Two-photon excitation of potentiometric probes enables optical recording of action potentials from mammalian nerve terminals in situ.

abstract：:The aim of this study was to investigate the contribution of feedback from large-diameter sensory fibers to the adaptation of soleus muscle activity after small ankle trajectory modifications during human walking. Small-amplitude and slow-velocity ankle dorsiflexion enhancements and reductions were applied during the ...

journal_title：Journal of neurophysiology

authors： Mazzaro N,Grey MJ,Sinkjaer T,Andersen JB,Pareyson D,Schieppati M

更新日期：2005-06-01 00:00:00

abstract：:Cutaneous reflexes evoked in the muscles of the arms with electrical stimulation of nerves of the foot ("interlimb reflexes") are observed during walking. These reflexes have been suggested to coordinate the actions of the legs and arms when walking is disturbed. Recently, we showed that cutaneous reflexes evoked in t...

journal_title：Journal of neurophysiology

authors： Haridas C,Zehr EP,Misiaszek JE

更新日期：2006-12-01 00:00:00

abstract：:In the inferior colliculus (IC) of the big brown bat, a subpopulation of cells ( approximately 35%) are tuned to a narrow range of sound durations. Band-pass tuning for sound duration has not been seen at lower levels of the auditory pathway. Previous work suggests that it arises at the IC through the interaction of s...

journal_title：Journal of neurophysiology

authors： Casseday JH,Ehrlich D,Covey E

更新日期：2000-09-01 00:00:00

abstract：:The ability to detect changes in load is important for effective use of a leg in posture and locomotion. While a number of limb receptors have been shown to encode increases in load, few afferents have been demonstrated to signal leg unloading, which occurs cyclically during walking and is indicative of slipping or pe...

journal_title：Journal of neurophysiology

authors： Ridgel AL,Frazier SF,Dicaprio RA,Zill SN

更新日期：1999-03-01 00:00:00

abstract：:Previous studies have demonstrated anisotropic patterns of hand impedance under static conditions and during movement. Here we show that the pattern of kinematic error observed in studies of dynamics learning is associated with this anisotropic impedance pattern. We also show that the magnitude of kinematic error asso...

journal_title：Journal of neurophysiology

authors： Darainy M,Mattar AA,Ostry DJ

更新日期：2009-06-01 00:00:00

abstract：:The neurons in the intermediate layers of the monkey superior colliculus (SC) that discharge before saccadic eye movements can be divided into at least two types, burst and buildup neurons, and the differences in their characteristics are compatible with different functional contributions of the two cell types. It has...

journal_title：Journal of neurophysiology

authors： Aizawa H,Wurtz RH

更新日期：1998-04-01 00:00:00

abstract：:An acute experimental arthritis was induced in the right knee joint of adult cats anesthetized with chloralose, and the activity of single fine afferent units of the medial articular nerve was recorded from filaments of the saphenous nerve. All units included in this study were sensitive to local mechanical probing of...

journal_title：Journal of neurophysiology

authors： Schaible HG,Schmidt RF

更新日期：1985-11-01 00:00:00

abstract：:Neocortical circuits exhibit a rich dynamic repertoire, and their ability to achieve entrainment (adjustment of their frequency to match the input frequency) is thought to support many cognitive functions and indicate functional flexibility. Although previous studies have explored the influence of various circuit prop...

journal_title：Journal of neurophysiology

authors： Papasavvas CA,Trevelyan AJ,Kaiser M,Wang Y

更新日期：2020-03-01 00:00:00

abstract：:1. Areas of cerebellar cortex related to saccadic eye movements were ablated in three Macaca mulatta monkeys trained to fixate visual targets. There followed a postoperative dysmetria of saccadic eye movements which appeared to be the result of an impairment specifically within the saccadic system. 2. Convergent evide...

