解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::A panel of anti-bovine rhodopsin monoclonal antibodies (MAbs) of defined site-specificity has been prepared and used for functional and topographic studies of rhodopsins. In order to select these antibodies, hybridoma supernatants that contained anti-rhodopsin antibodies have been screened by enzyme-linked immunosorbe...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90069-h
更新日期:1991-01-01 00:00:00
abstract::Horizontal single-step stimuli were presented to 19 subjects with congenital nystagmus (CN). When the stimulus jump was in the same direction as the waveform beat, spatial and temporal measurements of the responses revealed that saccades occurring between 90 and 180 msec after the stimulus were directed to an average ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90029-5
更新日期:1991-01-01 00:00:00
abstract::The topography of visual evoked potentials (VEP) is dependent on occipital lobe morphology. Using magnetic resonance imaging we examine the sulcal pattern (the calcarine and parieto-occipital sulci), and assess the size of the cuneus and the asymmetry of the occipital lobes, computed separately for its ventral and dor...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90019-2
更新日期:1991-01-01 00:00:00
abstract::Rapid texture segregation is examined using filtered noise textures. The stimuli consist of a foreground region of filtered noise with one dominant texture orientation against a background region with a different dominant orientation. Shape discrimination of the foreground region is measured as a function of the diffe...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90009-t
更新日期:1991-01-01 00:00:00
abstract::Experiments were performed to evaluate the spatial summation areas of the u.v.-, blue-, green- and red-sensitive cone mechanisms of goldfish. All the cone mechanisms were in compliance of Ricco's law, summing target radiance linearly over a certain range of target diameters with an average slope of 2.4. The critical d...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90106-f
更新日期:1991-01-01 00:00:00
abstract::Morphological patterns of the retina, cone size and density, rod density, rod-cone ratio, ganglion cell density, convergence of receptor cells, resolving power (RP) and regionalization were examined throughout life history in roach and in adults of asp, bream, common carp, roach and sabre carp. The retina of hatchling...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90091-i
更新日期:1991-01-01 00:00:00
abstract::The paper reports psychophysical experiments set up to study the visual cues used in texture discrimination. In particular, the special role of "textons", i.e. distinct visual features such as blobs of different size, lines at different orientation, line intersections ("crossings") and line ends ("terminators") which ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90120-t
更新日期:1991-01-01 00:00:00
abstract::In this study we describe a measurement method which closely approximates in vivo retinal thickness. Using this method we examined the laminar organisation of vascular and avascular retinae from placental and marsupial mammals. Thickness measurements on retinal wholemounts show that the avascular retinae of the placen...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90110-q
更新日期:1991-01-01 00:00:00
abstract::Characterization of the visual system as a linear system has many consequences. One property implied by such a characterization is that signal-to-noise ratio at threshold is constant, so that the contrast energy of a sinusoidal grating at threshold depends on the effective noise passed by the filter used to detect the...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90209-n
更新日期:1991-01-01 00:00:00
abstract::Prior research has suggested that two types of fast eye movements (FEMs) can be distinguished behaviorally. Foveating saccades respond to salient peripheral targets by directing the target image to the fovea. Non-foveating saccades include other FEMs such as nystagmus quick phase, saccades without visual stimuli and v...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90173-3
更新日期:1991-01-01 00:00:00
abstract::We use a difficult shape identification task to analyze how humans extract 3D surface structure from dynamic 2D stimuli--the kinetic depth effect (KDE). Stimuli composed of luminous tokens moving on a less luminous background yield accurate 3D shape identification regardless of the particular token used (either dots, ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90153-v
更新日期:1991-01-01 00:00:00
abstract::In the retina of Siberian sturgeon, three spectral classes of photoreceptors were identified by microspectrophotometry. These were rods, oil drop-containing and oil drop-free cones possessing P549, and oil drop-containing cones possessing P613 and P465. With intracellular recordings, rod-driven, cone-driven, and mixed...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90162-x
更新日期:1991-01-01 00:00:00
abstract::Recent work (Shimojo, Silverman & Nakayama, 1989; Vision Research, 29, 619-626) suggests that the visual system must discriminate between extrinsic boundaries (boundaries created by front occluding surfaces) and intrinsic boundaries (real object boundaries) in order to recognize objects and that this would importantly...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90191-7
更新日期:1991-01-01 00:00:00
abstract::Varying short-range apparent motion (AM) stimulus displacements from 2.7 to 21.6 min it was found that VEP amplitudes varied as a function of the limits for short-range AM described using time-till-breakdown as a behavioural measure of AM strength. This VEP amplitude difference was, however, in the reverse direction t...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90181-4
更新日期:1991-01-01 00:00:00
abstract::We examined the ability of observers to determine the vertical alignment of three Gabor patches (cosine gratings tapered in X and Y by Gaussians) when the grating within the middle patch was moving right or left. The comparison patches were flickered in counterphase, as was the test patch in a control condition. In al...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90138-u
更新日期:1991-01-01 00:00:00
abstract::Contrast modulation affords independent control of static contrast (C) and changes in contrast (delta C). We found that in anesthetized, paralyzed cats, the visual evoked potential (VEP) was dependent only on magnitude of delta C at each pattern transition, and was independent of the starting or ending contrast level....
