High and low luminance letters, acuity reserve, and font effects on reading speed.

abstract：:Visual perceptual learning describes the improvement of visual perception with repeated practice. Previous research has established that the learning effects of perceptual training may be transferable to untrained stimulus attributes such as spatial location under certain circumstances. However, the mechanisms involve...

journal_title：Vision research

authors： Larcombe SJ,Kennard C,Bridge H

更新日期：2017-06-01 00:00:00

abstract：:The planning of the refixation saccade, i.e. the second saccade on 9- and 11-letter-strings, was assessed in two reading experiments that examined the influence of a length change at different times during the first fixation on a letter string. The results showed that the saccadic system was able to modify the first m...

journal_title：Vision research

authors： Vergilino D,Beauvillain C

更新日期：2000-01-01 00:00:00

abstract：:We examined variation in the visual system both within and among seven species of darters, colorful freshwater fishes of the genus Etheostoma. Using microspectrophotometry, we found that darters possess rod photoreceptor cells, single cone photoreceptor cells containing middle wavelength sensitive (MWS) visual pigment...

journal_title：Vision research

authors： Gumm JM,Loew ER,Mendelson TC

更新日期：2012-02-15 00:00:00

abstract：:The present experiments indicate that in a 7-AFC double judgment accuracy task with unmasked stimuli, cue location response bias can be quantified and removed, revealing unbiased improvements in response accuracy for valid cues compared to invalid cues. By testing for cueing effects over a range of contrast levels wit...

journal_title：Vision research

authors： Pack W,Klein SA,Carney T

更新日期：2014-12-01 00:00:00

abstract：:The sustained component of visual attention lowers the perceptual threshold of stimuli located at the attended region. Attentional performance is not equal for all eccentric positions, leading to variations in perception. The location of the preferred retinal locus (PRL) for fixation might be influenced by these atten...

journal_title：Vision research

authors： Barraza-Bernal MJ,Ivanov IV,Nill S,Rifai K,Trauzettel-Klosinski S,Wahl S

更新日期：2017-11-01 00:00:00

abstract：:Three experiments were performed to verify O'Regan's (1979) [Perception & Psychophysics, 25 (6), 501-509] finding that in reading, the eye moves further forward when going towards the word 'THE' than when going towards a three-letter verb. The experiments were performed in French instead of English, and compared the p...

journal_title：Vision research

authors： Gautier V,O'Regan JK,Le Gargasson JF

更新日期：2000-01-01 00:00:00

abstract：:Since the first reports describing the injection of recombinant adeno-associated viral (AAV) vectors in the murine eye, the advancement of the field has been enormous resulting in the correction of several animal models of retinal diseases. The recent development of "pseudotyped" AAV vectors with transduction characte...

journal_title：Vision research

authors： Auricchio A

更新日期：2003-04-01 00:00:00

abstract：:A dominant mechanism of cellular patterning in the growing fish retina is control of cell fate acquisition by negative feedback signals arising from differentiated cells. We tested the ability of a computational model of this pattern formation mechanism to simulate cellular patterns in regenerated goldfish retina. The...

journal_title：Vision research

authors： Tyler MJ,Cameron DA

更新日期：2007-02-01 00:00:00

abstract：:Absorption of photons by pigments in photoreceptor cells results in photoisomerization of the chromophore, 11-cis-retinal, to all-trans-retinal and activation of opsin. Photolysed chromophore is converted back to the 11-cis-configuration via several enzymatic steps in photoreceptor and retinal pigment epithelial cells...

journal_title：Vision research

authors： Saari JC,Garwin GG,Van Hooser JP,Palczewski K

更新日期：1998-05-01 00:00:00

abstract：:Genetic analyses were performed on five male children (approximately 3 years), two suspect color-normals and three suspects for congenital color vision deficiencies. These classifications were based on visually-evoked potential (VEP) responses to M- and L-cone-isolating stimuli obtained in a previous study when each s...

