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：:Extracellular recordings were made from cold-receptive afferent fibers in the trigeminal ganglion of rats anesthetized with halothane. By applying a standardized series of steady or changing temperatures to the receptive fields, we recorded the static and dynamic responses of the afferents. Comparable recordings were ...

journal_title：Journal of neurophysiology

authors： Davies SN,Goldsmith GE,Hellon RF,Mitchell D

更新日期：1985-02-01 00:00:00

abstract：:Swimming behavior in the marine mollusc Tritonia diomedea is episodic, consisting of a series of alternating dorsal and ventral flexions initiated by a brief sensory stimulus. The swim motor pattern is generated by a network formed of four groups of premotor interneurons: cerebral cell 2 (C2), dorsal swim interneurons...

journal_title：Journal of neurophysiology

authors： Getting PA,Dekin MS

更新日期：1985-02-01 00:00:00

abstract：:Impulse from soleus muscle afferents were recorded in premammillary cats that were walking on a treadmill. In normal walking the effects of gamma-motoneurons on impulse rates of muscle spindle afferents are confounded by the effects of the large length changes that occur. To isolate the effects of gamma-motoneurons th...

journal_title：Journal of neurophysiology

authors： Taylor J,Stein RB,Murphy PR

更新日期：1985-02-01 00:00:00

abstract：:We have used electrophysiological techniques to document segmental differences in the pathways between the giant, escape command axons, lateral giants (LG) and medial giants (MG), and the nongiant, fast flexor (FF) motoneurons. We found no difference in the input from LG and MG axons to FF motoneurons in the posterior...

journal_title：Journal of neurophysiology

authors： Miller LA,Hagiwara G,Wine JJ

更新日期：1985-01-01 00:00:00

abstract：:Extracellular recordings of 209 neurons were obtained with carbon fiber-containing multibarrel micropipettes. The cells were isolated in the primary somatosensory cortex of cats anesthetized with barbiturate and classified according to the nature of their response to natural stimuli, the nature of the surrounding mult...

journal_title：Journal of neurophysiology

authors： Dykes RW,Landry P,Metherate R,Hicks TP

更新日期：1984-12-01 00:00:00

abstract：:Swallow-evoked potentials in the preganglionic vagal fibers were studied using the single-fiber recording technique in anesthetized opossums. Swallows were evoked by tactile pharyngeal stimulation or electrical stimulation of the cut central end of the superior laryngeal nerve (SLN). Swallowing activity was recorded b...

journal_title：Journal of neurophysiology

authors： Gidda JS,Goyal RK

更新日期：1984-12-01 00:00:00

abstract：:Gaze is the position of the visual axis in space and is the sum of the eye movement relative to the head plus head movement relative to space. In monkeys, a gaze shift is programmed with a single saccade that will, by itself, take the eye to a target, irrespective of whether the head moves. If the head turns simultane...

journal_title：Journal of neurophysiology

authors： Guitton D,Douglas RM,Volle M

更新日期：1984-12-01 00:00:00

abstract：:Small lesions designed to completely destroy the cortical zone of representation of a restricted band of frequency were introduced within the primary auditory cortex (AI) in adult cats. Physiological mapping was used to guide placement of lesions. Sound-localization performance was evaluated prior to and after inducti...

journal_title：Journal of neurophysiology

authors： Jenkins WM,Merzenich MM

更新日期：1984-11-01 00:00:00

abstract：:An orthodromically evoked late hyperpolarizing potential (LHP) was studied using intracellular recording techniques in rat hippocampal CA1 pyramidal cells in vitro. Several tests indicated that the LHP is not blocked by GABA antagonists, but rather comprises the initial portion of the stimulation-induced burst afterhy...

journal_title：Journal of neurophysiology

authors： Alger BE

更新日期：1984-11-01 00:00:00

abstract：:To elucidate how information is processed in the vestibuloocular reflex (VOR) pathways subserving vertical eye movements, extracellular single-unit recordings were obtained from the vestibular nuclei of alert monkeys trained to track a visual target with their eyes while undergoing sinusoidal pitch oscillations (0.2-1...

