Kainate receptor-mediated synaptic currents in mudpuppy inner retinal neurons reduced by D-O-phosphoserine.

abstract：:The role of potassium channels in regulating spontaneous firing and sound-evoked responses in the central nucleus of the inferior colliculus was studied by recording single-unit activity before and during iontophoretic application of a nonspecific potassium channel blocker, tetraethylammonium (TEA). Tone bursts and si...

journal_title：Journal of neurophysiology

authors： Zhang H,Wu SH,Kelly JB

更新日期：2004-05-01 00:00:00

abstract：:1. A generalized three-dimensional state space model of visual vestibular interaction was developed. Matrix and dynamical system operators associated with inputs from the semicircular canals, otolith velocity estimator, and the visual system have been incorporated into the model, which focus on their relationship to t...

journal_title：Journal of neurophysiology

authors： Raphan T,Sturm D

更新日期：1991-10-01 00:00:00

abstract：:Previous studies have described maturational changes in GABAergic inhibitory synaptic transmission in the rodent somatosensory cortex during the early postnatal period. To determine whether alterations in the functional properties of synaptically localized GABA(A) receptors (GABA(A)Rs) contribute to development of inh...

journal_title：Journal of neurophysiology

authors： Dunning DD,Hoover CL,Soltesz I,Smith MA,O'Dowd DK

更新日期：1999-12-01 00:00:00

abstract：:In one series of experiments, vestibular neurons that could be activated antidromically by stimulation of the contralateral medial reticular formation were studied with extracellular recording in cats under pentobarbital anesthesia. These neurons were found in all of the four main vestibular nuclei, but were less prev...

journal_title：Journal of neurophysiology

authors： Peterson BW,Abzug C

更新日期：1975-11-01 00:00:00

abstract：:1. The modulation of the voltage-activated Ca2+ current by the neuropeptide Phe-Met-Arg-Phe-NH2 (FMRFa) was investigated in dissociated central neurons from Helix aspersa using whole-cell voltage-clamp recording techniques. External Ba2+ was always used as the charge carrier in this study, and the intracellular Ca2+ c...

journal_title：Journal of neurophysiology

authors： Yakel JL

更新日期：1991-06-01 00:00:00

abstract：:Phasic and tonic motor neurons of crustaceans differ strikingly in their junctional synaptic physiology. Tonic neurons generally produce small excitatory postsynaptic potentials (EPSPs) that facilitate strongly as stimulation frequency is increased, and normally show no synaptic depression. In contrast, phasic neurons...

journal_title：Journal of neurophysiology

authors： Nguyen PV,Marin L,Atwood HL

更新日期：1997-07-01 00:00:00

abstract：:We are studying the functional "logic" of neuromodulatory actions in a simple central pattern generator (CPG)-effector system, the heart of the blue crab Callinectes sapidus. The rhythmic contractions of this heart are neurogenic, driven by rhythmic motor patterns generated by the cardiac ganglion (CG). Here we used a...

journal_title：Journal of neurophysiology

authors： Fort TJ,Brezina V,Miller MW

更新日期：2007-11-01 00:00:00

abstract：:The way in which input noise perturbs the behavior of a system depends on the internal processing structure of the system. In visual psychophysics, there is a long tradition of using external noise methods (i.e., adding noise to visual stimuli) as tools for system identification. Here, we demonstrate that external noi...

journal_title：Journal of neurophysiology

authors： Tjan BS,Lestou V,Kourtzi Z

更新日期：2006-09-01 00:00:00

abstract：:Response properties of cells in the infragranular layers of cortical area 17 of the cat were examined in the absence of input from supragranular layers. Supragranular activity was silenced either reversibly by cooling the surface of cortex or permanently by making a cryogenic lesion of the supragranular layers. Visual...

journal_title：Journal of neurophysiology

authors： Schwark HD,Malpeli JG,Weyand TG,Lee C

更新日期：1986-10-01 00:00:00

abstract：:In quadrupeds, the dorsal-side-up body orientation during standing is maintained due to a postural system that is driven by feedback signals coming mainly from limb mechanoreceptors. In caudally decerebrated (postmammillary) rabbits, the efficacy of this system is considerably reduced. In this paper, we report that th...

