Mg2+-malate co-transport, a mechanism for Na+-independent Mg2+ transport in neurons of the leech Hirudo medicinalis.

abstract：:cAMP-dependent protein kinase (PKA) and protein kinase C (PKC) are two major modulators of synaptic transmission in the CNS but little is known about how they affect synaptic transmission in the human CNS. In this study, we used forskolin, a PKA activator, and phorbol ester, a PKC activator, to examine the effects of ...

journal_title：Journal of neurophysiology

authors： Chen HX,Roper SN

更新日期：2003-05-01 00:00:00

abstract：:The amino acid sequence of the N-methyl-D-aspartate (NMDA) receptor subunit NR2B from the brown ghost knife fish Apteronotus leptorhynchus has been determined and compared with the sequence of the murine NR2B. This comparison revealed high levels of sequence conservation throughout the ligand binding and membrane span...

journal_title：Journal of neurophysiology

authors： Harvey-Girard E,Dunn RJ

更新日期：2003-02-01 00:00:00

abstract：:Previous research using a loud acoustic stimulus (LAS) to investigate motor preparation in reaction time (RT) tasks indicates that responses can be triggered well in advance of the presentation of an imperative stimulus (IS). This is intriguing given that high levels of response preparation cannot be maintained for lo...

journal_title：Journal of neurophysiology

authors： Marinovic W,de Rugy A,Lipp OV,Tresilian JR

更新日期：2013-02-01 00:00:00

abstract：:Responses to tones, clicks, and noise were recorded from chinchilla auditory-nerve fibers (ANFs). The responses to noise were analyzed by computing the zeroth-, first-, and second-order Wiener kernels (h0, h1, and h2). The h1s correctly predicted the frequency tuning and phases of responses to tones of ANFs with low c...

journal_title：Journal of neurophysiology

authors： Temchin AN,Recio-Spinoso A,van Dijk P,Ruggero MA

更新日期：2005-06-01 00:00:00

abstract：:It has been suggested that some cortically blind patients can process the emotional valence of visual stimuli via a fast, subcortical pathway from the superior colliculus (SC) that reaches the amygdala via the pulvinar. We provide in vivo evidence for connectivity between the SC and the amygdala via the pulvinar in bo...

journal_title：Journal of neurophysiology

authors： Rafal RD,Koller K,Bultitude JH,Mullins P,Ward R,Mitchell AS,Bell AH

更新日期：2015-09-01 00:00:00

abstract：:The activity of jaw muscle receptors was studied by recording neurons in the mesencephalic nucleus of the trigeminal nerve in monkeys trained to control the position and movement of their mandible. Jaw position was measured by a weighted lever resting on the mandibular incisors. The force required to maintain the posi...

journal_title：Journal of neurophysiology

authors： Larson CR,Finocchio DV,Smith A,Luschei ES

更新日期：1983-07-01 00:00:00

abstract：:The objectives of this study were to probe the contribution of spinal neuron persistent sodium conductances to reflex hyperexcitability in human chronic spinal cord injury. The intrinsic excitability of spinal neurons provides a novel target for medical intervention. Studies in animal models have shown that persistent...

journal_title：Journal of neurophysiology

authors： Theiss RD,Hornby TG,Rymer WZ,Schmit BD

更新日期：2011-06-01 00:00:00

abstract：:Hyolaryngeal elevation is essential for airway protection during swallowing and is mainly a reflexive response to oropharyngeal sensory stimulation. Targeted intramuscular electrical stimulation can elevate the resting larynx and, if applied during swallowing, may improve airway protection in dysphagic patients with i...

journal_title：Journal of neurophysiology

authors： Burnett TA,Mann EA,Stoklosa JB,Ludlow CL

更新日期：2005-12-01 00:00:00

abstract：:The aim of this study was to determine the extent to which an attention-demanding visuomotor task affects the strength of the inhibitory control exerted by the wrist flexor group Ia afferents on the wrist extensor motoneurons. Effects of median nerve stimulation on the tonic activity of wrist extensor single motor uni...

journal_title：Journal of neurophysiology

authors： Nafati G,Schmied A,Rossi-Durand C

更新日期：2005-04-01 00:00:00

abstract：:The mouse is an important model system for investigating the neural circuits mediating behavior. Because of advances in imaging and optogenetic methods, head-fixed mouse preparations provide an unparalleled opportunity to observe and control neural circuits. To investigate how neural circuits produce behavior, these m...

