Functional plasticity in the respiratory drive to thoracic motoneurons in the segment above a chronic lateral spinal cord lesion.

abstract：:1. The propagation of antidromically activated action potentials in CA1 pyramidal neurons was examined with intrasomatic and intradendritic electrical recording and optical measurements using the fluorescent calcium indicator Calcium Green-1. 2. In somatic recordings, trains of 40 action potentials, activated at rates...

journal_title：Journal of neurophysiology

authors： Callaway JC,Ross WN

更新日期：1995-10-01 00:00:00

abstract：:The possibility of using randomly generated stimulus intervals (with a Poisson distribution) to identify the type(s) of intrafusal fiber activated by the stimulation of single static gamma axons was tested in Peroneus tertius muscle spindles of anesthetized cats. Three patterns of random stimulation with different val...

journal_title：Journal of neurophysiology

authors： Petit J,Banks RW,Laporte Y

更新日期：1999-06-01 00:00:00

abstract：:Several qualitative features distinguish bipedal from quadrupedal locomotion in mammals. In this study we show quantitative differences between quadrupedal and bipedal gait in the Japanese monkey in terms of gait patterns, trunk/hindlimb kinematics, and electromyographic (EMG) activity, obtained from 3 macaques during...

journal_title：Journal of neurophysiology

authors： Higurashi Y,Maier MA,Nakajima K,Morita K,Fujiki S,Aoi S,Mori F,Murata A,Inase M

更新日期：2019-07-01 00:00:00

abstract：:Proteinase-activated receptors (PARs) have a unique activation mechanism in that a proteolytically exposed N-terminal region acts as a tethered ligand. A potential impact of PAR on sensory processing has not been fully examined yet. Here we report that synthetic peptides with sequences corresponding to PAR ligands enh...

journal_title：Journal of neurophysiology

authors： Fujita T,Liu T,Nakatsuka T,Kumamoto E

更新日期：2009-07-01 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：:A plaid pattern is formed when two sinusoidal gratings of different orientations are added together. Previous work has shown that V1 neurons selectively encode the direction and orientation of the component gratings in a moving plaid but not the direction of the plaid itself (Movshon et al. 1985). We recorded the resp...

journal_title：Journal of neurophysiology

authors： Tinsley CJ,Webb BS,Barraclough NE,Vincent CJ,Parker A,Derrington AM

更新日期：2003-08-01 00:00:00

abstract：:Detection and discrimination of odors generally, if not always, occurs against an odorous background. On any given inhalation, olfactory receptor neurons will be activated by features of both the target odorant and features of background stimuli. To identify a target odorant against a background therefore, the olfacto...

journal_title：Journal of neurophysiology

authors： Kadohisa M,Wilson DA

更新日期：2006-03-01 00:00:00

abstract：:The relationship among neonatal seizures, abnormalities of the electroencephalogram (EEG), brain injury, and long-term neurological outcome (e.g., epilepsy) remains controversial. The effects of hypoxia alone (Ha) and hypoxia-ischemia (HI) were studied in neonatal rats at postnatal day 7; both models generate EEG seiz...

journal_title：Journal of neurophysiology

authors： Zayachkivsky A,Lehmkuhle MJ,Ekstrand JJ,Dudek FE

更新日期：2015-11-01 00:00:00

abstract：:Connections between layer V pyramidal cells and GABAergic fast-spiking interneurons (pyramidal-FS) were studied by paired recordings combined with morphological analyses in acute neocortical slices from 28- to 52-day-old rats. Pairs of spikes elicited in pyramidal cells at a stimulation rate of 0.2 Hz induced unitary ...

journal_title：Journal of neurophysiology

authors： Angulo MC,Staiger JF,Rossier J,Audinat E

更新日期：2003-02-01 00:00:00

abstract：:The concept of hierarchical motor control has been viewed as a means of progressively decreasing the number of variables manipulated by each higher control level. We tested the hypothesis that turning an individual bimanual force-production task into a joint (two-participant) force-production task would lead to positi...