journal_title：Vision research

authors： Bieber ML,Werner JS,Knoblauch K,Neitz J,Neitz M

更新日期：1998-11-01 00:00:00

abstract：:To investigate the mechanisms of perceptual learning, we recently introduced a paradigm in which incorrect, reverse feedback followed after some but not all vernier presentations. This feedback paradigm exerted a strong effect on performance that seemed to bias decisions rather than to yield perceptual learning. Here,...

journal_title：Vision research

authors： Herzog MH,Ewald KR,Hermens F,Fahle M

更新日期：2006-10-01 00:00:00

abstract：:Human beings perceive 3D shapes veridically, but the underlying mechanisms remain unknown. The problem of producing veridical shape percepts is computationally difficult because the 3D shapes have to be recovered from 2D retinal images. This paper describes a new model, based on a regularization approach, that does th...

journal_title：Vision research

authors： Li Y,Pizlo Z,Steinman RM

更新日期：2009-05-01 00:00:00

abstract：:Motion aftereffects (MAE) to drifting gratings were measured with a cancellation technique. For a constant adapting grating, MAE cancellation velocity increased linearly with visual field eccentricity. The slope of the function was dependent upon adapting temporal frequency. MAE velocity was independent of spatial fre...

journal_title：Vision research

authors： Wright MJ,Johnston A

更新日期：1985-01-01 00:00:00

abstract：:The transient system deficit hypothesis (TSDH) of specific reading disability [Percept. Psychophys. 40 (1986) 440] remains contentious. As part of a study examining multiple measures of transient and sustained system function, heterochromatic flicker matching (HFM) and brightness matching (HBM) were assessed in 30 poo...

journal_title：Vision research

authors： Floyd RA,Dain SJ,Elliott RT

更新日期：2004-01-01 00:00:00

abstract：:We present a method for recording eye-head movements with the magnetic search coil technique in a small external magnetic field. Since magnetic fields are typically non-linear, except in a relative small region in the center small field frames have not been used for head-unrestrained experiments in oculomotor studies....

journal_title：Vision research

authors： Thomassen JS,Benedetto GD,Hess BJ

更新日期：2010-06-18 00:00:00

abstract：:Unit responses susceptible to light stimulation of a small area on the frog's head were recorded in the deep encephalon of blinded specimens of Rana esculenta. The responses consisted of a spike discharge upon illumination. Using a threshold criterion the dark adaptation curves showed two parts, separated by a kink, t...

journal_title：Vision research

authors： Cadusseau J,Galand G

更新日期：1982-01-01 00:00:00

abstract：:Neurons involved in the transfer of rod signals to the ganglion cells in the retina of the cat have been recorded from and stained with horseradish peroxidase (HRP) and their synaptic connections determined by electron microscopy. The single morphological type of rod bipolar cell responds with a sustained hyperpolariz...

journal_title：Vision research

authors： Kolb H,Nelson R

更新日期：1983-01-01 00:00:00

abstract：:Pattern electroretinograms (PERGs) have been recorded in man and pigeon using phase reversing patterns. Studies were made in both species of the effect of grating spatial frequency, grating profile (sine or square) or the size of the squares of a checkerboard on the amplitude of the responses. The results obtained in ...

journal_title：Vision research

authors： Vaegan,Arden GB

更新日期：1987-01-01 00:00:00

abstract：:Following optic nerve crush in the adult lizard Ctenophorus ornatus, most retinal ganglion cells regrow their axons into visual brain centres: however, the regenerated projections lack retinotopic order and the animals are blind via the experimental eye. Here we have used 3H-thymidine autoradiography to demonstrate th...

journal_title：Vision research

authors： Beazley LD,Tennant M,Stewart TM,Anstee SD

更新日期：1998-03-01 00:00:00

abstract：:Different scenes contain varying cues to the direction of gravity. Do scenes with stronger cues differentially affect the ability of a scene to influence the direction of the Subjective Visual Vertical (SVV) and the Perceptual Upright (PU)? Using indoor, outdoor, natural and man-made scenes we asked participants to ju...

