Cortical representation of the sensory dimension of pain.

abstract：:Spontaneous synchronized bursts of activity play an essential role in the maturation and plasticity of neuronal networks. To investigate the cellular properties that enable spontaneous network activity, we used dissociated cultures of hippocampal neurons that express prolonged network activity bursts. Acute exposure t...

journal_title：Journal of neurophysiology

authors： Cohen D,Segal M

更新日期：2009-04-01 00:00:00

abstract：:This study aimed to determine whether individuals with spastic diplegic cerebral palsy (SDCP) have deficits in anticipatory inhibition of postural muscle activity. Nine individuals with SDCP (SDCP group, 3 female and 6 male, 13-24 yr of age) and nine age- and sex-matched individuals without disability (control group) ...

journal_title：Journal of neurophysiology

authors： Tomita H,Fukaya Y,Totsuka K,Tsukahara Y

更新日期：2013-04-01 00:00:00

abstract：:The process of sensorimotor adaptation is considered to be driven by errors. While sensory prediction errors, defined as the difference between the planned and the actual movement of the cursor, drive implicit learning processes, target errors (e.g., the distance of the cursor from the target) are thought to drive exp...

journal_title：Journal of neurophysiology

authors： Reichenthal M,Avraham G,Karniel A,Shmuelof L

更新日期：2016-08-01 00:00:00

abstract：:Adaptation of movement may be driven by the difference between planned and actual motor performance, or the difference between expected and actual sensory consequences of movement. To identify how the nervous system differentially uses these signals, we asked: does motor adaptation occur when movement errors are irrel...

journal_title：Journal of neurophysiology

authors： Schaefer SY,Shelly IL,Thoroughman KA

更新日期：2012-02-01 00:00:00

abstract：:During an inspiration the output of hypoglossal (XII) motoneurons (HMs) in vitro is characterized by synchronous oscillatory firing in the 20- to 40-Hz range. To maintain synchronicity it is important that the cells fire with high reliability and precision. It is not known whether the intrinsic properties of HMs are t...

journal_title：Journal of neurophysiology

authors： van Brederode JF,Berger AJ

更新日期：2008-06-01 00:00:00

abstract：:In neuroendocrine cells, hormone release often requires a collective burst of action potentials synchronized by gap junctions. This is the case for the electrically coupled bag cell neurons in the reproductive system of the marine snail, Aplysia californica. These neuroendocrine cells are found in two clusters, and fi...

journal_title：Journal of neurophysiology

authors： Dargaei Z,Colmers PL,Hodgson HM,Magoski NS

更新日期：2014-12-01 00:00:00

abstract：:1. Dim backgrounds can enhance small-spot flicker responses of cat retinal horizontal cells by a factor of 2 or more. 2. Intracellular marking with horseradish peroxidase (HRP) reveals that this enhancement effect occurs in--but is not necessarily limited to--the cone-connected, A-type horizontal cell. 3. Flicker ampl...

journal_title：Journal of neurophysiology

authors： Pflug R,Nelson R,Ahnelt PK

更新日期：1990-08-01 00:00:00

abstract：:In contrast to hand movements, the existence of a neural representation of saccade kinematics is unclear. Saccade kinematics is typically thought to be specified by motor error/desired displacement and generated by brain stem circuits that are not penetrable to voluntary control. We studied the influence of instructed...

journal_title：Journal of neurophysiology

authors： Gopal A,Jana S,Murthy A

更新日期：2017-09-01 00:00:00

abstract：:In the first visual synapse of the insect compound eye, both the presynaptic and postsynaptic signals are graded, nonspiking changes in membrane voltage. The synapse exhibits tonic transmitter release (even in dark) and strong adaptation to long-lasting light backgrounds, leading to changes also in the dynamics of sig...

journal_title：Journal of neurophysiology

authors： Uusitalo RO,Weckström M

更新日期：2000-04-01 00:00:00

abstract：:The median nerve N20 and P22 SEP components constitute the initial response of the primary somatosensory cortex to somatosensory stimulation of the upper extremity. Knowledge of the underlying generators is important both for basic understanding of the initial sequence of cortical activation and to identify landmarks ...

