Lack of hypertonia in thumb muscles after stroke.

abstract：:Synaptic drugs were superfused into turtle eyecup preparation while recording extracellularly from directionally sensitive (DS) retinal ganglion cells. As in previous experiments in intact rabbit retina, both picrotoxin (a GABA antagonist) and physostigmine [an acetylcholine (ACh) potentiator] reduced or eliminated th...

journal_title：Journal of neurophysiology

authors： Ariel M,Adolph AR

更新日期：1985-11-01 00:00:00

abstract：:Various forms of synaptic plasticity, including spike timing-dependent plasticity, can be accounted for by calcium-dependent models of synaptic plasticity. However, recent results in which synaptic plasticity is induced by multi-spike protocols cannot simply be accounted for by linear superposition of plasticity due t...

journal_title：Journal of neurophysiology

authors： Cai Y,Gavornik JP,Cooper LN,Yeung LC,Shouval HZ

更新日期：2007-01-01 00:00:00

abstract：:Cats were reared in total darkness from birth until 4-5 mo of age (DR cats, n = 7) or with very brief visual experience (1 or 2 days) during an otherwise similar period of dark rearing [DR(1) cats, n = 3; DR(2) cats, n = 7]. Single-cell recordings were made in area 17 of visual cortex at the end of this rearing period...

journal_title：Journal of neurophysiology

authors： Mower GD,Christen WG

更新日期：1985-02-01 00:00:00

abstract：:The wiring of synaptic connections in the developing mammalian brain is shaped by both intrinsic and extrinsic signals. One point where these regulatory pathways converge is via the sensory experience-dependent regulation of new gene transcription. Recent studies have elucidated a number of molecular mechanisms that a...

journal_title：Journal of neurophysiology

authors： Chen LF,Zhou AS,West AE

更新日期：2017-08-01 00:00:00

abstract：:1. This study demonstrates plasticity of the vestibuloocular reflex (VOR) in chickens and compares it to that of other species and to that of newly hatched chicks. Adaptive changes in the VOR were induced by subjecting the animals to combinations of visual and vestibular stimuli that simulated the effect of the VOR be...

journal_title：Journal of neurophysiology

authors： Wallman J,Velez J,Weinstein B,Green AE

更新日期：1982-10-01 00:00:00

abstract：:1. We describe a four-layered neural network (Fig. 1), based on the input organization of a collision signaling neuron in the visual system of the locust, the lobula giant movement detector (LGMD). The 250 photoreceptors ("P" units) in layer 1 are excited by any change in illumination, generated when an image edge pas...

journal_title：Journal of neurophysiology

authors： Rind FC,Bramwell DI

更新日期：1996-03-01 00:00:00

abstract：:Distinguishing which of the many proposed neural mechanisms of spatial attention actually underlies behavioral improvements in visually guided tasks has been difficult. One attractive hypothesis is that attention allows downstream neural circuits to selectively integrate responses from the most informative sensory neu...

journal_title：Journal of neurophysiology

authors： Masse NY,Herrington TM,Cook EP

更新日期：2012-09-01 00:00:00

abstract：:1. Eleven adult cats were trained to stop inspiration in response to a conditioning stimulus. The conditioning stimuli were presented at the onset of inspiration at intervals of approximately 20-30 s. Intratracheal pressures, diaphragmatic activity, and the extracellular activity of single medullary respiratory neuron...

journal_title：Journal of neurophysiology

authors： Orem J

更新日期：1989-11-01 00:00:00

abstract：:The acid-sensing ion channels (ASICs) form cation channels that are transiently activated by extracellular protons. They are expressed in dorsal root ganglia (DRG) neurons and in the periphery where they play a function in nociception and mechanosensation. Previous studies showed that FMRFamide and related peptides po...

journal_title：Journal of neurophysiology

authors： Xie J,Price MP,Wemmie JA,Askwith CC,Welsh MJ

更新日期：2003-05-01 00:00:00

abstract：:To investigate the dependence of velocity characteristics on spatiotemporal interactions the velocity selectivity of 15 geniculate and 72 cortical cells (areas 17 and 18) was examined with light and dark bars before and after masking all but the most sensitive part of the receptive field. The use of a 0.3 degree windo...

