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::Increment thresholds were measured over a range of adapting illuminances using a modified automated static perimeter. The data were fitted to a threshold versus intensity model (logT - logT(0) + log((A + A(0))/A(0))n) and the values logT(0) and logA(0) estimated. The effect of eccentricity and age on logT(0) and logA(...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.09.008
更新日期:2005-02-01 00:00:00
abstract::To examine how rod and cone function are differentially affected during retinal degeneration, and after subretinal cell grafting, we obtained light- and dark-adaptation curves by recording threshold multiunit responses from the superior colliculus of anesthetized rats. Unoperated RCS dystrophic and non-dystrophic rats...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.08.023
更新日期:2005-02-01 00:00:00
abstract::One cannot detect a white disk located at least 15 degrees from fixation in an intersection of gray alleys that define a grid of black squares. A psychophysical examination of the anatomical locus of this "blanking phenomenon" is reported here. Stimuli were presented dichoptically; disk threshold was measured with fix...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.08.003
更新日期:2005-01-01 00:00:00
abstract::Illusory contours (ICs) are thought to be a result of processes involved in the perceptual recovery of occluded surfaces. Here, we investigate the relationship between real and illusory contour perception using a shape discrimination task and backward masking paradigm. ICs can mask other ICs when times between mask on...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.07.034
更新日期:2005-01-01 00:00:00
abstract::The changes with age in the accommodation responses to dynamic stimuli can reveal useful information on the factors underlying presbyopia development. Analysis of the monocular accommodation responses of 19 normal observers (ages 18-49 years) to stimuli whose vergence varied sinusoidally with time at different tempora...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.07.016
更新日期:2004-12-01 00:00:00
abstract::While identified regions of human extrastriate visual cortex are functionally specialized for processing different attributes of an object, the cognitive and neural mechanisms by which these attributes are dynamically bound into integrated percepts are still largely mysterious. Here, we report that perceptual organiza...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.07.022
更新日期:2004-12-01 00:00:00
abstract::Image stability during self-motion is achieved via a combination of the optokinetic and vestibulo-ocular reflexes (OKR and VOR). To determine whether distinct neuronal mechanisms are used to calibrate eye movements driven by visual and vestibular signals, we examined the developmental maturation and adaptive plasticit...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.09.006
更新日期:2004-12-01 00:00:00
abstract::We recently found that the Rb protein is important for the regulation of retinal progenitor cell proliferation and rod photoreceptor development in the mouse retina. These two functions are separate for Rb and in this study we further characterize the role of Rb in retinal development. At postnatal day 12 in the retin...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.08.007
更新日期:2004-12-01 00:00:00
abstract::An earlier experiment using a yes-no procedure with a search accuracy task [A.L. Nagy, G. Thomas, Distractor heterogeneity, attention, and color in visual search tasks, Vision Research, 43 (2003) 1541-1552] showed that observers could combine information in different cardinal color mechanisms to facilitate search perf...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.05.031
更新日期:2004-11-01 00:00:00
abstract::The properties of small monochromatic targets as accommodative stimuli are not well understood. We used a dynamic optometer to record accommodation responses to monochromatic disc targets (1.0-27.3 min arc) and to a Maltese cross. Accommodation responded adequately to points as small as 13.6 min arc. The response to t...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.06.013
更新日期:2004-11-01 00:00:00
abstract::In stroboscopic conditions--such as motion pictures--rotating objects may appear to rotate in the reverse direction due to under-sampling (aliasing). A seemingly similar phenomenon occurs in constant sunlight, which has been taken as evidence that the visual system processes discrete "snapshots" of the outside world. ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.05.030
更新日期:2004-10-01 00:00:00
abstract::Most laboratory visual search tasks involve many searches for the same target, while in the real world we typically change our target with each search (e.g. find the coffee cup, then the sugar). How quickly can the visual system be reconfigured to search for a new target? Here observers searched for targets specified ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2003.11.024
更新日期:2004-06-01 00:00:00
abstract::One primary function of spatial attention is to exclude external noise [e.g., Psychol. Sci. 11(2) (2000) 139], especially in the region of the target stimulus [J. Vis. 2(4) (2000) 312]. What is not known is the spatial profile of external noise exclusion in the vicinity of the target and how this depends upon attentio...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.01.011
更新日期:2004-06-01 00:00:00