journal_title：Journal of neurophysiology

authors： Baumgärtner U,Vogel H,Ohara S,Treede RD,Lenz FA

更新日期：2010-12-01 00:00:00

abstract：:During seizure-like events (SLEs), intracellular Ca2+ concentration ([Ca2+]i) increases causing depolarization of the mitochondrial membrane and subsequent intramitochondrial accumulation of Ca2+. Mitochondrial depolarization results in an interruption of oxidative phosphorylation and increase in reactive oxygen speci...

journal_title：Journal of neurophysiology

authors： Schuchmann S,Buchheim K,Meierkord H,Heinemann U

更新日期：1999-01-01 00:00:00

abstract：:Hypercapnia-induced arousal from sleep is an important protective mechanism pertinent to a number of diseases. Most notably among these are the sudden infant death syndrome, obstructive sleep apnea and sudden unexpected death in epilepsy. Serotonin (5-HT) plays a significant role in hypercapnia-induced arousal. The me...

journal_title：Journal of neurophysiology

authors： Buchanan GF,Smith HR,MacAskill A,Richerson GB

更新日期：2015-07-01 00:00:00

abstract：:It is well established that patterns of sensory input can affect neuroplastic changes during early development. The scope and consequences of experience-dependent plasticity in the adult are less well understood. We studied the possibility that repeated exposure to trains of stroboscopic stimuli could induce a sensiti...

journal_title：Journal of neurophysiology

authors： Uhlrich DJ,Manning KA,O'Laughlin ML,Lytton WW

更新日期：2005-12-01 00:00:00

abstract：:1. A brain stem slice preparation and intracellular techniques were used to examine the cellular properties of neurons within the ventral and ventrolateral region of the nucleus tractus solitarius (v-NTS) in adult and neonatal (3-12 days old) rats. These neurons are believed to be involved in the control of respirator...

journal_title：Journal of neurophysiology

authors： Haddad GG,Getting PA

更新日期：1989-12-01 00:00:00

abstract：:The stress hormone corticosterone increases the amplitude of the slow afterhyperpolarization (sAHP) in CA1 pyramidal neurons, without affecting resting membrane potential, input resistance, or action potential characteristics. We here examined how corticosterone affects these properties in the basolateral amygdala (BL...

journal_title：Journal of neurophysiology

authors： Liebmann L,Karst H,Sidiropoulou K,van Gemert N,Meijer OC,Poirazi P,Joëls M

更新日期：2008-02-01 00:00:00

abstract：:Intrathecally applied nicotine reduces bradykinin-induced plasma extravasation (BK-induced PE) in the rat knee joint. This depression is mediated by the hypothalamo-pituitary-adrenal (HPA) axis and is enhanced by interruption of impulse traffic in afferents of the abdominal vagus nerve. Like intrathecal nicotine, elec...

journal_title：Journal of neurophysiology

authors： Miao FJ,Jänig W,Green PG,Levine JD

更新日期：1997-09-01 00:00:00

abstract：:Damage to the cerebellum causes characteristic movement abnormalities but is thought to have minimal impact on somatosensory perception. Traditional clinical assessments of patients with cerebellar lesions reveal no perceptual deficits despite the fact that the cerebellum receives substantial somatosensory information...

journal_title：Journal of neurophysiology

authors： Bhanpuri NH,Okamura AM,Bastian AJ

更新日期：2012-03-01 00:00:00

abstract：:Monocular organization of the goldfish horizontal neural integrator was studied during spontaneous scanning saccadic and fixation behaviors. Analysis of neuronal firing rates revealed a population of ipsilateral (37%), conjugate (59%), and contralateral (4%) eye position neurons. When monocular optokinetic stimuli wer...

journal_title：Journal of neurophysiology

authors： Debowy O,Baker R

更新日期：2011-02-01 00:00:00

abstract：:Persistent spiking in response to a discrete stimulus is considered to reflect the active maintenance of a memory for that stimulus until a behavioral response is made. This response pattern has been reported in learning paradigms that impose a temporal gap between stimulus presentation and behavioral response, includ...

journal_title：Journal of neurophysiology

authors： Siegel JJ

更新日期：2014-11-01 00:00:00

abstract：:1. Fluorescence changes in the dye di-4-ANEPPS were monitored on the rat's nasal septum and medial surface of the turbinates in response to odorant stimuli. For each mucosal surface a 6.0 x 6.0-mm area was sampled at 100 contiguous sites with a 10 x 10 photodiode array. The odorants were propyl acetate, 2-propanol, ci...

