Rapid and precise retinotopic mapping of the visual cortex obtained by voltage-sensitive dye imaging in the behaving monkey.

abstract：:1. A method is described for measuring contractile properties of single human motor units. Conventional human microneurographic techniques were adapted to stimulate individual motor axons in the median nerve, with the use of negative current pulses and a tungsten microelectrode, while recording motor-unit electromyogr...

journal_title：Journal of neurophysiology

authors： Westling G,Johansson RS,Thomas CK,Bigland-Ritchie B

更新日期：1990-10-01 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：:Many single-unit electrophysiological studies of visual cortex have investigated strong evoked responses to simple stimuli such as oriented gratings. Experiments involving other types of stimuli, such as natural scenes, higher-order features, and surface brightness, produce single-unit responses that are more difficul...

journal_title：Journal of neurophysiology

authors： Hung CP,Ramsden BM,Roe AW

更新日期：2002-05-01 00:00:00

abstract：:Retinal ganglion cells (RGC) transmit visual signals to thalamocortical relay neurons in the lateral geniculate nucleus via retinogeniculate synapses. Relay neuron spike patterns do not simply reflect those of RGCs, but the mechanisms controlling this transformation are not well understood. We therefore examined synap...

journal_title：Journal of neurophysiology

authors： Blitz DM,Regehr WG

更新日期：2003-10-01 00:00:00

abstract：:Trigeminal reflex blinks evoked near the onset of a saccade cause profound spatial-temporal perturbations of the saccade that are typically compensated in mid-flight. This paper investigates the influence of reflex blinks on the discharge properties of saccade-related burst neurons (SRBNs) in intermediate and deep lay...

journal_title：Journal of neurophysiology

authors： Goossens HH,Van Opstal AJ

更新日期：2000-06-01 00:00:00

abstract：:Previous studies have shown that regional slow-wave activity (SWA) during non-rapid eye movement (NREM) sleep is modulated by prior experience and learning. Although this effect has been convincingly demonstrated for the sensorimotor domain, attempts to extend these findings to the visual system have provided mixed re...

journal_title：Journal of neurophysiology

authors： Bernardi G,Betta M,Cataldi J,Leo A,Haba-Rubio J,Heinzer R,Cirelli C,Tononi G,Pietrini P,Ricciardi E,Siclari F

更新日期：2019-06-01 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：: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：:Using CFos-EGFP transgenic mice (P6-P12), we targeted persistent inward current (PIC) in the spinal interneurons activated by locomotion. Following a locomotor task, whole cell patch-clamp recordings were obtained from ventral EGFP+ neurons in spinal cord slices (200-250 μm from T₁₃-L₄). PIC was recorded by a family o...

journal_title：Journal of neurophysiology

authors： Dai Y,Jordan LM

更新日期：2010-04-01 00:00:00

abstract：:In recent years, electroencephalography and magnetoencephalography (MEG) have both been used to investigate the response in human auditory cortex to musical sounds that are perceived as consonant or dissonant. These studies have typically focused on the transient components of the physiological activity at sound onset...

journal_title：Journal of neurophysiology

authors： Andermann M,Patterson RD,Rupp A

更新日期：2020-04-01 00:00:00

abstract：:Certain hand-held tools alter the mapping between hand motion and motion of the tool end point that must be controlled in order to perform a task. For example, when using a pool cue, the motion of the cue tip is reversed relative to the hand. Previous studies have shown that the time required to initiate a reaching mo...

journal_title：Journal of neurophysiology

authors： Baugh LA,Hoe E,Flanagan JR

更新日期：2012-10-01 00:00:00

abstract：:Although it is generally accepted that humans cannot perceive sounds in the frequency range above 20 kHz, the question of whether the existence of such "inaudible" high-frequency components may affect the acoustic perception of audible sounds remains unanswered. In this study, we used noninvasive physiological measure...

journal_title：Journal of neurophysiology

authors： Oohashi T,Nishina E,Honda M,Yonekura Y,Fuwamoto Y,Kawai N,Maekawa T,Nakamura S,Fukuyama H,Shibasaki H

更新日期：2000-06-01 00:00:00

abstract：:Pyramidal cells in the dorsal cochlear nucleus (DCN) show three characteristic discharge patterns in response tones: pauser, buildup, and regular firing. Experimental evidence suggests that a rapidly inactivating K+ current (I(KIF)) plays a critical role in generating these discharge patterns. To explore the role of I...

journal_title：Journal of neurophysiology

authors： Kanold PO,Manis PB

更新日期：2001-02-01 00:00:00

abstract：:Gain modulation is a ubiquitous phenomenon in cortical neurons, providing flexibility to operate under changing conditions. The prevailing view is that this modulation reflects a change in the relationship between mean input and output firing rate brought about by variation in neuronal membrane characteristics. An alt...

journal_title：Journal of neurophysiology

authors： Azouz R

更新日期：2005-10-01 00:00:00

abstract：:Results from previous studies suggest that two-dimensional spatial patterns are processed similarly in vision and touch when the patterns are equated for effective size or when visual stimuli are blurred to mimic the spatial filtering of the skin. In the present study, we measured subjects' ability to perceive the sha...

journal_title：Journal of neurophysiology

authors： Cho Y,Craig JC,Hsiao SS,Bensmaia SJ

更新日期：2016-01-01 00:00:00

abstract：:The ability of a spatial population of cutaneous, Adelta, and C mechano-nociceptors to encode the location and intensity of a noxious, cutaneous 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 ...

journal_title：Journal of neurophysiology

authors： Khalsa PS,Zhang C,Qin YX

更新日期：2000-05-01 00:00:00

abstract：:In this study we attempted to identify the principles that govern the changes in neural control that occur during repeated performance of a multiarticular coordination task. Eight participants produced isometric flexion/extension and pronation/supination torques at the radiohumeral joint, either in isolation (e.g., fl...