journal_title：Journal of neurophysiology

authors： Zelenin PV,Hsu LJ,Orlovsky GN,Deliagina TG

更新日期：2012-06-01 00:00:00

abstract：:1. The horizontal eye movements induced by acceleration along the interaural axis were recorded from five monkeys (Macaca mulatta) by the use of the electromagnetic search-coil technique. Animals sat on a sled that was moved briefly in darkness along a linear track (bell-shaped acceleration profile: peak, 400 mm/s2; d...

journal_title：Journal of neurophysiology

authors： Schwarz U,Miles FA

更新日期：1991-09-01 00:00:00

abstract：:In free viewing, the eyes return to previously visited locations rather frequently, even though the attentional and memory-related processes controlling eye-movement show a strong antirefixation bias. To overcome this bias, a special refixation triggering mechanism may have to be recruited. We probed the neural eviden...

journal_title：Journal of neurophysiology

authors： Nikolaev AR,Meghanathan RN,van Leeuwen C

更新日期：2018-11-01 00:00:00

abstract：:Synchronization of local and distributed neuronal assemblies is thought to underlie fundamental brain processes such as perception, learning, and cognition. In neurological disease, neuronal synchrony can be altered and in epilepsy may play an important role in the generation of seizures. Linear cross-correlation and ...

journal_title：Journal of neurophysiology

authors： Warren CP,Hu S,Stead M,Brinkmann BH,Bower MR,Worrell GA

更新日期：2010-12-01 00:00:00

abstract：:The scratch reflex is a motor task exhibited by the hindlimb of a turtle after complete transection of the spinal cord just posterior to the forelimb enlargement. The scratch is elicited by applying gentle tactile stimulation to a site innervated by spinal segments caudal to the level of the transection. During the sc...

journal_title：Journal of neurophysiology

authors： Mortin LI,Keifer J,Stein PS

更新日期：1985-06-01 00:00:00

abstract：:1. Whole cell patch-clamp recordings were made of low-voltage-activated (LVA) calcium (Ca2+) currents using 2 mM barium (Ba2+) as charge carrier. Acutely dissociated neurons from medial septum (MS) and the nucleus of the diagonal band (nDB) were examined in young adult (1-3 mo) and aged (24-26 mo) Fischer 344 rats. 2....

journal_title：Journal of neurophysiology

authors： Murchison D,Griffith WH

更新日期：1995-08-01 00:00:00

abstract：:Endotoxin-induced uveitis (EIU) is commonly used in animals to mimic ocular inflammation in humans. Although the peripheral aspects of EIU have been well studied, little is known of the central neural effects of anterior eye inflammation. EIU was induced in male rats by endotoxin or lipopolysaccharide (LPS, 1 mg/kg ip...

journal_title：Journal of neurophysiology

authors： Bereiter DA,Okamoto K,Tashiro A,Hirata H

更新日期：2005-12-01 00:00:00

abstract：:Experiments were performed on human elbow flexor and extensor muscles and jaw-opening and -closing muscles to observe the effect on rhythmic movements of sudden loading. The load was provided by an electromagnetic device, which simulated the appearance of a smoothly increasing spring-like load. The responses to this l...

journal_title：Journal of neurophysiology

authors： Abbink JH,van der Bilt A,Bosman F,van der Glas HW,Erkelens CJ,Klaassen MF

更新日期：1999-09-01 00:00:00

abstract：:Brief movements of a large-field visual stimulus elicit short-latency tracking eye movements termed "ocular following responses" (OFRs). To address the question of whether OFRs can be elicited by purely binocular motion signals in the absence of monocular motion cues, we measured OFRs from monkeys using dichoptic moti...

journal_title：Journal of neurophysiology

authors： Hayashi R,Miura K,Tabata H,Kawano K

更新日期：2008-05-01 00:00:00

abstract：:In rat CA1 hippocampal pyramidal neurons (HPNs), somatostatin (SST) has inhibitory postsynaptic actions, including hyperpolarization of the membrane at rest and augmentation of the K+ M-current. However, the effects of SST on synaptic transmission in this brain region have not been well-characterized. Therefore we use...

journal_title：Journal of neurophysiology

authors： Tallent MK,Siggins GR

更新日期：1997-12-01 00:00:00

abstract：:1. Intracellular recordings from CA1 pyramidal neurons in the rat hippocampal slice have been used to study synaptic transmission after maximal orthodromic stimulation of the Schaffer collateral-commissural fibers. Paired-pulse stimulation was used to investigate how the first (conditioning) stimulation influenced the...

