In situ characterization of a rectifying electrical junction.

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：:We asked if the information about stimulus motion used in a visual working-memory task is localized in space. Monkeys compared the directions of two moving random-dot stimuli, sample and test, separated by a temporal delay and reported whether the stimuli moved in the same or in different directions. By presenting the...

journal_title：Journal of neurophysiology

authors： Zaksas D,Bisley JW,Pasternak T

更新日期：2001-08-01 00:00:00

abstract：:Subacute and chronic changes in tonic GABAergic inhibition occur in human and experimental epilepsy. Less is known about how tonic inhibition is modulated over shorter time frames (seconds). We measured endogenous tonic GABA currents from cultured rat hippocampal neurons to evaluate how they are affected by 1) transie...

journal_title：Journal of neurophysiology

authors： Ransom CB,Tao W,Wu Y,Spain WJ,Richerson GB

更新日期：2013-02-01 00:00:00

abstract：:Experimental evidence supports a number of mechanisms for the synaptic change that occurs with long-term potentiation (LTP) including insertion of AMPA receptors, an increase in AMPA receptor single channel conductance, unmasking silent synapses, and increases in vesicle release probability. Here we combine experiment...

journal_title：Journal of neurophysiology

authors： Holmes WR,Grover LM

更新日期：2006-09-01 00:00:00

abstract：:Procedural skill learning requires iterative comparisons between feedback of self-generated motor output and a goal sensorimotor pattern. In juvenile songbirds, neural representations of both self-generated behaviors (each bird's own immature song) and the goal motor pattern (each bird's adult tutor song) are essentia...

journal_title：Journal of neurophysiology

authors： Yuan RC,Bottjer SW

更新日期：2019-02-01 00:00:00

abstract：:1. The discharge patterns of 40 neurons in the central nucleus of the inferior colliculus (ICC) of the chinchilla were evaluated before and after acute cochlea trauma from intense tone exposure. Single-unit recordings were obtained from neurons in the ICC contralateral to the sound-stimulated ear. Cochlear trauma was ...

journal_title：Journal of neurophysiology

authors： Wang J,Salvi RJ,Powers N

更新日期：1996-01-01 00:00:00

abstract：:Recognition of sound patterns must be largely independent of level and of masking or jamming background sounds. Auditory patterns of relevance in numerous environmental sounds, species-specific vocalizations and speech are frequency modulations (FM). Level-dependent activation of the human auditory cortex (AC) in resp...

journal_title：Journal of neurophysiology

authors： Brechmann A,Baumgart F,Scheich H

更新日期：2002-01-01 00:00:00

abstract：:The process of sensorimotor adaptation is considered to be driven by errors. While sensory prediction errors, defined as the difference between the planned and the actual movement of the cursor, drive implicit learning processes, target errors (e.g., the distance of the cursor from the target) are thought to drive exp...

journal_title：Journal of neurophysiology

authors： Reichenthal M,Avraham G,Karniel A,Shmuelof L

更新日期：2016-08-01 00:00:00

abstract：:Experience-dependent modification in the electrical properties of central neurons is a form of intrinsic plasticity that occurs during development and has been observed following behavioral learning. We report a novel form of intrinsic plasticity in hippocampal CA1 pyramidal neurons mediated by the KV7/KCNQ and CaV1/L...

journal_title：Journal of neurophysiology

authors： Wu WW,Chan CS,Surmeier DJ,Disterhoft JF

更新日期：2008-10-01 00:00:00

abstract：:1. Axonal transection triggers a cascade of pathological processes that frequently lead to the degeneration of the injured neuron. It is generally believed that the degenerative process is triggered by an overwhelming influx of calcium through the cut end of the axon. 2. Theoretical considerations and indirect observa...

journal_title：Journal of neurophysiology

authors： Ziv NE,Spira ME

更新日期：1995-12-01 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：:Electrical activation of mouse dorsal root ganglion (DRG) neurons in cultures for 1-2 days produced a downregulation of voltage sensitive calcium currents, which persisted for > or = 24 h after stimulation was terminated. This regulation varied with different patterns of activation. Both the magnitude and time course ...