abstract::Edge integration refers to a hypothetical process by which the visual system combines information about the local contrast, or luminance ratios, at luminance borders within an image to compute a scale of relative reflectances for the regions between the borders. The results of three achromatic color matching experimen...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2003.12.004
更新日期:2004-05-01 00:00:00
abstract::Chromatic induction from patterned backgrounds depends on the spatial as well as the chromatic aspects of the background light. Color appearance with patterned and uniform backgrounds was compared using chromaticities distinguished by only the S cones; all backgrounds were equivalent to equal-energy white in terms of ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2003.11.004
更新日期:2004-04-01 00:00:00
abstract::We observed that presenting a low-contrast Gabor patch (2 cpd, 5 degrees eccentricity, contrast=4%) for 8 s and then flashing a 20-30 ms high-contrast patch over it could elicit the perceptual disappearance of a subsequent low-contrast stimulus, whereas neither low-contrast adaptation nor high-contrast flash alone had...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2003.10.005
更新日期:2004-03-01 00:00:00
abstract::The study examines age-dependent changes of kynurenic acid (KYNA) content and kynurenine aminotransferases (KAT I and KAT II) celluar expression in the retinas of DBA/2J mice. Retinas were obtained from DBA/2J mice of different ages (3, 6 and 11 months). C57BL6 mice were used as controls. As measured with HPLC, KYNA c...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2003.11.003
更新日期:2004-03-01 00:00:00
abstract::We recently reported that different purification methods of recombinant adeno-associated virus type 2 (rAAV2) affect the transduction characteristics following subretinal injection. In this study, we examined the roles of contaminant proteins from the HEK-293 cells and helper adenovirus, inactivation of helper adenovi...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2003.09.032
更新日期:2004-02-01 00:00:00
abstract::The contrast transducer function (d' vs. contrast) for sine gratings was claimed to come up from some non-zero contrast value rather than from the origin. This implies that there is a point (a hard threshold) on the grating contrast axis below which observers could not distinguish between presentations containing grat...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2003.09.015
更新日期:2004-02-01 00:00:00
abstract::A visual transient due to a sudden visual change is generally considered to draw our attention to a location of interest. In a series of experiments we investigated how visual transients facilitate change detection in a scene. In line with earlier reports, we found that a transient sensation has its roots in a tempora...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.04.005
更新日期:2004-01-01 00:00:00
abstract:PURPOSE:The mouse eye has potential to become an important model for studies on the genetic control of eye growth and myopia. However, no data are published on the development of its optical properties. We developed a paraxial schematic model of the growing eye for the most common laboratory mouse strain, the C57BL/6 m...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.03.011
更新日期:2004-01-01 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
pub_type: 杂志文章
doi:10.1016/j.visres.2003.09.002
更新日期:2004-01-01 00:00:00
abstract::It was hypothesized that egg-laying Papilio butterflies could use polarizational colours as a cue to detect leaf orientation and to discriminate between shiny and matt leaves. These hypotheses would be supported if the following general questions were answered positively: (1) Can surface orientation be unambiguously c...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.05.004
更新日期:2004-01-01 00:00:00
abstract:PURPOSE:A major drawback of the mouse model of myopia is that the ocular dimensions cannot be measured in vivo, and that histological techniques post-mortem suffer from limited resolution. We have tested the potential of a newly developed technique, optical low coherence interferometry (OLCI), adapted for short measure...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.05.018
更新日期:2004-01-01 00:00:00
abstract::The purpose of this study was to demonstrate the effect of human magnocellular (M)-pathway disruption on global motion perception. Coherence thresholds for global motion direction discrimination in random dot patterns were determined at slow and moderate dot speeds: (1) after adaptation to full-field sinusoidal flicke...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.06.003
更新日期:2004-01-01 00:00:00
abstract::When each eye is confronted with a dissimilar stimulus, the percept will generally alternate between the two. This phenomenon is known as binocular rivalry. Although binocular rivalry occurs at locations where targets overlap spatially, the area surrounding rivalrous targets can modulate their dominance. Here we show ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.02.007
更新日期:2004-01-01 00:00:00
abstract::Two experiments are reported in which observers judged the sign and magnitude of surface curvature from shaded images of an indoor scene. The depicted surfaces were illuminated by an area light in the ceiling or floor, and the illumination was attenuated with distance in a physically correct manner. The displays were ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.03.024
更新日期:2004-01-01 00:00:00
