharp, and shifts the point of subjective focus toward the adapting blur, consistent with a renormalization of perceived focus. We examined whether and how this adaptation normalizes to differences in blur between the two eyes, which can rou...

journal_title：Journal of vision

authors： Kompaniez E,Sawides L,Marcos S,Webster MA

更新日期：2013-05-31 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：:The link between arousal and pupil dilation is well studied, but it is less known that other cognitive processes can trigger pupil responses. Here we present evidence that pupil responses can be induced by high-level scene processing, independent of changes in low-level features or arousal. In Experiment 1, we recorde...

journal_title：Journal of vision

authors： Naber M,Nakayama K

更新日期：2013-05-17 00:00:00

abstract：:Accommodation and vergence help maintain single and focused visual experience while an object moves in depth. The relative importance of retinal blur and disparity, the primary sensory cues to accommodation and vergence, is largely unknown during development; a period when growth of the eye and head necessitate contin...

journal_title：Journal of vision

authors： Bharadwaj SR,Candy TR

更新日期：2008-12-22 00:00:00

abstract：:Collinear facilitation is a visual phenomenon by which the contrast detection threshold of a central target is reduced (facilitation) when placed equidistant between two high-contrast flankers. The neural mechanisms underpinning this phenomenon originate from feed-forward lateral facilitation between cell layers in V1...

journal_title：Journal of vision

authors： Chan YM,Brooks CJ,McKendrick AM

更新日期：2019-12-02 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：: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：:A fundamental question in visual perception is to characterize how information from sensory input is integrated with prior probabilities. The role of prior probabilities is controversial for elementary visual processes, which are often believed to be immune from higher-level influences. In this paper, we demonstrate s...

journal_title：Journal of vision

authors： Lu H,Tjan BS,Liu Z

更新日期：2006-01-27 00:00:00

abstract：:Previous literature suggests that low-level stimulus properties determine the detection performance of contours and are used to define different contour types. Here we investigated the processing of different types of contours under conscious and unconscious conditions. In Experiment 1, we adopted an inattentional bli...

journal_title：Journal of vision

authors： Li Y,Li S

更新日期：2015-01-01 00:00:00

abstract：:Microsaccades can elevate contrast detection thresholds of human observers and modulate the activity of neurons in monkey visual cortex. Whether microsaccades elevate contrast detection thresholds in monkey observers is not known and bears on the interpretation of neurophysiological experiments. To answer this questio...

journal_title：Journal of vision

authors： Hass CA,Horwitz GD

更新日期：2011-03-04 00:00:00

abstract：:Gaze behavior during scene and object recognition can highlight the relevant information for a task. For example, salience maps-highlighting regions that have heightened luminance, contrast, color, etc. in a scene-can be used to predict gaze targets. Certain tasks, such as face recognition, result in a typical pattern...

journal_title：Journal of vision

authors： Akhavein H,Farivar R

更新日期：2017-02-01 00:00:00

abstract：:Adaptation to first-order (luminance defined) motion produces not only a motion aftereffect but also a position aftereffect, in which a target pattern's perceived location is shifted opposite the direction of adaptation. These aftereffects can occur passively (when the direction of motion adaptation cannot be detected...

journal_title：Journal of vision

authors： Harp TD,Bressler DW,Whitney D

更新日期：2007-07-20 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：:Peripheral viewing is characterized by poor resolution and distortions as compared to central viewing; nevertheless, when we move our gaze around, the visual scene does not appear to change. One possible mechanism leading to perceptual uniformity would be that peripheral appearance is extrapolated based on foveal info...

journal_title：Journal of vision

authors： Toscani M,Gegenfurtner KR,Valsecchi M

更新日期：2017-08-01 00:00:00

abstract：:One approach toward understanding how vision computes surface lightness is to first determine what principles govern lightness in simple stimuli and then test whether these hold for more complex stimuli. Gilchrist (2006) proposed that in the simplest images that produce the experience of a surface (two surfaces differ...

journal_title：Journal of vision

authors： Radonjić A,Gilchrist AL

更新日期：2014-11-25 00:00:00

abstract：:In natural vision, continuously changing input is generated by fast saccadic eye movements and slow drifts. We analyzed effects of fixational saccades, voluntary saccades, and drifts on the activity of macaque V1 neurons. Effects of fixational saccades and small voluntary saccades were equivalent. In the presence of a...

journal_title：Journal of vision

authors： Kagan I,Gur M,Snodderly DM

更新日期：2008-11-27 00:00:00

abstract：:First described during the 18th century, the cause of night myopia remains a controversial topic. Whereas several explanations have been suggested in the literature, particularly related with accommodation or chromatic shift in scotopic light conditions, no definitive explanation for its aetiology has been provided. W...

journal_title：Journal of vision

authors： López-Gil N,Peixoto-de-Matos SC,Thibos LN,González-Méijome JM

更新日期：2012-01-01 00:00:00

abstract：:We investigated the perception of three-dimensional plane orientation--focusing on the perception of tilt--from optic flow generated by the observer's active movement around a simulated stationary object, and compared the performance to that of an immobile observer receiving a replay of the same optic flow. We found t...

journal_title：Journal of vision

authors： van Boxtel JJ,Wexler M,Droulez J

更新日期：2003-01-01 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：:The internal representation of stimuli is imperfect and subject to bias. Noise introduced at initial encoding and during maintenance degrades the precision of representation. Stimulus estimation is also biased away from recently encountered stimuli, a phenomenon known as adaptation. Within a Bayesian framework, greate...

journal_title：Journal of vision

authors： Mattar MG,Carter MV,Zebrowitz MS,Thompson-Schill SL,Aguirre GK

更新日期：2018-12-03 00:00:00

abstract：:When static observers are presented with a visual simulation of forward self-motion, they generally misestimate distance travelled relative to a previously seen distant target: It has been suggested that this finding can be accounted for by a "leaky path integration" model. In the present study, using a similar experi...

journal_title：Journal of vision

authors： Bossard M,Goulon C,Mestre DR

更新日期：2016-12-01 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