Firing properties of respiratory rhythm generating neurons in the absence of synaptic transmission in rat medulla in vitro.

abstract：:The differential distribution of glutamate (Glu), aspartate (Asp), glycine (Gly), gamma-aminobutyric acid (GABA) and taurine (Tau) was investigated in the cat's perihypoglossal nuclei. Serial semi-thin (0.5 micron) sections through the perihypoglossal nuclei were incubated with antisera raised against the mentioned am...

journal_title：Experimental brain research

authors： Yingcharoen K,Rinvik E,Storm-Mathisen J,Ottersen OP

更新日期：1989-01-01 00:00:00

abstract：:The aim of this study was to examine coherence between surface electromyographic (EMG) signals from two index finger flexor muscles, the first dorsal interosseous (FDI) and flexor digitorum superficialis (FDS), during and immediately following sustained, fatiguing isometric contraction. Coherence was observed between ...

journal_title：Experimental brain research

authors： Kattla S,Lowery MM

更新日期：2010-04-01 00:00:00

abstract：:We employed binocular magnetic search coils to study the vestibulo-ocular reflex (VOR) and visually enhanced vestibulo-ocular reflex (VVOR) of 15 human subjects undergoing passive, whole-body rotations about a vertical (yaw) axis delivered as a series of pseudorandom transients and sinusoidal oscillations at frequenci...

journal_title：Experimental brain research

authors： Crane BT,Viirre ES,Demer JL

更新日期：1997-04-01 00:00:00

abstract：:Modern tools in technological environments are often characterized by a spatial separation of hand actions (operating a remote control) and their intended action effects (displayed movements of an unmanned vehicle, a robot, or an avatar on a screen). Often non-corresponding proximal and distal movement effects put hig...

journal_title：Experimental brain research

authors： Sutter C,Ladwig S

更新日期：2012-04-01 00:00:00

abstract：:The dorsal and ventral streams model of action and perception suggests that reaching to grasp a tool for use involves integrated operation of the two streams. Few attempts have been made to test the limits of this integration in normal subjects. Twenty normal subjects reached for tools or geometric objects which were ...

journal_title：Experimental brain research

authors： Sunderland A

更新日期：2013-06-01 00:00:00

abstract：:We examined the influence of passive restraint on postural activity and motion sickness in individuals who actively controlled a potentially nauseogenic visual motion stimulus (a driving video game). Twenty-four adults (20.09 ± 1.56 years; 167.80 ± 7.94 cm; 59.02 ± 9.18 kg) were recruited as participants. Using elasti...

journal_title：Experimental brain research

authors： Chang CH,Pan WW,Chen FC,Stoffregen TA

更新日期：2013-08-01 00:00:00

abstract：:The cortical projections to neck muscle motoneurons were studied in normal subjects by electrical and magnetic transcranial brain stimulation. After magnetic stimulation with a large coil, motor evoked potentials were present in about 20% of relaxed and 100% of contracting neck muscles. The latency of these responses ...

journal_title：Experimental brain research

authors： Berardelli A,Priori A,Inghilleri M,Cruccu G,Mercuri B,Manfredi M

更新日期：1991-01-01 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：:In this study, we investigated the neural basis of virtual time to contact (VTC) and the hypothesis that VTC provides predictive information for future postural instability. A novel approach to differentiate stable pre-falling and transition-to-instability stages within a single postural trial while a subject was perf...

journal_title：Experimental brain research

authors： Slobounov S,Cao C,Jaiswal N,Newell KM

更新日期：2009-10-01 00:00:00

abstract：:Previous research has shown that the timing of a sensor-motor event is recalibrated after a brief exposure to a delayed feedback of a voluntary action (Stetson et al. 2006). Here, we examined whether it is the sensory or motor event that is shifted in time. We compared lag adaption for action-feedback in visuo-motor p...

