abstract：:The cerebrovascular consequences of the gentle restraint commonly used for the measurement of local cerebral blood flow (LCBF) in conscious rats has been tested by using two drugs, propranolol and diazepam. Propranolol induced small LCBF decreases in 7 structures suggesting that the cerebral circulation was partially ...

journal_title：Experimental brain research

authors： Lasbennes F,Seylaz J

更新日期：1986-01-01 00:00:00

abstract：:Thaw-mount autoradiography was used to map target neurons for tritiated steroids in the brains of ovariectomized rhesus monkeys. In five females, studies were performed 60 min after the administration of 3H-estradiol. Of these, two females were pretreated for five days with daily injections of 2 mg testosterone propio...

journal_title：Experimental brain research

authors： Rees HD,Bonsall RW,Michael RP

更新日期：1986-01-01 00:00:00

abstract：:Immunoreactive TRH-containing neurons and their synaptic associations were studied electron microscopically in the paraventricular nucleus (PVN) and dorsomedial nucleus (DMH) of the rat hypothalamus. In propylthiouracil (PTU)-treated rats, the immunoreactive cell bodies in the PVN appeared to be activated, showing a h...

journal_title：Experimental brain research

authors： Hisano S,Ishizuka H,Nishiyama T,Tsuruo Y,Katoh S,Daikoku S

更新日期：1986-01-01 00:00:00

abstract：:Differential pulse voltammetry was performed in rats chronically implanted with carbon fiber electrodes in the caudate (n.Cd) and raphe dorsalis (n.RD) nuclei. The electrochemical signal obtained at the +300 mV potential (peak 3) in animals implanted for more than one week (long term chronic conditions, greater than 7...

journal_title：Experimental brain research

authors： Cespuglio R,Sarda N,Gharib A,Faradji H,Chastrette N

更新日期：1986-01-01 00:00:00

abstract：:Norepinephrine (NE)-induced, long-lasting facilitation of the perforant path evoked population spike amplitude in the dentate gyrus (DG) has been reported to occur following iontophoresis of norepinephrine in the DG in vivo and following application of 10 or 20 microM NE to the hippocampal slice in vitro. The present ...

journal_title：Experimental brain research

authors： Harley CW,Milway JS

更新日期：1986-01-01 00:00:00

abstract：:We have previously described a visual area situated in the cortex surrounding the deep infolding of the anterior ectosylvian sulcus of the cat (Mucke et al. 1982). Using orthograde and retrograde transport methods we now report anatomical evidence that this anterior ectosylvian visual area (AEV) is connected with a su...

journal_title：Experimental brain research

authors： Norita M,Mucke L,Benedek G,Albowitz B,Katoh Y,Creutzfeldt OD

更新日期：1986-01-01 00:00:00

abstract：:Normal development of motor function was compared to that of cats with spinal transections at birth (newborn operates) or at approximately two weeks after birth (two week operates). Newborn operates expressed motor behavior not seen until sometime later in normal newborn cats, suggesting that this behavior is normally...

journal_title：Experimental brain research

authors： Robinson GA,Goldberger ME

更新日期：1986-01-01 00:00:00

abstract：:For the vestibulo-ocular reflex (VOR) to function properly, namely to ensure a stable retinal image under all circumstances, it should be able to take into account varying eye positions in the orbit and varying orientations of the head with respect to the axis about which it is rotating. We tested this capability by q...

journal_title：Experimental brain research

authors： Fetter M,Hain TC,Zee DS

更新日期：1986-01-01 00:00:00

abstract：:The nature of spontaneous unitary activity of rat neocortex was investigated during slow wave sleep and urethane anaesthesia. Neurones in layer IV and V locations fired in a burst-pause pattern at a low burst repetition rate (0.5-4 per second) during both stage 3/4 sleep and urethane anaesthesia. Occasionally an alter...

journal_title：Experimental brain research

authors： Fox K,Armstrong-James M

更新日期：1986-01-01 00:00:00

abstract：:Using a special tetrazolium salt technique, a striking correlation was observed between Na+ concentration of the incubation medium and the formation of formazan catalyzed by glutamate dehydrogenase (GDH) in glutamatergic neuropil areas of the hippocampal formation, cerebellum, and other brain regions. Na+ concentratio...