journal_title：Journal of neurophysiology

authors： Duysens J,Orban GA,Cremieux J

更新日期：1985-10-01 00:00:00

abstract：:Calcium ions are known to play an important role in epileptogenesis. Although there is clear evidence for increased neuronal calcium influx during epileptiform potentials, direct measurements of the corresponding intracellular calcium transients are rare and the origin of calcium influx is not known. Therefore the spa...

journal_title：Journal of neurophysiology

authors： Albowitz B,König P,Kuhnt U

更新日期：1997-01-01 00:00:00

abstract：:The brain stem nucleus locus coeruleus (LC) is thought to modulate cortical excitability by norepinephrine (NE) release in LC forebrain targets. The effects of LC burst discharge, typically evoked by a strong excitatory input, on cortical ongoing activity are poorly understood. To address this question, we combined di...

journal_title：Journal of neurophysiology

authors： Marzo A,Totah NK,Neves RM,Logothetis NK,Eschenko O

更新日期：2014-06-15 00:00:00

abstract：:1. Isolated, single-neuron extracellular potentials were recorded sequentially in area TE of the inferior temporal cortex (IT) of two macaque monkeys (n = 58 and n = 41 neurons). Data were obtained while the animals were performing a paired-associate task. The task utilized five stimuli and eight stimulus pairings (4 ...

journal_title：Journal of neurophysiology

authors： Gochin PM,Colombo M,Dorfman GA,Gerstein GL,Gross CG

更新日期：1994-06-01 00:00:00

abstract：:Under constant light-adapted conditions, vision seems to be rather linear. However, the processes underlying the synaptic transmission between cones and second-order neurons (bipolar cells and horizontal cells) are highly nonlinear. In this paper, the gain-characteristics of the transmission from cones to horizontal c...

journal_title：Journal of neurophysiology

authors： Kraaij DA,Spekreijse H,Kamermans M

更新日期：2000-09-01 00:00:00

abstract：:1. The little brown bat, Myotis lucifugus, employs biosonar pulses containing broadband frequency-modulated (FM) sounds of only one harmonic during the initial phases of echolocation. Neurons throughout the auditory cortex exhibit delay-dependent facilitation to artificial pulses and echoes at particular echo delays. ...

journal_title：Journal of neurophysiology

authors： Paschal WG,Wong D

更新日期：1994-07-01 00:00:00

abstract：:Neural regions in the dorsomedial frontal cortex (DMFC), including the supplementary eye field (SEF) and the presupplementary motor area (pre-SMA), are likely candidates for generating top-down control of saccade target selection. To investigate this, we applied electrical microstimulation to these structures while sa...

journal_title：Journal of neurophysiology

authors： Yang SN,Heinen SJ,Missal M

更新日期：2008-04-01 00:00:00

abstract：:1. The effects of inhibitory amino acid transmitters on horizontal cells in the superfused amphibian retina were studied by the use of conventional intracellular recording techniques. 2. Gamma-aminobutyric acid (GABA) caused a calcium-independent depolarization of horizontal cells in mud puppy and tiger salamander. Th...

journal_title：Journal of neurophysiology

authors： Stockton RA,Slaughter MM

更新日期：1991-03-01 00:00:00

abstract：:Intracellular recordings were performed in Cs-loaded sympathetic preganglionic neurons (SPNs) of the intermediolateral nucleus, identified by antidromic stimulation, in the slice of the T2 or T3 segment of the cat spinal cord. Loading the neurons with Cs resulted in broadening of the action potential, depression of th...

journal_title：Journal of neurophysiology

authors： Yoshimura M,Polosa C,Nishi S

更新日期：1987-05-01 00:00:00

abstract：:Activation of metabotropic glutamate receptors (mGluRs), which are coupled to G proteins, has important roles in certain forms of synaptic plasticity including corticostriatal long-term depression (LTD). In the present study, extracellular field potential and whole cell voltage-clamp recording techniques were used to ...

journal_title：Journal of neurophysiology

authors： Sung KW,Choi S,Lovinger DM

更新日期：2001-11-01 00:00:00

abstract：:In many neurons more than one peptide is colocalized with a classical neurotransmitter. The functional consequence of such an arrangement has been rarely investigated. Here, within the feeding circuit of Aplysia, we investigate at a single synapse the actions of two modulatory neuropeptides that are present in a choli...

