Decreased heart rate and enhanced sinus arrhythmia during interictal sleep demonstrate autonomic imbalance in generalized epilepsy.

abstract：:It has been shown that tetanic stimulation of area 2 of the somatosensory cortex produces long-term potentiation in neurons in area 4gamma, and this has been suggested as the basis of learning new motor skills. The purpose of this study was to further elucidate the characteristics of this projection by the use of evok...

journal_title：Journal of neurophysiology

authors： Caria MA,Kaneko T,Kimura A,Asanuma H

更新日期：1997-06-01 00:00:00

abstract：:The hypothesis that gamma-band oscillations are related to the representation of an environmental scene in the cerebral cortex after binding of corresponding perceptual elements is currently under discussion. One question is how the sensory system reacts to a fast change in the scene if perceptual elements are rigidly...

journal_title：Journal of neurophysiology

authors： Ross B,Herdman AT,Pantev C

更新日期：2005-12-01 00:00:00

abstract：:Rod signals traverse several synapses en route to cone bipolar cells. In one pathway, rods communicate directly with cones via gap junctions. In a second pathway, signals flow rods-rod bipolars-AII amacrines-cone bipolars. The relative contribution of each pathway to retinal function is not well understood. Here we ha...

journal_title：Journal of neurophysiology

authors： Trexler EB,Li W,Massey SC

更新日期：2005-03-01 00:00:00

abstract：:In rats, whisker trimming during development leads to persistent alterations in the function of cortical barrel circuits and to behavioral deficits later in life. Here we examined how whisker trimming begun either at birth (P0) or on postnatal day 12 (P12), around the onset of whisking behavior, affects receptive fiel...

journal_title：Journal of neurophysiology

authors： Shoykhet M,Land PW,Simons DJ

更新日期：2005-12-01 00:00:00

abstract：:1. Somatic K currents of cultured hippocampal, striatal, and spinal cord neurons of embryonic rat were recorded under voltage clamp in membrane spheres ("blebs") excised by means of a tight-seal pipette. 2. The somatic K current in blebs was subject to rapid and near complete inactivation during 300-ms depolarizations...

journal_title：Journal of neurophysiology

authors： Rizzo MA,Nonner W

更新日期：1992-11-01 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：: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：:Our objective was to assess the mechanical changes associated with spasticity in elbow muscles of chronic hemiparetic stroke survivors and to compare these changes with those recorded in the ankle muscles of a similar cohort. We first characterized elbow dynamic stiffness by applying pseudorandom binary positional per...

journal_title：Journal of neurophysiology

authors： Mirbagheri MM,Settle K,Harvey R,Rymer WZ

更新日期：2007-08-01 00:00:00

abstract：:Capacitance measurements allow direct studies of exocytosis and endocytosis in single synaptic terminals isolated from bipolar neurons of goldfish retina. Extending the technique to intact bipolar cells, with their more complex morphology, requires information about the cells' electrotonic architecture. To this end, w...

journal_title：Journal of neurophysiology

authors： Mennerick S,Zenisek D,Matthews G

更新日期：1997-07-01 00:00:00

abstract：:1. A total of 312 cutaneous afferent units identified in the rat foot as belonging to one of nine major types of sensory receptors were included in the present study. A natural stimulus set was defined to differentiate optimally among those receptor types according to the distinguishing response patterns that it produ...

journal_title：Journal of neurophysiology

authors： Leem JW,Willis WD,Weller SC,Chung JM

更新日期：1993-12-01 00:00:00

abstract：:1. Whole-cell patch-clamp recordings of excitatory postsynaptic currents (EPSCs) were made from guinea pig hippocampal CA1 pyramidal cells. The sensitivity of paired pulse facilitation (PPF) and EPSC variance to changes in synaptic transmission was investigated and the results were compared with the changes in these p...

