abstract：:The fast-twitch flexor digitorum longus (FDL) muscle was partially denervated by a unilateral section of the L7 ventral root. After approximately 100 days the isometric, force-velocity and histochemical properties of single motor units from the partially denervated muscle were determined. The diameter of the nerve axo...

journal_title：Experimental brain research

authors： Hatcher DD,Luff AR,Westerman RA,Finkelstein DI

更新日期：1985-01-01 00:00:00

abstract：:Horizontal DC-electrooculograms were recorded in subjects rotating on a horizontal turntable sinusoidally at 0.1 Hz and 35 to 40 degrees amplitude. The subjects either fixated a stroboscopically illuminated vertically striped pattern (1.15 to 3.45 degrees period) rotating with the turntable or initiated Sigma-OKN befo...

journal_title：Experimental brain research

authors： Curio G,Grüsser OJ

更新日期：1985-01-01 00:00:00

abstract：:In cats the stretch responses of deafferented Ia afferent fibers from gastrocnemius muscle spindles were measured. The response properties were derived by correlating the action potentials to random mechanical stimuli applied to the gastrocnemius muscle. The muscle stretch consisted of band-limited, normally distribut...

journal_title：Experimental brain research

authors： Kröller J,Grüsser OJ,Weiss LR

更新日期：1985-01-01 00:00:00

abstract：:The climbing fibres to the x and lateral c1 zones of the anterior lobe of the cerebellum arise as branches of common stem olivary axons. Anatomical studies have shown that the c1 zone receives its climbing fibres from the dorsal accessory olive (DAO). It has, therefore, been assumed that the x-zone also receives its c...

journal_title：Experimental brain research

authors： Campbell NC,Armstrong DM

更新日期：1985-01-01 00:00:00

abstract：:Push-pull cannulae were inserted into both medial and lateral banks of the suprasylvian sulcus and used for local perfusion with artificial extracellular fluid (aECF). Electrical stimulations of regions of cortex projecting to the lateral suprasylvian area (LSA) were accompanied by enhanced levels of release of excita...

journal_title：Experimental brain research

authors： Hicks TP,Ruwe WD,Veale WL,Veenhuizen J

更新日期：1985-01-01 00:00:00

abstract：:The vestibulo-ocular reflex (VOR) was intermittently suppressed by fixating a head-fixed target (light on: 9 s; darkness: 2 s) during whole-body (60-100 deg/s peak; 0.01-0.17 Hz) sinusoidal and triangular oscillation about the vertical axis for about 2 min. Eye movements associated with intervals of darkness at differ...

journal_title：Experimental brain research

authors： Segal BN

更新日期：1985-01-01 00:00:00

abstract：:We studied the potential contribution of postsynaptic mechanisms to the depression of reflex excitability which occurs immediately after a voluntary release from tonic muscle contraction. The excitability of the Soleus (Sol) motor pool was tested at rest and after voluntary muscle relaxation. In both cases the Sol H-r...

journal_title：Experimental brain research

authors： Schieppati M,Crenna P

更新日期：1985-01-01 00:00:00

abstract：:The superior colliculus was bilaterally or unilaterally ablated at different early postnatal ages in rats. When adult, each rat received a unilateral eye injection of Horseradish peroxidase to reveal the crossed and uncrossed retinal terminal fields within the dorsal lateral geniculate nucleus. Collicular ablation in ...

journal_title：Experimental brain research

authors： Reese BE,Cowey A

更新日期：1985-01-01 00:00:00

abstract：:Since the moment arms for the elbow-flexor muscles are longest at intermediate positions of the elbow and shorter at the extremes of the range of motion, it was expected that the elbow torque would also show a peak at an intermediate angle provided the activity of the flexor muscles remained constant. We measured the ...

journal_title：Experimental brain research

authors： Hasan Z,Enoka RM

更新日期：1985-01-01 00:00:00

abstract：:After intracranial transection of the optic nerve in cats the retinal stump of the nerve was injected with HRP. Surviving retinal ganglion cells can be retrogradely labeled at least up to 15.5 months of postoperative survival. ...