abstract::There is an ongoing debate on whether binocular rivalry involves competition among monocular cells or binocular cells. We investigated this issue psychophysically with two specially designed test stimuli. One test stimulus contained monocular motion signals but greatly reduced binocular motion signals, while the other...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2003.08.007
更新日期:2004-01-01 00:00:00
abstract::To study the ability of humans to read subtle changes in facial expression, we applied reverse correlation technique to reveal visual features that mediate understanding of emotion expressed by the face. Surprising findings were that (1) the noise added to a test face image had profound effect on the facial expression...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2003.11.027
更新日期:2004-01-01 00:00:00
abstract:UNLABELLED:Taurine transporter knockout mice show severe retinal degeneration at an early age. The study was designed to determine whether degeneration also takes place in the absence of light. Mice were maintained up to 6 weeks of age in cyclic lighting or in total darkness. Degeneration took place in both groups, but...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.03.027
更新日期:2004-01-01 00:00:00
abstract::Motion aftereffects are normally tested in regions of the visual field that have been directly exposed to motion (local or concrete MAEs). We compared concrete MAEs with remote or phantom MAEs, in which motion is perceived in regions not previously adapted to motion. Our aim was to study the spatial dependencies and s...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2004.04.001
更新日期:2004-01-01 00:00:00
abstract::Previous studies [e.g. Vision Research 40 (2000) 173] have shown that when observers are required to selectively attend to one of two, spatially-adjacent patches containing either first-order (luminance-defined) or second-order (contrast-defined) motion, threshold sensitivity for identifying the direction of second-or...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2003.07.005
更新日期:2003-12-01 00:00:00
abstract::The visual cycle system in a primitive chordate, ascidian Ciona intestinalis, was studied by whole-mount in situ hybridization and by whole-mount immunohistochemistry. Three visual cycle proteins, Ciona homologue of RGR (Ci-opsin3), CRALBP (Ci-CRALBP), and BCO/RPE65 (Ci-BCO/RPE65) were widely distributed in the brain ...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/j.visres.2003.09.012
更新日期:2003-12-01 00:00:00
abstract::Some theories for visual receptive fields postulate that they depend on the image statistics of the natural habitat. Consequently, different habitats may lead to different receptive fields. We thus decided to study how some of the most relevant statistics vary across habitats. In particular, atmospheric and underwater...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/s0042-6989(03)00471-1
更新日期:2003-11-01 00:00:00
abstract::Reaction times (RTs) are obtained for a wide range of contrasts of vertical sinusoidal gratings. The data are plotted as a function of the reciprocal of contrast. In some conditions, a single linear function accounts for the data. In others a clear bi-linear function is obtained. The low and high contrast regions of t...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/s0042-6989(03)00408-5
更新日期:2003-11-01 00:00:00
abstract::The effect of perspective transformation on transfer of face training was investigated in a yes/no recognition task using face stimuli with 42 degrees, 10 degrees, or no perspective convergence. A strong dependence of recognition performance on the magnitude of perspective transformation was found, with large perspect...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/s0042-6989(03)00429-2
更新日期:2003-10-01 00:00:00
abstract::To study the L- and M-cone pathways and their interactions in patients with cone and cone-rod dystrophies, ERG responses were measured to stimuli which modulated exclusively the L- or the M-cones, or the two simultaneously. The L- and M-cone driven ERG amplitudes were considerably reduced in the patients. The mean pha...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/s0042-6989(03)00411-5
更新日期:2003-10-01 00:00:00
abstract::Studies of high-level models of visual object categorization have left unresolved issues of neurobiological relevance, including how features are extracted from the image and the role played by memory capacity in categorization performance. We compared the ability of a comprehensive set of models to match the categori...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/s0042-6989(03)00279-7
更新日期:2003-09-01 00:00:00
abstract::We describe an architecture for invariant visual detection and recognition. Learning is performed in a single central module. The architecture makes use of a replica module consisting of copies of retinotopic layers of local features, with a particular design of inputs and outputs, that allows them to be primed either...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/s0042-6989(03)00306-7
更新日期:2003-09-01 00:00:00
abstract::We consider how local motion signals are combined to represent the movements of spatially extensive objects. A series of band-pass target dots, whose collective motion defined a moving contour, was positioned within a field of randomly moving noise dots. The visibility of the contours did not depend on the direction o...
journal_title:Vision research
pub_type: 杂志文章
doi:10.1016/s0042-6989(03)00329-8
更新日期:2003-09-01 00:00:00