Whole-cell recording of light-evoked photoreceptor responses in a slice preparation of the cuttlefish retina.

abstract：:Alpha ganglion cells from the midperiphery of the rabbit retina were recorded intracellularly under visual control, in a superfused everted eyecup, and labeled with HRP. Their physiology and large somata with broad dendritic arbors identified them as uniform populations of ON- and OFF-center alpha ganglion cells, whic...

journal_title：Visual neuroscience

authors： Muller JF,Dacheux RF

更新日期：1997-03-01 00:00:00

abstract：:Activity at night in efferent nerve fibers from a central circadian clock produces changes in photoreceptor function in the lateral compound eye of Limulus: the response to light is increased; membrane potential fluctuations (bumps) occurring in the dark are suppressed; and the duration of bumps occurring both in the ...

journal_title：Visual neuroscience

authors： Renninger GH,Schimmel R,Farrell CA

更新日期：1989-08-01 00:00:00

abstract：:Wide-field cone bipolar cells with sparse dendritic branching and proposed connectivity to blue cones were first identified in rabbit and cat. In rabbit, these were subdivided into type a (wa) and type b (wb), with axonal branching in sublamina a, and sublamina b, respectively, of the inner plexiform layer (IPL). Rece...

journal_title：Visual neuroscience

authors： Famiglietti EV

更新日期：2008-01-01 00:00:00

abstract：:Anterograde transport of cholera toxin subunit B (CTb) was used to study the retinal projections in birds, with an emphasis on retinohypothalamic connections. Pigeons (Columbia livia) were deeply anesthetized and received unilateral intraocular injections of CTb. In addition to known contralateral retinorecipient regi...

journal_title：Visual neuroscience

authors： Shimizu T,Cox K,Karten HJ,Britto LR

更新日期：1994-05-01 00:00:00

abstract：:The topographical distributions of the relative ratio of long- (L) and middle- (M) wavelength sensitive cone opsin messenger RNA (mRNA) in human and baboon retinas were mapped using real-time polymerase chain reaction. The L:M mRNA ratio increased in a central-to-peripheral gradient in both species, being quite pronou...

journal_title：Visual neuroscience

authors： Neitz M,Balding SD,McMahon C,Sjoberg SA,Neitz J

更新日期：2006-05-01 00:00:00

abstract：:Horizontal cells and cone photoreceptors in the vertebrate retina are interconnected by a complex network of synapses leading to the generation of color-coded responses in chromaticity horizontal cells. A simple cascade model of excitatory feedforward and inhibitory feedback synapses had been suggested to underlie the...

journal_title：Visual neuroscience

authors： Asi H,Perlman I

更新日期：1998-01-01 00:00:00

abstract：:Receptive field organization of cone-driven bipolar cells was investigated by intracellular recording in the intact light-adapted retina of the tiger salamander (Ambystoma tigrinum). Centered spots and concentric annuli of optimum dimensions were used to selectively stimulate the receptive field center and surround wi...

journal_title：Visual neuroscience

authors： Burkhardt DA,Bartoletti TM,Thoreson WB

更新日期：2011-05-01 00:00:00

abstract：:AMPA-selective glutamate receptors play a major role in glutamatergic neurotransmission in the retina and are expressed in a variety of neuronal subpopulations. In the present study, immunocytochemical techniques were used to visualize the distribution of GluR2 and GluR4 subunits in the cat retina. Results were compar...

journal_title：Visual neuroscience

authors： Qin P,Pourcho RG

更新日期：1999-11-01 00:00:00

abstract：:Surround enhancement (sensitization) is a poorly understood form of network adaptation in which the kinetics of the responses of retinal neurons to test stimuli become faster, and absolute sensitivity of the responses increases with increasing level of steady, surrounding light. Surround enhancement has been observed ...

journal_title：Visual neuroscience

authors： Reifsnider ES,Tranchina D

更新日期：1995-11-01 00:00:00

abstract：:We studied the development of multibank rod retinae by monitoring the size-related addition of new layers of rod inner and outer segments in four species of deep-sea fishes and found two different growth paradigms. In the mesopelagic Chauliodus sloani, new banks of rod inner and outer segments are added as long as the...

