abstract：:1. Serotonergic modulation of a hyperpolarization-activated inward current, Ih, and a calcium-dependent outward current, Io(Ca), was examined in the dorsal gastric (DG) motor neuron, with the use of intracellular recording techniques in an isolated preparation of the crab stomatogastric ganglion (STG). 2. Hyperpolariz...

journal_title：Journal of neurophysiology

authors： Kiehn O,Harris-Warrick RM

更新日期：1992-08-01 00:00:00

abstract：:1. Plasticity at the connections between sensory neurons and their follower cells in Aplysia has been used extensively as a model system to examine mechanisms of simple forms of learning. Earlier studies have concluded that serotonin (5-HT) is a key modulatory transmitter and that it exerts its short-term actions via ...

journal_title：Journal of neurophysiology

authors： Sugita S,Goldsmith JR,Baxter DA,Byrne JH

更新日期：1992-08-01 00:00:00

abstract：:1. A previous study measured the relative contributions made by regularly and irregularly discharging afferents to the monosynaptic vestibular nerve (Vi) input of individual secondary neurons located in and around the superior vestibular nucleus of barbiturate-anesthetized squirrel monkeys. Here, the analysis is exten...

journal_title：Journal of neurophysiology

authors： Boyle R,Goldberg JM,Highstein SM

更新日期：1992-08-01 00:00:00

abstract：:1. Physiological responses of hippocampal pyramidal neurons in primary culture to prolonged glutamate (GLU) exposure (500 microM in all experiments) were studied with the use of patch electrodes and whole-cell current-clamp recording techniques. In some experiments, perforated patch recordings were employed with elect...

journal_title：Journal of neurophysiology

authors： Coulter DA,Sombati S,DeLorenzo RJ

更新日期：1992-08-01 00:00:00

abstract：:1. Intracellular recordings from neostriatal neurons in an in vitro slice preparation of the rat brain were used to analyze the pharmacological sensitivity of the action potential (AP) repolarization and the afterhyperpolarization (AHP) that follows a single action potential. The interspike voltage trajectory and the ...

journal_title：Journal of neurophysiology

authors： Pineda JC,Galarraga E,Bargas J,Cristancho M,Aceves J

更新日期：1992-07-01 00:00:00

abstract：:1. The response to an optimally oriented stimulus of both simple and complex cells in the cat's striate visual cortex (area 17) can be suppressed by the superposition of an orthogonally oriented drifting grating. This effect is referred to as cross-orientation suppression. We have examined the spatial organization and...

journal_title：Journal of neurophysiology

authors： DeAngelis GC,Robson JG,Ohzawa I,Freeman RD

更新日期：1992-07-01 00:00:00

abstract：:1. The intersegmental coordination during undulatory locomotion in lamprey is characterized by a constant phase lag between consecutive segments, that is, the ratio between the intersegmental time lag and the cycle duration remains constant. It is shown that the spinal 5-HT (serotonin) system can, in a graded fashion,...

journal_title：Journal of neurophysiology

authors： Matsushima T,Grillner S

更新日期：1992-06-01 00:00:00

abstract：:1. The vestibuloocular reflex (VOR) undergoes long-term adaptive changes in the presence of persistent retinal image motion during head turns. Previous experiments using natural stimuli have provided evidence that the VOR is subserved by parallel pathways, including some that are modified during learning and some that...

journal_title：Journal of neurophysiology

authors： Broussard DM,Brontë-Stewart HM,Lisberger SG

更新日期：1992-06-01 00:00:00

abstract：:1. Reflex responses were elicited in muscles that act at the ankle by electrical stimulation of low-threshold afferents from the foot in human subjects who were reclining supine. During steady voluntary contractions, stimulus trains (5 pulses at 300 Hz) were delivered at two intensities to the sural nerve (1.2-4.0 tim...

journal_title：Journal of neurophysiology

authors： Aniss AM,Gandevia SC,Burke D

更新日期：1992-05-01 00:00:00

abstract：:1. We examined the mean and standard deviation (SD) of interspike intervals (ISI) and the coefficient of variation (CV, the ratio of SD of ISI to mean ISI) of ISIs versus time to study discharge regularity of units in the dorsal cochlear nucleus (DCN) of decerebrate unanesthetized cats. The units were characterized by...

