Transient enhancing of cone electroretinograms following exposure to brighter photopic backgrounds.

abstract：:This is the first study to demonstrate the selectivity of learning for contrast polarity. The finding is the main result of an investigation into the existence of central and peripheral vision mechanisms selective for contrast polarity within the texture-segregation process, using the perceptual learning paradigm in a...

journal_title：Vision research

authors： Grieco A,Casco C,Roncato S

更新日期：2006-10-01 00:00:00

abstract：:By inducing feature-contingent depth aftereffects, we show that the human visual system combines feature information with depth information. These contingent aftereffects were revealed through the use of a novel selective adaptation paradigm whose stimuli required the combination of feature and depth information in or...

journal_title：Vision research

authors： Blaser E,Domini F

更新日期：2002-02-01 00:00:00

abstract：:Previously Gysen, De Graef, and Verfaillie [Vision Research 42 (2002) 379] showed that, with stimulus displays presenting one stationary and one translating object, sensitivity for intrasaccadic displacements was higher for translating than for stationary objects. In the present paper the importance of the relative en...

journal_title：Vision research

authors： Gysen V,Verfaillie K,De Graef P

更新日期：2002-06-01 00:00:00

abstract：:Several studies have found that individuals from small hometowns show diminished face recognition ability as compared with individuals from larger hometowns. We further this line of research by relating six measures of face recognition ability to hometown density. We predicted that the three face recognition ability m...

journal_title：Vision research

authors： Sunday MA,Patel PA,Dodd MD,Gauthier I

更新日期：2019-10-01 00:00:00

abstract：:In masked priming, a briefly presented prime can facilitate or inhibit responses to a subsequent target. In most instances, targets with an associated response that is congruent with the prime direction speed up reaction times to the target (a positive compatibility effect; PCE). However, under certain circumstances, ...

journal_title：Vision research

authors： Misirlisoy E,Hermens F,Stavrou M,Pennells J,Walker R

更新日期：2014-03-01 00:00:00

abstract：:Photic responsiveness of cells in the medial bank of the lateral suprasylvian cortex (Clare-Bishop area) was studied using a three-dimensional visual stimulator that reproduced two visual cues (motion disparity and change in size) for perception of three-dimensional motion of a visual stimulus. About one third of them...

journal_title：Vision research

authors： Toyama K,Komatsu Y,Kasai H,Fujii K,Umetani K

更新日期：1985-01-01 00:00:00

abstract：:A modified version of the 'path finder' display consisting of many small oriented Gabor patches was used to study the joint contributions of spatial and temporal structures to shape perception. A two-interval forced-choice procedure measured detectability of curved 'paths' defined by orientation ('good continuation') ...

journal_title：Vision research

authors： Lee SH,Blake R

更新日期：2001-07-01 00:00:00

abstract：:The sensitivity of X- and Y-cells in the dorsal lateral geniculate nucleus of the cat to small, temporally modulated displacements of grating stimuli was measured at 0.175, 0.25, 0.50, 1.00, and 2.00 c/deg. For every cell, two threshold measures were determined: first, a contrast threshold with a counterphase grating ...

journal_title：Vision research

authors： Moss CF,Lehmkuhle S

更新日期：1986-01-01 00:00:00

abstract：:This study examines how salience and a center bias drive infants' first fixation while looking at complex scenes. Adults are known to have a strong center bias, their first point of gaze is nearly always in the center of the scene. The center bias is likely to be a strategic bias, as looking towards the center minimiz...

journal_title：Vision research

authors： van Renswoude DR,van den Berg L,Raijmakers MEJ,Visser I

更新日期：2019-01-01 00:00:00

abstract：:To investigate the effects of colour upon motion detection, the short-range motion displacement limit (Dmax) was determined using two-frame kinematograms in which the two classes of square comprising the pattern differed both in luminance and in colour. In the second motion frame, the squares retained either the same ...

journal_title：Vision research

authors： Morgan MJ,Cleary R

更新日期：1992-05-01 00:00:00

abstract：:Motion perception influences perceived position. It has been shown that first-order (luminance defined) motion shifts perceived position across a wide range of spatial and temporal frequencies. On the other hand, second-order (contrast defined) motion shifts perceived position over a narrow range of temporal frequenci...

journal_title：Vision research

authors： Pavan A,Mather G

更新日期：2008-09-01 00:00:00

abstract：:Thresholds for detecting brief, white, foveal test flashes drop abruptly within 0.2 sec of the offset of a white adapting field. The magnitude of the abrupt drop is proportional to the square root of field intensity (square root of I) correct for bleaching and dark light. Thresholds are then stable out to 1.6 sec for ...

journal_title：Vision research

authors： Reeves A,Wu S,Schirillo J

更新日期：1998-03-01 00:00:00

abstract：:The visual pigments in the rods do not have a special absorption that gives them maximal sensitivity. The visual pigments of "deep sea" fish are an exception for these do match the environmental light to give maximum sensitivity. At the low light intensities at which the rods operate, it is the number of photons that ...

journal_title：Vision research

authors： Lythgoe JN

更新日期：1984-01-01 00:00:00

abstract：:The contrast of a two-dimensional compound grating consisting of 2, 3 or 4 components with the same spatial frequency but different orientations was matched to the contrast of a simple cosine grating. At all spatial frequencies and contrast levels studied the stimuli which matched in apparent contrast had nearly equal...

journal_title：Vision research

authors： Tiippana K,Näsänen R,Rovamo J

更新日期：1994-05-01 00:00:00

abstract：:The properties of impulse responses of blowfly photoreceptors in light and dark adaptation were studied with brief (30 mu sec) white light flashes applied with different repetition frequencies, thereby producing a range of interstimulus periods (ISPs) from 200 msec to 100 sec. The amplitude of the impulse response as ...