journal_title：Journal of neurophysiology

authors： Masumoto J,Inui N

更新日期：2015-06-01 00:00:00

abstract：:During walking, maintenance and coordination of activity in leg motoneurons requires intersegmental signal transfer. In a semi-intact preparation of the stick insect, we studied membrane potential modulations in mesothoracic (middle leg) motoneurons and local premotor nonspiking interneurons that were induced by stepp...

journal_title：Journal of neurophysiology

authors： Ludwar BCh,Westmark S,Büschges A,Schmidt J

更新日期：2005-10-01 00:00:00

abstract：:Subjects were asked to track, with their eyes or their hand, the movement of a target that maintained a constant speed and made a single, abrupt change in direction. The tracking speed and direction of motion after the step change in target direction were compared for the eyes and the hand. After removal of the saccad...

journal_title：Journal of neurophysiology

authors： Engel KC,Anderson JH,Soechting JF

更新日期：2000-09-01 00:00:00

abstract：:Recent evidence suggests that changes in sodium channel expression and localization may be involved in some pathological pain syndromes. SNS, a tetrodotoxin-resistant (TTX-R) sodium channel, is preferentially expressed in small dorsal root ganglion (DRG) neurons, many of which are nociceptive. TTX-R sodium currents an...

journal_title：Journal of neurophysiology

authors： Fjell J,Cummins TR,Fried K,Black JA,Waxman SG

更新日期：1999-02-01 00:00:00

abstract：:How the CNS masters the many degrees of freedom of the musculoskeletal system to control goal-directed movements is a long-standing question. We have recently provided support to the hypothesis that the CNS relies on a modular control architecture by showing that the phasic muscle patterns for fast reaching movements ...

journal_title：Journal of neurophysiology

authors： d'Avella A,Fernandez L,Portone A,Lacquaniti F

更新日期：2008-09-01 00:00:00

abstract：:1. Extracellular spikes of burster-driving neurons (BDNs) were recorded within and immediately below the prepositus hypoglossi nucleus in the alert cat. BDNs were characterized by short-latency activation after stimulation of the contralateral vestibular nerve (latency: 1.4-2.7 ms) and the ipsilateral superior collicu...

journal_title：Journal of neurophysiology

authors： Kitama T,Ohki Y,Shimazu H,Tanaka M,Yoshida K

更新日期：1995-07-01 00:00:00

abstract：:The uppermost layer (stratum griseum superficiale, SGS) of the superior colliculus (SC) provides an important gateway from the retina to the visual extrastriate and visuomotor systems. The majority of attention has been given to the role of this "visual" SC in saccade generation and target selection and it is generall...

journal_title：Journal of neurophysiology

authors： Girman SV,Lund RD

更新日期：2007-07-01 00:00:00

abstract：:We report a novel phenomenon produced by focused ultrasound (US) that may be important for understanding its effects on cell membranes. When a US burst (2.1 MHz, 1-mm focal diameter, 0.1-1 MPa) was focused on a motor axon of the crayfish neuromuscular junction, it consistently produced a fast hyperpolarization, which ...

journal_title：Journal of neurophysiology

authors： Lin JW,Yu F,Müller WS,Ehnholm G,Okada Y

更新日期：2019-02-01 00:00:00

abstract：:1. The proton-gated current was investigated in whole-cell configuration of the neurons isolated from bullfrog heart parasympathetic ganglia with the use of the "concentration-clamp" technique, which combines intracellular perfusion and extremely rapid exchange of external solution within 1-2 ms, under a single-electr...

journal_title：Journal of neurophysiology

authors： Kim DK,Tateishi N,Akaike N

更新日期：1990-05-01 00:00:00

abstract：:Gramicidin-perforated patch-clamp recordings were made from slices of the suprachiasmatic nucleus (SCN) of adult rats to characterize the role of gamma-amino butyric acid (GABA) in the circadian timing system. During the day, activation of GABA(A) receptors hyperpolarized the membrane of SCN neurons. During the night,...

journal_title：Journal of neurophysiology

authors： De Jeu M,Pennartz C

更新日期：2002-02-01 00:00:00

abstract：:To investigate the nature of the visuomotor transformation, previous studies have used pointing tasks and examined how adaptation to a spatially localized mismatch between vision and proprioception generalizes across the workspace. Whereas some studies found extensive spatial generalization of single-point remapping, ...