journal_title：Journal of neurophysiology

authors： Li M,Jia M,Fields RD,Nelson PG

更新日期：1996-10-01 00:00:00

abstract：:The purpose of this study was to compare the discharge characteristics of motor units recruited during an isometric contraction that was sustained with the elbow flexor muscles by older adults at target forces that were less than the recruitment threshold force of each isolated motor unit. The discharge times of 27 si...

journal_title：Journal of neurophysiology

authors： Pascoe MA,Holmes MR,Enoka RM

更新日期：2011-02-01 00:00:00

abstract：:Previous research using a loud acoustic stimulus (LAS) to investigate motor preparation in reaction time (RT) tasks indicates that responses can be triggered well in advance of the presentation of an imperative stimulus (IS). This is intriguing given that high levels of response preparation cannot be maintained for lo...

journal_title：Journal of neurophysiology

authors： Marinovic W,de Rugy A,Lipp OV,Tresilian JR

更新日期：2013-02-01 00:00:00

abstract：:1. The effects of dopamine on the slow Ca(2+)-dependent K+ current (IAHP; AHP, afterhyperpolarization) and spike frequency adaptation were studied by whole cell voltage-clamp and sharp microelectrode current-clamp recordings in rat CA1 pyramidal neurons in rat hippocampal slices. 2. Dopamine suppressed IAHP in a dose-...

journal_title：Journal of neurophysiology

authors： Pedarzani P,Storm JF

更新日期：1995-12-01 00:00:00

abstract：:The brain can precisely encode the temporal relationship between tactile inputs. While behavioural studies have demonstrated precise interfinger temporal judgments, the underlying neural mechanism remains unknown. Computationally, two kinds of neural responses can act as the information source. One is the phase-locked...

journal_title：Journal of neurophysiology

authors： Kuroki S,Watanabe J,Nishida S

更新日期：2016-03-01 00:00:00

abstract：:Neurons in the visual cortex respond selectively to stimulus orientation and spatial frequency. Changes in response amplitudes of these neurons could be the neurophysiological basis of orientation and spatial frequency discrimination. We have estimated the minimum differences in stimulus orientation and spatial freque...

journal_title：Journal of neurophysiology

authors： Bradley A,Skottun BC,Ohzawa I,Sclar G,Freeman RD

更新日期：1987-03-01 00:00:00

abstract：:The respective roles of ventral and dorsal cortical processing streams are still under discussion in both vision and audition. We characterized neural responses in the caudal auditory belt cortex, an early dorsal stream region of the macaque. We found fast neural responses with elevated temporal precision as well as n...

journal_title：Journal of neurophysiology

authors： Kusmierek P,Rauschecker JP

更新日期：2014-04-01 00:00:00

abstract：:The dendritic tree of layer 5 (L5) pyramidal neurons spans the neocortical layers, allowing the integration of intra- and extracortical synaptic inputs. Here we investigate the postnatal development of the integrative properties of rat L5 pyramidal neurons using simultaneous whole cell recording from the soma and dist...

journal_title：Journal of neurophysiology

authors： Atkinson SE,Williams SR

更新日期：2009-08-01 00:00:00

abstract：:The reflex response of the masseter muscle to the rapid unloading of a single maxillary incisor tooth was studied. Unloading of a static force of 2 N in the horizontal direction resulted in a short-latency excitation, inhibition, and long-latency excitation of masseter muscle activity occurring at latencies of approxi...

journal_title：Journal of neurophysiology

authors： Türker KS,Jenkins M

更新日期：2000-08-01 00:00:00

abstract：:Rhythm generation by the gastric motor network in the stomatogastric ganglion (STG) of the lobster Homarus gammarus is controlled by modulatory projection neurons from rostral commissural ganglia (CoGs); blocking action potential conduction in these inputs to the STG of a stomatogastric nervous system in vitro rapidly...