journal_title：Experimental brain research

authors： Wolf G,Schünzel G,Rothe F

更新日期：1986-01-01 00:00:00

abstract：:We have previously reported that electrical stimulation in LC or NRM when tested on the activity of a multireceptive neurone in the spinal cord produced similar inhibitory actions. The present study aimed to define the pathways that mediate this descending inhibitory action in the spinal cord by pharmacological means ...

journal_title：Experimental brain research

authors： Mokha SS,McMillan JA,Iggo A

更新日期：1986-01-01 00:00:00

abstract：:Prevention of testosterone aromatization in the female rat pups by perinatal treatment with 1,4,6 androstatriene-3,17-dione (ATD) induces an important defeminization as shown by a reduction of fluctuations of LH release after castration and estradiol implantation. The fact that, under our in vitro experimental conditi...

journal_title：Experimental brain research

authors： Slama A,Gogan F,Sarrieau A,Vial M,Rostene W,Kordon C

更新日期：1986-01-01 00:00:00

abstract：:Extracellular unit recording was employed to study the axonal properties and efferent projections of antidromically identified neurons in the olfactory peduncle (OP) region of a primitive eutherian macrosmatic mammal, the south american armadillo (Chaetophractus vellerosus). Of 72 cells which satisfied the criteria fo...

journal_title：Experimental brain research

authors： Ferreyra-Moyano H,Cinelli AR

更新日期：1986-01-01 00:00:00

abstract：:Retinal and cortical afferents to the superior colliculus of the rabbit were labelled simultaneously by injecting 3H-leucine into the right eye and HRP into the left visual cortex. It could be shown that there is some convergence of retinal and cortical input onto common postsynaptic elements in the superficial grey, ...

journal_title：Experimental brain research

authors： Hofbauer A,Holländer H

更新日期：1986-01-01 00:00:00

abstract：:Previous investigations have suggested that the dorsolateral pontine tegmentum (DLP) may be part of a system essential for classical conditioning of the nictitating membrane response. The present study examined CR-related firing patterns of extracellularly-recorded single units in the DLP. Differential conditioning, u...

journal_title：Experimental brain research

authors： Desmond JE,Moore JW

更新日期：1986-01-01 00:00:00

abstract：:Normal subjects standing on an earth-fixed force platform inside a movable room displaced at velocities comparable to those accompanying spontaneous body sway, exhibit a visually evoked postural response (VEPR) some 600 ms after the start of the room movement. It consists of a displacement of the centre of force of th...

journal_title：Experimental brain research

authors： Bronstein AM

更新日期：1986-01-01 00:00:00

abstract：:The spatial separation of the eyes in animals with overlapping visual fields means that parts of a three dimensional object project to slightly disparate retinal points in each eye. This disparity, once interpreted by the brain, is thought to be a sufficient condition for stereoperception. In the present experiment, s...

journal_title：Experimental brain research

authors： Lepore F,Ptito M,Lassonde M

更新日期：1986-01-01 00:00:00

abstract：:The firing patterns of alpha and gamma efferent fibres and of group I and group II afferent fibres innervating the gastrocnemius muscle were observed during spontaneous locomotor movements in the thalamic cat. Multi-unit discharges of each kind of fibre were obtained by electronic sorting of the action potentials from...

journal_title：Experimental brain research

authors： Bessou P,Cabelguen JM,Joffroy M,Montoya R,Pagès B

更新日期：1986-01-01 00:00:00

abstract：:The ensemble properties of unit activity in the rat hippocampus were studied during different behavioral states defined by the presence or absence of the theta rhythm. A 24-channel microelectrode was used to monitor the parallel activity of several single neurons simultaneously. Individual units were characterized by ...

journal_title：Experimental brain research

authors： Kuperstein M,Eichenbaum H,VanDeMark T

更新日期：1986-01-01 00:00:00

abstract：:Single cells were recorded in layers A and A1 of the cat dorsal lateral geniculate nucleus (dLGN) with multibarrel micropipettes. Interocular inhibition ("binocular inhibition") was elicited by phase-reversing gratings presented monocularly to the nondominant eye. This inhibition was blocked by microiontophoretic appl...

