Single-subject fMRI mapping at 7 T of the representation of fingertips in S1: a comparison of event-related and phase-encoding designs.

abstract：:Sopite syndrome, centered around the drowsiness, lethargy, and irritability associated with motion sickness, can be induced by exposure to low-frequency motion. It is known that the vestibular apparatus plays an important role in the pathogenesis of motion sickness, which features several autonomic responses, and we h...

journal_title：Journal of neurophysiology

authors： Foster M,Singh N,Kwok K,Macefield VG

更新日期：2020-12-01 00:00:00

abstract：:Substance P initiates locomotion when injected in the brain stem of mammals. This study examined the possible role of this peptide on the supraspinal locomotor command system in lampreys. Substance P was bath applied or locally injected into an in vitro isolated brain stem, and the effects of the drug were examined on...

journal_title：Journal of neurophysiology

authors： Brocard F,Bardy C,Dubuc R

更新日期：2005-04-01 00:00:00

abstract：:The effect of peripheral lesions on cerebral somatosensory representations is well studied for experimentally induced amputations and deafferentations acquired later in life. However, few studies have investigated the brain's capacity for plastic changes in congenital malformations. We studied somatosensory-evoked fie...

journal_title：Journal of neurophysiology

authors： Stoeckel MC,Pollok B,Witte OW,Seitz RJ,Schnitzler A

更新日期：2005-02-01 00:00:00

abstract：:A key element of walking is the coordinated interplay of multiple limbs to achieve a stable locomotor pattern that is adapted to the environment. We investigated intersegmental coordination of walking in the stick insect, Carausius morosus by examining the influence a single stepping leg has on the motoneural activity...

journal_title：Journal of neurophysiology

authors： Borgmann A,Scharstein H,Büschges A

更新日期：2007-09-01 00:00:00

abstract：:1. Properties of 90 lateral cervical nucleus (LCN) neurons responsive to light tactile stimulation of ipsilateral body surfaces were examined in pentobarbital sodium-anesthetized raccoons. Peripheral receptive fields (RFs) of 60 of these lay totally or partially on glabrous skin of the forepaw. There were 71 neurons a...

journal_title：Journal of neurophysiology

authors： Simone DA,Pubols BH Jr

更新日期：1991-06-01 00:00:00

abstract：:A voluntary contraction of muscles with one arm increases the excitability of corticospinal projections to the contralateral resting arm, a phenomenon known as crossed facilitation. Although many motor tasks engage simultaneous activation of the arm and trunk, interactions between corticospinal projections targeting t...

journal_title：Journal of neurophysiology

authors： Chiou SY,Strutton PH,Perez MA

更新日期：2018-11-01 00:00:00

abstract：:The properties of the vestibuloocular reflex (VOR) when the axis of rotation is behind the eyes and fixation of a near target is required were studied in the monkey. The magnitude of VOR gain in each eye was found to be above 1.0 and near the ideal value for stabilizing a retinal image. Evidence that this large VOR ga...

journal_title：Journal of neurophysiology

authors： Viirre E,Tweed D,Milner K,Vilis T

更新日期：1986-08-01 00:00:00

abstract：:1. Intracellular recordings from neostriatal neurons in an in vitro slice preparation of the rat brain were used to analyze the pharmacological sensitivity of the action potential (AP) repolarization and the afterhyperpolarization (AHP) that follows a single action potential. The interspike voltage trajectory and the ...

journal_title：Journal of neurophysiology

authors： Pineda JC,Galarraga E,Bargas J,Cristancho M,Aceves J

更新日期：1992-07-01 00:00:00

abstract：:1. Whole-cell recordings were performed on acutely isolated pyramidal neurons from rat sensorimotor cortex 2 to 21 days postnatal to study the expression of a tetrodotoxin (TTX) sensitive, voltage dependent, persistent Na+ current (INaP) during different stages of postnatal development. 2. INaP was activated positive ...

journal_title：Journal of neurophysiology

authors： Alzheimer C,Schwindt PC,Crill WE

更新日期：1993-01-01 00:00:00

abstract：:The capabilities of any sensory system are ultimately constrained by the properties of the sensory neurons: the ability to detect and represent stimuli is limited by noise due to spontaneous activity, and optimal decoding in downstream circuitry must be matched to the nature of the encoding performed at the input. Her...

