Human proprioceptive adaptations during states of height-induced fear and anxiety.

abstract：:Motor-unit synchronization, which is a measure of the near simultaneous discharge of action potentials by motor units, has the potential to influence spike-triggered average force and the steadiness of a low-force isometric contraction. The purpose of the study was to estimate the contribution of motor-unit synchroniz...

journal_title：Journal of neurophysiology

authors： Semmler JG,Steege JW,Kornatz KW,Enoka RM

更新日期：2000-07-01 00:00:00

abstract：:High-frequency activity produces transient depression at many synapses but also, as recently demonstrated, may accelerate the recovery from use-dependent depression. We have examined the possible consequences of this synaptic mechanism in neocortical excitatory synapses by recording simultaneously from presynaptic pyr...

journal_title：Journal of neurophysiology

authors： Galarreta M,Hestrin S

更新日期：2000-01-01 00:00:00

abstract：:The dorsal nucleus of the lateral lemniscus (DNLL) receives afferent inputs from many brain stem nuclei and, in turn, is a major source of inhibitory inputs to the inferior colliculus (IC). The goal of this study was to characterize the monaural and binaural response properties of neurons in the DNLL of unanesthetized...

journal_title：Journal of neurophysiology

authors： Davis KA,Lomakin O,Pesavento MJ

更新日期：2007-09-01 00:00:00

abstract：:1. Single-unit activity was recorded from 215 neurons in the medial bulbar reticular formation during the masticatory sequence, from intake to deglutition, of 3 kinds of food (cat food pellets, canned fish, and milk) in 8 chronically prepared, unanesthetized, spontaneously respiring cats with their head fixed to a ste...

journal_title：Journal of neurophysiology

authors： Hiraba K,Taira M,Sahara Y,Nakamura Y

更新日期：1988-10-01 00:00:00

abstract：:1. The effect of serotonin (5-HT) and forskolin on an inwardly rectifying K+ conductance (IKR) was studied using voltage-clamp techniques in several identified Aplysia neurons isolated and maintained in primary cell culture. 2. Inward rectification was observed in the current-voltage relationship of the identified neu...

journal_title：Journal of neurophysiology

authors： Lotshaw DP,Levitan IB

更新日期：1987-11-01 00:00:00

abstract：:The vestibular system operates in a push-pull fashion using signals from both labyrinths and an intricate bilateral organization. Unilateral vestibular lesions cause well-characterized motor deficits that are partially compensated over time and whose neural correlates have been traced in the mean response modulation o...

journal_title：Journal of neurophysiology

authors： Yu XJ,Thomassen JS,Dickman JD,Newlands SD,Angelaki DE

更新日期：2014-08-15 00:00:00

abstract：:The rostral ventromedial medulla (RVM) modulates nociception through changes in the activity of two classes of neuron, ON- and OFF-cells. The activity of these neurons is regulated, in part, by input from the periaqueductal gray (PAG). The objective of this study was to determine whether PAG-mediated antinociception i...

journal_title：Journal of neurophysiology

authors： Tortorici V,Morgan MM

更新日期：2002-10-01 00:00:00

abstract：:Families of peptide neuromodulators are believed to play important roles in neural networks that control behaviors. Here, we investigate the expression and role of one such group of modulators, the myomodulins, in the feeding system of Lymnaea stagnalis. Using a combination of in situ hybridization and antibody staini...

journal_title：Journal of neurophysiology

authors： Perry SJ,Straub VA,Kemenes G,Santama N,Worster BM,Burke JF,Benjamin PR

更新日期：1998-05-01 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：:Traditional electrophysiological research on invertebrate photoreceptors has been conducted in vivo, using intracellular recordings from intact compound eyes. The only exception used to be Drosophila melanogaster, which was exhaustively studied by both intracellular recording and patch-clamp methods. Recently, several...

journal_title：Journal of neurophysiology

authors： Frolov RV

更新日期：2016-08-01 00:00:00

abstract：:The development of auditory temporal processing is important for processing complex sounds as well as for acquiring reading and language skills. Neuronal properties and sound processing change dramatically in auditory cortex neurons after the onset of hearing. However, the development of the auditory thalamus or media...

