abstract：:The firing of tuberoinfundibular neurones antidromically identified as projecting to the median eminence was recorded during electrical stimulation of the preoptic and/or anterior hypothalamic areas (PO/AH) of the rostral hypothalamus. Parameters of stimulation were chosen which are known to cause increased secretion ...

journal_title：Experimental brain research

authors： Saphier DJ,Dyer RG

更新日期：1980-01-01 00:00:00

abstract：:Extracellular recordings were made from neurones in the ventromedial and parafasicular nuclei of the rat thalamus, many of which had demonstrable capsular or caudate projections. These cells responded to electrical stimulation of the ipsilateral substantia nigra with a short latency (4 ms) inhibition presumed to be mo...

journal_title：Experimental brain research

authors： MacLeod NK,James TA,Kilpatrick IC,Starr MS

更新日期：1980-01-01 00:00:00

abstract：:During saccadic eye movements, images of external objects move rapidly across the retina. Small, unpredictable displacements imposed upon a target moving at saccadic velocity were detected with equal accuracy when (1) the retinal image velocity was caused by an eye movement, or (2) when the same velocity was produced ...

journal_title：Experimental brain research

authors： Brooks BA,Yates JT,Coleman RD

更新日期：1980-01-01 00:00:00

abstract：:After minimizing proprioceptive input from the legs by ischemia without degradation of muscle force and excluding visual stabilization by eye closure, a characteristic anterior-posterior postural sway around 1 Hz was observed in three normal subjects. This is similar to the instability seen in two tabes dorsalis patie...

journal_title：Experimental brain research

authors： Mauritz KH,Dietz V

更新日期：1980-01-01 00:00:00

abstract：:By measuring the forces applied by each limb supporting the weight of the standing quadruped (cat), before and during elicitation of the placing reaction, it was possible to examine quantitatively and qualitatively the postural events which preceded and accompanied forelimb displacement. The findings are summarized as...

journal_title：Experimental brain research

authors： Coulmance M,Gahéry Y,Massion J,Swett JE

更新日期：1979-10-01 00:00:00

abstract：:Stimulation of the parietal association cortex as well as the frontal motor cortex elicited clearly extracellular unitary activities or field potentials in the ipsilateral inferior olive in the cat. The parietal-induced responses came out generally at a longer and more variable latency than the frontal-induced ones. T...

journal_title：Experimental brain research

authors： Oka H,Jinnai K,Yamamoto T

更新日期：1979-09-01 00:00:00

abstract：:The mechanisms of the clasp-knife reflex were studied in the soleus muscle of an animal model, the decerebrate cat with a dorsal hemisection of the lower thoracic cord. The reflex is shown to be autogenetic, and to depend on muscle length in keeping with previous suggestions. However, the magnitude of the inhibition i...

journal_title：Experimental brain research

authors： Rymer WZ,Houk JC,Crago PE

更新日期：1979-09-01 00:00:00

abstract：:A method is described for localized microapplication of drugs into nervous tissue of freely moving rats. Fairly constant release of material was observed over a period of more than three weeks. The amount of substance released was small because the rate of release was determined largely by diffusion rather than by mas...

journal_title：Experimental brain research

authors： Dames W,Joó F,Wolff JR

更新日期：1979-07-02 00:00:00

abstract：:Responses of motoneurons supplying muscles of the forelimbs, hindlimbs, back, and neck to stimulation of the medial pontomedullary reticular formation were studied with intracellular recording in cerebellectomized cats under chloralose anesthesia. Stimulation of the midline or of a reticular region consisting of nucle...

journal_title：Experimental brain research

authors： Peterson BW,Pitts NG,Fukushima K

更新日期：1979-06-01 00:00:00

abstract：:Threshold elevation in the periphery of the visual field as a consequence of repetitive stimulation can be abolished by stimulating a mirror-symmetric position in the contralateral visual half-field. A patient suffering from a congenital malformation of the right superior colliculus did not exhibit threshold elevation...