journal_title：Journal of neurophysiology

authors： Faumont S,Simmers J,Meyrand P

更新日期：1998-11-01 00:00:00

abstract：:The performance of adaptive behavior relies on continuous sensory feedback to produce relevant modifications to central motor patterns. The femoral chordotonal organ (FeCO) of the legs of the desert locust monitors the movements of the tibia about the femoro-tibial joint. A ventral midline population of spiking local ...

journal_title：Journal of neurophysiology

authors： Vidal-Gadea AG,Jing XJ,Simpson D,Dewhirst OP,Kondoh Y,Allen R,Newland PL

更新日期：2010-02-01 00:00:00

abstract：:The whisker region in the rodent primary motor (MI) cortex receives dense projections from neurons aligned with the layer IV septa in the whisker region of the primary somatosensory (SI) cortex. To compare whisker-induced responses in MI with respect to the SI responses in the septa and adjoining barrel regions, we us...

journal_title：Journal of neurophysiology

authors： Chakrabarti S,Zhang M,Alloway KD

更新日期：2008-07-01 00:00:00

abstract：:In the mammalian vestibular periphery, electrical activation of the efferent vestibular system (EVS) has two effects on afferent activity: 1) it increases background afferent discharge and 2) decreases afferent sensitivity to rotational stimuli. Although the cellular mechanisms underlying these two contrasting afferen...

journal_title：Journal of neurophysiology

authors： Poppi LA,Tabatabaee H,Drury HR,Jobling P,Callister RJ,Migliaccio AA,Jordan PM,Holt JC,Rabbitt RD,Lim R,Brichta AM

更新日期：2018-01-01 00:00:00

abstract：:Previous reports have indicated that the premotor cortex (PM) uses visual information for either direct guidance of limb movements or indirect specification of action targets at a conceptual level. We explored how visual inputs signaling these two different categories of information are processed by PM neurons. Monkey...

journal_title：Journal of neurophysiology

authors： Yamagata T,Nakayama Y,Tanji J,Hoshi E

更新日期：2009-12-01 00:00:00

abstract：:Stimulus-specific adaptation is the phenomenon whereby neural response magnitude decreases with repeated stimulation. Inconsistencies between recent nonhuman animal recordings and computational modeling suggest dynamic influences on stimulus-specific adaptation. The present human electroencephalography (EEG) study inv...

journal_title：Journal of neurophysiology

authors： Herrmann B,Henry MJ,Fromboluti EK,McAuley JD,Obleser J

更新日期：2015-04-01 00:00:00

abstract：:Little is known about the substrates for the large-scale shifts in the cortical representation produced by limb amputation. Subcortical changes likely contribute to the cortical remodeling, yet there is little data regarding the extent and pattern of reorganization in thalamus after such a massive deafferentation. Mor...

journal_title：Journal of neurophysiology

authors： Florence SL,Hackett TA,Strata F

更新日期：2000-05-01 00:00:00

abstract：:The response properties of ampullary electroreceptors of paddlefish, Polyodon spathula, were studied in vivo, as single-unit afferent responses to external electrical stimulation with varied intensities of several types of noise waveforms, all Gaussian and zero-mean. They included broadband white noise, Ornstein-Uhlen...

journal_title：Journal of neurophysiology

authors： Neiman AB,Yakusheva TA,Russell DF

更新日期：2007-11-01 00:00:00

abstract：:The blood oxygen level-dependent (BOLD) functional magnetic resonance imaging signal arises as a consequence of changes in blood flow and oxygen usage that in turn are modulated by changes in neural activity. Much attention has been given to both theoretical and experimental aspects of the energetics but not to the ne...

journal_title：Journal of neurophysiology

authors： Bennett MR,Farnell L,Gibson WG

更新日期：2018-03-01 00:00:00

abstract：:Arrays of closely spaced quartz-insulated, platinum-tungsten microelectrodes are widely used to obtain acute recordings from chronically prepared subjects. These electrodes have excellent recording characteristics and can be fabricated to a wide variety of tip specifications. Typically, in such experiments, electrodes...

journal_title：Journal of neurophysiology

authors： Swadlow HA,Bereshpolova Y,Bezdudnaya T,Cano M,Stoelzel CR

更新日期：2005-05-01 00:00:00