journal_title：Journal of neurophysiology

authors： Venkataraman Y,Bartlett EL

更新日期：2013-06-01 00:00:00

abstract：:Current and voltage-clamp recordings were made at room temperature from cultured mouse spinal neurons using conventional two-electrode voltage-clamp techniques and electrodes filled with either 3 M KCl, 3 M CsCl, or 3 M Cs2SO4. In the presence of tetraethylammonium and tetrodotoxin, "fast" (rapidly rising and falling)...

journal_title：Journal of neurophysiology

authors： Owen DG,Segal M,Barker JL

更新日期：1986-06-01 00:00:00

abstract：:Retinal Müller cells are highly permeable to potassium as a consequence of their intrinsic membrane properties. Therefore these cells are able to play an important role in maintaining potassium homeostasis in the vertebrate retina during light-induced neuronal activity. Polyamines and other factors present in Müller c...

journal_title：Journal of neurophysiology

authors： Solessio E,Rapp K,Perlman I,Lasater EM

更新日期：2001-04-01 00:00:00

abstract：:Intracellular recording from lumbar motoneurons and extracellular recording from ventral roots of the neonatal rat isolated spinal cord were used to study the mechanisms responsible for the excitation mediated by NK3 tachykinin receptors. The selective NK3 agonists senktide or [MePhe7]neurokinin B induced a slow depol...

journal_title：Journal of neurophysiology

authors： Marchetti C,Nistri A

更新日期：2001-12-01 00:00:00

abstract：:Stretch reflexes contribute to arm impedance and longer-latency stretch reflexes exhibit increased sensitivity during interactions with compliant or unstable environments. This increased sensitivity is consistent with a regulation of arm impedance to compensate for decreased stability of the environment, but the speci...

journal_title：Journal of neurophysiology

authors： Krutky MA,Ravichandran VJ,Trumbower RD,Perreault EJ

更新日期：2010-01-01 00:00:00

abstract：:Evidence for a persistent Na+ current (I(NaP)) in the apical dendrite of neocortical neurons was sought with the use of fluorescence imaging to measure changes in intradendritic Na+ concentration. Neurons in neocortical brain slices were filled iontophoretically through an intracellular recording microelectrode with t...

journal_title：Journal of neurophysiology

authors： Mittmann T,Linton SM,Schwindt P,Crill W

更新日期：1997-08-01 00:00:00

abstract：:1. The fast extensor tibiae motor neuron makes direct excitatory central connections with the posterior group of flexor tibiae motor neurons in the locust metathoracic ganglion. The flexor group has a slow, a fast, and an intermediate motor neuron. The motor neurons are involved in the motor program for kicking and ju...

journal_title：Journal of neurophysiology

authors： Parker D

更新日期：1995-08-01 00:00:00

abstract：:Autoinhibitory serotonin 1A receptors (5-HT(1A)) in dorsal raphé nucleus (DRN) have been implicated in chronic depression and in actions of selective serotonin reuptake inhibitors (SSRI). Due to experimental limitations, it was never studied at single-cell level whether changes in 5-HT(1A) receptor functionality occur...

journal_title：Journal of neurophysiology

authors： Cornelisse LN,Van der Harst JE,Lodder JC,Baarendse PJ,Timmerman AJ,Mansvelder HD,Spruijt BM,Brussaard AB

更新日期：2007-07-01 00:00:00

abstract：:We performed a whole-body mapping study of the effect of unilateral muscle vibration, eliciting spindle Ia firing, on the control of standing and walking in humans. During quiet stance, vibration applied to various muscles of the trunk-neck system and of the lower limb elicited a significant tilt in whole body postura...

journal_title：Journal of neurophysiology

authors： Courtine G,De Nunzio AM,Schmid M,Beretta MV,Schieppati M

更新日期：2007-01-01 00:00:00

abstract：:We previously showed that, when observers watch an actor performing a predictable block-stacking task, the coordination between the observer's gaze and the actor's hand is similar to the coordination between the actor's gaze and hand. Both the observer and the actor direct gaze to forthcoming grasp and block landing s...