journal_title：Journal of neurophysiology

authors： Arnson HA,Holy TE

更新日期：2011-07-01 00:00:00

abstract：:Limb movement-related neurons in the cerebellar nuclei (CN) typically produce bursts of discharge in association with movement. Consequently, given the inhibitory nature of the Purkinje cell (PC) projection to CN, it is puzzling that only a minority of movement-related PCs pause; the majority burst. Some of the moveme...

journal_title：Journal of neurophysiology

authors： Holdefer RN,Houk JC,Miller LE

更新日期：2005-01-01 00:00:00

abstract：:The cannabinoid receptor CB1 is found in abundance in brain neurons, whereas CB2 is essentially expressed outside the brain. In the neocortex, CB1 is observed predominantly on large cholecystokinin (CCK)-expressing interneurons. However, physiological evidence suggests that functional CB1 are present on other neocorti...

journal_title：Journal of neurophysiology

authors： Hill EL,Gallopin T,Férézou I,Cauli B,Rossier J,Schweitzer P,Lambolez B

更新日期：2007-04-01 00:00:00

abstract：:According to Alexander's law (AL), the slow phase velocity of nystagmus of vestibular origin is dependent on horizontal position, with lower velocity when gaze is directed in the slow compared with the fast phase direction. Adaptive changes in the velocity-to-position neural integrator are thought to cause AL. Althoug...

journal_title：Journal of neurophysiology

authors： Bockisch CJ,Hegemann S

更新日期：2008-12-01 00:00:00

abstract：:Fast inhibitory synaptic transmission in the medial vestibular nucleus (MVN) is mediated by GABA(A) receptors (GABA(A)Rs) and glycine receptors (GlyRs). To assess their relative contribution to inhibition in the MVN, we recorded miniature inhibitory postsynaptic currents (mIPSCs) in physiologically characterized type ...

journal_title：Journal of neurophysiology

authors： Camp AJ,Callister RJ,Brichta AM

更新日期：2006-05-01 00:00:00

abstract：:Under binaural listening conditions, the detection of target signals within background masking noise is substantially improved when the interaural phase of the target differs from that of the masker. Neural correlates of this binaural masking level difference (BMLD) have been observed in the inferior colliculus and te...

journal_title：Journal of neurophysiology

authors： Hughes LE,Rowe JB,Ghosh BC,Carlyon RP,Plack CJ,Gockel HE

更新日期：2014-12-15 00:00:00

abstract：:1. The aim of this study was to examine the nature of motoneuron firing-rate modulation in type-identified motor units during smoothly graded contractions of the cat medial gastrocnemius (MG) muscle evoked by stimulation of the mesencephalic locomotor region (MLR). Motoneuron discharge patterns, firing rates, and the ...

journal_title：Journal of neurophysiology

authors： Tansey KE,Botterman BR

更新日期：1996-01-01 00:00:00

abstract：:Generalizing newly learned movement patterns beyond the training context is challenging for most motor learning situations. Here we tested whether learning of a new physical property of the arm during self-initiated reaching generalizes to new arm configurations. Human participants performed a single-joint elbow reach...

journal_title：Journal of neurophysiology

authors： Maeda RS,Zdybal JM,Gribble PL,Pruszynski JA

更新日期：2020-03-01 00:00:00

abstract：:To examine the activity of somatosensory cortex (S1) neurons to self-generated shear forces on the index and thumb, two monkeys were trained to grasp a stationary metal tab with a key grip and exert forces without the fingers slipping in one of four orthogonal directions for 1 s. A majority (∼85%) of slowly adapting a...

journal_title：Journal of neurophysiology

authors： Fortier-Poisson P,Langlais JS,Smith AM

更新日期：2016-01-01 00:00:00

abstract：:Modulation of sacral spinal dorsal horn neurons by the ventrolateral PAG was studied by extracellular recording combined with microiontophoretic applications of alpha-adrenergic agonists or antagonists. Bicuculline (BIC, 15 ng) microinjected into the ventrolateral PAG produced a consistent inhibition of the responses ...

journal_title：Journal of neurophysiology

authors： Budai D,Harasawa I,Fields HL

更新日期：1998-11-01 00:00:00

abstract：:1. The modulation of reflex responses in up to 10 simultaneously recorded hindlimb muscles was studied in unrestrained cats walking on a treadmill. Single electrical shocks of various strengths were applied to different skin areas of teh hindlimb at different times of the step cycle while the resulting EMG responses w...

journal_title：Journal of neurophysiology

authors： Duysens J,Loeb GE

更新日期：1980-11-01 00:00:00

abstract：:Lower limb paralysis from spinal cord injury (SCI) or neurological disease carries a poor prognosis for recovery and remains a large societal burden. Neurophysiological and neuroprosthetic research have the potential to improve quality of life for these patients; however, the lack of an ethical and sustainable nonhuma...

