Neural response properties of primary, rostral, and rostrotemporal core fields in the auditory cortex of marmoset monkeys.

abstract：:Proinflammatory cytokines may sensitize primary sensory neurons and facilitate development of neuropathic pain processes after peripheral nerve injury. The goal of this study was to determine whether responses of dorsal root ganglion (DRG) neurons to exogenous tumor necrosis factor alpha (TNF-alpha) are altered in a c...

journal_title：Journal of neurophysiology

authors： Liu B,Li H,Brull SJ,Zhang JM

更新日期：2002-09-01 00:00:00

abstract：:1. Here we study the variability in extracellular records of action potentials. Our work is motivated, in part, by the need to construct effective algorithms to classify single-unit waveforms from multiunit recordings. 2. We used microwire electrode pairs (stereotrodes) to record from primary somatosensory cortex of a...

journal_title：Journal of neurophysiology

authors： Fee MS,Mitra PP,Kleinfeld D

更新日期：1996-12-01 00:00:00

abstract：:We constantly make eye movements to bring objects of interest onto the fovea for more detailed processing. Activity in area V4, a prestriate visual area, is enhanced at the location corresponding to the target of an eye movement. However, the precise role of activity in V4 in relation to these saccades and the modulat...

journal_title：Journal of neurophysiology

authors： Gee AL,Ipata AE,Goldberg ME

更新日期：2010-10-01 00:00:00

abstract：:1. A quantitative analysis of facilitation during the kindling stimulation to the amygdala was conducted by measuring the area between the excitatory potential and the baseline in the averaged tetanic response recorded at the entorhinal cortex. The changes in facilitation were then compared with the development of ele...

journal_title：Journal of neurophysiology

authors： Matsuura S,Hirayama K,Murata R

更新日期：1993-08-01 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 vestibular system operates in a push-pull fashion using signals from both labyrinths and an intricate bilateral organization. Unilateral vestibular lesions cause well-characterized motor deficits that are partially compensated over time and whose neural correlates have been traced in the mean response modulation o...

journal_title：Journal of neurophysiology

authors： Yu XJ,Thomassen JS,Dickman JD,Newlands SD,Angelaki DE

更新日期：2014-08-15 00:00:00

abstract：:When the head is free to move, electrical stimulation in the frontal eye field (FEF) evokes eye and head movements. However, it is unclear whether FEF stimulation-evoked head movements contribute to shifting the line of sight, like visually guided coordinated eye-head gaze shifts. Here we investigated this issue by sy...

journal_title：Journal of neurophysiology

authors： Chen LL

更新日期：2006-06-01 00:00:00

abstract：:Many neurophysiological experiments involving monkeys require that the head be stabilized while the animal performs a task. Often a post is attached to the skull to accomplish this goal, using a headcap formed from dental acrylic. We describe a new headpost, developed by refinement of several prototypes, and supply an...

journal_title：Journal of neurophysiology

authors： Adams DL,Economides JR,Jocson CM,Horton JC

更新日期：2007-08-01 00:00:00

abstract：:Homosynaptic long-term depression (LTD) of synaptic efficacy was induced in field excitatory postsynaptic potentials by administration of 900 pulses at either 1 or 3 Hz in 2- to 3-wk-old Sprague-Dawley rats. The stimulation was administered via a bipolar stimulating electrode placed immediately adjacent to the recordi...

journal_title：Journal of neurophysiology

authors： Christie BR,Schexnayder LK,Johnston D

更新日期：1997-03-01 00:00:00

abstract：:1. Effects of substance P (SP) and other tachykinins on membrane currents were investigated using whole cell voltage clamp in cultured sensory neurons isolated from rat dorsal root ganglia. 2. SP (100 nM) evoked an inward current in two-thirds of the cells at negative potentials. In most of the cells that generated th...

journal_title：Journal of neurophysiology

authors： Inoue K,Nakazawa K,Inoue K,Fujimori K

更新日期：1995-02-01 00:00:00

abstract：:Synchronous neural oscillations are found throughout the brain and are thought to contribute to neural coding and the propagation of activity. Several proposed mechanisms of synchronization have gained support through combined theoretical and experimental investigation, including mechanisms based on coupling and corre...

