Characteristics of postural instability induced by ischemic blocking of leg afferents.

abstract：:Caloric vestibular stimulation (CVS) is a physiological technique demonstrated to transiently improve hemianaesthesia in right brain-damaged patients (Bottini et al. in Exp Brain Res 99(1):164-169, 1994, Nature 376:778-781, 1995, Neurology 65(8):1278-1283, 2005). Recent studies suggest that these effects are based on ...

journal_title：Experimental brain research

authors： Ferrè ER,Sedda A,Gandola M,Bottini G

更新日期：2011-01-01 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：:Hand shaping during prehension involves intricate coordination of a complex system of bones, joints, and muscles. It is widely hypothesized that the motor system uses strategies to reduce the degrees of independent control. Both biomechanical constraints that result in coupling of the fingers and joints and neural syn...

journal_title：Experimental brain research

authors： Prosise JF,Hendrix CM,Ebner TJ

更新日期：2015-02-01 00:00:00

abstract：:A total of ten alpha motor axons which innervated the peroneus brevis muscle were isolated in two cynomolgus monkeys. In each experiment, the isolated alpha axons were stimulated collectively to deplete glycogen from their muscle units. The muscle was then frozen quickly , cut serially, and stained for glycogen. Of th...

journal_title：Experimental brain research

authors： Murthy KS,Letbetter WD,Eidelberg E,Cameron WE,Petit J

更新日期：1982-01-01 00:00:00

abstract：:At a descriptive level, prehension movements can be partitioned into three components ensuring, respectively, the transport of the arm to the vicinity of the target, the orientation of the hand according to object tilt, and the grasp itself. Several authors have suggested that this analytic description may be an opera...

journal_title：Experimental brain research

authors： Desmurget M,Prablanc C,Arzi M,Rossetti Y,Paulignan Y,Urquizar C

更新日期：1996-07-01 00:00:00

abstract：:The blocking effect of triethyldodecylammoniumbromide (TEA-C12), applied locally to the sciatic nerve, was studied in 28 adult BDF1 mice. Clinical parameters, electrophysiological recordings of muscle action potentials evoked by stimulation at the sciatic notch, and morphological aspects are presented. Our results sho...

journal_title：Experimental brain research

authors： Seitz RJ,Lipfert P,Willrich A,Himmelmann F

更新日期：1989-01-01 00:00:00

abstract：:How the CNS deals with the issue of motor redundancy remains a central question for motor control research. Here we investigate the means by which neuromuscular and biomechanical factors interact to resolve motor redundancy in rhythmic multijoint arm movements. We used a two-df motorized robot arm to manipulate the dy...

journal_title：Experimental brain research

authors： de Rugy A,Riek S,Oytam Y,Carroll TJ,Davoodi R,Carson RG

更新日期：2008-08-01 00:00:00

abstract：:Attention to sensory stimulation modulates behavioural responses and cortical activity. Attention to movement can also modulate motor responses. For example, directing attention away from cued movements can increase reaction times. This study used fMRI to determine where in the motor cortex attention to movement modul...

journal_title：Experimental brain research

authors： Johansen-Berg H,Matthews PM

更新日期：2002-01-01 00:00:00

abstract：:We investigated the effect of musical expertise on sensitivity to asynchrony for drumming point-light displays, which varied in their physical characteristics (Experiment 1) or in their degree of audiovisual congruency (Experiment 2). In Experiment 1, 21 repetitions of three tempos x three accents x nine audiovisual d...

journal_title：Experimental brain research

authors： Petrini K,Dahl S,Rocchesso D,Waadeland CH,Avanzini F,Puce A,Pollick FE

更新日期：2009-09-01 00:00:00

abstract：:Quantitative autoradiography was used to examine central binding sites for L-[3H]glutamate in amygdaloid-kindled rats since receptors for excitatory amino acids have been implicated in epileptiform activity and seizure behaviors. In tissue from rats killed five days after two kindled seizures, the ipsilateral hippocam...

journal_title：Experimental brain research

authors： Cincotta M,Young NA,Beart PM

更新日期：1991-01-01 00:00:00

abstract：:Coarticulation indicates a dependence of a movement segment on a preceding segment (carry-over coarticulation) or on the segment that follows (anticipatory coarticulation). Here we study coarticulation in multidegrees of freedom human arm movements. We asked participants to transport a cylinder from a starting positio...

journal_title：Experimental brain research

authors： Hansen E,Grimme B,Reimann H,Schöner G

更新日期：2015-09-01 00:00:00

abstract：:High-status individuals have been found to be less attuned to the behaviour of others in the social environment, at least in the absence of any specific instructions to pay attention to them. Previous work using neural measures has shown that socioeconomic status (SES) influences the degree to which people are attuned...

journal_title：Experimental brain research

authors： Farwaha S,Obhi SS

更新日期：2020-04-01 00:00:00

abstract：:Excitation of dorsal neck motoneurones evoked by electrical stimulation of primary trigeminal afferents in the Gasserian ganglion has been investigated with intracellular recording from alpha-motoneurones in the cat. Single stimulation in the Gasserian ganglion ipsi- and contralateral to the recording side evoked exci...

journal_title：Experimental brain research

authors： Alstermark B,Pinter MJ,Sasaki S,Tantisira B

更新日期：1992-01-01 00:00:00

abstract：:In three monkeys trained to finely grade grip force in a visuomotor step-tracking task, the effect of the context on neuronal force correlates was quantitatively assessed. Three trial types, which differed in force range, number, and direction of the force steps, were presented pseudo-randomly and cued with the color ...