journal_title：Journal of neurophysiology

authors： Chubb MC,Fuchs AF,Scudder CA

更新日期：1984-10-01 00:00:00

abstract：:Odor responses of neocortical neurons in rabbits under light pentobarbital anesthesia were studied in a restricted area in the lateral half of the prefrontal cortex close to the frontal pole. A preevent cumulative sum chart provided a visual display of the change in unit discharge rate following each odor stimulation,...

journal_title：Journal of neurophysiology

authors： Onoda N,Imamura K,Obata E,Iino M

更新日期：1984-10-01 00:00:00

abstract：:The short-term (3-51 days) and long-term (31-42 wk) effects of corpus callosum transection on the receptive-field properties of neurons were assessed at the single-cell, architectural, and topographical levels of organization in the cat striate cortex. Corpus callosum transection decreased the proportion of neurons th...

journal_title：Journal of neurophysiology

authors： Payne BR,Pearson HE,Berman N

更新日期：1984-09-01 00:00:00

abstract：:Experiments have been carried out on the soleus muscle and its tendon in the anesthetized cat. Measurements of isometric tension and muscle stiffness were made during contraction of whole or part of the muscle in response to stimulation of ventral root filaments. In an attempt to determine the distribution of tension ...

journal_title：Journal of neurophysiology

authors： Proske U,Morgan DL

更新日期：1984-09-01 00:00:00

abstract：:The functional role of sensory input to the motor cortex was studied by interrupting two major input pathways. One was the dorsal column, which sends the input directly through the thalamus to the motor cortex, and the other was the sensory cortex, which transfers its input through association fibers. Removal of the s...

journal_title：Journal of neurophysiology

authors： Asanuma H,Arissian K

更新日期：1984-08-01 00:00:00

abstract：:The functional maturation of cuneate neurons was studied using reproducible tactile stimulation procedures and quantitative assessment of coding capacities in anesthetized (N2O/O2 plus barbiturate infusion) or decerebrate cats from six different age groups; neonatal (1-5 days), 10-15, 25-30, 55-63, and 83-90 days, and...

journal_title：Journal of neurophysiology

authors： Connor KM,Ferrington DG,Rowe MJ

更新日期：1984-07-01 00:00:00

abstract：:Horseradish peroxidase- (HRP) filled microelectrodes have been used to examine the anatomy and physiology of "commissural interneurons," a morphologically defined class of spinal cord interneuron in Xenopus laevis embryos. Commissural interneurons have unipolar cell bodies in the dorsal half of the spinal cord. Their ...

journal_title：Journal of neurophysiology

authors： Soffe SR,Clarke JD,Roberts A

更新日期：1984-06-01 00:00:00

abstract：:We compared electroretinographic (ERG) responses to uniform-field and a variety of pattern stimuli using both transient and steady-state analyses. Evidence is provided that for all of these stimuli, the peak at high temporal frequencies in the steady-state response corresponds to the fast wave of the transient respons...

journal_title：Journal of neurophysiology

authors： Baker CL Jr,Hess RF

更新日期：1984-05-01 00:00:00

abstract：:Single midbrain neurons were examined for effects of ovarian hormone administration on responsiveness to an array of lordosis-controlling types of somatosensory stimuli in anesthetized, ovariectomized Syrian hamsters. Neuronal responses were recorded under four different hormonal treatment conditions: 1) estradiol ben...

journal_title：Journal of neurophysiology

authors： Rose JD,Bieber SL

更新日期：1984-05-01 00:00:00

abstract：:Paw-shake responses (PSRs) were evoked by wrapping masking tape around the hind-paw in nine cats spinalized at the T12 level either at 2 or 12 wk of age or as young adults (10-12 mo). Electromyographic responses of ankle extensors (LG and SOL) and one ankle flexor (TA) were recorded through the 6th mo after cord trans...