journal_title：Journal of neurophysiology

authors： Malfait N,Henriques DY,Gribble PL

更新日期：2008-01-01 00:00:00

abstract：:Nitric oxide (NO) has been recognized as an atypical neuronal messenger affecting synaptic transmission, but its cellular source has remained unresolved as the neuronal NO synthase isoform (nNOS) in brain areas such as the neocortex is expressed only by a small subset of inhibitory neurons. The involvement of the glia...

journal_title：Journal of neurophysiology

authors： Buskila Y,Amitai Y

更新日期：2010-03-01 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

abstract：:1. Some scientists reported that the simple spike (SS) activity was transiently depressed after climbing fiber input, but others reported that predominant population of Purkinje cells increased their SS activity after the complex spike (CS). In the present study, SS activity after spontaneous CS was compared before an...

journal_title：Journal of neurophysiology

authors： Sato Y,Miura A,Fushiki H,Kawasaki T

更新日期：1993-04-01 00:00:00

abstract：:Across the entire human body, postural tone might play its most critical role in the body's axis because the axis joins the four limbs and head into a single functioning unit during complex motor tasks as well as in static postures. Although postural tone is commonly viewed as low-level, tonic motor activity, we hypot...

journal_title：Journal of neurophysiology

authors： Gurfinkel V,Cacciatore TW,Cordo P,Horak F,Nutt J,Skoss R

更新日期：2006-11-01 00:00:00

abstract：:To further understand the excitatory effects of motoneurons on spinal network function, we investigated the entrainment of disinhibited rhythms by ventral root (VR) stimulation in the neonatal mouse spinal cord. A brief train of stimuli applied to a VR triggered bursting reliably in 31/32 experiments. The same roots t...

journal_title：Journal of neurophysiology

authors： Bonnot A,Chub N,Pujala A,O'Donovan MJ

更新日期：2009-06-01 00:00:00

abstract：:Macaque SEF neurons encode object-centered directions of eye movements regardless of the visual attributes of instructional cues. Neurons in the supplementary eye field (SEF) of the macaque monkey exhibit object-centered direction selectivity in the context of a task in which a spot flashed on the right or left end of...

journal_title：Journal of neurophysiology

authors： Olson CR,Gettner SN

更新日期：1999-05-01 00:00:00

abstract：:Modularity in the central nervous system (CNS), i.e., the brain capability to generate a wide repertoire of movements by combining a small number of building blocks ("modules"), is thought to underlie the control of movement. Numerous studies reported evidence for such a modular organization by identifying invariant m...

journal_title：Journal of neurophysiology

authors： Delis I,Panzeri S,Pozzo T,Berret B

更新日期：2014-02-01 00:00:00

abstract：:The lateral hypothalamus (LH), which plays a role in homeostatic functions such as appetite regulation, is also linked to arousal and motivational behavior. However, little is known about how these components are encoded in the LH. Thus cynomolgus monkeys were conditioned with two distinct contexts, i.e., an appetitiv...

journal_title：Journal of neurophysiology

authors： Noritake A,Nakamura K

更新日期：2019-02-01 00:00:00

abstract：:1. The induction of long-term weakening of synaptic transmission in rat hippocampal slices was examined in CA1 synapses during cholinergic modulation. 2. Bath application of the cholinergic agonist carbachol (50 microM) activated an oscillation of the local field potential in the theta-frequency range (5-12 Hz), terme...

journal_title：Journal of neurophysiology

authors： Huerta PT,Lisman JE

更新日期：1996-02-01 00:00:00

abstract：:This study of chronic incomplete spinal cord injury (SCI) subjects investigated patterns of central motor drive (i.e., central activation) of the plantar flexors using interpolated twitches, and modulation of soleus H-reflexes during lengthening, isometric, and shortening muscle actions. In a recent study of the knee ...

journal_title：Journal of neurophysiology

authors： Kim HE,Corcos DM,Hornby TG

更新日期：2015-07-01 00:00:00