journal_title：Journal of neurophysiology

authors： Burton SD,Ermentrout GB,Urban NN

更新日期：2012-10-01 00:00:00

abstract：:1. Taste buds in catfish are found not only within the oropharyngeal cavity, as in mammals, but are also located along the external body surface of the animal from the barbels and lips to the caudal fin. Because these taste buds are innervated by the facial (cranial VII) nerve, the extraoral taste system of catfish is...

journal_title：Journal of neurophysiology

authors： Michel W,Caprio J

更新日期：1991-07-01 00:00:00

abstract：:1. Study of memory traces in higher animals requires experimental models possessing well-localized and technically accessible memory traces--plasticity responsible for behavioral change, not dependent on control from elsewhere, and open to detailed investigation. Our purpose has been to develop such a model based on t...

journal_title：Journal of neurophysiology

authors： Wolpaw JR,Lee CL

更新日期：1989-03-01 00:00:00

abstract：:The spider VS-3 slit-sense organ contains two types of primary mechanoreceptor neurons that are morphologically similar but have different electrical behavior. Type A neurons fire only one or two action potentials in response to a mechanical or electrical step of any amplitude above the threshold, whereas type B neuro...

journal_title：Journal of neurophysiology

authors： Torkkeli PH,French AS

更新日期：2002-03-01 00:00:00

abstract：:Pentobarbital, a general anesthetic, has received extensive study for its ability to potentiate inhibition at GABA(A) subtype of receptors for GABA. Using whole cell current-clamp techniques and bath applications, we determined the effects of pentobarbital and GABA receptor antagonists on the membrane properties and t...

journal_title：Journal of neurophysiology

authors： Wan X,Puil E

更新日期：2002-12-01 00:00:00

abstract：:The mechanical state encoded by slowly adapting type 1 mechanoreceptors (SAI) during indentation was examined using an isolated preparation in a rat model. Skin and its intact innervation were harvested from the medial thigh of the rat hindlimb and placed in a dish, with the corium side down, containing synthetic inte...

journal_title：Journal of neurophysiology

authors： Ge W,Khalsa PS

更新日期：2002-04-01 00:00:00

abstract：:It is often suggested that decisions are made when accumulated sensory information reaches a fixed accuracy criterion. This is supported by many studies showing a gradual build up of neural activity to a threshold. However, the proposal that this build up is caused by sensory accumulation is challenged by findings tha...

journal_title：Journal of neurophysiology

authors： Thura D,Beauregard-Racine J,Fradet CW,Cisek P

更新日期：2012-12-01 00:00:00

abstract：:1. The simplicity of the jellyfish nervous system makes it an ideal preparation to assess the contributions of different ion channels to behavior. In the giant motor axons of the jellyfish Aglantha digitale, low-threshold spikes elicit slow swimming, whereas escape swimming depends on a higher-threshold, overshooting ...

journal_title：Journal of neurophysiology

authors： Meech RW,Mackie GO

更新日期：1993-03-01 00:00:00

abstract：:Olfactory receptor neurons (ORNs) respond to odorants with changes in the action potential firing rate. Excitatory responses, consisting of firing increases, are mediated by a cyclic AMP cascade that leads to the activation of cationic nonselective cyclic nucleotide-gated (CNG) channels and Ca2+-dependent Cl- (ClCa) c...

journal_title：Journal of neurophysiology

authors： Delgado R,Saavedra MV,Schmachtenberg O,Sierralta J,Bacigalupo J

更新日期：2003-09-01 00:00:00

abstract：:The mechanisms underlying the depression of evoked fast excitatory postsynaptic currents (EPSCs) following superfusion with medium deprived of oxygen and glucose (in vitro ischemia) for a 4-min period in hippocampal CA1 neurons were investigated in rat brain slices. The amplitude of evoked fast EPSCs decreased by 85 +...