journal_title：Experimental brain research

authors： Zihl J,von Cramon D

更新日期：1979-05-02 00:00:00

abstract：:Sequential intraocular grafting of defined areas from fetal rat brain to adult host rats was used to explore the possibility that such double grafts would become interconnected. Norepinephrine- containing neurons of the locus coeruleus were grafted together with either parietal cerebral cortex, hippocampus, or the cau...

journal_title：Experimental brain research

authors： Olson L,Seiger A,Hoffer B,Taylor D

更新日期：1979-03-09 00:00:00

abstract：:A contrast reversal (alternating phase) stimulus was used to study the responses of 150 retinal ganglion cells from 15 adult cats. Because the majority of the cells did not show perfect linear spatial summation, a ratio of the firing rates at two time periods was used to express the degree of nonlinearity. Y-cells sho...

journal_title：Experimental brain research

authors： Hamasaki DI,Sutija VG

更新日期：1979-03-09 00:00:00

abstract：:The activity of 28 cells located mainly in the secondary auditory cortex (A II) of awake squirrel-monkeys, was extracellularly recorded for periods of up to 6 h. Seven different species-specific vocalizations, which were repeatedly presented to the monkey, were used as auditory stimuli. Twenty-six cells responded, at ...

journal_title：Experimental brain research

authors： Glass I,Wollberg Z

更新日期：1979-02-15 00:00:00

abstract：:Motoneurones innervating the retractor bulbi muscle in the cat have been identified by retrograde labelling with horseradish peroxidase, by intracellular recording and by intracellular staining with horseradish peroxidase. Their somata are found in an accessory abducens nucleus, analogous to that described in some oth...

journal_title：Experimental brain research

authors： Grant K,Guéritaud JP,Horcholle-Bossavit G,Tyć-Dumont S

更新日期：1979-02-15 00:00:00

abstract：:A central network of neurones in the spinal cord has been shown to produce a rhythmic motor output similar to locomotion after suppression of all afferent inflow. The experiments were performed mainly in acute spinal cats (th. 12), which had received DOPA i.v. and the monoamine oxidase inhibitor Nialamide. In some pre...

journal_title：Experimental brain research

authors： Grillner S,Zangger P

更新日期：1979-01-15 00:00:00

abstract：:Single neurons in the inferior colliculus of the Greater Horseshoe bat, Rhinolophus ferrumequinum, showed two broad categories of response patterns to sinusoidally frequency (SFM) or amplitude (SAM) modulated stimuli. Tonic responding cells (best excitatory frequency (BEF) between 10 and 90 kHz) showed a rough sinusoi...

journal_title：Experimental brain research

authors： Schuller G

更新日期：1979-01-02 00:00:00

abstract：:Correlations between pairs of spontaneous climbing fiber responses (CFRs) recorded from couples of nearby Purkinje cells (PCs) were studied in immature rats by using cross-correlograms between CFR pairs, and compaired to those in adult animals. Correlations were found as early as day 3. Some days later, on PN days 7--...

journal_title：Experimental brain research

authors： Dupont JL,Crepel F

更新日期：1979-01-01 00:00:00

abstract：:Light microscopic autoradiography and electron microscopy were used to trace the nigrothalamic projections and to study the sites of termination of this pathway in the cat. Injections of tritiated amino acids or electrolytic lesions were placed in the substantia nigra pars reticularis (SNr). An accumulation of radioac...

journal_title：Experimental brain research

authors： Kultas-Ilinsky K,Ilinsky IA,Massopust LC,Young PA,Smith KR

更新日期：1978-11-15 00:00:00

abstract：:1. Unit spikes of burst neurons were extracellularly recorded in the pontomedullary reticular formation of the cat. These neurons were identified by their burst activity coincident with the quick inhibitory phase of the contralateral abducens nerve during vestibular nystagmus and their antidromic activation from the c...

journal_title：Experimental brain research

authors： Hikosaka O,Igusa Y,Nakao S,Shimazu H

更新日期：1978-11-15 00:00:00

abstract：:Injections of tritiated tracer precursors into one eye revealed a highly variable lamination pattern of the LGN in the marmoset Callithrix. In one specimen, only four cell layers were apparent with some indication of further differentiation. In a second specimen, six almost complete relay layers were found in the occi...