journal_title：Vision research

authors： Haji-Khamneh B,Harris LR

更新日期：2010-08-06 00:00:00

abstract：:We investigated temporal summation of the rods in a complete achromat, who lacks cone vision. Critical duration (tc) was estimated both at the achromat's preferred area of fixation and at an area 12 deg laterally in the nasal visual field. Comparable tc determinations were made in a normal trichromat. At background lu...

journal_title：Vision research

authors： Sharpe LT,Fach C,Nordby K

更新日期：1988-01-01 00:00:00

abstract：:Perceived contrast, contrast detection thresholds and contrast discrimination thresholds were measured in the presence and absence of surrounding patterns of a similar spatio-temporal makeup. In the foveal retina we found that the perceived contrast of the central pattern was reduced by the presence of the contrast su...

journal_title：Vision research

authors： Snowden RJ,Hammett ST

更新日期：1998-06-01 00:00:00

abstract：:Small disparity stimuli applied to large random-dot patterns elicit machine-like vergence eye movements at short latency. We have examined the sensitivity of these eye movements to simulated orthogonal tropias in three normal subjects by recording (1) the effects of vertical disparities on the initial horizontal verge...

journal_title：Vision research

authors： Yang DS,FitzGibbon EJ,Miles FA

更新日期：2003-02-01 00:00:00

abstract：:The activity of neurones in cat striate cortex in response to laterally moving sinusoidal gratings has been examined. The effect of prolonged visual stimulation with a high contrast moving grating stimulus of optimal orientation and spatial frequency was investigated in terms of the changes wrought in the relationship...

journal_title：Vision research

authors： Dean AF

更新日期：1983-01-01 00:00:00

abstract：:A rotating Pulfrich effect is described and analysed in relation to the Fertsch-Pulfrich latency difference theory. Although some of the predictions conflicted with observations described by Pulfrich [Naturwissenschaften 10, 553-564 (1922)], they were confirmed by experiment, and led to a simple and sensitive method o...

journal_title：Vision research

authors： Nickalls RW

更新日期：1986-01-01 00:00:00

abstract：:The purpose of this study was to examine if there is an ERG component (alpha-wave, b-wave, oscillatory potentials) which can be used to account for the intraretinal processing time. To address this issue, ERGs and LGN unit responses were recorded simultaneously from anesthetized and paralyzed rabbits. A gradual decrea...

journal_title：Vision research

authors： Benoit J,Lachapelle P

更新日期：1990-01-01 00:00:00

abstract：:In human subjects with peripheral retinal detachments, visual deficits are not restricted to the detached retina but are also present in the non-detached tissue. Based upon studies on a rabbit model of rhegmatogenous retinal detachment, we propose a glial cell-mediated mechanism of spread of retinal degeneration into ...

journal_title：Vision research

authors： Francke M,Faude F,Pannicke T,Uckermann O,Weick M,Wolburg H,Wiedemann P,Reichenbach A,Uhlmann S,Bringmann A

更新日期：2005-08-01 00:00:00

abstract：:Subjects were given reflexive- and voluntary-saccade tasks using five different gap intervals (0-500 ms) between the fixation point offset and the target onset and an overlap paradigm (i.e., the fixation point remained on during the target presentation). In the first experiment, targets were monocularly presented, and...

journal_title：Vision research

authors： Honda H

更新日期：2002-05-01 00:00:00

abstract：:In a series of experiments we compared orientation discrimination performance for Gabor stimuli in which the stimulus profile was either matched to the receptive field profile of single V1 simple cells ('simple'), or in which the carrier and envelope orientations were different ('tigertails'). In the first Experiment,...

journal_title：Vision research

authors： Morgan MJ,Mason AJ,Baldassi S

更新日期：2000-01-01 00:00:00

abstract：:In the classic double-step paradigm, subjects are required to make a saccade to a visual target that is briefly presented at one location and then shifted to a new location before the subject has responded. The saccades in this situation are "reflexive" in that they are made in response to the appearance of the target...

journal_title：Vision research

authors： Sheliga BM,Brown VJ,Miles FA

更新日期：2002-07-01 00:00:00