Ca2+-induced uncoupling of Aplysia bag cell neurons.

abstract：:The functional coupling of neural circuits between the upper and lower limbs involving rhythmic movements is of interest to both motor control research and rehabilitation science. This coupling can be detected by examining the effect of remote rhythmic limb movement on the modulation of reflex amplitude in stationary ...

journal_title：Journal of neurophysiology

authors： Sasada S,Tazoe T,Nakajima T,Zehr EP,Komiyama T

更新日期：2010-07-01 00:00:00

abstract：:The contributions of the hyperpolarization-activated current, I(h), to generation of rhythmic activities are well described for various central neurons, particularly in thalamocortical circuits. In the present study, we investigated effects of a general anesthetic, propofol, on native I(h) in neurons of thalamus and c...

journal_title：Journal of neurophysiology

authors： Chen X,Shu S,Bayliss DA

更新日期：2005-12-01 00:00:00

abstract：:Electrical stimulation of the median nerve at the wrist may elicit a blink reflex [hand blink reflex (HBR)] mediated by a neural circuit at brain stem level. As, in a Sherringtonian sense, the blink reflex is a defensive response, in a series of experiments we tested, in healthy volunteers, whether and how the HBR is ...

journal_title：Journal of neurophysiology

authors： Sambo CF,Liang M,Cruccu G,Iannetti GD

更新日期：2012-02-01 00:00:00

abstract：:Pharmacological modulation of gamma-aminobutyric acid-A (GABAA) receptors can provide important information on the types of subunits composing these receptors. In recombinant studies, zinc more potently inhibits alphabeta subunits compared with the alphabetagamma combination, whereas modulation by nanomolar concentrat...

journal_title：Journal of neurophysiology

authors： Defazio T,Hablitz JJ

更新日期：1998-10-01 00:00:00

abstract：:Moth pheromones cause rises in intracellular Ca(2+) concentrations that activate Ca(2+)-dependent cation channels in antennal olfactory receptor neurons. In addition, mechanisms of adaptation and sensitization depend on changes in cyclic nucleotide concentrations. Here, cyclic nucleotide-activated currents in cultured...

journal_title：Journal of neurophysiology

authors： Krannich S,Stengl M

更新日期：2008-11-01 00:00:00

abstract：:Activation of muscarinic receptors and GABA(B) receptors causes presynaptic inhibition of glutamatergic synaptic potentials at excitatory feedback connections in cortical structures. These effects may regulate dynamics in cortical structures, with presynaptic inhibition allowing extrinsic afferent input to dominate du...

journal_title：Journal of neurophysiology

authors： Hasselmo ME,Fehlau BP

更新日期：2001-10-01 00:00:00

abstract：:The aim of this study was to examine whether subjects who have learned a skilled locomotor task can transfer the acquired performance to conditions involving either a change in the external coordinates or in the sensory input from one leg. Subjects were trained to step over an obstacle with minimal foot clearance with...

journal_title：Journal of neurophysiology

authors： Lam T,Dietz V

更新日期：2004-10-01 00:00:00

abstract：:The spinal cord has been well established as the site of generation of the locomotor rhythm in vertebrates, but studies have suggested that the caudal hindbrain in larval fish and amphibians can also generate locomotor rhythms. Here, we investigated whether the caudal hindbrain of the adult lamprey ( Petromyzon marinu...

journal_title：Journal of neurophysiology

authors： Buchanan JT

更新日期：2018-05-01 00:00:00

abstract：:We have previously demonstrated that neurons R3-14 of the Aplysia abdominal ganglia specifically express a gene encoding a 108-amino acid neuropeptide precursor. This precursor is postranslationally processed by cleavage of a signal sequence and two internal dibasic residues resulting in three peptides. The peptide pr...

journal_title：Journal of neurophysiology

authors： Campanelli JT,Scheller RH

更新日期：1987-04-01 00:00:00

abstract：:1. A quantal analysis of transmission at the identified molluscan synapse, V2-RPr1, was performed during development. The study was intended to determine the pre- and postsynaptic contributions to the marked changes in transmitter release described in the previous report. 2. The success of the quantal analysis was pre...

journal_title：Journal of neurophysiology

authors： Pawson PA,Chase R

更新日期：1988-12-01 00:00:00

abstract：:1. The discharge patterns of 359 single neurons in the hand representation of primary somatosensory cortex (SI) of two monkeys (Macaca mulatta) were recorded during the performance of a passive texture discrimination task with the contralateral hand (104 in area 3b, 149 in area 1, and 106 in area 2). Three nyloprint s...

journal_title：Journal of neurophysiology

authors： Tremblay F,Ageranioti-Bélanger SA,Chapman CE

更新日期：1996-11-01 00:00:00

abstract：:When a monkey attends to, remembers, and looks toward targets, the activity of some neurons in the lateral intraparietal area (LIP) changes. We recorded from isolated neurons during both a spatial and a shape match-to-sample task to examine and characterize voluntary active processes in LIP. Many LIP neurons show spat...

journal_title：Journal of neurophysiology

authors： Sereno AB,Amador SC

更新日期：2006-02-01 00:00:00

abstract：:It is well recognized that the brain uses sensory information to accurately produce motor commands. Indeed, most research into the relationship between sensory and motor systems has focused on how sensory information modulates motor function. In contrast, recent studies have begun to investigate the reverse: how senso...

journal_title：Journal of neurophysiology

authors： Wong JD,Wilson ET,Gribble PL

更新日期：2011-05-01 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：: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：:A question to be addressed in the present study is how different the eyes-closed (EC) and eyes-open (EO) resting states are across frequency bands in terms of efficiency and centrality of the brain functional network. We investigated both the global and nodal efficiency and betweenness centrality in the EC and EO rest...