journal_title：Journal of neurophysiology

authors： Youngentob SL,Kent PF,Sheehe PR,Schwob JE,Tzoumaka E

更新日期：1995-01-01 00:00:00

abstract：:1. The preceding study described a corrective response in cats when one hind leg steps into a hole. In this investigation we examine the extent to which this behavior is organized at the spinal level by comparing the responses elicited in intact and chronic spinal cats. 2. Adult cats were trained to step bipedally wit...

journal_title：Journal of neurophysiology

authors： Hiebert GW,Gorassini MA,Jiang W,Prochazka A,Pearson KG

更新日期：1994-02-01 00:00:00

abstract：:Glass micropipettes were used to record the activity of 124 single units in the somatosensory vibrissa cortex (SI) of 16 rats in response to combined deflections of contralateral vibrissae. Compact multiangular electromechanical stimulators were used to stimulate individual vibrissal hairs alone or in combinations of ...

journal_title：Journal of neurophysiology

authors： Simons DJ

更新日期：1985-09-01 00:00:00

abstract：:1. The modulation of the voltage-activated Ca2+ current by the neuropeptide Phe-Met-Arg-Phe-NH2 (FMRFa) was investigated in dissociated central neurons from Helix aspersa using whole-cell voltage-clamp recording techniques. External Ba2+ was always used as the charge carrier in this study, and the intracellular Ca2+ c...

journal_title：Journal of neurophysiology

authors： Yakel JL

更新日期：1991-06-01 00:00:00

abstract：:Long-term depression (LTD) was induced in neocortical layer 5 pyramidal connections by pairing presynaptic firing with subthreshold postsynaptic depolarization (dLTD) or via a spike-timing protocol (tLTD). Like tLTD, dLTD reduced short-term depression and increased the coefficient of variation consistent with a presyn...

journal_title：Journal of neurophysiology

authors： Sjöström PJ,Turrigiano GG,Nelson SB

更新日期：2004-12-01 00:00:00

abstract：:Directional hearing is crucial for animals depending on acoustic signals to locate a mate. We focused on crickets to explore the reliability of directional information forwarded to the brain by the ascending auditory interneuron AN1, which is crucial for phonotactic behavior. We presented calling song from -45° to +45...

journal_title：Journal of neurophysiology

authors： Lv M,Zhang X,Hedwig B

更新日期：2020-03-01 00:00:00

abstract：:Our continuous perception of the world could be the result of discrete sampling, where individual snapshots are seamlessly fused into a coherent stream. It has been argued that endogenous oscillatory brain activity could provide the functional substrate of cortical rhythmic sampling. A new study demonstrates that cort...

journal_title：Journal of neurophysiology

authors： Helfrich RF

更新日期：2018-04-01 00:00:00

abstract：:Spinothalamic (ST) neurons in the C8-T5 segments of the spinal cord were examined for responses to electrical stimulation of the left thoracic vagus nerve (LTV). Seventy-one ST neurons were studied in 39 anesthetized monkeys (Macaca fascicularis). Each neuron could be excited by manipulation of its somatic field and b...

journal_title：Journal of neurophysiology

authors： Ammons WS,Blair RW,Foreman RD

更新日期：1983-10-01 00:00:00

abstract：:It was recently shown that repeated heat stimulation, using brief contacts (<1 s) with a preheated thermode at sufficiently short interstimulus intervals (ISIs <5 s) and high temperatures (> or =51 degrees C), will elicit in humans a sensation of rapidly augmenting "second" (burning) pain with only a weak "first" (sha...

journal_title：Journal of neurophysiology

authors： Craig AD,Andrew D

更新日期：2002-04-01 00:00:00

abstract：:To localize objects relative to ourselves, we need to combine various sensory and motor signals. When these signals change abruptly, as information about eye orientation does during saccades, small differences in latency between the signals could introduce localization errors. We examine whether independent temporal i...

journal_title：Journal of neurophysiology

authors： Maij F,Brenner E,Smeets JB

更新日期：2009-07-01 00:00:00

abstract：:Air hunger (uncomfortable urge to breathe) is a component of dyspnea (shortness of breath). Three human H(2)(15)O positron emission tomography (PET) studies have identified activation of phylogenetically ancient structures in limbic and paralimbic regions during dyspnea. Other studies have shown activation of these st...

journal_title：Journal of neurophysiology

authors： Evans KC,Banzett RB,Adams L,McKay L,Frackowiak RS,Corfield DR

更新日期：2002-09-01 00:00:00