Abstract：
:The effects of degrading retinal image velocity information on suppression of the vestibulo-ocular reflex have been assessed through tachistoscopic presentation of target sources in man. Subjects were required to fixate a head-fixed display during exposure to a 0.5 Hz sinusoidal angular oscillation of the head at +/- 60 degrees/s. In the first experiment it was found that the degree of suppression was progressively degraded as the interval between successive target presentations was increased from 10 to 3,000 ms. In the second experiment no effect of changing the duration of the target pulse was observed over a range from 20 to 1,000 microseconds. The results appear consistent with a model of visual motion sensitivity in which relative velocity information is obtained by the temporal integration of responses from spatially separated retinal cells.
journal_name
Exp Brain Resjournal_title
Experimental brain researchauthors
Barnes GR,Edge Adoi
10.1007/BF00239187subject
Has Abstractpub_date
1983-01-01 00:00:00pages
228-36issue
2-3eissn
0014-4819issn
1432-1106journal_volume
50pub_type
杂志文章abstract：:Load perturbations were applied to the arm of human subjects under conditions where both limb segments (upper arm and forearm) were free to move. The perturbations consisted of pulses of torque 50 ms in duration and of pseudo-random sequences of such pulses. They were applied to either the forearm or the upper arm. Un...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00237573
更新日期：1986-01-01 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
pub_type： 杂志文章
doi：10.1007/BF00237845
更新日期：1985-01-01 00:00:00
abstract：:The blood-brain barrier (BBB) arises from epithelial-like tight junctions that virtually cement adjoining capillary endothelium together in the brain microvasculature. Several experimental manipulations have been shown able to increase the permeability of brain capillaries, by altering endothelial cell membrane integr...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/pl00005725
更新日期：1997-07-01 00:00:00
abstract：:The aim of this research was to analyse the development of postural reactions to approaching (AOF) and receding (ROF) ground rectilinear optical flows. Optical flows were shaped by a pattern of circular spots of light projected on the ground surface by a texture flow generator. The geometrical structure of the project...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-004-1930-1
更新日期：2004-11-01 00:00:00
abstract：:In order to study prehension in a reproducible manner, we trained monkeys to perform a task in which rectangular, spherical, and cylindrical objects were grasped, lifted, held, and lowered in response to visual cues. The animal's hand movements were monitored using digital video, together with simultaneously recorded ...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s002210050803
更新日期：1999-08-01 00:00:00
abstract：:We studied visuomotor processing in the middle (MS) and lateral suprasylvian (LS) cortices of the alert cat by making single cell recordings while the cat was working in a behavioral task requiring visual fixation and visually guided eye movements. We found responses with three different components: visual sensory, sa...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF02259125
更新日期：1992-01-01 00:00:00
abstract：:Neuronal activity was studied in the primary (M1), supplementary (M2), dorsal premotor (PMd), and ventral premotor (PMv) cortex of awake, behaving rhesus monkeys. The animals performed forelimb movements to three targets, each approached by three different types of trajectories. With one trajectory type, the monkey mo...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00231153
更新日期：1991-01-01 00:00:00
abstract：:The aim of the present study was to assess the effects of dopaminergic medication on the selection-for-action mechanisms in Parkinson's disease (PD). PD subjects were tested after not having taken medication for at least 12 h ("Off' state) and then retested 1-2 h after medication ("On" state). A three-dimensional kine...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s002210000510
更新日期：2000-11-01 00:00:00
abstract：:Hand muscle reflexes following muscle stretch and electrical nerve stimulation show a typical pattern consisting of short- and long-latency reflexes. The present investigation was designed to test reflexes following pure cutaneous stimulation. Air puffs were delivered to the palmar tip and the nail bed of the first, s...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00242189
更新日期：1995-01-01 00:00:00
abstract：:Clear vision of objects moving in three-dimensional space near an observer is attained by a combination of smooth-pursuit and vergence eye movements. The two systems must interact with the vestibular system to maintain the image of the object on the fovea. Previous studies showed that training with smooth-pursuit vest...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-003-1777-x
更新日期：2004-05-01 00:00:00
abstract：:The distribution of anterogradely-labeled fibers and retrogradely-labeled cell bodies in the interpeduncular nucleus (IPN) was mapped after injections of wheat-germ agglutinin conjugated to horseradish peroxidase (WGA-HRP) into various structures of the basal forebrain in adult rats. WGA-HRP injections into the medial...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00279657
更新日期：1988-01-01 00:00:00
abstract：:The present experiment assessed the locomotor response to a low dose (1 mg/kg) of systemic D-amphetamine in rats with cytotoxic lesions of the retrohippocampus (entorhinal and extra-subicular cortices), compared with vehicle-operated shams and unoperated controls. Under spontaneous and saline conditions, both the sham...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00241131
更新日期：1995-01-01 00:00:00
abstract：:Previous work has highlighted the role of haptic feedback for manual dexterity, in particular for the control of precision grip forces between the index finger and thumb. It is unclear how fine motor skills involving more than just two digits might be affected, especially given that loss of sensation from the hand aff...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-019-05583-2
更新日期：2019-09-01 00:00:00
abstract：:The latencies of visually-evoked responses from X- and Y-type neurons of the cat's dorsal lateral geniculate nucleus were measured in a manner that takes account of the inherent variability of discharge in these cells. Latencies measured in this way vary from trial to trial in one cell (and also between cells) by tens...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00235998
更新日期：1987-01-01 00:00:00
abstract：:The present study was conducted to visualize the ultrastructural features of vestibular efferent boutons in the oyster toadfish, Opsanus tau. The crista ampullaris of the horizontal semicircular canal was processed for and examined by routine transmission electron microscopy. The results demonstrate that such boutons ...