journal_title：Journal of neurophysiology

authors： Sabin C,Smith JL

更新日期：1984-04-01 00:00:00

abstract：:The contribution of ascending afferents to the control of speech movement was evaluated by applying unanticipated loads to the lower lip during the generation of combined upper lip-lower lip speech gestures. To eliminate potential contamination due to anticipation or adaptation, loads were applied randomly on only 10-...

journal_title：Journal of neurophysiology

authors： Abbs JH,Gracco VL

更新日期：1984-04-01 00:00:00

abstract：:The effect of L-glutamate on muscle fibers of the anterior aorta of the marine gastropod Aplysia are characterized. Iontophoretically applied L-glutamate depolarized anterior aorta muscle fibers in 14% of the applications; no response was detected in the other applications. Responses to iontophoretically applied L-glu...

journal_title：Journal of neurophysiology

authors： Sawada M,Gibson D,McAdoo DJ

更新日期：1984-02-01 00:00:00

abstract：:The orthodromic synaptic responses, membrane properties, and responses of dentate gyrus granule cells (DGCs) to several convulsant agents were studied in the in vitro hippocampal slice preparation. Orthodromic stimulation via the perforant pathway (PP) evoked excitatory-inhibitory postsynaptic potentials (EPSP-IPSP) s...

journal_title：Journal of neurophysiology

authors： Fricke RA,Prince DA

更新日期：1984-02-01 00:00:00

abstract：:The spike-triggered averaging technique (26) was used to determine whether the synaptic input from medial gastrocnemius (MG) Ia-afferent fibers to homonymous motoneurons is "topographically weighted" (22) by means of differences in projection frequency, excitatory postsynaptic potential (EPSP) amplitude, or a combinat...

journal_title：Journal of neurophysiology

authors： Lucas SM,Cope TC,Binder MD

更新日期：1984-01-01 00:00:00

abstract：:Several identified neurons of the Aplysia buccal ganglia respond to choline. Iontophoretic applications of either choline or acetylcholine (ACh) to voltage-clamped inhibitory follower neurons produce similar currents. Peak amplitudes of choline responses were 10-100% of ACh responses on the same cell. Choline currents...

journal_title：Journal of neurophysiology

authors： Gardner D,Ruff RL,White RL

更新日期：1984-01-01 00:00:00

abstract：:The responses of low-frequency, primary-like neurons of the ventral cochlear nucleus were measured as a function of signal-to-noise ratio for gated tonal signals and noise maskers that were varied in bandwidth and duration. For a given signal-to-noise ratio, each of the maskers is known to produce the same amount of m...

journal_title：Journal of neurophysiology

authors： Langford TL

更新日期：1983-12-01 00:00:00

abstract：:This study investigated the organization of the dorsal lateral geniculate nucleus (LGN) of the tree shrew (Tupaia glis) using both microelectrode recording and anatomical techniques. The tree shrew LGN contains approximately 100,000 cells, of which 20% are in layers 2 and 6. These two layers receive input from the ips...

journal_title：Journal of neurophysiology

authors： Conway JL,Schiller PH

更新日期：1983-12-01 00:00:00

abstract：:Excitatory postsynaptic potentials (EPSPs) were evoked in large populations of motoneurons by impulses in single Ia- and group II fibers and recorded from L7 and S1 ventral roots by means of a sucrose-gap technique and spike-triggered averaging, as previously described (33, 34). Factors known to influence conduction a...

journal_title：Journal of neurophysiology

authors： Lüscher H,Ruenzel PW,Henneman E

更新日期：1983-11-01 00:00:00

abstract：:The electrical activity of 168 individual neurons located in the medullary reticular formation, namely, in the medial aspects of the nucleus reticularis gigantocellularis, magnocellularis, and ventralis, has been recorded in precollicular decerebrate cats during sinusoidal tilt about the longitudinal axis of the whole...