journal_title：Journal of neurophysiology

authors： Parham K,Kim DO

更新日期：1992-05-01 00:00:00

abstract：:1. Microelectrode recordings from 15 slowly adapting (SA) cutaneous mechanoreceptor afferents originating in hairy skin were obtained from the radial nerve in humans. 2. Controlled skin stretch was applied to the back of the hand that encompassed the physiological range of skin stretch during movements at the metacarp...

journal_title：Journal of neurophysiology

authors： Edin BB

更新日期：1992-05-01 00:00:00

abstract：:1. The initial objective of this study was to determine whether respiratory-related neural assemblies exist in the brain stem midline. A second goal was to seek evidence for concurrent relationships among the neurons that could generate the detected synchrony. 2. Experiments were conducted on anesthetized, paralyzed, ...

journal_title：Journal of neurophysiology

authors： Lindsey BG,Hernandez YM,Morris KF,Shannon R,Gerstein GL

更新日期：1992-04-01 00:00:00

abstract：:1. Movement of the crayfish thoracocoxal leg joint is monitored by a muscle receptor organ (TCMRO) and a chordotonal organ (TCCO). Both receptors span the joint in parallel but signal opposite directions of leg movement. The TCMRO is innervated by afferents responsive to lengthening, which corresponds to leg remotion,...

journal_title：Journal of neurophysiology

authors： Skorupski P,Rawat BM,Bush BM

更新日期：1992-03-01 00:00:00

abstract：:1. gamma-Aminobutyric acid (GABA) withdrawal syndrome (GWS) represents a particular model of focal epilepsy consecutive to the interruption of a chronic intracortical GABA infusion and is characterized by the appearance of focal epileptic electroencephalographic (EEG) discharges and localized clinical signs on withdra...

journal_title：Journal of neurophysiology

authors： Silva-Barrat C,Araneda S,Menini C,Champagnat J,Naquet R

更新日期：1992-03-01 00:00:00

abstract：:1. The dorsal horn (DH) of chickens exhibits a novel pattern of cytoarchitectonic lamination among vertebrates, whereby lamina III lies medial, rather than ventral, to lamina II. Indeed, cutaneous nerves labeled with horseradish peroxidase (HRP) form two separate projections across the mediolateral axis of the superfi...

journal_title：Journal of neurophysiology

authors： Woodbury CJ

更新日期：1992-02-01 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：:1. Neuronal mechanisms for decoding sound azimuth and angular movement were studied by recordings of several single units in parallel in the core areas of the auditory cortex of the macaque monkey. The activity of 180 units was recorded during the presentation of moving and static sound stimuli. Both the activity of s...

journal_title：Journal of neurophysiology

authors： Ahissar M,Ahissar E,Bergman H,Vaadia E

更新日期：1992-01-01 00:00:00

abstract：:1. The discharge of antidromically identified medial rectus and abducens motoneurons was recorded in restrained unanesthesized goldfish during spontaneous eye movements and in response to vestibular and optokinetic stimulation. 2. All medial rectus and abducens motoneurons exhibited a similar discharge pattern. A burs...

journal_title：Journal of neurophysiology

authors： Pastor AM,Torres B,Delgado-Garcia JM,Baker R

更新日期：1991-12-01 00:00:00

abstract：:1. In Aplysia buccal ganglia, in which dual presynaptic neurons innervate multiple postsynaptic cells, strengths of the same identified synapses differ from animal to animal, consistent with developmental or plastic modulation. Synaptic strengths are specified by the postsynaptic neuron, so that synaptic current ampli...

journal_title：Journal of neurophysiology

authors： Gardner D

更新日期：1991-12-01 00:00:00

abstract：:1. The purpose of this study was to use the techniques of spike- and stimulus-triggered averaging (SpTA and StTA, respectively) to examine the output organization of individual rubromotoneuronal (RM) cells in relation to clusters of neighboring cells. SpTA of electromyographic (EMG) activity in awake monkeys reveals t...