journal_title：Experimental brain research

authors： Hepp-Reymond M,Kirkpatrick-Tanner M,Gabernet L,Qi HX,Weber B

更新日期：1999-09-01 00:00:00

abstract：:Predicted motion (PM) tasks test the accuracy of predicting the future position of a moving target. Previous PM studies using audiovisual stimuli have suggested that observers rely primarily on visual motion cues. To clarify the role of auditory signals in predicting future positions of bimodal targets, we designed a ...

journal_title：Experimental brain research

authors： Prime SL,Harris LR

更新日期：2010-06-01 00:00:00

abstract：:Albino mammals show very characteristic deficits in their optokinetic system, and albino ferrets are even optokinetically blind. To investigate the neuronal causes for this defect we compared the morphology of retinal slip cells in the pretectal nucleus of the optic tract and the dorsal terminal nucleus of the accesso...

journal_title：Experimental brain research

authors： Telkes I,Garipis N,Hoffmann KP

更新日期：2001-10-01 00:00:00

abstract：:In classic conditioning, the interstimulus interval (ISI) between the conditioned (CS) and unconditioned (US) stimulus is a critical parameter. The aim of the present experiment was to assess whether, during conditioning, modification of the CS-US interval could reliably produce changes in the functional properties of...

journal_title：Experimental brain research

authors： Pananceau M,Rispal-Padel L

更新日期：2000-06-01 00:00:00

abstract：:During cerebral neocortical development, excitatory neurons are generated from radial glial cells in the ventricular zone (VZ) or from secondary progenitor cells in the subventricular zone (SVZ); these neurons then migrate toward the pial surface. We have observed that post-mitotic neurons generated directly in the VZ...

journal_title：Experimental brain research

authors： Tabata H,Yoshinaga S,Nakajima K

更新日期：2012-01-01 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：:The distribution and morphology of developing corpus callosum (CC) axons in rat visual cortex was studied by unilateral application of the in vivo anterograde tracer biotinylated dextran amine (BDA) to the visual or auditory cortex of newborns through adults. Changes in the distribution and morphology of CC axons duri...

journal_title：Experimental brain research

authors： Ding SL,Elberger AJ

更新日期：2001-01-01 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：:Preshaping the digits and orienting the hand when reaching to grasp a distal target is proposed to be optimal when guided by vision. A reach-to-grasp movement to an object in one's own mouth is a natural and commonly used movement, but there has been no previous description of how it is performed. The movement require...

journal_title：Experimental brain research

authors： Karl JM,Sacrey LA,Doan JB,Whishaw IQ

更新日期：2012-08-01 00:00:00

abstract：:The present study examines the development of grip force modulation relating to self-induced loads during repetitive vertical arm movements at different frequencies with a hand-held object. One hundred and thirty-four 3- to 6-year-old children and 16 adults were asked to move a lightweight object up and down at increa...

journal_title：Experimental brain research

authors： Blank R,Breitenbach A,Nitschke M,Heizer W,Letzgus S,Hermsdörfer J

更新日期：2001-05-01 00:00:00

abstract：:Within the substantia nigra, anatomical, neurochemical and pharmacological findings strongly suggest that transmitter and protein are secreted from the dendrites of nigrostriatal neurones. This phenomenon may underlie a non classical modulatory cellular mechanism. Two conductances are generated in nigrostriatal neuron...

journal_title：Experimental brain research

authors： Harris NC,Ramsay S,Kelion A,Greenfield SA

更新日期：1989-01-01 00:00:00

abstract：:Is it possible to learn to perform a motor sequence without awareness of the sequence? In two experiments, we presented participants with the most elementary sequence: an alternation between two options. We used a double-step pointing task in which the final position of the target alternated between two quite similar ...

journal_title：Experimental brain research

authors： Oostwoud Wijdenes L,Brenner E,Smeets JB

更新日期：2016-06-01 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：:Humans are extraordinarily skilled in the tactile evaluation of, and differentiation between, surfaces. The chemical and mechanical properties of these surfaces are translated into tactile signals during haptic exploration by mechanoreceptors in our skin, which are specialized to respond to different types of temporal...

journal_title：Experimental brain research

authors： Skedung L,Harris KL,Collier ES,Rutland MW

更新日期：2020-06-01 00:00:00

abstract：:The tectofugal pathway in birds has been reported to process primarily information from the contralateral eye. Although this pathway has access to the contralateral hemisphere by various connections, electrophysiological recordings up to now have failed to demonstrate any excitatory influence of visual stimulation in ...

journal_title：Experimental brain research

authors： Engelage J,Bischof HJ

更新日期：1988-01-01 00:00:00

abstract：:Artificial sensations can be produced by direct brain stimulation of sensory areas through implanted microelectrodes, but the perceptual psychophysics of such artificial sensations are not well understood. Based on prior work in cortical stimulation, we hypothesized that perceived intensity of electrical stimulation m...

journal_title：Experimental brain research

authors： Fridman GY,Blair HT,Blaisdell AP,Judy JW

更新日期：2010-06-01 00:00:00

abstract：:We recognize objects even when they are partially degraded by visual noise. Using monkeys performing a sequential delayed match-to-sample task, we studied the relation between the amount of visual noise (5, 10, 15, 20 or 25%) degrading the eight black and white stimuli used here, and the accuracy and speed with which ...

journal_title：Experimental brain research

authors： Shidara M,Richmond BJ

更新日期：2005-05-01 00:00:00