journal_title：Journal of neurophysiology

authors： Manabe T,Wyllie DJ,Perkel DJ,Nicoll RA

更新日期：1993-10-01 00:00:00

abstract：:Learning theories of drug addiction propose that the disorder is, at least in part, attributable to drug effects on accumbal mechanisms that are normally involved in reward-related learning. The neurophysiological mechanisms that might transduce such a drug effect on accumbal mechanisms have yet to be identified. Prev...

journal_title：Journal of neurophysiology

authors： Peoples LL,Cavanaugh D

更新日期：2003-08-01 00:00:00

abstract：:1. The tension produced by the combined stimulation of two to four single motor units of the cat tibialis posterior muscle was compared with the algebraic sum of the tensions produced by each individual motor unit. Comparisons were made under isometric conditions and during imposed changes in muscle length. 2. Under i...

journal_title：Journal of neurophysiology

authors： Powers RK,Binder MD

更新日期：1991-12-01 00:00:00

abstract：:1. This paper examines the electrophysiological properties of cultured rat adrenal chromaffin cells at different stages of neuron-like morphological differentiation in response to nerve growth factor (NGF). 2. Chromaffin cells display a large variability in the morphological changes after exposure to NGF. However, a m...

journal_title：Journal of neurophysiology

authors： Islas-Suárez L,Gómez-Chavarín M,Drucker-Colín R,Hernández-Cruz A

更新日期：1994-10-01 00:00:00

abstract：:Extracellular recordings of 209 neurons were obtained with carbon fiber-containing multibarrel micropipettes. The cells were isolated in the primary somatosensory cortex of cats anesthetized with barbiturate and classified according to the nature of their response to natural stimuli, the nature of the surrounding mult...

journal_title：Journal of neurophysiology

authors： Dykes RW,Landry P,Metherate R,Hicks TP

更新日期：1984-12-01 00:00:00

abstract：:In addition to a primary somatosensory cortex (SI), the cerebral cortex of all mammals contains a second somatosensory area (SII); however, the functions of SII are largely unknown. Our aim was to explore the functions of SII by comparing response properties of whisker-related neurons in this area with their counterpa...

journal_title：Journal of neurophysiology

authors： Kwegyir-Afful EE,Keller A

更新日期：2004-10-01 00:00:00

abstract：:Two-Photon Processor (TPP) is a versatile, ready-to-use, and freely available software package in MATLAB to process data from in vivo two-photon calcium imaging. TPP includes routines to search for cell bodies in full-frame (Search for Neural Cells Accelerated; SeNeCA) and line-scan acquisition, routines for calcium s...

journal_title：Journal of neurophysiology

authors： Tomek J,Novak O,Syka J

更新日期：2013-07-01 00:00:00

abstract：:We observed endocytosis in real time in stimulated frog motor nerve terminals by imaging the growth of large membrane infoldings labeled with a low concentration of FM dye. The spatial and temporal information made available by these experiments allowed us to image several new aspects of this synaptic vesicle recyclin...

journal_title：Journal of neurophysiology

authors： Gaffield MA,Romberg CF,Betz WJ

更新日期：2011-08-01 00:00:00

abstract：:1. Adaptation and disadaptation rates determine the temporal response properties of sensory receptor cells. In chemoreception, temporal filter properties of receptor cells are poorly understood. We studied the time course of disadaptation in lobster antennular chemoreceptor cells by using in situ high-resolution stimu...

journal_title：Journal of neurophysiology

authors： Gomez G,Atema J

更新日期：1996-08-01 00:00:00

abstract：:Temporal lobe epilepsy (TLE) is the most common form of epilepsy in adults and is often refractory to antiepileptic medications. The medial entorhinal area (MEA) is affected in TLE but mechanisms underlying hyperexcitability of MEA neurons require further elucidation. Previous studies suggest that inputs from the pres...