journal_title：Experimental brain research

authors： Spatz WB

更新日期：1978-11-15 00:00:00

abstract：:An aberrant crossed corticotectal pathway can be generated by removal of one visual cortex and the contralateral superior colliculus from newborn rats. This aberrant crossed corticotectal projection arises from the pyramidal neurons located in layer V of the visual cortex and terminates in a spatially orderly manner i...

journal_title：Experimental brain research

authors： Jen LS,Lund RD,Boles J

更新日期：1978-11-15 00:00:00

abstract：:It is known that kittens reared in ways that restrict movement while visual stimulation is received exhibit deficits in visually guided behavior. Presumably, the behavioral dysfunction is due to a lack of sensorimotor coordination during visual exposure. The current investigation was undertaken to study this effect bo...

journal_title：Experimental brain research

authors： Freeman RD

更新日期：1978-09-15 00:00:00

abstract：:Responses to pure visual stimuli and visual-vestibular interactions similar to those reported in other vertebrates were found in single vestibular nucleus neurons in cat. Contrary to prevailing hypotheses, the cerebellum is not an essential part of the pathway mediating these visual responses. ...

journal_title：Experimental brain research

authors： Keller EL,Precht W

更新日期：1978-08-15 00:00:00

abstract：:1. The activity of cat semicircular canal and otolith afferents was studied during yaw and roll rotations, respectively, to examine their dynamic behavior. 2. A sinusoidal analysis of the canal afferent activities showed that their dynamic characteristics are similar to those of second order vestibular neurons, except...

journal_title：Experimental brain research

authors： Anderson JH,Blanks RH,Precht W

更新日期：1978-08-15 00:00:00

abstract：:Pineal glands were collected from superior cervical ganglionectomized (SCGX) and sham-treated rats at time intervals following surgical manipulation. Pineal noradrenaline (NA) levels were quantitated by a radioisotopic-enzyme technique, or the pineals were examined by histofluorescence or electron microscopic techniqu...

journal_title：Experimental brain research

authors： Morgan WW,Hansen JT

更新日期：1978-07-14 00:00:00

abstract：:The efferent subcortical connections of the dorsomedial cortical visual area (DM) in the owl monkey were determined by tracing degenerating axons following lesions or by tracing axonal pathways following injection of radioactively labeled proline. Areas of termination included structures which are known to receive inp...

journal_title：Experimental brain research

authors： Norden JJ,Lin CS,Kaas JH

更新日期：1978-07-14 00:00:00

abstract：:Neurons in the caudal portions of the medial and descending vestibular nuclei and in vestibular cell group f that project to the cervical or lumbar spinal cord were located by antidromic spinal stimulation. These caudal vestibulospinal tract (CVST) neurons have a median conduction velocity of 12 m/sec, which is well b...

journal_title：Experimental brain research

authors： Peterson BW,Maunz RA,Fukushima K

更新日期：1978-06-19 00:00:00

abstract：:Neural cuffs, implanted around various hindlimb nerves (sural, common peroneal, posterior tibial), were used to deliver brief stimulus trains to unrestrained cats walking on a treadmill. The resulting perturbations of the step cycle were evaluated by analyzing the EMG bursts recorded from the ankle extensors and by hi...

journal_title：Experimental brain research

authors： Duysens J,Stein RB

更新日期：1978-06-19 00:00:00

abstract：:Single unit recordings were carried out in the reticularis thalamic nucleus (RT) and the ventral lateral geniculate body (LGv) of chronically prepared alert cats under sinusoidal vestibular stimulation in the horizontal plane. Optokinetic stimulation was also used. Of the 57 recorded neurons, 12 present vestibular mod...

journal_title：Experimental brain research

authors： Magnin M,Putkonen PT

更新日期：1978-05-12 00:00:00

abstract：:The time course of development of visual acuity for square wave gratings was measured behaviourally in a number of cats that were reared in total darkness until they were either 4 (5 cats) or 6 (1 cat) months of age. Less extensive measurements were also made on animals reared in a similar manner until they were eithe...