journal_title：Journal of neurophysiology

authors： Sanders JI,Kepecs A

更新日期：2012-12-01 00:00:00

abstract：:Regulation of feeding behavior involves the integration of multiple physiological and neurological pathways that control both nutrient-seeking and consummatory behaviors. The consummatory phase of ingestion includes stereotyped oromotor movements of the tongue and jaw that are controlled through brain stem pathways. T...

journal_title：Journal of neurophysiology

authors： Nasse JS,Travers JB

更新日期：2014-08-01 00:00:00

abstract：:1. Monkeys with large unilateral surgical ablations of striate cortex, sustained either in adulthood or at 5-6 wk of age, were trained on an oculomotor detection and localization task and tested with visual stimuli in the hemifields ipsilateral and contralateral to the lesion 2-5 yr after surgery. 2. Monkeys with lesi...

journal_title：Journal of neurophysiology

authors： Moore T,Rodman HR,Repp AB,Gross CG,Mezrich RS

更新日期：1996-12-01 00:00:00

abstract：:1. In vagotomized, paralyzed, decerebrate cats, simultaneous recordings were taken from one or more sympathetic nerves [cervical sympathetic (CS), inferior cardiac (IC), splanchnic (SP)] and from medullary neurons in vasomotor-related regions. Coherence analyses were used to ascertain the presence of sympathetic rhyth...

journal_title：Journal of neurophysiology

authors： Cohen MI,Yu Q,Huang WX

更新日期：1995-07-01 00:00:00

abstract：:Rhythm generation by the gastric motor network in the stomatogastric ganglion (STG) of the lobster Homarus gammarus is controlled by modulatory projection neurons from rostral commissural ganglia (CoGs); blocking action potential conduction in these inputs to the STG of a stomatogastric nervous system in vitro rapidly...

journal_title：Journal of neurophysiology

authors： Faumont S,Simmers J,Meyrand P

更新日期：1998-11-01 00:00:00

abstract：:The neurons in the intermediate layers of the monkey superior colliculus (SC) that discharge before saccadic eye movements can be divided into at least two types, burst and buildup neurons, and the differences in their characteristics are compatible with different functional contributions of the two cell types. It has...

journal_title：Journal of neurophysiology

authors： Aizawa H,Wurtz RH

更新日期：1998-04-01 00:00:00

abstract：:Activation of metabotropic glutamate receptors (mGluRs), which are coupled to G proteins, has important roles in certain forms of synaptic plasticity including corticostriatal long-term depression (LTD). In the present study, extracellular field potential and whole cell voltage-clamp recording techniques were used to ...

journal_title：Journal of neurophysiology

authors： Sung KW,Choi S,Lovinger DM

更新日期：2001-11-01 00:00:00

abstract：:We report the first optical recordings of action potentials, in single trials, from one or a few (approximately 1-2 microm) mammalian nerve terminals in an intact in vitro preparation, the mouse neurohypophysis. The measurements used two-photon excitation along the "blue" edge of the two-photon absorption spectrum of ...

journal_title：Journal of neurophysiology

authors： Fisher JA,Barchi JR,Welle CG,Kim GH,Kosterin P,Obaid AL,Yodh AG,Contreras D,Salzberg BM

更新日期：2008-03-01 00:00:00

abstract：:1. The responses of a total of 70 single neurons were recorded from the parabrachial nuclei (PBN) in awake rats. In 59 neurons, sapid stimuli (0.5 ml) elicited significant taste responses. Of these 59 neurons, 10 also had significant responses to water. The mean spontaneous rate of the taste neurons was 13.4 +/- 6.9 (...

journal_title：Journal of neurophysiology

authors： Nishijo H,Norgren R

更新日期：1990-04-01 00:00:00

abstract：:Previous studies have demonstrated anisotropic patterns of hand impedance under static conditions and during movement. Here we show that the pattern of kinematic error observed in studies of dynamics learning is associated with this anisotropic impedance pattern. We also show that the magnitude of kinematic error asso...

journal_title：Journal of neurophysiology

authors： Darainy M,Mattar AA,Ostry DJ

更新日期：2009-06-01 00:00:00

abstract：:Extensive work on learning in reaching and pointing tasks has demonstrated high degrees of plasticity in our ability to optimize goal-directed motor behavior. However, studies focusing on the perceptual awareness of our own actions during motor adaptation are still rare. Here we present the first simultaneous investig...