journal_title：Experimental brain research

authors： Pape HC,Eysel UT

更新日期：1986-01-01 00:00:00

abstract：:The response characteristics of mechanoreceptive neurons (RA, SA, and PC) innervating the foot pad of cat were determined in the cuneate nucleus. The mechanical stimuli were single sinusoidal pulses of varying frequency (20, 60, 150, and 240 Hz), and vibratory trains of varying frequency (80 and 240 Hz) and duration (...

journal_title：Experimental brain research

authors： Pertovaara A,Huopaniemi T,Tukeva T

更新日期：1986-01-01 00:00:00

abstract：:The possibility that effects of fornix stimulation on units in the medial preoptic region (MPO) may be via an interposed neuron in the dorsal septum was investigated using electrophysiological techniques. We found a reciprocal monosynaptic linkage between the MPO and the dorsal, medial and fimbrial septal nuclei. When...

journal_title：Experimental brain research

authors： Hubbard JI,Sirett NE,Mills RG,Hyland BI

更新日期：1986-01-01 00:00:00

abstract：:A lesion limited to the dorsal columns, at the level of L3-L4, was carried out in chronic cats. This operation produced a "partial axotomy" type of lesion on the ascending branches of Ia hind limb afferents. Two to six months after this operation, intracellular studies on L7-S1 motoneurons were carried out. Similar st...

journal_title：Experimental brain research

authors： Decima EE,Lorenzo D,Mallach L

更新日期：1986-01-01 00:00:00

abstract：:During the flight of Spacelab-1 a series of vestibular experiments was performed on the crew by a group of European investigators. Control experiments were carried out on the same subjects pre- and postflight. The tests included caloric stimulation of the ears, threshold measurements of response to linear acceleration...

journal_title：Experimental brain research

authors： von Baumgarten RJ

更新日期：1986-01-01 00:00:00

abstract：:After several days of exposure to optically-imposed post-saccadic retinal slip, the saccades of normal monkeys acquire an exponential ocular drift. This drift is in the direction of the imposed image motion, and persists in the dark. It has been argued that these changes result from the operation of a visually mediate...

journal_title：Experimental brain research

authors： Optican LM,Zee DS,Miles FA

更新日期：1986-01-01 00:00:00

abstract：:Two-shock inhibition, a feature of 98 of 100 P cells recorded in the dorsal lateral geniculate nucleus of the normal rat, was not observed in 91 of 140 geniculate cells after an electrolytic lesion had been made in the adjacent visually responsive thalamic reticular nucleus. Nine geniculate cells recorded both before ...

journal_title：Experimental brain research

authors： French CR,Sefton AJ,Mackay-Sim A

更新日期：1985-01-01 00:00:00

abstract：:Following large injections of horseradish peroxidase - wheat germ agglutinin in the pontine nuclei, corticopontine neurons in areas 18 and 19 were quantitatively mapped and flat maps showing the distribution of retrogradely labeled cells were constructed. The areal borders were defined either cyto- and myeloarchitecto...

journal_title：Experimental brain research

authors： Bjaalie JG

更新日期：1985-01-01 00:00:00

abstract：:The developing lateral geniculate complex was excised from fetal albino rats at 18 days of gestation and implanted into the occipital cortex of host animals at 5 days of postnatal age. Groups of host animals were sacrificed at 10, 20 and 30 days following this procedure. The transplant tissue of selected animals was s...

journal_title：Experimental brain research

authors： Matthews MA

更新日期：1985-01-01 00:00:00

abstract：:Ocular responses to optokinetic stimulation were reexamined in adult albino rats of two different strains. Eye movements were measured in head-restrained animals using the search coil method. In contrast to some previous results, the albino rats showed optokinetic nystagmus, and some of them made responses comparable ...

journal_title：Experimental brain research

authors： Sirkin DW,Hess BJ,Precht W

更新日期：1985-01-01 00:00:00

abstract：:Single unit activity was studied in the dorsomedial edge of the frontal lobe, above the superior arcuate sulcus in three trained monkeys (Macaca nemestrina). Gaze and head movements were recorded with two magnetic search coils. Discharges preceding spontaneous eye movements in a preferred direction were consistently o...