journal_title：Experimental brain research

authors： Timney B,Mitchell DE,Giffin F

更新日期：1978-04-14 00:00:00

abstract：:Four rhesus monkeys with bilateral removals of SII and five unoperated monkeys were trained on tests of tactile equivalence, weight discrimination and generalization, tactile discrimination learning (including concurrent learning and serial reversal) and inter-manual transfer of tactile learning. Lesioned animals were...

journal_title：Experimental brain research

authors： Ridley RM,Ettlinger G

更新日期：1978-04-14 00:00:00

abstract：:In searching for regulatory mechanisms involved in the cell-specific neuronal and glial transcription a cell-free transcriptional system has been developed using neuronal and glial rat brain chromatin and partially purified neuronal and glial nuclear rat brain RNA polymerases. Both free and chromatin-bound (engaged) n...

journal_title：Experimental brain research

authors： Sarkander HI,Dulce HJ

更新日期：1978-03-15 00:00:00

abstract：:It has previously been shown that unilateral ablation of the whole auditory cortex in the cat disrupts the precedence effect, and also interferes with the ability of the normal animal to discriminate in the Y-maze between a single sound on one side and a double sound consisting of a signal on both left and right sides...

journal_title：Experimental brain research

authors： Whitfield IC,Diamond IT,Chiveralls K,Williamson TG

更新日期：1978-02-15 00:00:00

abstract：:The responses of 192 single units in the cat's pulvinar-complex, comprising the inferior, medial and lateral pulvinar nuclei, were studied in paralysed cats, lightly anaesthetized with N2O/O2 supplemented with pentobarbitone. About 60% of the cells were visually driven and their receptive fields classified as either d...

journal_title：Experimental brain research

authors： Mason R

更新日期：1978-01-18 00:00:00

abstract：:A simple model of the vestibuloocular reflex and the optokinetic system was used to simulate recent data on visual and vestibular responses of neurons in the vestibular nucleus. Contrary to a previous interpretation, the results support the hypothesis that the optokinetic and semicircular canal signals are combined si...

journal_title：Experimental brain research

authors： Robinson DA

更新日期：1977-11-24 00:00:00

abstract：:In cats, 107 area 18 neurones with identified FR type, 10-50 degrees from the visual axis, were tested for the influence of direction, velocity and amplitude of movement. These three parameters are believed to be the primary parameters of a movement analysing system. 94% of the neurones were influenced by the directio...

journal_title：Experimental brain research

authors： Orban GA,Callens M

更新日期：1977-10-24 00:00:00

abstract：:Corticofugal influence upon lateral geniculate units was evaluated by inactivating the visual cortex with a topical application of 3M KCL in rabbits. The results revealed a decrease of spontaneous firing in slow P cells following cortical depression suggesting a tonic corticofugal influence. The most consistently obse...

journal_title：Experimental brain research

authors： Molotchnikoff S,Lachapelle P

更新日期：1977-09-28 00:00:00

abstract：:In rats under alpha-chloralose or without general anesthesia the effect of a lateral olfactory tract stimulus on the caudate nucleus electric activity was explored by bipolar macroelectrodes. The stimulation effectiveness and the reactivity of recording sites to somatic stimuli were systematically tested. Under these ...

journal_title：Experimental brain research

authors： Orsini JC

更新日期：1977-08-31 00:00:00

abstract：:A photographic technique was used to study the evolution of lateral head-tilt following hemilabyrinthectomy in adult cats. Animals were maintained post-operatively in normally lit conditions (LM cats), in total darkness (DM cats), or in stroboscopic light. In LM casts, the head tilt peaked at 45 degrees (with the lesi...

journal_title：Experimental brain research

authors： Putkonen PT,Courjon JH,Jeannerod M

更新日期：1977-06-27 00:00:00

abstract：:Observations of neurons in dorsal horn laminae IV-VI of the lumbosacral segments of Golgi-stained spinal cords in kittens and adult cats revealed laminar differences in dendritic architecture. Many neurons in lamina IV had dense, bushy dendritic fields. Lamina V contained, in addition to bushy cells similar in appeara...

journal_title：Experimental brain research

authors： Proshansky E,Egger MD

更新日期：1977-05-23 00:00:00