journal_title：Journal of neurophysiology

authors： Nathan T,Lambert JD

更新日期：1991-11-01 00:00:00

abstract：:1. It has been suggested that passive diffusion is the principal mechanism of the clearance of locally elevated extracellular potassium, K+o, in the cerebral cortex. This concept was based on the assumption that elevated K+ could be modeled as a point source. In the present study, the functional role of passive diffus...

journal_title：Journal of neurophysiology

authors： Vern BA,Schuette WH,Thibault LE

更新日期：1977-09-01 00:00:00

abstract：:We examined the activation kinetics of the delayed rectifier K+ current of bullfrog sympathetic neurons, primarily using whole cell recording. On depolarization, currents activated with a sigmoid delay but did not show a Cole-Moore shift. The time course of activation differed systematically from an exponential raised...

journal_title：Journal of neurophysiology

authors： Klemic KG,Durand DM,Jones SW

更新日期：1998-05-01 00:00:00

abstract：:1. Our previous study showed that two distinct postural modifications occurred when subjects were instructed to step, rather than maintain stance, in response to a backward surface translation: 1) the automatic postural responses to the surfaces perturbation were reduced in magnitude and 2) the anticipatory postural a...

journal_title：Journal of neurophysiology

authors： Burleigh A,Horak F

更新日期：1996-04-01 00:00:00

abstract：:Transcranial DC stimulation (tDCS) induces stimulation polarity-dependent neuroplastic excitability shifts in the human brain. Because it accomplishes long-lasting effects and its application is simple, it is used increasingly. However, one drawback is its low focality, caused by 1) the large stimulation electrode and...

journal_title：Journal of neurophysiology

authors： Nitsche MA,Doemkes S,Karaköse T,Antal A,Liebetanz D,Lang N,Tergau F,Paulus W

更新日期：2007-04-01 00:00:00

abstract：:In this article, we review a recent paper by Stevenson et al. (J Neurosci 34: 691-697, 2014). This paper illustrates the need to present different forms of stimuli in order to characterize the perceptual abilities of people with autism spectrum disorder (ASD). Furthermore, we will discuss their behavioral results and ...

journal_title：Journal of neurophysiology

authors： Chan JS,Naumer MJ

更新日期：2014-12-01 00:00:00

abstract：:Nonsynaptic mechanisms exert a powerful influence on seizure threshold. It is well-established that nonsynaptic epileptiform activity can be induced in hippocampal slices by reducing extracellular Ca(2+) concentration. We show here that nonsynaptic epileptiform activity can be readily induced in vitro in normal (2 mM)...

journal_title：Journal of neurophysiology

authors： Bikson M,Baraban SC,Durand DM

更新日期：2002-01-01 00:00:00

abstract：:We used positron emission tomography to study motor learning by trial and error. Subjects learned sequences of eight finger movements. Tones generated by a computer told the subjects whether any particular move was correct or incorrect. A control condition was used in which the subjects generated moves, but there was ...

journal_title：Journal of neurophysiology

authors： Jueptner M,Frith CD,Brooks DJ,Frackowiak RS,Passingham RE

更新日期：1997-03-01 00:00:00

abstract：:1. In alert macaque monkeys, multiunit activity is encountered in an alternating sequence of silent and spontaneously active zones as an electrode is lowered through the striate cortex (V1). 2. Individual neurons that are spontaneously active in the dark usually have a maintained discharge in the light. Because both t...

journal_title：Journal of neurophysiology

authors： Snodderly DM,Gur M

更新日期：1995-11-01 00:00:00

abstract：:The interstitial nucleus of Cajal (INC) is thought to control torsional and vertical head posture. Unilateral microstimulation of the INC evokes torsional head rotation to positions that are maintained until stimulation offset. Unilateral INC inactivation evokes head position-holding deficits with the head tilted in t...

journal_title：Journal of neurophysiology

authors： Farshadmanesh F,Chang P,Wang H,Yan X,Corneil BD,Crawford JD

更新日期：2008-09-01 00:00:00

abstract：:The effects of neuronal density on morphological and functional attributes of the evolving networks were studied in cultured dissociated hippocampal neurons. Plating at different densities affected connectivity among the neurons, such that sparse networks exhibited stronger synaptic connections between pairs of record...

journal_title：Journal of neurophysiology

authors： Ivenshitz M,Segal M

更新日期：2010-08-01 00:00:00