Tonic and phasic discharge patterns in toe flexor gamma-motoneurons during locomotion in the decerebrate cat.

abstract：:Glutamate-receptor-mediated synaptic transmission was studied in morphologically identified hippocampal dentate granule cells (DGCs; n = 31) with the use of whole cell patch-clamp recording and intracellular injection of biocytin or Lucifer yellow in slices prepared from surgically removed medial temporal lobe specime...

journal_title：Journal of neurophysiology

authors： Isokawa M,Levesque M,Fried I,Engel J Jr

更新日期：1997-06-01 00:00:00

abstract：:Lateral protocerebral interneurons (LPIs) in the central olfactory pathway of the freshwater crayfish Procambarus clarkii reside within the lateral protocerebrum and receive direct input from projection neurons of the olfactory midbrain. The LPIs exhibit periodic (0.5 Hz) changes in membrane potential that are imposed...

journal_title：Journal of neurophysiology

authors： Mellon D Jr,Wheeler CJ

更新日期：1999-03-01 00:00:00

abstract：:The activity of jaw muscle receptors was studied by recording neurons in the mesencephalic nucleus of the trigeminal nerve in monkeys trained to control the position and movement of their mandible. Jaw position was measured by a weighted lever resting on the mandibular incisors. The force required to maintain the posi...

journal_title：Journal of neurophysiology

authors： Larson CR,Finocchio DV,Smith A,Luschei ES

更新日期：1983-07-01 00:00:00

abstract：:Three nonspiking interneurons are described in this paper that influence the activity of the motor neurons of three muscles of the proximal leg joints of the stick insect. Interneurons were recorded and stained intracellularly by glass microelectrodes; motor neurons were recorded extracellularly with oil-hook electrod...

journal_title：Journal of neurophysiology

authors： Brunn DE

更新日期：1998-06-01 00:00:00

abstract：:The general objectives of our research, presented in this series of papers, were to develop a computational model of the brain stem respiratory neural network and to explore possible neural mechanisms that provide the genesis of respiratory oscillations and the specific firing patterns of respiratory neurons. The pres...

journal_title：Journal of neurophysiology

authors： Rybak IA,Paton JF,Schwaber JS

更新日期：1997-04-01 00:00:00

abstract：:Voice onset time (VOT) is an important parameter of speech that denotes the time interval between consonant onset and the onset of low-frequency periodicity generated by rhythmic vocal cord vibration. Voiced stop consonants (/b/, /g/, and /d/) in syllable initial position are characterized by short VOTs, whereas unvoi...

journal_title：Journal of neurophysiology

authors： Steinschneider M,Volkov IO,Noh MD,Garell PC,Howard MA 3rd

更新日期：1999-11-01 00:00:00

abstract：:Support-surface movements are commonly used to examine balance control. Subjects typically receive a series of identical or randomly interspersed multidirectional balance perturbations and the atypical "first trial reaction" (evoked by the first perturbation) is often excluded from further analysis. However, this proc...

journal_title：Journal of neurophysiology

authors： Oude Nijhuis LB,Allum JH,Borm GF,Honegger F,Overeem S,Bloem BR

更新日期：2009-06-01 00:00:00

abstract：:1. To examine the effect of disruption of basal ganglia output on limb stability and movement, muscimol was injected into the internal globus pallidus (GPi) of monkeys trained to make arm movements to visible or remembered targets in a two-dimensional workspace. 2. Injections of as little as 0.25 micrograms muscimol a...

journal_title：Journal of neurophysiology

authors： Inase M,Buford JA,Anderson ME

更新日期：1996-03-01 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：: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：:We studied the effects of horizontal smooth pursuit on the ocular responses to brief vertical perturbations of textured backgrounds in humans. When the subject was fixating on a stationary target, a brief vertical perturbation of the background elicited a small tracking response. When the subject was pursuing a target...

journal_title：Journal of neurophysiology

authors： Miura K,Kobayashi Y,Kawano K

更新日期：2009-09-01 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：:Evaluation of confidence about one's knowledge is key to the brain's ability to monitor cognition. To investigate the neural mechanism of confidence assessment, we examined a biologically realistic spiking network model and found that it reproduced salient behavioral observations and single-neuron activity data from a...

journal_title：Journal of neurophysiology

authors： Wei Z,Wang XJ

更新日期：2015-07-01 00:00:00

abstract：:The discovery that spontaneous fluctuations in blood oxygen level-dependent (BOLD) signals contain information about the functional organization of the brain has caused a paradigm shift in neuroimaging. It is now well established that intrinsic brain activity is organized into spatially segregated resting-state networ...

journal_title：Journal of neurophysiology

authors： Mitra A,Snyder AZ,Hacker CD,Raichle ME

更新日期：2014-06-01 00:00:00

abstract：:Noise is a major concern in circuits processing electrical signals, including neural circuits. There are many factors that influence how noise propagates through neural circuits, and there are few systems in which noise levels have been studied throughout a processing pathway. We recorded intracellularly from multiple...

journal_title：Journal of neurophysiology

authors： Jones PW,Gabbiani F

更新日期：2012-02-01 00:00:00

abstract：:1. Monkeys with large unilateral surgical ablations of striate cortex, sustained either in adulthood or at 5-6 wk of age, were trained on an oculomotor detection and localization task and tested with visual stimuli in the hemifields ipsilateral and contralateral to the lesion 2-5 yr after surgery. 2. Monkeys with lesi...

