5-HT Modulation of identified segmental premotor interneurons in the lamprey spinal cord.

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：:Many critically ill patients in intensive care units suffer from an infection-induced whole body inflammatory state known as sepsis, which causes severe weakness in patients who survive. The mechanisms by which sepsis triggers intensive care unit-acquired weakness (ICUAW) remain unclear. Currently, research into ICUAW...

journal_title：Journal of neurophysiology

authors： Nardelli P,Khan J,Powers R,Cope TC,Rich MM

更新日期：2013-04-01 00:00:00

abstract：:Since sensory systems operate with a finite quantity of processing resources, an animal would benefit from prioritizing processing of sensory stimuli within a time window that is expected to provide key information. This behavioral manifestation of such prioritization is known as attention. Here, we investigate attent...

journal_title：Journal of neurophysiology

authors： Lee CCY,Clifford CWG,Arabzadeh E

更新日期：2019-03-01 00:00:00

abstract：:Stroke survivors' difficulty in releasing grasped objects may be attributable not only to impaired finger extension but also to delays in terminating activity in the gripping flexor muscles. This study was undertaken 1) to quantify the time needed to initiate and terminate grip muscular activity following stroke and 2...

journal_title：Journal of neurophysiology

authors： Seo NJ,Rymer WZ,Kamper DG

更新日期：2009-06-01 00:00:00

abstract：:Transcranial direct current stimulation (tDCS) can produce a lasting polarity-specific modulation of cortical excitability in the brain, and it is increasingly used in experimental and clinical settings. Recent studies suggest that the after-effects of tDCS are related to molecular mechanisms of activity-dependent syn...

journal_title：Journal of neurophysiology

authors： Ranieri F,Podda MV,Riccardi E,Frisullo G,Dileone M,Profice P,Pilato F,Di Lazzaro V,Grassi C

更新日期：2012-04-01 00:00:00

abstract：:Microelectrode arrays (MEAs) are appealing tools to probe large neural ensembles and build neural prostheses. Microelectronics microfabrication technologies now allow building high-density MEAs containing several hundreds of microelectrodes. However, several major problems become limiting factors when the size of the ...

journal_title：Journal of neurophysiology

authors： Heim M,Rousseau L,Reculusa S,Urbanova V,Mazzocco C,Joucla S,Bouffier L,Vytras K,Bartlett P,Kuhn A,Yvert B

更新日期：2012-09-01 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：:Much has been studied and written about plastic changes in the CNS of humans triggered by events such as limb amputation. However, little is known about the extent to which the original pathways retain residual function after peripheral amputation. Our earlier, acute study on long-term amputees indicated that central ...

journal_title：Journal of neurophysiology

authors： Dhillon GS,Krüger TB,Sandhu JS,Horch KW

更新日期：2005-05-01 00:00:00

abstract：:Visual search is a ubiquitous visual behavior, and efficient search is essential for survival. Different cognitive models have explained the speed and accuracy of search based either on the dynamics of attention or on similarity of item representations. Here, we examined the extent to which performance on a visual sea...

journal_title：Journal of neurophysiology

authors： Cohen MA,Alvarez GA,Nakayama K,Konkle T

更新日期：2017-01-01 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：:1. Inhibitors of extracellular carbonic anhydrase (CAo) offer much promise as diagnostic tools in the study of the synaptic basis of activity-induced alkaline transients in the brain. However, most of the present information related to the effects of CAo blockers in nervous tissue comes from experiments that involve s...

journal_title：Journal of neurophysiology

authors： Voipio J,Paalasmaa P,Taira T,Kaila K

更新日期：1995-08-01 00:00:00

abstract：:Impairments in human motor patterns are complex: what is often observed as a single global deficit (e.g., limping when walking) is actually the sum of several distinct abnormalities. Motor adaptation can be useful to teach patients more normal motor patterns, yet conventional training paradigms focus on individual fea...

journal_title：Journal of neurophysiology

authors： Statton MA,Toliver A,Bastian AJ

更新日期：2016-05-01 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：:The R6/2 mouse is the most frequently used model for experimental and preclinical drug trials in Huntington's disease (HD). When the R6/2 mouse was first developed, it carried exon 1 of the huntingtin gene with ~150 cytosine-adenine-guanine (CAG) repeats. The model presented with a rapid and aggressive phenotype that ...

journal_title：Journal of neurophysiology

authors： Cummings DM,Alaghband Y,Hickey MA,Joshi PR,Hong SC,Zhu C,Ando TK,André VM,Cepeda C,Watson JB,Levine MS

更新日期：2012-01-01 00:00:00

abstract：:Plantar cutaneous afferent transmission is critical for recovery of locomotion in spinalized animals, whereas a phase-dependent reflex modulation is apparent during fictive or real locomotion. In nine people with a chronic spinal cord injury (SCI) the effects of foot sole stimulation on the soleus H-reflex and tibiali...

journal_title：Journal of neurophysiology

authors： Knikou M

更新日期：2010-03-01 00:00:00

abstract：:1. The receptive fields of 48 specific cold units, located in the hairy and glaborous skin of fore- and hindlimbs of rhesus monkeys, were mapped and scale drawings made. Forty-five percent had single spotlike receptive fields of 1-2 mm diameter or were up to 2 mm wide and 3-5 mm long, and formed straight, crescent, or...

journal_title：Journal of neurophysiology

authors： Kenshalo DR,Duclaux R

更新日期：1977-03-01 00:00:00

abstract：:Propriospinal interneurons in the thoracic spinal cord have vital roles not only in controlling respiratory and trunk muscles, but also in providing possible substrates for recovery from spinal cord injury. Intracellular recordings were made from such interneurons in anesthetized cats under neuromuscular blockade and ...