journal_title：Experimental brain research

authors： Sugano Y,Keetels M,Vroomen J

更新日期：2010-03-01 00:00:00

abstract：:The stronger anatomo-functional connections of the supplementary motor area (SMA), as compared with premotor area (PM), with regions of the limbic system, suggest that SMA could play a role in the control of movements triggered by visual stimuli with emotional content. We addressed this issue by analysing the modifica...

journal_title：Experimental brain research

authors： Oliveri M,Babiloni C,Filippi MM,Caltagirone C,Babiloni F,Cicinelli P,Traversa R,Palmieri MG,Rossini PM

更新日期：2003-03-01 00:00:00

abstract：:Dispersed brain cells from 12-14 day old mouse embryos were loaded with the Ca2+-sensitive fluorescent probe, quin2 and shown to have a resting intracellular Ca2+ concentration ([Ca2+]i) of 158 nM (SE +/- 5) in the presence of 1 mM [Ca2+]o. When external [Ca2+] was raised from 0 to 1 mM there was an increase of [Ca2+]...

journal_title：Experimental brain research

authors： Morris ME,Friedlich JJ,MacDonald JF

更新日期：1987-01-01 00:00:00

abstract：:Information about the direction of the virtual line between two positions in space (directional information) is used in many decision-making and motor tasks. We investigated how accurately directional information is processed by the brain. Subjects performed two types of task. In both tasks they sat at a table. In the...

journal_title：Experimental brain research

authors： de Graaf JB,Sittig AC,Denier van der Gon JJ

更新日期：1991-01-01 00:00:00

abstract：:The vestibulo-ocular reflex (VOR) was intermittently suppressed by fixating a head-fixed target (light on: 9 s; darkness: 2 s) during whole-body (60-100 deg/s peak; 0.01-0.17 Hz) sinusoidal and triangular oscillation about the vertical axis for about 2 min. Eye movements associated with intervals of darkness at differ...

journal_title：Experimental brain research

authors： Segal BN

更新日期：1985-01-01 00:00:00

abstract：:Pontine omnipause neurons (OPNs) have so far been considered as forming a homogeneous group of neurons whose tonic firing stops during the duration of saccades, when the head is immobilized. In cats, they pause for the total duration of gaze shifts, when the head is free to move. In the present study, carried out on a...

journal_title：Experimental brain research

authors： Petit J,Klam F,Grantyn A,Berthoz A

更新日期：1999-04-01 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：:Perceived postural stability has been reported to decrease as sway area increases on firm surfaces. However, changes in perceived stability under increasingly challenging conditions (e.g., removal of sensory inputs) and the relationship with sway area are not well characterized. Moreover, whether perceived stability v...

journal_title：Experimental brain research

authors： Anson E,Studenski S,Sparto PJ,Agrawal Y

更新日期：2019-03-01 00:00:00

abstract：:The purpose of this study was to establish whether visual motion parallax participates in the control of postural sway. Body sway was measured in ten normal subjects by photoelectric recordings of head movements and by force-plate posturography. Subjects viewed a visual display ("background"), which briefly moved (2 s...

journal_title：Experimental brain research

authors： Bronstein AM,Buckwell D

更新日期：1997-02-01 00:00:00

abstract：:The memory for the final position of a moving object which suddenly disappears has been found to be displaced forward, in the direction of motion, and downwards, in the direction of gravity. These phenomena were coined, respectively, Representational Momentum and Representational Gravity. Although both these and simil...

journal_title：Experimental brain research

authors： De Sá Teixeira NA

更新日期：2016-09-01 00:00:00

abstract：:A recent study from this laboratory has shown that brief transient ischemia (2 min 30 s) in normo- and hyperglycemic rats leads to moderate neuronal necrosis in CA1 cells of the hippocampus, of equal density in the two groups. However, hyperglycemic animals failed to depolarize during the ischemia, nor did they show a...