journal_title：Journal of neurophysiology

authors： Shemmell J,Forner M,Tresilian JR,Riek S,Barry BK,Carson RG

更新日期：2005-11-01 00:00:00

abstract：:1. To analyze further the sensory mechanisms for triggering the lordosis reflex, single-unit (n = 345) activity was recorded extracellularly from spinal segments L5-S1 of urethan-anesthetized female rats. Unit responses to pressure on the skin (necessary and sufficient for evoking lordosis) and other mechanical stimul...

journal_title：Journal of neurophysiology

authors： Kow LM,Zemlan FP,Pfaff DW

更新日期：1980-01-01 00:00:00

abstract：:We investigated the cellular mechanism underlying presynaptic regulation of olfactory receptor neuron (ORN) input to the mouse olfactory bulb using optical-imaging techniques that selectively report activity in the ORN presynaptic terminal. First, we loaded ORNs with calcium-sensitive dye and imaged stimulus-evoked ca...

journal_title：Journal of neurophysiology

authors： Wachowiak M,McGann JP,Heyward PM,Shao Z,Puche AC,Shipley MT

更新日期：2005-10-01 00:00:00

abstract：:Our understanding of how we learn and retain motor behaviors is still limited. For instance, there is conflicting evidence as to whether the memory of a learned visuomotor perturbation consolidates; i.e., the motor memory becomes resistant to interference from learning a competing perturbation over time. Here, we soug...

journal_title：Journal of neurophysiology

authors： Maeda RS,McGee SE,Marigold DS

更新日期：2017-01-01 00:00:00

abstract：:The activity patterns in self- and cross-reinnervated flexor digitorum longus (FDL) and soleus (SOL) muscles were examined during natural movements in awake, unrestrained cats in which electromyographic (EMG) electrodes, tendon-force gauges, and muscle-length gauges had been chronically implanted under anesthesia and ...

journal_title：Journal of neurophysiology

authors： O'Donovan MJ,Pinter MJ,Dum RP,Burke RE

更新日期：1985-10-01 00:00:00

abstract：:1. Using patch-clamp methods, we show that brief prepulses to very positive voltages increase (facilitate) the amplitude of current through Ca2+ channels during a subsequent test pulse in some, but not all, dorsal root ganglion (DRG) sensory neurons. The amplitude of this facilitated current generally increases when t...

journal_title：Journal of neurophysiology

authors： Womack MD,McCleskey EW

更新日期：1995-05-01 00:00:00

abstract：:Expression of the 5-HT(1Apl(a)) receptor in Aplysia pleural sensory neurons inhibited 5-HT-mediated translocation of the novel PKC Apl II in sensory neurons and prevented PKC-dependent synaptic facilitation at sensory to motoneuron synapses (Nagakura et al. 2010). We now demonstrate that the ability of inhibitory rece...

journal_title：Journal of neurophysiology

authors： Dunn TW,Farah CA,Sossin WS

更新日期：2012-01-01 00:00:00

abstract：:1. The action of N-methyl-D-aspartate (NMDA) on cone horizontal cells was studied in in vitro goldfish retinas superfused with a bicarbonate-based Ringer solution that contained D-serine (0.5 microM), a glycine analogue, but no added Mg2+. Horizontal cell light responses and electrical coupling were assessed by monito...

journal_title：Journal of neurophysiology

authors： Harsanyi K,Wang Y,Mangel SC

更新日期：1996-02-01 00:00:00

abstract：:Animals and human beings sense and react to real/potential dangerous stimuli. However, the supraspinal mechanisms relating noxious sensing and nocifensive behavior are mostly unknown. The collateralization and spatial organization of interrelated neurons are important determinants of coordinated network function. Here...

journal_title：Journal of neurophysiology

authors： Leiras R,Martín-Cora F,Velo P,Liste T,Canedo A

更新日期：2016-01-01 00:00:00

abstract：:We simultaneously compared the sensitivity of single primary afferent neurons supplying the glabrous skin of the hand and the psychophysical amplitude discrimination thresholds in human subjects for a set of vibrotactile stimuli delivered to the receptive field. All recorded afferents had a dynamic range narrower than...

journal_title：Journal of neurophysiology

authors： Arabzadeh E,Clifford CW,Harris JA,Mahns DA,Macefield VG,Birznieks I

更新日期：2014-11-15 00:00:00

abstract：:Motor-unit synchronization, which is a measure of the near simultaneous discharge of action potentials by motor units, has the potential to influence spike-triggered average force and the steadiness of a low-force isometric contraction. The purpose of the study was to estimate the contribution of motor-unit synchroniz...

journal_title：Journal of neurophysiology

authors： Semmler JG,Steege JW,Kornatz KW,Enoka RM

更新日期：2000-07-01 00:00:00

abstract：:1. A method for adapting a standard stereotaxic frame for use with neonatal rats as young as postnatal day 1 (PD 1) was devised, and single-unit extracellular recordings were obtained from neurons in the locus ceruleus (LC) in urethan-anesthetized rats during different stages in development from PD 1 to PD 34. 2. The ...

journal_title：Journal of neurophysiology

authors： Nakamura S,Kimura F,Sakaguchi T

更新日期：1987-09-01 00:00:00

abstract：:Adult neuronal phenotype is maintained, at least in part, by the sensitivity of individual neurons to a specific selection of neurotrophic factors and the availability of such factors in the neurons' environment. Nerve growth factor (NGF) increases the functional expression of Na(+) channel currents (I(Na)) and both N...

journal_title：Journal of neurophysiology

authors： Ford CP,Wong KV,Lu VB,Posse de Chaves E,Smith PA

更新日期：2008-03-01 00:00:00