journal_title：Journal of neurophysiology

authors： Manzoni D,Pompeiano O,Stampacchia G,Srivastava UC

更新日期：1983-11-01 00:00:00

abstract：:The present series of investigations was aimed to disclose the possible sites of action of excitatory and inhibitory inputs on tho-interneuron pathway mediating the primary afferent depolarization (PAD) of group I afferents of extensor muscles in the cat spinal cord. To this end we compared the effects produced by sti...

journal_title：Journal of neurophysiology

authors： Rudomín P,Jiménez I,Solodkin M,Dueñas S

更新日期：1983-10-01 00:00:00

abstract：:Spinothalamic (ST) neurons in the C8-T5 segments of the spinal cord were examined for responses to electrical stimulation of the left thoracic vagus nerve (LTV). Seventy-one ST neurons were studied in 39 anesthetized monkeys (Macaca fascicularis). Each neuron could be excited by manipulation of its somatic field and b...

journal_title：Journal of neurophysiology

authors： Ammons WS,Blair RW,Foreman RD

更新日期：1983-10-01 00:00:00

abstract：:We used multiunit recording to assess the effect of rotating one eye approximately 90 degrees at about the time of normal eye opening. Rotation of the eye did not alter the topography of the retinal maps onto visual cortex or superior colliculus. The intorted eye drove cells at most recording points in the contralater...

journal_title：Journal of neurophysiology

authors： Gordon B,Moran J,Presson J

更新日期：1983-09-01 00:00:00

abstract：:Neurons of the motor nerve net of the jellyfish Cyanea were impaled with microelectrodes for intracellular recordings. The cells have conventional, negative resting potentials and produce variable-amplitude action potentials with complex waveforms. The variability and complexity of these spikes is due to the superimpo...

journal_title：Journal of neurophysiology

authors： Anderson PA,Schwab WE

更新日期：1983-09-01 00:00:00

abstract：:We have used a computer-based mathematical model of alpha-motoneurons and of group Ia synaptic input to them, based on anatomical and electrophysiological data from the cat spinal cord, in order to examine the effects of variations in neuron size and input resistance and of conductance magnitude and duration on the ge...

journal_title：Journal of neurophysiology

authors： Lev-Tov A,Miller JP,Burke RE,Rall W

更新日期：1983-08-01 00:00:00

abstract：:These experiments were designed to test the hypothesis that climbing fiber inputs evoked by a peripheral stimulus increase the responsiveness of Purkinje cells to mossy fiber inputs. This hypothesis was based on a previous series of observations demonstrating that spontaneous climbing fiber inputs are associated with ...

journal_title：Journal of neurophysiology

authors： Ebner TJ,Yu QX,Bloedel JR

更新日期：1983-07-01 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：: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：:The ovulation hormone-producing caudodorsal cells (CDCs) of the pond snail Lymnaea stagnalis form two clusters of electrotonically coupled cells, each containing a few specialized (ventral) cells that connect the clusters. The hormone is secreted during a pacemaker-driven discharge. The CDCs receive a biphasic choline...

journal_title：Journal of neurophysiology

authors： ter Maat A,Roubos EW,Lodder JC,Buma P

更新日期：1983-06-01 00:00:00

abstract：:1. R2 and LPl1 are homologous giant cholinergic neurons in the nervous system of Aplysia with overlapping and almost symmetrical axonal trees extending over most of the body wall. In spite of much experimental study, the behavioral role of the cells has remained unknown. 2. After intrasomatic injection of R2 and LPl1 ...

journal_title：Journal of neurophysiology

authors： Rayport SG,Ambron RT,Babiarz J

更新日期：1983-04-01 00:00:00

abstract：:1. To obtain a comprehensive map of the ascending projection of the midbrain periaqueductal gray, small amounts of [3H]leucine were injected into discrete regions of the periaqueductal gray (PAG) of the monkey. 2. Despite the fact that different regions of the PAG were injected in separate animals, the majority of the...

journal_title：Journal of neurophysiology

authors： Mantyh PW

更新日期：1983-03-01 00:00:00