journal_title：Experimental brain research

authors： Holländer H,Bisti S,Maffei L

更新日期：1985-01-01 00:00:00

abstract：:The superior branch of the vestibular nerve containing peripheral axons of primary afferents originating in the lateral and anterior semicircular canals was cut bilaterally in three monkeys (vestibular neurectomy). Vertical and horizontal components of eye position were monitored by electro-oculography (EOG) during di...

journal_title：Experimental brain research

authors： Waespe W,Wolfensberger M

更新日期：1985-01-01 00:00:00

abstract：:Projections from the posterior thalamic regions to the striatum were studied in the cat by the anterograde tracing method after injecting wheat germ agglutinin-horseradish peroxidase conjugate (WGA-HRP) into the caudalmost regions of the lateroposterior thalamic nucleus (caudal LP), suprageniculate nucleus (Sg) and ma...

journal_title：Experimental brain research

authors： Takada M,Itoh K,Yasui Y,Sugimoto T,Mizuno N

更新日期：1985-01-01 00:00:00

abstract：:The horizontal and vertical components of the positions of both eyes of rhesus monkeys were measured during periods of binocularly stable eye positions (eye pauses) while the animals fixated a small target. Differences between monocular and binocular viewing, as well as effects of target size and background illuminati...

journal_title：Experimental brain research

authors： Motter BC,Poggio GF

更新日期：1984-01-01 00:00:00

abstract：:Microscopic illumination of two neighbouring photoreceptor cells within a single ommatidium induces a strong sequence-dependent response in a directionally selective, motion-sensitive neuron. The response is characterized by a strong facilitation in the preferred direction and a weaker inhibition in the reverse direct...

journal_title：Experimental brain research

authors： Riehle A,Franceschini N

更新日期：1984-01-01 00:00:00

abstract：:The distribution, dendritic trees and axonal courses of spinally projecting cells in the dorsal column nuclei were studied after labelling by retrograde HRP transport. The region of densest distribution was at the base of the two nuclei and in the area between them, extending for about 2 mm caudally from the obex. Onl...

journal_title：Experimental brain research

authors： Enevoldson TP,Gordon G

更新日期：1984-01-01 00:00:00

abstract：:Extracellular single-unit recordings were made during day- and night-time in the pineal gland of urethane-anesthetized adult male Sprague-Dawley rats. All cells exhibiting spontaneous electrical activity had firing frequencies from less than 1 Hz to about 100 Hz, and their discharge patterns were characterized as regu...

journal_title：Experimental brain research

authors： Reuss S,Vollrath L

更新日期：1984-01-01 00:00:00

abstract：:The spatial frequency tuning and the contrast-response function of striate neurons in Siamese cats were investigated with drifting sinusoidal gratings of high contrast, and the results were compared to the data obtained in normally pigmented cats. The optimal spatial frequency of the tuning curves obtained from Siames...

journal_title：Experimental brain research

authors： Chino YM,Shansky MS,Jankowski WL

更新日期：1984-01-01 00:00:00

abstract：:We tested the hypothesis that geniculate X cells are the neural substrate of psychophysically identified pattern channels and that geniculate Y cells are the neural substrate of psychophysically identified flicker channels. The hypothesis was tested by measuring the relative sensitivity of isolated X and Y cells in th...

journal_title：Experimental brain research

authors： Frascella J,Lehmkuhle S

更新日期：1984-01-01 00:00:00

abstract：:Quantitative analysis of dendritic orientation in rapid Golgi sections of the lateral geniculate nucleus of Old World monkeys was performed with the help of a computer-microscope and a tree-analysing program. The orientation of intermediate and terminal dendritic segments of parvocellular and magnocellular multipolar ...

journal_title：Experimental brain research

authors： Leuba G,Garey LJ

更新日期：1984-01-01 00:00:00

abstract：:Unitary discharges of the lateral geniculate nucleus (LGN) were analyzed in anesthetized and paralyzed rats after inactivation of visual cortical areas (VC) by cryoblockade or by depositing a cotton wick soaked in KCl (3 M). The receptive fields were mapped prior to and following the interruption of the cortico-genicu...

journal_title：Experimental brain research

authors： Molotchnikoff S,Tremblay F,Lepore F

更新日期：1984-01-01 00:00:00

abstract：:In a series of experiments in which the known projections of the septal complex to the hippocampal formation have been transected, we have used both anterograde and retrograde tracing techniques in an attempt to demonstrate a ventral septo-hippocampal pathway. In cases where transections of the fimbria, dorsal fornix ...