journal_title：Journal of neurophysiology

authors： Cheney PD,Mewes K,Widener G

更新日期：1991-12-01 00:00:00

abstract：:1. The tension produced by the combined stimulation of two to four single motor units of the cat tibialis posterior muscle was compared with the algebraic sum of the tensions produced by each individual motor unit. Comparisons were made under isometric conditions and during imposed changes in muscle length. 2. Under i...

journal_title：Journal of neurophysiology

authors： Powers RK,Binder MD

更新日期：1991-12-01 00:00:00

abstract：:1. Nonlinearity of spatial summation in areas 17 and 18 of cat visual cortex was compared with the type of spatial nonlinearity that differentiates X and Y cells in the lateral geniculate nucleus (LGN) and retina. The comparisons were made to examine to what extent the information from X and Y cells may remain separat...

journal_title：Journal of neurophysiology

authors： Ferster D,Jagadeesh B

更新日期：1991-11-01 00:00:00

abstract：:1. Behavioral studies in the monkey and clinical studies in humans show that some visuomotor functions are spared in case of a V1 lesion. This residual vision appears to be subserved at least partially by visual activity in extrastriate cortex. Earlier studies have demonstrated that neurons in area V2 lose their visua...

journal_title：Journal of neurophysiology

authors： Girard P,Salin PA,Bullier J

更新日期：1991-11-01 00:00:00

abstract：:1. Intracellular recordings from CA1 pyramidal neurons in the rat hippocampal slice have been used to study synaptic transmission after maximal orthodromic stimulation of the Schaffer collateral-commissural fibers. Paired-pulse stimulation was used to investigate how the first (conditioning) stimulation influenced the...

journal_title：Journal of neurophysiology

authors： Nathan T,Lambert JD

更新日期：1991-11-01 00:00:00

abstract：:1. A generalized three-dimensional state space model of visual vestibular interaction was developed. Matrix and dynamical system operators associated with inputs from the semicircular canals, otolith velocity estimator, and the visual system have been incorporated into the model, which focus on their relationship to t...

journal_title：Journal of neurophysiology

authors： Raphan T,Sturm D

更新日期：1991-10-01 00:00:00

abstract：:1. We have studied the physiology of sensory neurons innervating skin of the rat hindlimb, in three groups of animals: 1) normal animals; 2) animals in which the sural nerve (Sn) had regenerated to its original cutaneous target; and 3) animals in which the gastrocnemius muscle nerve (Gn) had previously been cut and cr...

journal_title：Journal of neurophysiology

authors： Lewin GR,McMahon SB

更新日期：1991-10-01 00:00:00

abstract：:1. The horizontal eye movements induced by acceleration along the interaural axis were recorded from five monkeys (Macaca mulatta) by the use of the electromagnetic search-coil technique. Animals sat on a sled that was moved briefly in darkness along a linear track (bell-shaped acceleration profile: peak, 400 mm/s2; d...

journal_title：Journal of neurophysiology

authors： Schwarz U,Miles FA

更新日期：1991-09-01 00:00:00

abstract：:1. "Unmasking" of weak synaptic connections has been suggested as a mechanism for the early changes in cortical topographic maps that follow alterations of sensory activity. For such a mechanism to operate, convergent sensory inputs must already exist in the normal cortex. 2. We tested for topographic and cross-modali...

journal_title：Journal of neurophysiology

authors： Smits E,Gordon DC,Witte S,Rasmusson DD,Zarzecki P

更新日期：1991-09-01 00:00:00

abstract：:1. We have examined the effects of iontophoresing specific antagonists to excitatory amino acid receptors on the visual responses of cells in lamina A or A1 of the cat's lateral geniculate nucleus (LGN). 2. Cells were classified as On- or Off-center, X or Y, and lagged or nonlagged. The effects of antagonists were stu...

journal_title：Journal of neurophysiology

authors： Kwon YH,Esguerra M,Sur M

更新日期：1991-08-01 00:00:00

abstract：:1. Intrasomal recordings were made with microelectrodes from 153 warm (infrared) neurons in the trigeminal ganglia of 36 crotaline snakes, Trimeresurus flavoviridis. Background discharges were observed at room temperature. The 153 warm neurons were classified into two groups: 81 were sensitive to less than or equal to...