journal_title：Vision research

authors： Weckström M

更新日期：1989-01-01 00:00:00

abstract：:Gratings that differ in orientation by as much as 62.5 deg from that of a signal grating raise the signal's threshold by nearly a log unit. The spatial-frequency tuning of the masking effect reaches a maximum slightly below the spatial frequency of the maskers but far from that of any quadratic distortion product. Fur...

journal_title：Vision research

authors： Derrington AM,Henning GB

更新日期：1989-01-01 00:00:00

abstract：:Local-motion information can provide either 1-dimensional (1D) or 2-dimensional (2D) solutions. 1D signals occur when the aperture problem has not been solved, so each signal is an estimate of the local-orthogonal component of the object's motion. 2D signals occur when the aperture problem has been solved, so each sig...

journal_title：Vision research

authors： Edwards M,Cassanello CR,Badcock DR,Nishida S

更新日期：2013-01-14 00:00:00

abstract：:This study compared color appearance data for two populations of middle-aged women: (1) women using the selective estrogen receptor modulator tamoxifen as adjuvant therapy following successful treatment for early-stage breast cancer, and (2) healthy amenorrheic (peri- or post-menopausal) control subjects not using any...

journal_title：Vision research

authors： Eisner A,Incognito LJ

更新日期：2006-05-01 00:00:00

abstract：:The distribution of endothelial nitric oxide synthase immunoreactivity (eNOS-IR) was investigated in the retinas of all phylogenetic vertebrate classes by using a monoclonal eNOS antibody. Confocal light microscopy showed immunoreactive labeling in Müller cells of fish, frog, salamander, turtle, chicken, rat, ground s...

journal_title：Vision research

authors： Haverkamp S,Kolb H,Cuenca N

更新日期：1999-07-01 00:00:00

abstract：:Edge detection is widely believed to be an important early stage in human visual processing. However, there have been relatively few attempts to map human edge detection filters. In this study, observers had to locate a randomly placed step edge in brown noise (the integral of white noise) with a 1/f2 power spectrum. ...

journal_title：Vision research

authors： McIlhagga W

更新日期：2018-12-01 00:00:00

abstract：:In order to assess the contribution of high spatial frequency channels (i.e. local, edge-dependent mechanisms) to the grating induction effect, grating induction magnitude was measured as a function of systematic amounts of blurring of the inducing/test field boundary for four test field heights which spanned a two oc...

journal_title：Vision research

authors： McCourt ME,Blakeslee B

更新日期：1993-12-01 00:00:00

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：:We compared the thresholds and response properties of extracellularly recorded retinal ganglion cells (RGCs) in wild-type and rd1 mouse retinas to electrical stimulation of the retinal neural network. Retinas were stimulated in vitro with biphasic current pulses (1 ms/phase) applied with a 400-microm diameter, subreti...

journal_title：Vision research

authors： Jensen RJ,Rizzo JF 3rd

更新日期：2008-06-01 00:00:00

abstract：:Electroretinographic responses (ERGs) have been recorded from the cornea of the little owl (Athene noctua) in response to single light flashes and to alternating sinusoidal gratings (pattern) at different levels of light adaptation. Both flash- and pattern-evoked ERGs show scotopic as well as photopic components. The ...

journal_title：Vision research

authors： Porciatti V,Fontanesi G,Bagnoli P

更新日期：1989-01-01 00:00:00

abstract：:Four experiments are reported in which saccadic eye movements are examined when the eye moves to targets in peripheral vision which consist of two discrete stimuli. It is found that under a variety of conditions, the saccade amplitude is such that the saccade lands at an intermediate position between the stimuli. This...

journal_title：Vision research

authors： Findlay JM

更新日期：1982-01-01 00:00:00

abstract：:A variable pupil generally regulates the amount of incoming light available for image formation on the retina. However, some of the semi-aquatic snakes (North American Gartersnakes, Thamnophis) that forage in relatively low light conditions reduce the pupil aperture in response to submergence underwater at the expense...

journal_title：Vision research

authors： Fontenot CL Jr

更新日期：2008-07-01 00:00:00

abstract：:Previous studies of peripheral vision have shown that detection acuity is superior to resolution acuity for gratings over a range of contrasts, which is attributed to different limiting mechanisms (contrast insufficiency and neural undersampling) for the two tasks. To extend the analysis to letters in a way that avoid...

journal_title：Vision research

authors： Demirel S,Anderson RS,Dakin SC,Thibos LN

更新日期：2012-04-15 00:00:00

abstract：:The present investigation is aimed at characterizing the development of ON and OFF visually evoked responses in the rat superior colliculus from postnatal day 13 (P13) to postnatal day 25. Depth profiles of field potentials reveal that ON and OFF long latency biphasic field potentials are already present when collicul...

journal_title：Vision research

authors： Fortin S,Itaya SK,Chemtob S,Molotchnikoff S

更新日期：1997-11-01 00:00:00

abstract：:Existing models for the generation of saccades predict fixed trajectories between start and landing positions of saccades. Experimental data show that saccades have rather variable trajectories. The objective of the present research is to quantify the variability in trajectories of binocular saccades and to test in ho...

journal_title：Vision research

authors： Erkelens AJ,Sloot OB

更新日期：1995-12-01 00:00:00

abstract：:It has been known for some time that visual acuity in amblyopia is higher for single letters than for letters in a row (termed crowding). Early work showed that this could not be accounted for on the basis of the destructive interaction of adjacent contours (termed contour interaction), which was shown to be, in resol...

journal_title：Vision research

authors： Hess RF,Dakin SC,Tewfik M,Brown B

更新日期：2001-08-01 00:00:00