Is the straddle effect in contrast perception limited to second-order spatial vision?

abstract：:When searching for two targets consecutively in the same display, participants use memory of recently fixated distractors that become the target in the second search to find that target more quickly. Here we ask whether participants are also using memory for fixated distractors that do not become the target. In Experi...

journal_title：Journal of vision

authors： Höfler M,Gilchrist ID,Körner C

更新日期：2015-01-01 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 motion transparency, one surface is very often seen on top of the other in spite of no proper depth cue in the display. We investigated the dynamics of depth assignment in motion transparency stimuli composed of random dots moving in opposite directions. Similarly to other bistable percepts, which surface is seen i...

journal_title：Journal of vision

authors： Mamassian P,Wallace JM

更新日期：2010-11-01 00:00:00

abstract：:Visually inferring the stiffness of objects is important for many tasks but is challenging because, unlike optical properties (e.g., gloss), mechanical properties do not directly affect image values. Stiffness must be inferred either (a) by recognizing materials and recalling their properties (associative approach) or...

journal_title：Journal of vision

authors： Schmidt F,Paulun VC,van Assen JJ,Fleming RW

更新日期：2017-03-01 00:00:00

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：:Saccadic adaptation is an oculomotor learning process that maintains the accuracy of eye movements to ensure effective perception of the environment. Although saccadic adaptation is commonly considered an automatic and low-level motor calibration in the cerebellum, we recently found that strength of adaptation is infl...

journal_title：Journal of vision

authors： Meermeier A,Gremmler S,Richert K,Eckermann T,Lappe M

更新日期：2017-10-01 00:00:00

abstract：:A common finding in oddity search, a search in which the target is unknown but defined to be different from the distractors, is that human performance remains insensitive or even improves with number of distractors (set size). A number of explanations based on perceptual and attentional mechanisms have been proposed t...

journal_title：Journal of vision

authors： Schoonveld W,Shimozaki SS,Eckstein MP

更新日期：2007-07-06 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：:In visual crowding, identification of a peripheral object is impaired by nearby objects. Recent studies have demonstrated that crowding is not limited only to interaction between low-level features or parts, as presumed by most models of crowding, but can also occur between high-level, configural representations of ob...

journal_title：Journal of vision

authors： Pirkner Y,Kimchi R

更新日期：2017-09-01 00:00:00

abstract：:In addition to its expected fast, additive L- and M-cone inputs (L + M), the luminance pathway has slow, spectrally opponent inputs. We have previously shown that on long-wavelength fields, the dominant slow signals change from L-M at moderate intensity levels to M-L signals at high. Here, we focus on the transition b...

journal_title：Journal of vision

authors： Stockman A,Plummer DJ

更新日期：2005-10-21 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：:Although it is known that a moving stimulus appears to dilate in duration compared to a stationary stimulus, whether subjective motion devoid of stimulus motion is sufficient remains unknown. To elucidate this, we used a motion illusion in which an actually static stimulus clearly appears to move, a useful dissociatio...

journal_title：Journal of vision

authors： Aoki S,Kawano A,Terao M,Murakami I

更新日期：2016-11-01 00:00:00

abstract：:The multifocal visual evoked potential (mfVEP) is largely generated in V1. To relate the electrical activity recorded from humans to recordings from single cells in nonhuman primate (V1) cortex, contrast-response functions for the human mfVEP were compared to predictions from a model of V1 activity (D. J. Heeger, A. C...

journal_title：Journal of vision

authors： Hood DC,Ghadiali Q,Zhang JC,Graham NV,Wolfson SS,Zhang X

更新日期：2006-04-24 00:00:00

abstract：:Visual short-term memory (VSTM) has been described as being limited by the number of discrete visual objects, the aggregate quantity of information across multiple visual objects, or some combination of the two. Many recent studies examining these capacity limitations have shown that increasing the number of items in ...

journal_title：Journal of vision

authors： Lilburn SD,Smith PL,Sewell DK

更新日期：2019-01-02 00:00:00

abstract：:It is known that moving visual stimuli are perceived to last longer than stationary stimuli with the same physical duration (Kanai, Paffen, Hogendoorn, & Verstraten, 2006), and that motor actions (Tomassini & Morrone, 2016) and eye movements (Morrone, Ross, & Burr, 2005) can alter perceived duration. In the present wo...