journal_title：Journal of neurophysiology

authors： Abbasi S,Kumar SS

更新日期：2015-11-01 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

abstract：:1. Single motor axons innervating human toe extensor muscles were selectively stimulated through a tungsten microelectrode inserted percutaneously into the peroneal nerve. Twitch and tetanic forces were measured from a strain gauge over the proximal phalanx of the toe generating the greatest force. Twitch data were ob...

journal_title：Journal of neurophysiology

authors： Macefield VG,Fuglevand AJ,Bigland-Ritchie B

更新日期：1996-06-01 00:00:00

abstract：:The spike timing reliability of Aplysia motoneurons stimulated by repeated presentation of periodic or aperiodic input currents is investigated. Two properties of the input are varied, the frequency content and the relative amplitude of the fluctuations to the mean (expressed as the coefficient of variation: CV). It i...

journal_title：Journal of neurophysiology

authors： Hunter JD,Milton JG,Thomas PJ,Cowan JD

更新日期：1998-09-01 00:00:00

abstract：:Previous studies have reported an important relationship between increasing age, vestibular impairment, and increased risk of falls. Recently, noisy galvanic vestibular stimulation (nGVS) has been shown to improve postural control in older adults during and potentially following stimulation. However, this effect of nG...

journal_title：Journal of neurophysiology

authors： Nooristani M,Bigras C,Lafontaine L,Bacon BA,Maheu M,Champoux F

更新日期：2020-12-09 00:00:00

abstract：:Recent studies have pointed to olfactory system beta oscillations of the local field potential (15-30 Hz) and their roles both in learning and as specific responses to predator odors. To describe odorant physical properties, resultant behavioral responses and changes in the central olfactory system that may induce the...

journal_title：Journal of neurophysiology

authors： Lowry CA,Kay LM

更新日期：2007-07-01 00:00:00

abstract：:1. Hair cells in whole-mount in vitro preparations of the utricular macula of the bullfrog (Rana catesbeiana) were selected according to their macular location and hair bundle morphology. The voltage responses of selected hair cells to intracellular current steps and sinusoids in the frequency range of 0.5-200 Hz were...

journal_title：Journal of neurophysiology

authors： Baird RA

更新日期：1994-02-01 00:00:00

abstract：:We studied gamma-aminobutyric acid (GABA)-mediated currents in short-term cultured dorsal unpaired median (DUM) neurons of cockroach Periplaneta americana using the whole cell patch-clamp technique in symmetrical chloride solutions. All DUM neurons voltage-clamped at -50 mV displayed inward currents (I(GABA)) when 10(...

journal_title：Journal of neurophysiology

authors： Alix P,Grolleau F,Hue B

更新日期：2002-06-01 00:00:00

abstract：:Norepinephrine (NE) is a potent modulator of breathing that can increase/decrease respiratory activity by α1-/α2-adrenergic receptor (AR) activation, respectively. The retrotrapezoid nucleus (RTN) is known to contribute to central chemoreception, inspiration, and active expiration. Here we investigate the sources of c...

journal_title：Journal of neurophysiology

authors： Oliveira LM,Moreira TS,Kuo FS,Mulkey DK,Takakura AC

更新日期：2016-09-01 00:00:00

abstract：:1. The goal of this study was to compare the relative effectiveness of intrinsic inhibitory synaptic inputs in different layers of the cat motor cortex. Postsynaptic potentials (PSPs) were evoked in neurons located in the superficial (layer II-III) or deep layers (layer V) by local extracellular stimulation in vitro. ...

journal_title：Journal of neurophysiology

authors： van Brederode JF,Spain WJ

更新日期：1995-09-01 00:00:00

abstract：:L-type calcium channels couple membrane depolarization in neurons to numerous processes including gene expression, synaptic efficacy, and cell survival. To establish the contribution of L-type calcium channels to various signaling cascades, investigators have relied on their unique pharmacological sensitivity to dihyd...

journal_title：Journal of neurophysiology

authors： Lipscombe D,Helton TD,Xu W

更新日期：2004-11-01 00:00:00