journal_title：Journal of neurophysiology

authors： Moore T,Rodman HR,Repp AB,Gross CG,Mezrich RS

更新日期：1996-12-01 00:00:00

abstract：:Prominent arginine-vasopressin (AVP) binding and AVP V(1) type receptors are expressed early in the developing rat spinal cord. We sought to characterize their influence on neural excitability by using patch-clamp techniques to record AVP-induced responses from a population of motoneurons and interneurons in neonatal ...

journal_title：Journal of neurophysiology

authors： Oz M,Kolaj M,Renaud LP

更新日期：2001-09-01 00:00:00

abstract：:Feedback and descending projections from higher to lower brain centers play a prominent role in all vertebrate sensory systems. Feedback might be optimized for the specific sensory processing tasks in their target brain centers, but it has been difficult to connect the properties of feedback synapses to sensory tasks....

journal_title：Journal of neurophysiology

authors： Harvey-Girard E,Maler L

更新日期：2013-12-01 00:00:00

abstract：:One of the hallmarks of cognitive control is the suppression of prepotent but inappropriate responses. Here we used event-related functional MRI to measure functional brain activation during a stimulus-response incompatibility task. Subjects were instructed before a stimulus appeared either to look at the stimulus (pr...

journal_title：Journal of neurophysiology

authors： Ford KA,Goltz HC,Brown MR,Everling S

更新日期：2005-07-01 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：:Tetanus neurotoxin (TeNT) cleaves synaptobrevin, a protein involved in synaptic vesicle docking and fusion, thereby preventing neurotransmitter release and causing a functional deafferentation. We injected TeNT into the lateral rectus muscle of adult cats at 0.5 or 5 ng/kg (low and high dose, respectively). In the per...

journal_title：Journal of neurophysiology

authors： Gonzalez-Forero D,de la Cruz RR,Delgado-Garcia JM,Alvarez FJ,Pastor AM

更新日期：2003-04-01 00:00:00

abstract：:Action potential initiation and conduction along peripheral axons is a dynamic process that displays pronounced activity dependence. In patients with neuropathic pain, differences in the modulation of axonal conduction velocity by activity suggest that this property may provide insight into some of the pathomechanisms...

journal_title：Journal of neurophysiology

authors： Tigerholm J,Petersson ME,Obreja O,Lampert A,Carr R,Schmelz M,Fransén E

更新日期：2014-05-01 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：:Long-term potentiation (LTP) of C-fiber-evoked field potentials in spinal dorsal horn may be relevant to pathological pain. Our previous work has shown that the late phase of the spinal LTP is protein synthesis-dependent. Considerable evidence has accumulated that dopamine D1/D5 receptors are important for late-phase ...

journal_title：Journal of neurophysiology

authors： Yang HW,Zhou LJ,Hu NW,Xin WJ,Liu XG

更新日期：2005-08-01 00:00:00

abstract：:Inactivation permits direct assessment of the functional contribution of a given brain area to behavior. Previous inactivation studies of the frontal eye field (FEF) have either used large permanent ablations or reversible pharmacological techniques that only inactivate a small volume of tissue. Here we evaluated the ...

journal_title：Journal of neurophysiology

authors： Peel TR,Johnston K,Lomber SG,Corneil BD

更新日期：2014-01-01 00:00:00

abstract：:Receptive fields of neurons in somatosensory area 3b of monkeys are typically described as restricted to part of a single digit or palm pad. However, such neurons are likely involved in integrating stimulus information from across the hand. To evaluate this possibility, we recorded from area 3b neurons in anesthetized...

journal_title：Journal of neurophysiology

authors： Reed JL,Qi HX,Zhou Z,Bernard MR,Burish MJ,Bonds AB,Kaas JH

更新日期：2010-04-01 00:00:00

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：:Glycinergic and GABAergic inhibition are juxtaposed at one retinal synaptic layer yet likely perform different functions. These functions have usually been evaluated using receptor antagonists. In examining retinal glycine receptors, we were surprised to find that commonly used concentrations of GABA antagonists block...

journal_title：Journal of neurophysiology

authors： Wang P,Slaughter MM

更新日期：2005-06-01 00:00:00

abstract：:How neurons filter and integrate their complex patterns of synaptic inputs is central to their role in neural information processing. Synaptic filtering and integration are shaped by the frequency-dependent neuronal membrane impedance. Using single and dual dendritic recordings in vivo, pharmacology, and computational...

journal_title：Journal of neurophysiology

authors： Dewell RB,Gabbiani F

更新日期：2019-08-01 00:00:00

abstract：:Spontaneous negative-going potentials occurring at an average frequency of 0.7 Hz were recorded from the dentate gyrus of slices prepared from the temporal hippocampus of young adult rats. These events (here termed "dentate waves") in several respects resembled the dentate spikes described for freely moving rats durin...

journal_title：Journal of neurophysiology

authors： Colgin LL,Kubota D,Brucher FA,Jia Y,Branyan E,Gall CM,Lynch G

更新日期：2004-12-01 00:00:00