journal_title：Journal of neurophysiology

authors： Koh HY,Vilim FS,Jing J,Weiss KR

更新日期：2003-09-01 00:00:00

abstract：:Using whole cell patch-clamp recordings, we examined the effect of colchicine, a microtubule disrupter, on the properties of glycine receptors (GlyRs) in cultured spinal cord neurons. Confocal microscopy revealed that colchicine treatment effectively altered microtubule bundles and neuronal morphology. Application of ...

journal_title：Journal of neurophysiology

authors： van Zundert B,Alvarez FJ,Yevenes GE,Cárcamo JG,Vera JC,Aguayo LG

更新日期：2002-01-01 00:00:00

abstract：:Following the groundbreaking discovery of grid cells, the medial entorhinal cortex (MEC) has become the focus of intense anatomical, physiological, and computational investigations. Whether and how grid activity maps onto cell types and cortical architecture is still an open question. Fundamental similarities in micro...

journal_title：Journal of neurophysiology

authors： Naumann RK,Preston-Ferrer P,Brecht M,Burgalossi A

更新日期：2018-06-01 00:00:00

abstract：:Based on kinematic properties and distinct substrates, there are different classes of eyelid movement described as eyeblinks. We investigate whether the eyelid movements made in response to a conditioned stimulus (CS) are a category of eyelid movements distinct from blinks. Human subjects received 60 trials of classic...

journal_title：Journal of neurophysiology

authors： Schade Powers A,Coburn-Litvak P,Evinger C

更新日期：2010-02-01 00:00:00

abstract：:The octopus cells of the posteroventral cochlear nucleus receive inputs from auditory-nerve fibers and form one of the major ascending auditory pathways. They respond to acoustic and electrical stimulation transiently and are believed to carry temporal information in the precise timing of their action potentials. The ...

journal_title：Journal of neurophysiology

authors： Cai Y,Walsh EJ,McGee J

更新日期：1997-08-01 00:00:00

abstract：:Octopus cells in the posteroventral cochlear nucleus (PVCN) of mammals are biophysically specialized to detect coincident firing in the population of auditory nerve fibers that provide their synaptic input and to convey its occurrence with temporal precision. The precision in the timing of action potentials depends on...

journal_title：Journal of neurophysiology

authors： Bal R,Oertel D

更新日期：2001-11-01 00:00:00

abstract：:Frequency facilitation is a process whereby neurosecretion increases as a function of stimulation frequency during repetitive synaptic activity. To examine the physiological basis underlying facilitation, we have estimated the frequency dependence of the synaptic parameters n (number of units capable of responding to ...

journal_title：Journal of neurophysiology

authors： Worden MK,Bykhovskaia M,Hackett JT

更新日期：1997-07-01 00:00:00

abstract：:The electrical activity of 168 individual neurons located in the medullary reticular formation, namely, in the medial aspects of the nucleus reticularis gigantocellularis, magnocellularis, and ventralis, has been recorded in precollicular decerebrate cats during sinusoidal tilt about the longitudinal axis of the whole...

journal_title：Journal of neurophysiology

authors： Manzoni D,Pompeiano O,Stampacchia G,Srivastava UC

更新日期：1983-11-01 00:00:00

abstract：:Extracellular recordings were made from cold-receptive afferent fibers in the trigeminal ganglion of rats anesthetized with halothane. By applying a standardized series of steady or changing temperatures to the receptive fields, we recorded the static and dynamic responses of the afferents. Comparable recordings were ...

journal_title：Journal of neurophysiology

authors： Davies SN,Goldsmith GE,Hellon RF,Mitchell D

更新日期：1985-02-01 00:00:00

abstract：:Regulation of feeding behavior involves the integration of multiple physiological and neurological pathways that control both nutrient-seeking and consummatory behaviors. The consummatory phase of ingestion includes stereotyped oromotor movements of the tongue and jaw that are controlled through brain stem pathways. T...

journal_title：Journal of neurophysiology

authors： Nasse JS,Travers JB

更新日期：2014-08-01 00:00:00

abstract：:1. The aims of this study were 1) to determine whether the impulse activity in rabbit aortic baroreceptors (BRs) was influenced by changes in nonpulsatile flow through the aortic lumen and 2) to examine the BR and aortic arch responses to changes in temperature. 2. An in vitro aortic arch-aortic nerve preparation was ...

journal_title：Journal of neurophysiology

authors： Munch PA

更新日期：1993-12-01 00:00:00