journal_title：Journal of neurophysiology

authors： Krucoff MO,Zhuang K,MacLeod D,Yin A,Byun YW,Manson RJ,Turner DA,Oliveira L,Lebedev MA

更新日期：2017-09-01 00:00:00

abstract：:Gaze is the position of the visual axis in space and is the sum of the eye movement relative to the head plus head movement relative to space. In monkeys, a gaze shift is programmed with a single saccade that will, by itself, take the eye to a target, irrespective of whether the head moves. If the head turns simultane...

journal_title：Journal of neurophysiology

authors： Guitton D,Douglas RM,Volle M

更新日期：1984-12-01 00:00:00

abstract：:1. Axonal transection triggers a cascade of pathological processes that frequently lead to the degeneration of the injured neuron. It is generally believed that the degenerative process is triggered by an overwhelming influx of calcium through the cut end of the axon. 2. Theoretical considerations and indirect observa...

journal_title：Journal of neurophysiology

authors： Ziv NE,Spira ME

更新日期：1995-12-01 00:00:00

abstract：:Synapsin is a synaptic vesicle-associated protein implicated in the regulation of vesicle trafficking and transmitter release, but its role in heterosynaptic plasticity remains elusive. Moreover, contradictory results have obscured the contribution of synapsin to homosynaptic plasticity. We previously reported that th...

journal_title：Journal of neurophysiology

authors： Fioravante D,Liu RY,Netek AK,Cleary LJ,Byrne JH

更新日期：2007-12-01 00:00:00

abstract：:1. In the European rock lobster, Homarus gammarus, two bilaterally symmetrical pairs of commissural neurons, P and commissural pyloric (CP), evoke excitatory postsynaptic potentials in the neurons of the pyloric motor network. The present paper shows that the two commissural neurons also exert a modulatory control ove...

journal_title：Journal of neurophysiology

authors： Nagy F,Cardi P

更新日期：1994-06-01 00:00:00

abstract：:1. We have studied the physiology of sensory neurons innervating skin of the rat hindlimb, in three groups of animals: 1) normal animals; 2) animals in which the sural nerve (Sn) had regenerated to its original cutaneous target; and 3) animals in which the gastrocnemius muscle nerve (Gn) had previously been cut and cr...

journal_title：Journal of neurophysiology

authors： Lewin GR,McMahon SB

更新日期：1991-10-01 00:00:00

abstract：:Corneal-responsive neurons were recorded extracellularly in two regions of the spinal trigeminal nucleus, subnucleus interpolaris/caudalis (Vi/Vc) and subnucleus caudalis/upper cervical cord (Vc/C1) transition regions, from methohexital-anesthetized male rats. Thirty-nine Vi/Vc and 26 Vc/C1 neurons that responded to m...

journal_title：Journal of neurophysiology

authors： Hirata H,Hu JW,Bereiter DA

更新日期：1999-11-01 00:00:00

abstract：:Recent studies have reported that human subjects show varying degrees of ability to use contextual cues to recall the motor skills required to compensate for different dynamic external force fields during arm movements. In particular, the subjects showed little or no ability to use color cues to adjust motor outputs i...

journal_title：Journal of neurophysiology

authors： Krouchev NI,Kalaska JF

更新日期：2003-02-01 00:00:00

abstract：:Spontaneous and stimulus-evoked excitatory postsynaptic currents (EPSCs) were recorded in calyx nerve terminals from the turtle vestibular lagena to quantify key attributes of quantal transmission at this synapse. On average, EPSC events had a magnitude of ∼ 42 pA, a rise time constant of τ(0) ∼ 229 μs, decayed to bas...

journal_title：Journal of neurophysiology

authors： Highstein SM,Mann MA,Holstein GR,Rabbitt RD

更新日期：2015-06-01 00:00:00

abstract：:A large body of data suggests that the pontine respiratory group (PRG) is involved in respiratory phase-switching and the reconfiguration of the brain stem respiratory network. However, connectivity between the PRG and ventral respiratory column (VRC) in computational models has been largely ad hoc. We developed a net...

journal_title：Journal of neurophysiology

authors： Rybak IA,O'Connor R,Ross A,Shevtsova NA,Nuding SC,Segers LS,Shannon R,Dick TE,Dunin-Barkowski WL,Orem JM,Solomon IC,Morris KF,Lindsey BG

更新日期：2008-10-01 00:00:00