journal_title：Experimental brain research

authors： Milner TA,Amaral DG

更新日期：1984-01-01 00:00:00

abstract：:Responses to binocular visual stimulation were compared in cortical area 18 of normal cats and in cats in which one eye was exodeviated by surgery early in postnatal life. In contrast to normal cats where most units (58%) were binocularly activated, relatively few units (10%) in strabismic cats were activated well by ...

journal_title：Experimental brain research

authors： Cynader M,Gardner JC,Mustari M

更新日期：1984-01-01 00:00:00

abstract：:The topography and receptive field (RF) organization of neurones in the trunk zone of the thalamic ventrobasal complex (VB) projecting to the homologous zone of the ipsilateral first somatosensory area (SI) were studied in the cat by performing experiments of retrograde neuronal tracing and microelectrode recording. P...

journal_title：Experimental brain research

authors： Barbaresi P,Conti F,Manzoni T

更新日期：1984-01-01 00:00:00

abstract：:Pieces of the developing cerebellar anlage were prepared from 13-15 day old rat embryos and transplanted to the cerebellar region of 5-7 and 13-14 day old rat pups. Approximately two months later, sections showed most grafts to consist of both cerebellar cortex, with a typical trilaminar organization, and white matter...

journal_title：Experimental brain research

authors： Björklund H,Bickford P,Dahl D,Hoffer B,Olson L

更新日期：1984-01-01 00:00:00

abstract：:Single cell activity was recorded in area 18 during optokinetic nystagmus (OKN) in awake cats. The search coil technique was used to record the horizontal and vertical eye movements. Cells showing direction specific responses to a moving large area random dot pattern (70%) were tested with different velocities in the ...

journal_title：Experimental brain research

authors： Hoffmann KP,Bauer R,Huber HP,Mayr M

更新日期：1984-01-01 00:00:00

abstract：:Adaptation of motor control to weightlessness was studied during a 7-day spaceflight. The maintenance of control of upright posture was examined during a voluntary raising movement of the arm and during the voluntary raising on tiptoe. In order to evaluate the contribution of visual cues, three types of visual situati...

journal_title：Experimental brain research

authors： Clément G,Gurfinkel VS,Lestienne F,Lipshits MI,Popov KE

更新日期：1984-01-01 00:00:00

abstract：:We have studied the ultrastructural features of sensory nerve fibers in the ciliary body and the iris and their parent trigeminal ganglion cells, using intra-axonally transported horseradish peroxidase as a tracer. Unmyelinated nerve fibers of ipsilateral trigeminal origin were found in stroma of both the ciliary body...

journal_title：Experimental brain research

authors： Lehtosalo JI,Uusitalo H,Palkama A

更新日期：1984-01-01 00:00:00

abstract：:The morphology of neurons in the lateral geniculate nucleus of the rat has been examined in both Golgi impregnated and in horseradish peroxidase (HRP) filled material. Two major classes of neurons are seen in Golgi material which encompass the variety of cells described in previous reports. Cells of one group (class A...

journal_title：Experimental brain research

authors： Webster MJ,Rowe MH

更新日期：1984-01-01 00:00:00

abstract：:Eye and head movements in the horizontal, frontal and sagittal planes were recorded in the rabbit with a newly developed technique using dual scleral search coils in a rotating magnetic field. The compensatory eye movements elicited by passive sinusoidal oscillation deteriorated for frequencies below 0.1 Hz in the hor...

journal_title：Experimental brain research

authors： Van der Steen J,Collewijn H

更新日期：1984-01-01 00:00:00

abstract：:The primary vagal axons and terminals in the lateral descending trigeminal complex (dlv-DLV complex) in crotaline snakes were studied following HRP injections into the vagal nerve. Labeled fibers and terminals were found in the marginal neuropil, which was made up entirely of unmyelinated fibers, i.e., C fibers. The g...