journal_title：Journal of neurophysiology

authors： Jin SH,Jeong W,Lee DS,Jeon BS,Chung CK

更新日期：2014-04-01 00:00:00

abstract：:Adaptation to novel dynamics requires learning a motor memory, or a new pattern of predictive feedforward motor commands. Recently, we demonstrated the upregulation of rapid visuomotor feedback gains early in curl force field learning, which decrease once a predictive motor memory is learned. However, even after learn...

journal_title：Journal of neurophysiology

authors： Franklin S,Wolpert DM,Franklin DW

更新日期：2017-11-01 00:00:00

abstract：:1. The shared inputs to cat retinal ganglion cells have been investigated by studying correlations in the maintained firing of neighboring ganglion cells. The firing of one cell was recorded from its axon in the optic tract, while that of a neighboring cell was simultaneously recorded with a second electrode in the re...

journal_title：Journal of neurophysiology

authors： Mastronarde DN

更新日期：1983-02-01 00:00:00

abstract：:Contrasting theories of visual attention have emphasized selection by spatial location, individual features, and whole objects. We used functional magnetic resonance imaging to ask whether and how attention to one feature of an object spreads to other features of the same object. Subjects viewed two spatially superimp...

journal_title：Journal of neurophysiology

authors： Ernst ZR,Boynton GM,Jazayeri M

更新日期：2013-11-01 00:00:00

abstract：:The fastigial oculomotor region is the output by which the medioposterior cerebellum influences the generation of saccades. Recent inactivation studies reported observations suggesting an involvement in their dynamics (velocity and duration). In this work, we tested this hypothesis in the head-restrained monkey with t...

journal_title：Journal of neurophysiology

authors： Quinet J,Goffart L

更新日期：2015-05-01 00:00:00

abstract：:1. Using an optical method for measuring membrane potential, we have been able to monitor action-potential activity simultaneously in 14 neurons of the supraesophageal ganglion of the barnacle. 2. Under favorable conditions, 4-mV synaptic potentials could also be detected optically. ...

journal_title：Journal of neurophysiology

authors： Salzberg BM,Grinvald A,Cohen LB,Davila HV,Ross WN

更新日期：1977-11-01 00:00:00

abstract：:Substance P (SP) is an undecapeptide that is co-localized with conventional transmitters in the nucleus accumbens (NAc). Its neurochemical and behavioral effects resemble those of cocaine and amphetamine. How SP accomplishes these effects is not known, partly because its cellular and synaptic effects are not well char...

journal_title：Journal of neurophysiology

authors： Kombian SB,Ananthalakshmi KV,Parvathy SS,Matowe WC

更新日期：2003-02-01 00:00:00

abstract：:Previous functional MRI studies reported neural correlates of risk and ambiguity based on behavioral economic theories. A recent study controlled for uncertainty by adding noise to information of an impending aversive event and demonstrated brain areas that did not track the degree of uncertainty: the activation peake...

journal_title：Journal of neurophysiology

authors： O'Neill M,Kobayashi S

更新日期：2009-08-01 00:00:00

abstract：:A growing body of evidence suggests that decision-making and action execution are governed by partly overlapping operating principles. Especially, previous work proposed that a shared decision urgency/movement vigor signal, possibly computed in the basal ganglia, coordinates both deliberation and movement durations in...

journal_title：Journal of neurophysiology

authors： Reynaud AJ,Saleri Lunazzi C,Thura D

更新日期：2020-08-01 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：:Vestibuloocular reflex performance and adaptation were examined during vestibulocerebellar inactivation by localized lidocaine microdialysis or injection in goldfish. In the light, eye velocity perfectly compensated for head velocity (Vis-VOR) during sinusoidal yaw rotation (1/8 Hz +/- 20 degrees). In the dark, the re...

journal_title：Journal of neurophysiology

authors： McElligott JG,Beeton P,Polk J

更新日期：1998-03-01 00:00:00

abstract：:1. We study the propagation and dynamics of spindle waves in thalamic slices by developing and analyzing a model of reciprocally coupled populations of excitatory thalamocortical (TC) neurons and inhibitory thalamic reticular (RE) neurons. 2. Each TC neuron has three intrinsic ionic currents: a low-threshold T-type Ca...

journal_title：Journal of neurophysiology

authors： Golomb D,Wang XJ,Rinzel J

更新日期：1996-02-01 00:00:00

abstract：:The responses of sustaining and dimming fibers were characterized by the time varying firing rates elicited by extrinsic current and flashes of light. These data were simulated by an adaptive integrate-and-fire model. A postimpulse shunt conductance simulated spike-frequency adaptation. The correlation between observe...

journal_title：Journal of neurophysiology

authors： Glantz RM,Schroeter JP

更新日期：2004-07-01 00:00:00

abstract：:1. Neurons (n = 142) were recorded with extracellular micropipettes in the parabrachial (PB) area, in the anesthetized rat, some of them being antidromically driven from the centralis nucleus of the amygdala (Ce). The spontaneous activity of these neurons was low, (10th percentile < median frequency < 90th percentile;...

journal_title：Journal of neurophysiology

authors： Bernard JF,Huang GF,Besson JM

更新日期：1994-05-01 00:00:00

abstract：:Successful negotiation of obstacles during walking relies on the integration of visual information about the environment with ongoing locomotor commands. When information about the body and the environment is removed through occlusion of the lower visual field, individuals increase downward head pitch angle, reduce fo...

journal_title：Journal of neurophysiology

authors： Kim A,Kretch KS,Zhou Z,Finley JM

更新日期：2018-08-01 00:00:00