journal_title：Journal of neurophysiology

authors： Tanaka E,Yasumoto S,Hattori G,Niiyama S,Matsuyama S,Higashi H

更新日期：2001-09-01 00:00:00

abstract：:We examined the contribution of the motor cortex to the control of intralimb coordination during reaching in the standing cat. We recorded the activity of 151 pyramidal tract neurons (PTNs) in the forelimb representation of three cats during a task in which the cat reached forward from a standing position to press a l...

journal_title：Journal of neurophysiology

authors： Yakovenko S,Krouchev N,Drew T

更新日期：2011-01-01 00:00:00

abstract：:We presented optic flow and real movement heading stimuli while recording MSTd neuronal activity. Monkeys were alternately engaged in three tasks: visual detection of optic flow heading perturbations, vestibular detection of real movement heading perturbations, and auditory detection of brief tones. Push-button RTs we...

journal_title：Journal of neurophysiology

authors： Page WK,Duffy CJ

更新日期：2018-01-01 00:00:00

abstract：:The purpose of this study was to examine which primary afferent fibers are sensitized to mechanical stimuli after an experimental surgical incision to the glabrous skin of the rat hindpaw. Afferent fibers teased from the L(5) dorsal root or the tibial nerve were recorded in anesthetized rats. The mechanical response p...

journal_title：Journal of neurophysiology

authors： Hämäläinen MM,Gebhart GF,Brennan TJ

更新日期：2002-02-01 00:00:00

abstract：:Hyperpolarization-activated cyclic nucleotide-gated (HCN) channels are responsible for the functional hyperpolarization-activated current (I(h)) in dorsal root ganglion (DRG) neurons, playing an important role in pain processing. We found that the known analgesic loperamide inhibited I(h) channels in rat DRG neurons. ...

journal_title：Journal of neurophysiology

authors： Vasilyev DV,Shan Q,Lee Y,Mayer SC,Bowlby MR,Strassle BW,Kaftan EJ,Rogers KE,Dunlop J

更新日期：2007-05-01 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：:To explore a visual scene, the brain must detect an object of interest and direct the eyes to it. To investigate the brain's mechanism of saccade target selection, we trained monkeys to perform a visual search task with a response delay and recorded neuronal activity in the prefrontal (PF) cortex. Even though the monk...

journal_title：Journal of neurophysiology

authors： Hasegawa RP,Matsumoto M,Mikami A

更新日期：2000-09-01 00:00:00

abstract：:Tinnitus is a phantom auditory perception without an external sound source and is one of the most common public health concerns that impair the quality of life of many individuals. However, its neural mechanisms remain unclear. We herein examined population-level frequency tuning in the auditory cortex of unilateral t...

journal_title：Journal of neurophysiology

authors： Sekiya K,Takahashi M,Murakami S,Kakigi R,Okamoto H

更新日期：2017-03-01 00:00:00

abstract：:1. The selectivity of adaptation to unidirectional motion was examined in neurons of the cat striate cortex. Following prolonged stimulation with a unidirectional high-contrast grating, the responsivity of cortical neurons was reduced. In many units this decrease was restricted to the direction of prior stimulation. T...

journal_title：Journal of neurophysiology

authors： Marlin SG,Hasan SJ,Cynader MS

更新日期：1988-04-01 00:00:00

abstract：:Primates can generate accurate, smooth eye-movement responses to moving target objects of arbitrary shape and size, even in the presence of complex backgrounds and/or the extraneous motion of non-target objects. Most previous studies of pursuit have simply used a spot moving over a featureless background as the target...

journal_title：Journal of neurophysiology

authors： Masson GS,Stone LS

更新日期：2002-11-01 00:00:00

abstract：:1. To obtain a comprehensive map of the ascending projection of the midbrain periaqueductal gray, small amounts of [3H]leucine were injected into discrete regions of the periaqueductal gray (PAG) of the monkey. 2. Despite the fact that different regions of the PAG were injected in separate animals, the majority of the...

journal_title：Journal of neurophysiology

authors： Mantyh PW

更新日期：1983-03-01 00:00:00