journal_title：Experimental brain research

authors： Kishida R,Yoshimoto M,Kusunoki T,Goris RC,Terashima S

更新日期：1984-01-01 00:00:00

abstract：:Single unit activity was recorded in the striate cortex of vision-deprived cats aged between 3 and 8 weeks. Contrast sensitivity or response measurements made using moving sinusoidal gratings were used to construct spatial frequency tuning curves. At 3 weeks sensitivity, selectivity (assessed both as the narrowness of...

journal_title：Experimental brain research

authors： Derrington AM

更新日期：1984-01-01 00:00:00

abstract：:The responses of 80 amygdaloid neurons to the four basic taste (sucrose, NaCl, HCl and quinine hydrochloride), thermal (5 degrees C, 20 degrees C and 40 degrees C) and tactile (brushing) stimuli applied to the anterior part of the tongue were recorded in anesthetized rats. About 90% of the taste-sensitive amygdaloid n...

journal_title：Experimental brain research

authors： Azuma S,Yamamoto T,Kawamura Y

更新日期：1984-01-01 00:00:00

abstract：:Eight rhesus monkeys (Macaca mulatta) were trained to detect an instantaneous lateral displacement of a small spot of light. The smallest movement for 79% correct performance was then determined. Severing the splenium of the corpus callosum, which has to be done to reveal the superior colliculi, had no effect on the m...

journal_title：Experimental brain research

authors： Cowey A,Smith B,Butter CM

更新日期：1984-01-01 00:00:00

abstract：:The topography of commissural fibers of the prefrontal cortex was studied in the rhesus monkey using autoradiography. Commissural fibers originating in the medial prefrontal and the caudal orbital regions course through the anterior portion of the genu and the rostrum of the corpus callosum, while those from the arcua...

journal_title：Experimental brain research

authors： Barbas H,Pandya DN

更新日期：1984-01-01 00:00:00

abstract：:In anaesthetized cats (chloralose-urethan) the effects of brief tetanic electrical stimulation (50 to 100 ms) of the mesencephalic central gray matter and reticular formation on the inspiratory on-switch were studied during the expiratory (E) phase on the gross and unitary activities of phrenic, laryngeal inspiratory ...

journal_title：Experimental brain research

authors： Gauthier P,Monteau R,Hilaire G

更新日期：1984-01-01 00:00:00

abstract：:Endogenous peroxidase-like activity was investigated with a combined light and electron microscopical technique in 15 cats. The lateral cervical nucleus, the dorsal column nuclei, and segments C6 and L5 of the spinal cord were incubated with diaminobenzidine-tetrahydrochloride (DAB) or tetramethylbenzidine (TMB). Afte...

journal_title：Experimental brain research

authors： Svensson BA,Rastad J,Westman J

更新日期：1984-01-01 00:00:00

abstract：:Tone bursts produced bands of selective 2-[14C]-deoxyglucose labelling in the inferior colliculus (IC) of the awake monkey. Low tone frequencies produced labelling in dorsal regions and high tone frequencies produced labelling in ventral regions. The position of the bands coincided with the position of a single unit w...

journal_title：Experimental brain research

authors： Webster WR,Servière J,Crewther D,Crewther S

更新日期：1984-01-01 00:00:00

abstract：:Efferent and afferent connections of the visually responsive cortex (area anteromedial, AM) located in the anterior portion of area 18b were studied with degeneration and horseradish peroxidase (HRP) methods following small lesions and HRP injections into this area. Degenerating axons, terminals and retrogradely HRP-l...

journal_title：Experimental brain research

authors： Torrealba F,Olavarria J,Carrasco MA

更新日期：1984-01-01 00:00:00

abstract：:The two long toe flexor muscles in the cat, flexor digitorum longus (FDL) and flexor hallucis longus (FHL), have essentially identical mechanical actions, yet are used very differently during locomotion (O'Donovan et al. 1982). We attempted to identify the origin of the synaptic drive responsible for this functional d...

journal_title：Experimental brain research

authors： Fleshman JW,Lev-Tov A,Burke RE

更新日期：1984-01-01 00:00:00

abstract：:An economical method of computing the source densities underlying human scalp-recorded event-related potentials (ERPs) is used to investigate the topography of "evaluation potentials" elicited when a subject assess the outcome of a goal-directed activity. No sign of a generative focus was observed in frontal locations...

journal_title：Experimental brain research

authors： MacKay DM

更新日期：1984-01-01 00:00:00