journal_title：Journal of neurophysiology

authors： Synofzik M,Thier P,Lindner A

更新日期：2006-09-01 00:00:00

abstract：:Low-voltage-activated Ca(2+) currents (LVA-I(Ca)) are believed to perform several roles in neurons such as lowering the threshold for action potentials, promoting burst firing and oscillatory behavior, and enhancing synaptic excitation. They also may allow rapid increases in intracellular Ca(2+) concentration. We disc...

journal_title：Journal of neurophysiology

authors： Sekizawa SI,French AS,Torkkeli PH

更新日期：2000-02-01 00:00:00

abstract：:1. The capacity for judging the location of an object relative to the body (egocentric localization) was assessed in cats by measuring the landing position attained when the cat jumped toward a platform viewed from a known distance. 2. Normal cats and kittens land at center of the platform when using one eye or both. ...

journal_title：Journal of neurophysiology

authors： Olson CR

更新日期：1980-03-01 00:00:00

abstract：:Synchronization between the firing times of simultaneously active motor units (MUs) is generally assumed to increase during fatiguing contractions. To date, however, estimates of MU synchronization have relied on indirect measures, derived from surface electromyographic (EMG) interference signals. This study used intr...

journal_title：Journal of neurophysiology

authors： McManus L,Hu X,Rymer WZ,Suresh NL,Lowery MM

更新日期：2016-06-01 00:00:00

abstract：:Annexin I is a local mediator in neural-endocrine feedback control of inflammation. J. Neurophysiol. 80: 3120-3126, 1998. Activation of primary afferent nociceptors induces a neural endocrine-mediated inhibition of the inflammatory response via a circuit that includes ascending spinal pathways and activation of the hy...

journal_title：Journal of neurophysiology

authors： Green PG,Strausbaugh HJ,Levine JD

更新日期：1998-12-01 00:00:00

abstract：:We analyzed the receptive field information conveyed by interspike intervals (ISIs) in the auditory cortex. In the visual system, different ISIs may both code for different visual features and convey differing amounts of stimulus information. To determine their potential role in auditory signal processing, we obtained...

journal_title：Journal of neurophysiology

authors： Shih JY,Atencio CA,Schreiner CE

更新日期：2011-04-01 00:00:00

abstract：:We have used electrophysiological techniques to document segmental differences in the pathways between the giant, escape command axons, lateral giants (LG) and medial giants (MG), and the nongiant, fast flexor (FF) motoneurons. We found no difference in the input from LG and MG axons to FF motoneurons in the posterior...

journal_title：Journal of neurophysiology

authors： Miller LA,Hagiwara G,Wine JJ

更新日期：1985-01-01 00:00:00

abstract：:We measured synaptic responses to complex stimulus trains in the calyx of Held and used the data to test how well several vesicle-release models could capture the observed dynamics. We tested stimulation protocols consisting of Poisson-distributed activity with periodically changing mean frequencies, trains with const...

journal_title：Journal of neurophysiology

authors： Hermann J,Grothe B,Klug A

更新日期：2009-01-01 00:00:00

abstract：:Organization of spinal motor output has become of interest for investigating differential activation of lumbar and sacral motor pools during locomotor tasks. Motor pools are associated with functional grouping of motoneurons of the lower limb muscles. Here we examined how the spatiotemporal organization of lumbar and ...

journal_title：Journal of neurophysiology

authors： Dewolf AH,Ivanenko YP,Zelik KE,Lacquaniti F,Willems PA

更新日期：2019-08-01 00:00:00

abstract：:1. We define an extrinsic frame of reference to represent the location of a point in extrapersonal space relative to a human subject's shoulder, and we define an intrinsic frame of reference to represent the orientation of the arm and forearm. 2. We examined the relations between coordinates in the extrinsic and intri...

journal_title：Journal of neurophysiology

authors： Soechting JF,Flanders M

更新日期：1989-08-01 00:00:00

abstract：:Alzheimer's disease (AD) is a progressive neurodegenerative condition characterized by profound deficits in memory and cognitive function. Neuropathological hallmarks of the disease include a loss of basal forebrain cholinergic neurons and the deposition of beta-amyloid peptide (Abeta) in neuritic plaques. At a cellul...

journal_title：Journal of neurophysiology

authors： Fu W,Jhamandas JH

更新日期：2003-11-01 00:00:00