journal_title：Journal of vision

authors： Verde LL,Alais D,Burr DC,Morrone MC,MacDougall H,Verstraten FAJ

更新日期：2019-03-01 00:00:00

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：:Visual motion serves as a cue for high-level percepts. The present study reports novel modulation of animacy perception through synchronous motion. A target dot moving along a random trajectory was presented. The trajectory was generated based on a variant of 1/f noise; hence, the dot could be perceived as animate. Pa...

journal_title：Journal of vision

authors： Takahashi K,Watanabe K

更新日期：2015-01-01 00:00:00

abstract：:The human fovea lies at the center of the retina and supports high-acuity vision. In normal visual system development, the highest acuity is correlated with both a high density of cone photoreceptors in the fovea and a magnified retinotopic representation of the fovea in the visual cortex. Both cone density and the co...

journal_title：Journal of vision

authors： Woertz EN,Wilk MA,Duwell EJ,Mathis JR,Carroll J,DeYoe EA

更新日期：2020-06-03 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：:Moving objects are often occluded by neighboring objects. In order for the eye to smoothly pursue a moving object that is transiently occluded, a prediction of its trajectory is necessary. For targets moving on a linear path, predictive eye velocity can be regulated on the basis of target motion before and after the o...

journal_title：Journal of vision

authors： Orban de Xivry JJ,Missal M,Lefèvre P

更新日期：2008-11-17 00:00:00

abstract：:An expanding object, which may represent an approaching motion, is easier to detect than a contracting one, which may represent a receding object. To confirm the generality of asymmetry in the detection of approaching and receding motions, we focused on the perception of apparent motion in depth created by moving cast...

journal_title：Journal of vision

authors： Imura T,Shirai N,Tomonaga M,Yamaguchi MK,Yagi A

更新日期：2008-10-31 00:00:00

abstract：:Our perceptions are fundamentally altered by our expectations, i.e., priors about the world. In previous statistical learning experiments (Chalk, Seitz, & Seriès, 2010), we investigated how such priors are formed by presenting subjects with white low contrast moving dots on a blank screen and using a bimodal distribut...

journal_title：Journal of vision

authors： Gekas N,Chalk M,Seitz AR,Seriès P

更新日期：2013-03-13 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：:Given the inherent difference in judgment required to complete visual detection and identification tasks, it is unknown whether task selection differentially affects visual performance as a function of development. The aim of the present study is therefore to systematically assess and contrast visual performance using...

journal_title：Journal of vision

authors： Hanck J,Cornish K,Perreault A,Kogan C,Bertone A

更新日期：2012-06-01 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 the occlusion illusion, a partly occluded object is perceived as though it were less occluded than it actually is (Palmer, Brooks, & Lai, 2007). We confirm and extend this finding using a stimulus with a moving occluder. In agreement with Palmer et al.'s (2007) findings and their partial-modal-completion hypothesis...

journal_title：Journal of vision

authors： Scherzer TR,Ekroll V

更新日期：2015-01-22 00:00:00

abstract：:A key challenge for the visual system is to extract constant object properties from incoming sensory information. This information is ambiguous because the same sensory signal can arise from many combinations of object properties and viewing conditions and noisy because of the variability in sensory encoding. The comp...

journal_title：Journal of vision

authors： Olkkonen M,Saarela TP,Allred SR

更新日期：2016-01-01 00:00:00

abstract：:When reaching for objects, humans make saccades to fixate the object at or near the time the hand begins to move. In order to address whether the CNS relies on a common representation of target positions to plan both saccades and hand movements, we quantified the contributions of visual short-term memory (VSTM) to han...

journal_title：Journal of vision

authors： Issen LA,Knill DC

更新日期：2012-01-04 00:00:00

abstract：:Visually guided catch-up saccades during the pursuit of a moving target are highly influenced by smooth pursuit performance. For example, the decision to execute a saccade and its amplitude is driven by the difference in velocity between the eye and the target. In previous studies, we have demonstrated that the predic...

journal_title：Journal of vision

authors： Orban de Xivry JJ,Missal M,Lefèvre P

更新日期：2009-10-06 00:00:00

abstract：:This study evaluated the extent to which different types of luminance noise can be used to target selectively the inferred magnocellular (MC) and parvocellular (PC) visual pathways. Letter contrast sensitivity (CS) was measured for three visually normal subjects for letters of different size (0.8°-5.3°) under establis...

journal_title：Journal of vision

authors： Hall CM,McAnany JJ

更新日期：2017-07-01 00:00:00