journal_title：Experimental brain research

authors： Schlag J,Schlag-Rey M

更新日期：1985-01-01 00:00:00

abstract：:The possibility of a cerebellar linkage, via the thalamus with medial area 6 of the cerebral cortex was further explored in the present experiments (cf. preceding companion paper). It was found that HRP conjugated to the lectin wheat germ agglutinin injected into motor cortical areas was transported beyond the thalamu...

journal_title：Experimental brain research

authors： Wiesendanger R,Wiesendanger M

更新日期：1985-01-01 00:00:00

abstract：:The luminance detectors in the olivary pretectal nucleus, which are likely candidates mediating the pupillary light reflex, responded to all frequencies of sinusoidally modulated light up to 12-25 Hz. At low frequencies (0.05-4.0 Hz) the luminance detectors responded with modulated firing to different stimulation rate...

journal_title：Experimental brain research

authors： Clarke RJ,Ikeda H

更新日期：1985-01-01 00:00:00

abstract：:We report the connections of cerebellar cortical lobule HVI in the rabbit. We have studied the anterograde and retrograde transport of wheatgerm-agglutinated horseradish peroxidase (WGA-HRP) following its injection into HVI to reveal efferent and afferent connections. All of the cases showed strong anterograde transpo...

journal_title：Experimental brain research

authors： Yeo CH,Hardiman MJ,Glickstein M

更新日期：1985-01-01 00:00:00

abstract：:Fetal spinal cord tissue was grafted to the anterior chamber of the eye of adult recipients. Transverse segments from the cervical and high thoracic levels were divided in halves which were grafted directly or further divided into ventral horn and dorsal horn parts before grafting. Survival and intraocular growth was ...

journal_title：Experimental brain research

authors： Henschen A,Hoffer B,Olson L

更新日期：1985-01-01 00:00:00

abstract：:Mammalian muscle spindles show persistent after-effects following conditioning stretch or fusimotor stimulation. Most previous observations have been carried out on primary endings of spindles and using dynamic fusimotor stimulation. We report here observations on after-effects produced either by conditioning stretch ...

journal_title：Experimental brain research

authors： Proske U,Morgan DL

更新日期：1985-01-01 00:00:00

abstract：:Injections of combined lectin-conjugated and unconjugated horseradish peroxidase were made in the dorsal (d) and ventral (v) divisions of the paramedian reticular nucleus (PRN), a precerebellar relay nucleus, of the cat. The origins of supramedullary afferent projections to the PRN were identified in the pons, midbrai...

journal_title：Experimental brain research

authors： Elisevich K,Hrycyshyn AW,Flumerfelt BA

更新日期：1985-01-01 00:00:00

abstract：:Injections of horseradish peroxidase conjugated with wheat germ agglutinin (WGA-HRP) were made into the cortex of kittens. When cytochrome oxidase histochemistry was performed on sections taken through the injection sites staining of the WGA-HRP deposits occurred, demonstrating that WGA-HRP can cross-react during proc...

journal_title：Experimental brain research

authors： Price D,Zumbroich T

更新日期：1985-01-01 00:00:00

abstract：:Intracellular recording techniques were used to test for cross-modality and topographic convergence among inputs to area 3a of cerebral cortex. Recordings were made within the projection area of group I afferent fibers of the deep radial nerve in barbiturate-anesthetized cats. Epsps were evoked in 90% of neurons (81/9...

journal_title：Experimental brain research

authors： Kang R,Herman D,MacGillis M,Zarzecki P

更新日期：1985-01-01 00:00:00

abstract：:Single unit activity was recorded from tuberoinfundibular neurones in urethane-anaesthetized pro-oestrous rats. Responses following single shock (0.2 Hz) stimulation of the preoptic area/anterior hypothalamus (PO/AH) or nucleus accumbens (ACB) were recorded and computed for 137 single units. More cells were shown, by ...

journal_title：Experimental brain research

authors： Saphier DJ

更新日期：1985-01-01 00:00:00

abstract：:Human subjects attempted to modify their vestibuloocular reflex (VOR) in the dark by fixating imagined targets while experiencing predictable (SIN) sinusoidal (0.01-2.5 Hz) and unpredictable (SSN) sum of sines rotational stimuli (0.02-1.9 Hz). Modification was attempted under 2 instructional sets: VOR enhancement, ie ...

journal_title：Experimental brain research

authors： McKinley PA,Peterson BW

更新日期：1985-01-01 00:00:00