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90128-r
更新日期:1991-01-01 00:00:00
abstract::The effects of the involuntary ocular oscillations on visual resolution was examined in 22 albinos and 11 idiopaths with congenital nystagmus. The idiopaths showed a linear relationship between the proportion of the slow phase spent at low velocities (less than or equal to deg/sec) and the log of the minimum angle of ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90063-b
更新日期:1991-01-01 00:00:00
abstract::Detection and discrimination of compound grating stimuli were examined in foveal and peripheral vision. At the fovea, stimuli containing two components (spatial frequencies F and 3F) can be discriminated on the basis of their relative spatial phase when the 3F component is at a contrast below its independent detection...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90053-8
更新日期:1991-01-01 00:00:00
abstract::A masking paradigm was employed to measure the spatial frequency selectivity of channels underlying human stereopsis. Observers viewed spatially filtered (0.4 octave bandwidth) random-dot stereograms in which a disparate bar appeared in either the top or bottom half of the display; superimposed on one RDS half-image w...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(91)90043-5
更新日期:1991-01-01 00:00:00
abstract::We measured two- and three-line spatial interval and alignment thresholds for a wide range of separations and eccentricities. In order to avoid confounding the role of separation and eccentricity, the test lines were presented on iso-eccentric arcs, with radii between 0.625 and 10 deg. The iso-eccentric paradigm allow...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90068-v
更新日期:1990-01-01 00:00:00
abstract::A simple electrophysiological method is described for determining the effective optical density of the intracellular pupil mechanism of insect photoreceptor cells. The method depends on the fact that the photoreceptors can not only be illuminated in the normal, orthodromic way, but also antidromically, i.e. from the b...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90178-n
更新日期:1990-01-01 00:00:00
abstract::The inheritance of Rayleigh match midpoints and photometric matches (551-667 nm) was studied in observers with normal color vision. An analysis was performed to evaluate whether the measured interobserver variations in these two traits were consistent with single gene allelic variation, polygenic variation, or environ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90134-7
更新日期:1990-01-01 00:00:00
abstract::Although previous research has shown that depth perception is weak for isoluminant stereograms, the possibility remains that color plays an important role in stereopsis when luminance variations are present. To examine this possibility, we measured the relative contribution of chromatic and luminance cues in solving t...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90015-d
更新日期:1990-01-01 00:00:00
abstract::There is a marked anisotropy in the perception of stereoscopic tilt: vertical gradients of horizontal disparity are more easily perceived than horizontal gradients. This could be explained if orientation disparity (the orientation difference in the two eyes' views of the same line) were one of the cues used to determi...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90159-i
更新日期:1990-01-01 00:00:00
abstract::This paper reports an improved paradigm to measure visible persistence. The stimulus is a pair of lines stroboscopically displayed in successive positions moving in opposite directions. The subjects' judgement of simultaneous appearance of all the presented lines is used to estimate visible persistence. This paradigm ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90058-s
更新日期:1990-01-01 00:00:00
abstract::This paper describes evidence for spatial aliasing in human motion perception. For a certain range of spatial frequencies, interference fringes drifting across the extrafoveal retina resemble two-dimensional spatial noise drifting in the opposite direction. For retinal locations within 10 deg of the fovea, the perceiv...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90149-f
更新日期:1990-01-01 00:00:00
abstract::In teleost retina, the receptive fields of horizontal cell axon terminals have a larger space constant than the receptive fields of the horizontal cell somata. Generally this difference in receptive field size is attributed to the cell coupling which is assumed to be stronger in the horizontal axon terminal network th...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90110-7
更新日期:1990-01-01 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
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90048-p
更新日期:1990-01-01 00:00:00