journal_title：Experimental brain research

authors： Folbergrová J,Li PA,Uchino H,Smith ML,Siesjö BK

更新日期：1997-03-01 00:00:00

abstract：:Path integration studies in humans show that we have the ability to accurately reproduce our path in the absence of visual information. It has been suggested that this ability is supported by acceleration signals, as transduced by the otolith organs, which may then be integrated twice to produce path excursion. Vestib...

journal_title：Experimental brain research

authors： Seidman SH

更新日期：2008-01-01 00:00:00

abstract：:A magnetic stimulus applied to the human scalp over the motor cortex causes a short latency contraction of contralateral limb muscles. This is presumed to result from the indirect excitation of corticospinal neurons with monosynaptic connections to motoneurons. The excitability of these cortical neurons can be estimat...

journal_title：Experimental brain research

authors： Brouwer B,Ashby P,Midroni G

更新日期：1989-01-01 00:00:00

abstract：:The aim of the study was to define the spike threshold changes in motoneurons during naturally evoked activation. Spike activity was evoked in the gastrocnemius-soleus motoneurons of decerebrate cats by controlled stretches of the homonymous muscles. The spike thresholds were defined by using the first derivative of t...

journal_title：Experimental brain research

authors： Kostyukov AI,Lytvynenko SV,Bulgakova NV,Gorkovenko AV

更新日期：2010-06-01 00:00:00

abstract：:It is known that attending to a cutaneous stimulus briefly increases its subjective intensity. The purpose of the present study was to determine whether an extended period of attention would produce a longer-lasting perceptual amplification. Eighty subjects were assigned alternately to experimental and control groups....

journal_title：Experimental brain research

authors： Hollins M,Athans L

更新日期：2020-11-05 00:00:00

abstract：:Extracellular recordings were made from single on-center optic tract fibres in cats. Light spots of 10sec duration were focussed on the center of the receptive field under 1cd/m2 adaptation luminance by diffuse light. In the maintained discharges at 1 cd/m2, the shape of inter-spike interval histograms (IH) tended to ...

journal_title：Experimental brain research

authors： Sato T,Yamamoto M,Nakahama H

更新日期：1976-01-26 00:00:00

abstract：:Humans use a specific steering synergy, where the eyes and head lead rotation to the new direction, when executing a turn or change in direction. Increasing evidence suggests that eye movement is critical for turning control and that when the eyes are constrained, or participants have difficulties making eye movements...

journal_title：Experimental brain research

authors： Pradeep Ambati VN,Murray NG,Saucedo F,Powell DW,Reed-Jones RJ

更新日期：2013-05-01 00:00:00

abstract：:Integration of tactile afferent signals with motor commands is crucial for the performance of purposeful movements such as during manipulation of an object in the hand. To study the somatotopic organization of sensorimotor integration we applied electrical peripheral conditioning stimuli to a digit located near (homot...

journal_title：Experimental brain research

authors： Classen J,Steinfelder B,Liepert J,Stefan K,Celnik P,Cohen LG,Hess A,Kunesch E,Chen R,Benecke R,Hallett M

更新日期：2000-01-01 00:00:00

abstract：:In a previous study, we found that haptic guidance from a robotic steering wheel can improve short-term learning of steering of a simulated vehicle, in contrast to several studies of other tasks that had found that the guidance either impairs or does not aid motor learning. In this study, we examined whether haptic gu...

journal_title：Experimental brain research

authors： Marchal-Crespo L,McHughen S,Cramer SC,Reinkensmeyer DJ

更新日期：2010-03-01 00:00:00

abstract：:When grasping an object, our gaze marks key positions to which the fingertips are directed. In contrast, eye fixations during perceptual tasks are typically concentrated on an object's centre of mass (COM). However, previous studies have typically required subjects to either grasp the object at predetermined sites or ...

journal_title：Experimental brain research

authors： Desanghere L,Marotta JJ

更新日期：2011-07-01 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