journal_title：Journal of neurophysiology

authors： Ritchie L

更新日期：1976-11-01 00:00:00

abstract：:While the effects of sensory feedback on bimanual tasks have been studied extensively at two ends of the motor control hierarchy, the cortical and behavioral levels, much less is known about how it affects the intermediate levels, including neural control of homologous muscle groups. We investigated the effects of som...

journal_title：Journal of neurophysiology

authors： Nguyen HB,Lee SW,Harris-Love ML,Lum PS

更新日期：2017-02-01 00:00:00

abstract：:1. Ca(2+)-dependent K+ currents were studied in large pyramidal neurons (Betz cells) from layer V of cat sensorimotor cortex by use of an in vitro brain slice and single microelectrode voltage clamp. The Ca(2+)-dependent outward current was taken as the difference current obtained before and after blockade of Ca2+ inf...

journal_title：Journal of neurophysiology

authors： Schwindt PC,Spain WJ,Crill WE

更新日期：1992-01-01 00:00:00

abstract：:The cerebellum has long been recognized to play an important role in motor adaptation. Individuals with cerebellar ataxia exhibit impaired learning in visuomotor adaptation tasks such as prism adaptation and force field learning. Both types of tasks involve the adjustment of an internal model to compensate for an exte...

journal_title：Journal of neurophysiology

authors： Schlerf JE,Xu J,Klemfuss NM,Griffiths TL,Ivry RB

更新日期：2013-02-01 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：:Few studies have analyzed activity-induced changes in EMG activity in individual human motor units. We studied the changes in human thenar motor unit EMG that accompany the potentiation of twitch force and fatigue of tetanic force. Single motor unit EMG and force were recorded in healthy subjects in response to select...

journal_title：Journal of neurophysiology

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

更新日期：2006-03-01 00:00:00

abstract：:Previous analysis of the firing of individual rat hippocampal place cells has shown that their firing rate increases when they enter a place field and that their phase of firing relative to the ongoing theta oscillation (7-12 Hz) varies systematically as the rat traverses the place field, a phenomenon termed the theta...

journal_title：Journal of neurophysiology

authors： Jensen O,Lisman JE

更新日期：2000-05-01 00:00:00

abstract：:High-frequency burstlike electrical conditioning stimulation (HFS) applied to human skin induces an increase in mechanical pinprick sensitivity of the surrounding unconditioned skin (a phenomenon known as secondary hyperalgesia). The present study assessed the effect of frequency of conditioning stimulation on the dev...

journal_title：Journal of neurophysiology

authors： van den Broeke EN,Gousset S,Bouvy J,Stouffs A,Lebrun L,van Neerven SGA,Mouraux A

更新日期：2019-09-01 00:00:00

abstract：:When sudden environmental stimuli signaling threat occur in the portion of space surrounding the body (defensive peripersonal space), defensive responses are enhanced. Recently Bisio et al. (Bisio A, Garbarini F, Biggio M, Fossataro C, Ruggeri P, Bove M. J Neurosci 37: 2415-2424, 2017) showed that a marker of defensiv...

journal_title：Journal of neurophysiology

authors： Bufacchi RJ

更新日期：2017-10-01 00:00:00

abstract：:Monitoring representative fractions of neurons from multiple brain circuits in behaving animals is necessary for understanding neuronal computation. Here, we describe a system that allows high-channel-count recordings from a small volume of neuronal tissue using a lightweight signal multiplexing headstage that permits...

journal_title：Journal of neurophysiology

authors： Berényi A,Somogyvári Z,Nagy AJ,Roux L,Long JD,Fujisawa S,Stark E,Leonardo A,Harris TD,Buzsáki G

更新日期：2014-03-01 00:00:00

abstract：:Vibration reduces the amplitudes of the tendon jerk response and the Hoffmann and stretch reflexes in the muscle exposed to the vibration, yet does not alter the time to task failure when the task involves exerting a submaximal force against a rigid restraint. Because the amplitude of the stretch reflex is greater whe...