abstract::The role of eye-muscle potentiation in adaptation to prismatic tilt was evaluated by assessing the presence of cyclotorsion induced by prolonged wearing of tilting prisms. Fundus photographs, containing the retinal image of the test line adjusted to the subjective vertical, were obtained before and after prism viewing...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90103-r
更新日期:1990-01-01 00:00:00
abstract::The hyperpolarizing responses to light were recorded intracellularly from red cones of the turtle, Pseudemys scripta elegans. Pairs of slit stimuli were flashed alone or together at various intensities, one slit positioned on the receptive field center and the other displaced 30 microns. The peak amplitude of the resp...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90093-z
更新日期:1990-01-01 00:00:00
abstract::Perception of short-range motion was studied as a function of adapting luminance and of stimulus contrast in computer simulations and in psychophysical experiments. The stimuli were random dots plotted on an oscilloscope in two sequential frames, separated by an inter-stimulus interval (ISI). Both in the simulations a...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90083-w
更新日期:1990-01-01 00:00:00
abstract::In human far peripheral vision, drifting stimuli of particular periodicities appear to move in the opposite direction from their true direction of motion. This "reverse motion illusion" is a consequence of spatial undersampling of the retinal image. The illusion occurs for spatial frequencies an order of magnitude low...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90031-f
更新日期:1990-01-01 00:00:00
abstract::The main PERG component of the transient contrast reversal pattern electroretinogram (PERG) in cats was a negative wave (3.5 microV average, SD 1.7 microV) peaking at about 130 msec (N130) with a spatial resolution above 5.5 c/deg, close to behavioural estimates. The early positivity (P35) was more variable, smaller a...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90021-c
更新日期:1990-01-01 00:00:00
abstract::The orientation of the median plane of the eye with respect to the head varies with gaze direction according to Listing's Law. The subjective vertical (SV), however, is known to be only partially affected by these involuntary variations of eye orientation. In order to learn more about the compensatory process underlyi...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90041-i
更新日期:1990-01-01 00:00:00
abstract::Perception of directional motion was studied by displaying two images (F1 and F2) in rapid succession. The two images were identical except for a horizontal displacement of F2 with respect to F1. Observers reported the direction of horizontal motion over a wide range of displacements. The stimuli in Experiment 1 were ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(90)90008-9
更新日期:1990-01-01 00:00:00
abstract::When two sinusoidal gratings of the same orientation and similar spatial frequency are summed, the resulting pattern has a periodic spatial variation or beat in contrast. Although the pattern contains no luminance modulation component at the beat frequency, it behaves in some respects as if it did: human observers for...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(89)90035-7
更新日期:1989-01-01 00:00:00
abstract::Effects of glutamate and its agonists on horizontal cells appeared diversely when studied in turtle eyecup preparations. Consistent results were obtained when the isolated retina preparations were used. Not only kainate and quisqualate but also N-methyl-D-aspartate (NMDA) caused a sustained depolarization and light-ev...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(89)90002-3
更新日期:1989-01-01 00:00:00
abstract::The red, green, yellow, and blue curve portions of chromatic valence functions (CVFs) were measured by an iso-cancellation technique using three or four different chromatic standards (cancellation stimuli of fixed intensity and chromaticity) for each of the four curve portions. Curve shapes of the red, green, and yell...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(89)90070-9
更新日期:1989-01-01 00:00:00
abstract::We studied the detectability of dichoptically presented vertical grating patterns that varied in the ratio of the contrasts presented to the two eyes. The resulting threshold data fall on a binocular summation contour well described by a power summation equation with an exponent near 2. We studied the effect of adding...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(89)90060-6
更新日期:1989-01-01 00:00:00
abstract::Previous experiments testing grating and vernier acuities in albino central vision are consistent with the hypothesis that the deficit in their monocular spatial processing is mainly due to the increased spacing of their foveal cones. This was tested by measuring albino spatial frequency discrimination over the range ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/0042-6989(89)90138-7
更新日期:1989-01-01 00:00:00