Temporal and spatial patterns of cortical activation during assisted lower limb movement.

abstract：:This study addressed the anticonvulsant effects of phenobarbital, valproate, and ethosuximide in the amygdala of kindled guinea pigs to further validate this model for the screening of anticonvulsant drugs. Behavioral toxic effects were assessed at 30 min following drug administration using quantitative locomotor test...

journal_title：Experimental brain research

authors： Gilbert TH,Corley SM,Teskey GC

更新日期：2002-10-01 00:00:00

abstract：:Adult male rats were injected with 6-hydroxydopamine, either into the lateral brain ventricle or directly into the dorsal hippocampus. They were adrenalectomized 5-7 days later, and following an additional 24 hours, the specific in vitro 3H-corticosterone binding capacity of dorsal hippocampal slices was determined by...

journal_title：Experimental brain research

authors： Weidenfeld J,Siegel RA,Corcos AP,Chen M,Feldman S,Chowers I

更新日期：1983-01-01 00:00:00

abstract：:Rats with unilateral or bilateral partial section of the fornix were impaired on an eight arm radial maze task. Neurochemical analysis of hippocampal tissue four weeks after the lesions revealed a 50% reduction of choline acetyltransferase (ChAT) activity. The cholinergic marker was correlated negatively with the numb...

journal_title：Experimental brain research

authors： Sara SJ,Dyon-Laurent C,Guibert B,Leviel V

更新日期：1992-01-01 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：:Primary somatosensory cortex (S1) is known to rapidly adapt to task demands and to intermodal information (e.g. from vision). Here, we show that also intramodal information (i.e. posture) can affect tactile attentional selection processes and the intermodal effects of vision on those processes at S1 stages of processi...

journal_title：Experimental brain research

authors： Gillmeister H,Forster B

更新日期：2012-09-01 00:00:00

abstract：:Motor-unit activity in m. biceps brachii during isometric flexion contractions has been compared with motor-unit activity during a) slow voluntary movements against constant or increasing preloads and b) flexion contractions while movements were imposed by a torque motor. Recruitment levels and firing frequency behavi...

journal_title：Experimental brain research

authors： Tax AA,Denier van der Gon JJ,Gielen CC,Kleyne M

更新日期：1990-01-01 00:00:00

abstract：:In order to determine whether neurones in the parvicellular reticular formation are in direct synaptic contact with motoneurones innervating facial muscles, a combined retrograde and anterograde transport study was carried out in the rat. Animals received injections of the retrograde tracer cholera toxin B conjugated ...

journal_title：Experimental brain research

authors： Mogoseanu D,Smith AD,Bolam JP

更新日期：1994-01-01 00:00:00

abstract：:In an attempt to identify cholinergic neurons of the brain stem which project to the forebrain, retrograde labeling of neurons in the brain stem was examined by autoradiography following injections of 20 microCi [3H]choline into the thalamus, hypothalamus, basal forebrain and frontal cortex. After injections into the ...

journal_title：Experimental brain research

authors： Jones BE,Beaudet A

更新日期：1987-01-01 00:00:00

abstract：:Auditory dysfunction, including hypersensitivity and tinnitus, is a common symptom of autism spectrum disorder (ASD). Prenatal exposure to the antiseizure medication valproic acid (VPA) significantly increases the risk of ASD in humans and similar exposure is utilized as an animal model of ASD in rodents. Animals expo...

journal_title：Experimental brain research

authors： Mansour Y,Ahmed SN,Kulesza R

更新日期：2020-11-16 00:00:00

abstract：:We examined the characteristics of postsynaptic potentials (PSPs) produced in antidromically-identified medical gastrocnemius (MG) alpha-motoneurons by electrical stimulation of low threshold (less than 3 x T) distal limb cutaneous afferents in the sural (SUR) nerve in adult cats anesthetized with alpha-chloralose, to...

journal_title：Experimental brain research

authors： Pinter MJ,Burke RE,O'Donovan MJ,Dum RP

更新日期：1982-01-01 00:00:00

abstract：:Although maintenance of steady contractions is required for many daily tasks, there is little understanding of brain areas that modulate lower limb force accuracy. Functional magnetic resonance imaging was used to determine brain areas associated with steadiness and force during static (isometric) lower limb target-ma...

journal_title：Experimental brain research

authors： Yoon T,Vanden Noven ML,Nielson KA,Hunter SK

更新日期：2014-10-01 00:00:00

abstract：:Human observers can detect combinations of multisensory signals faster than each of the corresponding signals presented separately. In simple detection tasks, this facilitation in response times may reflect an enhancement in the perceptual processing stage or/and in the motor response stage. The current study compared...

journal_title：Experimental brain research

authors： Hecht D,Reiner M,Karni A

更新日期：2008-08-01 00:00:00

abstract：:The dual visuomotor channel theory proposes that prehension consists of a Reach that transports the hand in relation to an object's extrinsic properties (e.g., location) and a Grasp that shapes the hand to an object's intrinsic properties (e.g., size and shape). In central vision, the Reach and the Grasp are integrate...

journal_title：Experimental brain research

authors： Hall LA,Karl JM,Thomas BL,Whishaw IQ

更新日期：2014-09-01 00:00:00

abstract：:It has previously been found that in fast point-to-point arm movements, proprioceptive feedback is centrally suppressed at the beginning of movement and is facilitated at a time that is correlated with temporal parameters of the planned movement. Here, we show that this correlation holds when subjects are explicitly i...