journal_title：Journal of neurophysiology

authors： Terashima S,Liang YF

更新日期：1991-08-01 00:00:00

abstract：:1. The properties of parietal neurons were studied in four adult rhesus monkeys during fast arm movements. The animals were trained to perform flexion or extension of the forearm about the elbow in response to specific auditory cues. Single neuron activity was recorded in 272 area 5 neurons, 81 neurons of the somatose...

journal_title：Journal of neurophysiology

authors： Burbaud P,Doegle C,Gross C,Bioulac B

更新日期：1991-08-01 00:00:00

abstract：:1. Taste buds in catfish are found not only within the oropharyngeal cavity, as in mammals, but are also located along the external body surface of the animal from the barbels and lips to the caudal fin. Because these taste buds are innervated by the facial (cranial VII) nerve, the extraoral taste system of catfish is...

journal_title：Journal of neurophysiology

authors： Michel W,Caprio J

更新日期：1991-07-01 00:00:00

abstract：:1. A brain slice preparation was used to study the hypoglossal (XII) neuronal response to anoxia. Both intra- and extracellular potassium activities (K+i,K+o) were measured by the use of ion-selective microelectrodes, and K+ flux was assessed by the use of pharmacologic blockers. 2. Extracellular recordings showed tha...

journal_title：Journal of neurophysiology

authors： Jiang C,Haddad GG

更新日期：1991-07-01 00:00:00

abstract：:1. The modulation of the voltage-activated Ca2+ current by the neuropeptide Phe-Met-Arg-Phe-NH2 (FMRFa) was investigated in dissociated central neurons from Helix aspersa using whole-cell voltage-clamp recording techniques. External Ba2+ was always used as the charge carrier in this study, and the intracellular Ca2+ c...

journal_title：Journal of neurophysiology

authors： Yakel JL

更新日期：1991-06-01 00:00:00

abstract：:1. The lateral geniculate nucleus is the primary thalamic relay through which retinal signals pass en route to cortex. This relay is gated and can be suppressed by activity among local inhibitory neurons that use gamma-aminobutyric acid (GABA) as a neurotransmitter. In the cat, a major source of this GABAergic inhibit...

journal_title：Journal of neurophysiology

authors： Uhlrich DJ,Cucchiaro JB,Humphrey AL,Sherman SM

更新日期：1991-06-01 00:00:00

abstract：:1. Properties of 90 lateral cervical nucleus (LCN) neurons responsive to light tactile stimulation of ipsilateral body surfaces were examined in pentobarbital sodium-anesthetized raccoons. Peripheral receptive fields (RFs) of 60 of these lay totally or partially on glabrous skin of the forepaw. There were 71 neurons a...

journal_title：Journal of neurophysiology

authors： Simone DA,Pubols BH Jr

更新日期：1991-06-01 00:00:00

abstract：:1. Synaptic interactions between identified neurons in the flight system of the locust were investigated by the use of standard intracellular recording and staining techniques. The intent was to determine the distribution and functional significance of delayed excitatory connections, which have been previously describ...

journal_title：Journal of neurophysiology

authors： Robertson RM

更新日期：1991-05-01 00:00:00

abstract：:1. Presynaptic activity of identified primary afferents from flexor, extensor, and bifunctional hindlimb muscles was studied with intra-axonal recordings during fictive locomotion. Fictive locomotion appeared spontaneously in decorticate cats (n = 9), with stimulation of the mesencephalic locomotor region (n = 4), and...

journal_title：Journal of neurophysiology

authors： Gossard JP,Cabelguen JM,Rossignol S

更新日期：1991-04-01 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：:1. The physiological and pharmacological properties of excitatory amino acid (EAA)-induced responses were investigated in acutely isolated spiral ganglion cells of guinea pig by a conventional patch-clamp technique combined with a rapid drug application (Y-tube) method. 2. L-glutamate (Glu) and its agonists, quisquala...

journal_title：Journal of neurophysiology

authors： Nakagawa T,Komune S,Uemura T,Akaike N

更新日期：1991-03-01 00:00:00