journal_title：Journal of neurophysiology

authors： Rotman G,Troje NF,Johansson RS,Flanagan JR

更新日期：2006-09-01 00:00:00

abstract：:1. We have examined the effects of iontophoresing specific antagonists to excitatory amino acid receptors on the visual responses of cells in lamina A or A1 of the cat's lateral geniculate nucleus (LGN). 2. Cells were classified as On- or Off-center, X or Y, and lagged or nonlagged. The effects of antagonists were stu...

journal_title：Journal of neurophysiology

authors： Kwon YH,Esguerra M,Sur M

更新日期：1991-08-01 00:00:00

abstract：:Recent experimental findings suggest that there may be rich physiological information embedded within the power spectrum of neurophysiological recordings, which, in addition to power in specific oscillatory frequencies, can be extracted with the appropriate model. This article reviews previous empirical and modeling r...

journal_title：Journal of neurophysiology

authors： Gao R

更新日期：2016-02-01 00:00:00

abstract：:Remembered object locations are stored in an eye-fixed reference frame, so that every time the eyes move, spatial representations must be updated for the arm-motor system to reflect the target's new relative position. To date, studies have not investigated how the brain updates these spatial representations during oth...

journal_title：Journal of neurophysiology

authors： Thompson AA,Henriques DY

更新日期：2008-11-01 00:00:00

abstract：:1. The transmission in the spinal monosynaptic pathway was studied during repetitive stimulation of a motor nerve by 10 stimuli at 2, 5, or 10 Hz in spinal cats. Initially, the amplitudes of the monosynaptic responses rapidly declined, reaching a plateau after a few stimuli. The level of the plateau was inversely rela...

journal_title：Journal of neurophysiology

authors： Capek R,Esplin B

更新日期：1977-01-01 00:00:00

abstract：:Persistent inward currents are important to motoneuron excitability and firing behaviors and also have been implicated in excitotoxicity. In particular, L-type Ca2+ channels, usually located on motoneuron dendrites, play a primary role in amplification of synaptic inputs. However, recent experimental findings on L-typ...

journal_title：Journal of neurophysiology

authors： Mousa MH,Elbasiouny SM

更新日期：2020-10-01 00:00:00

abstract：:Calcium ions are known to play an important role in epileptogenesis. Although there is clear evidence for increased neuronal calcium influx during epileptiform potentials, direct measurements of the corresponding intracellular calcium transients are rare and the origin of calcium influx is not known. Therefore the spa...

journal_title：Journal of neurophysiology

authors： Albowitz B,König P,Kuhnt U

更新日期：1997-01-01 00:00:00

abstract：:1. Intrasomal recordings were made with microelectrodes from 153 warm (infrared) neurons in the trigeminal ganglia of 36 crotaline snakes, Trimeresurus flavoviridis. Background discharges were observed at room temperature. The 153 warm neurons were classified into two groups: 81 were sensitive to less than or equal to...

journal_title：Journal of neurophysiology

authors： Terashima S,Liang YF

更新日期：1991-08-01 00:00:00

abstract：:1. The purpose of this study is to analyze the kinematics of stepping from the point of view of limb control by attempting to dissociate the various neuronal and mechanical factors that shape actual movements observed experimentally. The cat hindlimb, like the primate arm, is a multijointed mechanical system with redu...

journal_title：Journal of neurophysiology

authors： Shen L,Poppele RE

更新日期：1995-12-01 00:00:00

abstract：:1. The kinetic properties of embryonic Xenopus spinal cord neuron N-methyl-D-aspartate (NMDA)-activated receptors (NMDAR) were examined at the single-channel level. These receptors have a main conductance state of 50 pS and make occasional sojourns to a subconductance level of approximately 40 pS. The open channel lif...

journal_title：Journal of neurophysiology

authors： Zhang Y,Auerbach A

更新日期：1995-07-01 00:00:00

abstract：:An in vitro brain stem-spinal cord preparation from an adult urodele (Pleurodeles waltl) was developed in which two fictive rhythmic motor patterns were evoked by bath application of N-methyl-D-aspartate (NMDA; 2.5-10 microM) with D-serine (10 microM). Both motor patterns displayed left-right alternation. The first pa...

journal_title：Journal of neurophysiology

authors： Delvolvé I,Branchereau P,Dubuc R,Cabelguen JM

更新日期：1999-08-01 00:00:00