journal_title：Journal of neurophysiology

authors： Mottram CJ,Maluf KS,Stephenson JL,Anderson MK,Enoka RM

更新日期：2006-02-01 00:00:00

abstract：:Adaptation to novel dynamics requires learning a motor memory, or a new pattern of predictive feedforward motor commands. Recently, we demonstrated the upregulation of rapid visuomotor feedback gains early in curl force field learning, which decrease once a predictive motor memory is learned. However, even after learn...

journal_title：Journal of neurophysiology

authors： Franklin S,Wolpert DM,Franklin DW

更新日期：2017-11-01 00:00:00

abstract：:Neurons display a variety of complex dendritic morphologies even within the same class. We examined the relationship between dendritic arborization and the coupling between somatic and dendritic action potential (AP) initiation sites in layer 5 (L5) neocortical pyramidal neurons. Coupling was defined as the relative r...

journal_title：Journal of neurophysiology

authors： Schaefer AT,Larkum ME,Sakmann B,Roth A

更新日期：2003-06-01 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：:Sopite syndrome, centered around the drowsiness, lethargy, and irritability associated with motion sickness, can be induced by exposure to low-frequency motion. It is known that the vestibular apparatus plays an important role in the pathogenesis of motion sickness, which features several autonomic responses, and we h...

journal_title：Journal of neurophysiology

authors： Foster M,Singh N,Kwok K,Macefield VG

更新日期：2020-12-01 00:00:00

abstract：:1. The actions of hydrogen sulfide (HS-) on membrane and synaptic properties of dorsal raphe (DR) serotonergic cells were studied in the in vitro brain stem slice preparation, using intracellular sharp microelectrode and whole-cell recording techniques. 2. Sulfide produced two reversible, concentration-dependent effec...

journal_title：Journal of neurophysiology

authors： Kombian SB,Reiffenstein RJ,Colmers WF

更新日期：1993-07-01 00:00:00

abstract：:Octopus arms, as well as other muscular hydrostats, are characterized by a very large number of degrees of freedom and a rich motion repertoire. Over the years, several attempts have been made to elucidate the interplay between the biomechanics of these organs and their control systems. Recent developments in electrop...

journal_title：Journal of neurophysiology

authors： Yekutieli Y,Mitelman R,Hochner B,Flash T

更新日期：2007-09-01 00:00:00

abstract：:Male zebra finches produce a song consisting of a canonical sequence of syllables, learned from a tutor and repeated throughout its adult life. Much of the neural circuitry responsible for this behavior is located in the cortical premotor region HVC (acronym is name). In a recent study from our laboratory, we found th...

journal_title：Journal of neurophysiology

authors： Galvis D,Wu W,Hyson RL,Johnson F,Bertram R

更新日期：2017-08-01 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：:1. K+ conductances were characterized in isolated, identified superior colliculus-projecting (SCP) rat visual cortical neurons. SCP neurons were identified in vitro under epifluorescence illumination after in vivo retrograde labeling with rhodamine-labeled microspheres or "beads." For experiments, SCP neurons were iso...

journal_title：Journal of neurophysiology

authors： Albert JL,Nerbonne JM

更新日期：1995-06-01 00:00:00

abstract：:1. We studied adenosine's action on synaptic transmission from primary afferent fibers to neurons of the substantia gelatinosa (SG) using tight-seal whole cell recordings in transverse slices of hamster spinal cord. Adenosine had two actions, hyperpolarization of the postsynaptic membrane and depression of the excitat...

journal_title：Journal of neurophysiology

authors： Li J,Perl ER

更新日期：1994-10-01 00:00:00

abstract：:A quantitative analysis of activity-related calcium dynamics was performed in motoneurons of the nucleus hypoglossus in the brain stem slice preparation from mouse by simultaneous patch-clamp and microfluorometric calcium measurements. Motoneurons were analyzed under in vitro conditions that kept them in a functionall...

journal_title：Journal of neurophysiology

authors： Lips MB,Keller BU

更新日期：1999-12-01 00:00:00