journal_title：Visual neuroscience

authors： Fröhlich E,Wagner HJ

更新日期：1998-05-01 00:00:00

abstract：:Recently, we introduced a phototransduction model that was able to account for the reproducibility of vertebrate rod single-photon responses (SPRs) (Hamer et al., 2003). The model was able to reproduce SPR statistics by means of stochastic activation and inactivation of rhodopsin (R*), transducin (G alpha ), and phosp...

journal_title：Visual neuroscience

authors： Hamer RD,Nicholas SC,Tranchina D,Lamb TD,Jarvinen JL

更新日期：2005-07-01 00:00:00

abstract：:Simple reaction times (RTs) were measured to brief temporally blurred (total onset 570 ms) Gaussian isoluminant chromatic patches (s.d. 0.5 degrees) whose chromaticities lay along the cardinal chromatic axes (0 degrees, 90 degrees, 180 degrees, and 270 degrees in MBDKL color space). Bipolar adapting stimuli were emplo...

journal_title：Visual neuroscience

authors： Parry NR,Murray IJ,McKeefry DJ

更新日期：2008-05-01 00:00:00

abstract：:In human subjects, the blind spot is perceptually filled-in by color and brightness from the surrounding visual field. The present behavioral study examined the occurrence of color filling-in at the blind spot in monkeys. First, the location of the blind spot was determined using a monocular saccade task. The blind sp...

journal_title：Visual neuroscience

authors： Komatsu H,Murakami I

更新日期：1994-11-01 00:00:00

abstract：:Some visual stimuli produce a strong percept of motion, even though they fail to excite motion detectors based on Fourier energy or cross correlation. Models which suffice to explain the motion percept in these non-Fourier motion (NFM) stimuli include linear spatiotemporal filtering, followed by rectification, followe...

journal_title：Visual neuroscience

authors： Victor JD,Conte MM

更新日期：1992-08-01 00:00:00

abstract：:Following up on a prior study of contour and brightness processing in visual masking (Breitmeyer et al., 2006), we investigated the effects of a binocular and dichoptic para-contrast masking on the visibility of the contour and brightness of a target presented to the other eye. Combined, the results support the contri...

journal_title：Visual neuroscience

authors： Breitmeyer BG,Ziegler R,Hauske G

更新日期：2007-03-01 00:00:00

abstract：:It is widely accepted that human color vision is based on two types of cone-opponent mechanism, one differencing L and M cone types (loosely termed "red-green"), and the other differencing S with the L and M cones (loosely termed "blue-yellow"). The traditional view of the early processing of human color vision sugges...

journal_title：Visual neuroscience

authors： Sankeralli MJ,Mullen KT

更新日期：2001-01-01 00:00:00

abstract：:We investigated whether regenerating mature axons recapitulate embryonic features essential to successful reconnectivity within the injured nervous system. Strips from embryonic and adult chick retinae were cultured, and outgrowing axons were examined morphometrically and immunohistochemically. In addition, the target...

journal_title：Visual neuroscience

authors： Vanselow J,Müller B,Thanos S

更新日期：1991-06-01 00:00:00

abstract：:Although excitotoxins derived from acidic amino acids are known to damage neurons in the inner nuclear and ganglion cell layers of the retina, little is known about their effects on photoreceptors. This study examines the acute and long-term effects of excitotoxins on photoreceptors of the chick retina. The zinc-iodid...

journal_title：Visual neuroscience

authors： Sattayasai J,Zappia J,Ehrlich D

更新日期：1989-01-01 00:00:00

abstract：:Absorbance spectra of cone outer segments and oil droplets were recorded microspectrophotometrically in the retina of the red-eared turtle, Trachemys scripta elegans. There are four cone visual pigments, with lambda(max) = 617 nm (red sensitive), 515 nm (green sensitive), 458 nm (blue sensitive), and 372 nm (UV-sensit...

journal_title：Visual neuroscience

authors： Loew ER,Govardovskii VI

更新日期：2001-09-01 00:00:00

abstract：:Agrin is a large extracellular matrix protein that directs the accumulation of acetylcholine receptors at the neuromuscular junction. Recent evidence suggests that agrin may be involved in organizing synapses in the visual system as well. Focussing on the pathway that controls accommodation and pupilloconstriction, th...