journal_title：Experimental brain research

authors： David FJ,Poon C,Niu CM,Corcos DM,Shapiro MB

更新日期：2009-10-01 00:00:00

abstract：:The amyloid precursor protein (APP) is one of the key proteins in Alzheimer's disease (AD), as it is the precursor of amyloid β (Aβ) peptides accumulating in amyloid plaques. The processing of APP and the pathogenic features of especially Aβ oligomers have been analyzed in detail. Remarkably, there is accumulating evi...

journal_title：Experimental brain research

authors： Baumkötter F,Wagner K,Eggert S,Wild K,Kins S

更新日期：2012-04-01 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 effects of an external constant force bias on the information transmitted (Ti) by the direction of isometric force exerted in 2-dimensional (2-D) space by human subjects were studied using an isometric manipulandum and random dot stereograms generated in a color display (Massey et al. 1988, Massey et al. 1990). Su...

journal_title：Experimental brain research

authors： Massey JT,Drake RA,Georgopoulos AP

更新日期：1991-01-01 00:00:00

abstract：:Humans can skillfully recognize actions from others' body motion and make a judgment or response at once. Previous neuroimaging studies have mostly utilized diminished and brief human motion stimuli and indicated that human occipito-temporal cortex plays a critical role at biological motion recognition. It remains unc...

journal_title：Experimental brain research

authors： Ma F,Xu J,Li X,Wang P,Wang B,Liu B

更新日期：2018-03-01 00:00:00

abstract：:To investigate whether the sensory perception could be a more direct assessment of sensory deficit as oppose to the postural performance, we examined the effect of reduced cutaneous cues on motion perception and motion control. The subject was translated in a mediolateral direction with a single sinusoidal acceleratio...

journal_title：Experimental brain research

authors： Yi Y,Park S

更新日期：2009-05-01 00:00:00

abstract：:Descending projections from the mesencephalon and superior colliculus to the inferior olive were analyzed by an autoradiographic tracing method. Injections of tritium-labelled leucine were placed in regions which had previously been identified as sources of afferents to the olive. These were located adjacent to the ce...

journal_title：Experimental brain research

authors： Saint-Cyr JA,Courville J

更新日期：1982-01-01 00:00:00

abstract：:Excitation and inhibition of jaw-closing motoneurons (Masseteric and Temporal Motoneurons, Mass. and Temp. Mns) during transient jaw closing, the so-called jaw-closing reflex, and prolonged jaw opening elicited by palatal stimulation were studied. By pressing the anterior palatal surfaces sustained jaw opening was eli...

journal_title：Experimental brain research

authors： Takata M,Tomioka S,Nakajo N

更新日期：1991-01-01 00:00:00

abstract：:Experiments were carried out on the in vitro preparation of the lamprey brainstem isolated together with the labyrinths. The brain orientation in space could be changed in steps of 45 degrees by rotation (360 degrees) around the longitudinal axis (roll) or the transverse axis (pitch). Vestibular afferents in the VIII ...

journal_title：Experimental brain research

authors： Deliagina TG,Orlovsky GN,Grillner S,Wallén P

更新日期：1992-01-01 00:00:00

abstract：:The smooth pursuit system moves the eyes in space accurately while compensating for visual inputs from the moving background and/or vestibular inputs during head movements. To understand the mechanisms underlying such interactions, we examined the influence of a stationary textured visual background on smooth pursuit ...

journal_title：Experimental brain research

authors： Takeichi N,Fukushima J,Kurkin S,Yamanobe T,Shinmei Y,Fukushima K

更新日期：2003-04-01 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：:Double-labeling combined with elution-restaining immunofluorescence techniques were used to analyze the extent of coexistence among the peptides cholecystokinin (CCK), peptide histidine-isoleucine (PHI)/vasoactive intestinal polypeptide (VIP), substance P and the catecholamine-synthesizing enzyme tyrosine hydroxylase ...

journal_title：Experimental brain research

authors： Seroogy K,Tsuruo Y,Hökfelt T,Walsh J,Fahrenkrug J,Emson PC,Goldstein M

更新日期：1988-01-01 00:00:00

abstract：:This study was undertaken to elucidate neural control of the arterial blood pressure (ABP) in head-down postural change which causes both stimulation to the vestibular system and head-ward fluid shift. Experiments were carried out with urethane-anesthetized rabbits. The animal was mounted on a tilting table, tilted to...

journal_title：Experimental brain research

authors： Nakamura Y,Matsuo S,Hosogai M,Kawai Y

更新日期：2009-04-01 00:00:00

abstract：:Pain is a conscious experience, crucial for survival. To investigate the neural basis of pain perception in humans, a large number of investigators apply noxious stimuli to the body of volunteers while sampling brain activity using different functional neuroimaging techniques. These responses have been shown to origin...

journal_title：Experimental brain research

authors： Iannetti GD,Mouraux A

更新日期：2010-08-01 00:00:00

abstract：:How do we achieve unitary perception of an object when it touches two parts of the sensory epithelium that are not contiguous? We investigated this problem with a simple psychophysical task, which we then used in an fMRI experiment. Two wooden rods were moved over two digits positioned to be spatially adjacent. The di...

journal_title：Experimental brain research

authors： Peelen MV,Rogers J,Wing AM,Downing PE,Bracewell RM

更新日期：2010-07-01 00:00:00

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：:Abstract. Although the contribution of binocular vision to reach-to-grasp movements has been extensively studied, it has been largely ignored in locomotion. The aim of these studies was to explore the role of binocular vision during the approach phase and step over the obstacle and the contribution of head movements t...

journal_title：Experimental brain research

authors： Patla AE,Niechwiej E,Racco V,Goodale MA

更新日期：2002-02-01 00:00:00