journal_title：Journal of neurophysiology

authors： Saywell SA,Ford TW,Meehan CF,Todd AJ,Kirkwood PA

更新日期：2011-02-01 00:00:00

abstract：:1. The stiffness during the initial portion of a ramp stretch was measured in cat peroneus longus muscle at rest and during maximal tetanic contractions produced by increasing numbers of motor units of the same type [slow (S), fast fatigue resistant (FR), or fast fatigable (FF)]. 2. This initial ramp stiffness was def...

journal_title：Journal of neurophysiology

authors： Petit J,Filippi GM,Gioux M,Hunt CC,Laporte Y

更新日期：1990-12-01 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：:Contrast thresholds for detection of stationary and flickering gratings were measured behaviorally for each eye of cats raised with induced convergent strabismus. The performance of the deviating eye was inferior to that of the nondeviating eye when test patterns were stationary. Flicker served to reduce the performan...

journal_title：Journal of neurophysiology

authors： Holopigian K,Blake R

更新日期：1983-07-01 00:00:00

abstract：:Previous studies have rarely tested whether the activity of high-frequency discharge (HFD) neurons of the basal ganglia (BG) is modulated by expectation, delivery, and omission of aversive events. Therefore the full value domain encoded by the BG network is still unknown. We studied the activity of HFD neurons of the ...

journal_title：Journal of neurophysiology

authors： Joshua M,Adler A,Rosin B,Vaadia E,Bergman H

更新日期：2009-02-01 00:00:00

abstract：:Cross-orientation suppression was measured in human primary visual cortex (V1) to test the normalization model. Subjects viewed vertical target gratings (of varying contrasts) with or without a superimposed horizontal mask grating (fixed contrast). We used functional magnetic resonance imaging (fMRI) to measure the ac...

journal_title：Journal of neurophysiology

authors： Brouwer GJ,Heeger DJ

更新日期：2011-11-01 00:00:00

abstract：:Noninvasive alternating current stimulation can induce vision restoration in patients with chronic optic nerve damage and results in electroencephalogram (EEG) aftereffects. To better understand the mechanisms of action, we studied such EEG "aftereffects" of transcorneal alternating current stimulation (tACS) at the c...

journal_title：Journal of neurophysiology

authors： Sergeeva EG,Fedorov AB,Henrich-Noack P,Sabel BA

更新日期：2012-11-01 00:00:00

abstract：:Serotonin (5-hydroxytryptamine, 5-HT) inhibits the induction of long-term synaptic plasticity in layer 2/3 of the visual cortex at the end of its critical period in rats. However, the cellular and molecular mechanisms remain unclear. Since inhibitory influence is crucial in the induction of synaptic plasticity, the ef...

journal_title：Journal of neurophysiology

authors： Jang HJ,Cho KH,Park SW,Kim MJ,Yoon SH,Rhie DJ

更新日期：2012-01-01 00:00:00

abstract：:Using near-infrared spectroscopy (NIRS) and multichannel probes, we studied hemoglobin (Hb) concentration changes when single-pulse transcranial magnetic stimulation (TMS) was applied over the left hemisphere primary motor cortex (M1). Seventeen measurement probes were centered over left M1. Subjects were studied in b...

journal_title：Journal of neurophysiology

authors： Furubayashi T,Mochizuki H,Terao Y,Arai N,Hanajima R,Hamada M,Matsumoto H,Nakatani-Enomoto S,Okabe S,Yugeta A,Inomata-Terada S,Ugawa Y

更新日期：2013-03-01 00:00:00

abstract：:Two forms of undulatory locomotion in the lamprey (a lower vertebrate) have been described earlier: fast forward swimming (FFS) used for long distance migrations and slow backward swimming (SBS) used for escape from adverse tactile stimuli. In the present study, we describe another form of escape behavior: slow forwar...

journal_title：Journal of neurophysiology

authors： Islam SS,Zelenin PV

更新日期：2008-01-01 00:00:00

abstract：:Earlier studies suggest that the inferior temporal (IT) cortex of the monkey plays a key role in color discrimination. Here, we examined the quantitative relationship between color judgment in monkeys and the responses of color-selective neurons in the anterior part of the IT cortex (area TE) by comparing neuronal act...

journal_title：Journal of neurophysiology

authors： Matsumora T,Koida K,Komatsu H

更新日期：2008-12-01 00:00:00

abstract：:The noted disruption of thalamocortical connections and abnormalities in tactile sensory function has resulted in a new definition of cerebral palsy (CP) that recognizes the sensorimotor integration process as central to the motor impairments seen in these children. Despite this updated definition, the connection betw...

journal_title：Journal of neurophysiology

authors： Kurz MJ,Heinrichs-Graham E,Becker KM,Wilson TW

更新日期：2015-05-01 00:00:00

abstract：:A quantitative analysis of activity-related calcium dynamics was performed in motoneurons of the nucleus hypoglossus in the brain stem slice preparation from mouse by simultaneous patch-clamp and microfluorometric calcium measurements. Motoneurons were analyzed under in vitro conditions that kept them in a functionall...

journal_title：Journal of neurophysiology

authors： Lips MB,Keller BU

更新日期：1999-12-01 00:00:00

abstract：:The voltage-gated K(+) channel Kv1.3 has been reported to regulate transmitter release in select central and peripheral neurons. In this study, we evaluated its role at the synapse between visceral sensory afferents and secondary neurons in the nucleus of the solitary tract (NTS). We identified mRNA and protein for Kv...

journal_title：Journal of neurophysiology

authors： Ramirez-Navarro A,Glazebrook PA,Kane-Sutton M,Padro C,Kline DD,Kunze DL

更新日期：2011-06-01 00:00:00