journal_title：Visual neuroscience

authors： McAvoy M,Smith MA,Fujii JT

更新日期：1996-03-01 00:00:00

abstract：:Rod and cone photoresponses in a variety of species have been accurately described with linear multistage filter models. In this study, the response latency and initial coding of intensity at two higher levels of visual processing are related to such photoreceptor responses. One level is the retinal output (spiking di...

journal_title：Visual neuroscience

authors： Donner K

更新日期：1989-07-01 00:00:00

abstract：:A series of psychophysical tests examining early and later aspects of image-motion processing were conducted in a patient with bilateral lesions involving the posterior visual pathways, affecting the lateral parietal-temporal-occipital cortex and the underlying white matter (as shown by magnetic resonance imaging stud...

journal_title：Visual neuroscience

authors： Vaina LM,Lemay M,Bienfang DC,Choi AY,Nakayama K

更新日期：1990-10-01 00:00:00

abstract：:The technique of current source-density analysis was applied to several components of the light-evoked field potentials (electroretinogram) from the retina of the superfused eyecup of rabbit. The depth distributions of the major current sources and sinks were: b-wave--sink at outer plexiform layer, source at inner ple...

journal_title：Visual neuroscience

authors： Karwoski CJ,Xu X

更新日期：1999-03-01 00:00:00

abstract：:Inhibitory synaptic transmission via GABA and glycine receptors plays a crucial role in shaping the excitatory response of neurons in the retina. Whole-cell recordings were obtained from ganglion cells in the intact rabbit eyecup preparation to correlate GABA- and glycine-activated currents with the presence of their ...

journal_title：Visual neuroscience

authors： Rotolo TC,Dacheux RF

更新日期：2003-05-01 00:00:00

abstract：:We examined cytochrome oxidase (CO) activity in striate cortex of four macaque monkeys after monocular enucleation at ages 1, 1, 5, and 12 weeks. These animal experiments were performed to guide our interpretation of CO patterns in occipital lobe specimens obtained from two children who died several years after monocu...

journal_title：Visual neuroscience

authors： Horton JC,Hocking DR

更新日期：1998-03-01 00:00:00

abstract：:By establishing an avascular, highly elastic, region within the fetal area of high acuity (AHA), the developing primate eye has created a unique substrate on which the mechanical forces of intraocular pressure (IOP) and growth-induced retinal stretch (stretch) can act. We proposed (Springer & Hendrickson, 2004b) that ...

journal_title：Visual neuroscience

authors： Springer AD,Hendrickson AE

更新日期：2005-03-01 00:00:00

abstract：:Unilateral retinal impulse blockage with tetrodotoxin (TTX) induces reversible shrinkage and decreased cytochrome oxidase (CO) activity in alternate rows of supragranular, CO-rich puffs in the adult macaque striate cortex (Wong-Riley & Carroll, 1984b: Carroll & Wong-Riley, 1987). The present study extended the finding...

journal_title：Visual neuroscience

authors： Wong-Riley MT,Trusk TC,Tripathi SC,Hoppe DA

更新日期：1989-01-01 00:00:00

abstract：:Using suction electrodes, photocurrent responses to 100-ms saturating flashes were recorded from isolated retinal rods of the larval-stage tiger salamander (Ambystoma tigrinum). The delay period (Tc) that preceded recovery of the dark current by a criterion amount (3 pA) was analyzed in relation to the flash intensity...

journal_title：Visual neuroscience

authors： Pepperberg DR,Cornwall MC,Kahlert M,Hofmann KP,Jin J,Jones GJ,Ripps H

更新日期：1992-01-01 00:00:00

abstract：:Lesion or inactivation of the superior colliculus (SC) of the cat results in an animal that fails to orient toward peripheral visual stimuli which normally evoke a brisk, reflexive orienting response. A failure to orient toward a visual stimulus could be the result of a sensory impairment (a failure to detect the visu...

journal_title：Visual neuroscience

authors： Fitzmaurice MC,Ciaramitaro VM,Palmer LA,Rosenquist AC

更新日期：2003-11-01 00:00:00

abstract：:Many cell types in the retina are coupled via gap junctions and so there is a pressing need for a potent and reversible gap junction antagonist. We screened a series of potential gap junction antagonists by evaluating their effects on dye coupling in the network of A-type horizontal cells. We evaluated the following c...

journal_title：Visual neuroscience

authors： Pan F,Mills SL,Massey SC

更新日期：2007-07-01 00:00:00