journal_title：Experimental brain research
pub_type： 更正并重新发布的文章,杂志文章
doi：10.1007/s00221-004-1898-x
更新日期：2004-07-01 00:00:00
abstract：:Slow eye movements were observed while the monkey fixated on a subject-stationary, small target light in front of a moving optokinetic drum in an attempt to suppress optokinetic nystagmus (OKN). These slow eye movements of low amplitude were directed opposite to the moving optokinetic stimulus and, hence, were not ide...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00248564
更新日期：1987-01-01 00:00:00
abstract：:The present experiment was designed to test the hypothesis that fatigue-induced impairment in movement accuracy is caused by a decrease in muscle cocontraction rather than a reduced ability to produce muscular force. Seven participants performed fast and accurate elbow extensions aimed at a target, before and after a ...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-007-1264-x
更新日期：2008-02-01 00:00:00
abstract：:Immunohistochemical double staining for gonadotropin releasing hormone (GnRH) and tyrosine hydroxylase (TH) or glutamic acid decarboxylase (GAD) reveals in the septo-preoptic-diagonal band complex of the rat brain close spatial associations between GnRH-immunoreactive perikarya and TH and GAD immunoreactive fibers. In...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00238235
更新日期：1983-01-01 00:00:00
abstract：:Adequate cerebral perfusion is necessary to preserve cerebral O(2) supply in order to maintain brain cell function. Our aim was to assess the influence of gestational age on the response of cerebral hemodynamics to hypoxemia and to determine thresholds of cerebral O(2) supply for preservation of brain cell function in...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-003-1469-6
更新日期：2003-07-01 00:00:00
abstract：:It has been suggested that lagged and non-lagged cells in the cat dorsal lateral geniculate nucleus (LGN) represent state-dependent response modes of the same class of LGN cells. In two separate experiments with single-unit recording in the LGN of anaesthetized and paralysed adult cats, a lagged and a nonlagged X-cell...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF02259147
更新日期：1992-01-01 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
pub_type： 杂志文章
doi：10.1007/BF00238152
更新日期：1984-01-01 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
pub_type： 杂志文章
doi：10.1007/BF00239733
更新日期：1978-06-19 00:00:00
abstract：:To view different objects of interest, primates use fast, accurate eye movements called saccades. If saccades become inaccurate, the brain adjusts their amplitudes so they again land on target, a process known as saccade adaptation. The different types of saccades elicited in different behavioral circumstances appear ...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-009-2118-5
更新日期：2010-04-01 00:00:00
abstract：:Motor learning results from repeated exposure to the same movement and allows a mover to increase movement optimality. Typically, this has only been considered in single-step movements. In sequential movements, an initial reach movement is tailored to the demands of the onward movement. However, the exact role of moto...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-013-3728-5
更新日期：2014-01-01 00:00:00
abstract：:In cats anaesthetised with pentobarbitone, the effect of inhibitors of the in vitro cellular uptake of GABA were tested on the responses of single central neurones to GABA and other depressant amino acids. (4)- AND (-)-nepecotic acid, (4)-2,4-diaminobutyric acid (DABA) and 2,2-dimethyl-beta-alanine, enhanced the actio...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00241731
更新日期：1976-06-30 00:00:00
abstract：:The purpose of this study was to characterize finger interactions during radial/ulnar deviation, including interactions with flexion movements. Subjects performed single-finger and multi-finger maximal voluntary contraction (MVC), and maximal forces and various indices of interaction among the fingers were quantified....
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-006-0787-x
更新日期：2007-05-01 00:00:00
abstract：:To investigate the role of gravitational cues in the learning of a dynamic balancing task, we placed blindfolded subjects in a device programmed with inverted pendulum dynamics about the yaw axis. Subjects used a joystick to try and maintain a stable orientation at the direction of balance during 20 100 s-long trials....
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-018-5216-4
更新日期：2018-05-01 00:00:00
abstract：:Interactions from both inhibitory and excitatory interneurons are necessary components of cortical processing that contribute to the vast amount of motor actions executed by humans daily. As transcranial magnetic stimulation (TMS) over primary motor cortex is capable of activating corticospinal neurons trans-synaptica...
journal_title：Experimental brain research
pub_type： 杂志文章,评审
doi：10.1007/s00221-020-05875-y
更新日期：2020-08-01 00:00:00
abstract：:To address the hypothesis that Parkinson's disease (PD) patients have deficits in controlling acceleration, a drawing task was used in which target size, frequency, and weight of pen were manipulated. In accordance with previous results, it was found that, relative to controls, PD patients produced movements at the re...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-009-1925-z
更新日期：2009-08-01 00:00:00
abstract：:Rare-earth elements (REEs) are applied in various fields by virtue of their superior physical and chemical properties. Surveys have reported that REEs can impair learning and memory in children and induce neurobehavioral abnormalities in animals. However, the mechanism underlying this neurotoxicity is still unclear. L...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-017-5102-5
更新日期：2017-12-01 00:00:00
