Neuronal pathways from low-threshold hindlimb cutaneous afferents to motoneurons innervating trunk muscles in low-spinal cats.

abstract：:Horizontal DC-electrooculograms were recorded in subjects rotating on a horizontal turntable sinusoidally at 0.1 Hz and 35 to 40 degrees amplitude. The subjects either fixated a stroboscopically illuminated vertically striped pattern (1.15 to 3.45 degrees period) rotating with the turntable or initiated Sigma-OKN befo...

journal_title：Experimental brain research

authors： Curio G,Grüsser OJ

更新日期：1985-01-01 00:00:00

abstract：:Given the number of muscles and joints of the arm, more ways are available to produce an identical hand movement when pointing to a target than are strictly necessary. How the nervous system manages these abundant degrees of freedom was the focus of this study of pointing to targets of low and high indices of difficul...

journal_title：Experimental brain research

authors： Tseng YW,Scholz JP,Schöner G,Hotchkiss L

更新日期：2003-04-01 00:00:00

abstract：:We investigated the effect of correlation in background noise on the ability of participants to detect a kinaesthetic target on the index fingers of their hands. Participants had to judge whether the target (a smoothed ramp with quarter-sine onset and offset), was on the left or right finger (experiments 1 and 2). The...

journal_title：Experimental brain research

authors： Roberts RD,Humphreys GW,Wing AM

更新日期：2005-08-01 00:00:00

abstract：:A previous computer simulation study of overarm throws in 2D showed that reversal of elbow torque by antagonist muscle action late in the throw led to increased wrist flexion velocity and to increased ball speeds. We tested the hypothesis that the skill of making fast overarm throws in 3D involves deceleration (brakin...

journal_title：Experimental brain research

authors： Hore J,Debicki DB,Watts S

更新日期：2005-07-01 00:00:00

abstract：:Simultaneous recordings of action potentials (APs) of multiple single motor units (MUs) were obtained in brachialis and biceps (caput breve) muscles during sinusoidally modulated isometric contractions of elbow flexor muscles and during sinusoidal flexion/extension movements in the elbow against a preload in the exten...

journal_title：Experimental brain research

authors： van Bolhuis BM,Medendorp WP,Gielen CC

更新日期：1997-10-01 00:00:00

abstract：:We recently argued that the specific compensation of spatial neglect by manipulating neck proprioceptive and vestibular input is due to a central "correction" of the disturbed neural transformation process converting the afferent input coordinates from the peripheral sensory organs into a central representation of ego...

journal_title：Experimental brain research

authors： Karnath HO,Fetter M,Dichgans J

更新日期：1996-05-01 00:00:00

abstract：:It is an important issue to address the mode of information processing in the somatic motor circuit linking the frontal cortex and the basal ganglia. In the present study, we investigated the extent to which corticostriatal input zones from the primary motor cortex (MI), the supplementary motor area (SMA), and the pre...

journal_title：Experimental brain research

authors： Takada M,Tokuno H,Nambu A,Inase M

更新日期：1998-05-01 00:00:00

abstract：:In order to assess the effects of [K+]o on the passive membrane properties of neostriatal neurons, the cable properties of these cells were determined at two extracellular potassium concentrations (6.25 and 3.0 mM). The effect of tetraethylammonium (TEA) on cable properties was also studied at 6.25 [K+]o. At 6.25 mM [...

journal_title：Experimental brain research

authors： Bargas J,Galarraga E,Aceves J

更新日期：1988-01-01 00:00:00

abstract：:Observations of neurons in dorsal horn laminae IV-VI of the lumbosacral segments of Golgi-stained spinal cords in kittens and adult cats revealed laminar differences in dendritic architecture. Many neurons in lamina IV had dense, bushy dendritic fields. Lamina V contained, in addition to bushy cells similar in appeara...

journal_title：Experimental brain research

authors： Proshansky E,Egger MD

更新日期：1977-05-23 00:00:00

abstract：:We examined modulation of transmission in short-latency, distal hindlimb cutaneous reflex pathways during fictive locomotion in 19 decerebrate cats. Fictive stepping was produced either by electrical stimulation of the mesencephalic locomotor region (MLR) or by administration of Nialamide and 1-DOPA to acutely spinali...

journal_title：Experimental brain research

authors： Schmidt BJ,Meyers DE,Tokuriki M,Burke RE

更新日期：1989-01-01 00:00:00

abstract：:Local alpha-band synchronization has been associated with both cortical idling and active inhibition. Recent evidence, however, suggests that long-range alpha synchronization increases functional coupling between cortical regions. We demonstrate increased long-range alpha and beta band phase synchronization during sho...

journal_title：Experimental brain research

authors： Doesburg SM,Herdman AT,Ribary U,Cheung T,Moiseev A,Weinberg H,Liotti M,Weeks D,Grunau RE

更新日期：2010-04-01 00:00:00

abstract：:It is well known that visual expectation and attention modulate object perception. Yet, the mechanisms underlying these top-down influences are not completely understood. Event-related potentials (ERPs) indicate late contributions of expectations to object processing around the P2 or N2. This is true independent of wh...

journal_title：Experimental brain research

authors： Stojanoski BB,Niemeier M

更新日期：2015-10-01 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：:Subjects exposed to a rotating environment that perturbs their postural sway show adaptive changes in their voluntary spatially directed postural motion to restore accurate movement paths but do not exhibit any obvious learning during passive stance. We have found, however, that a variable known to characterize the de...

journal_title：Experimental brain research

authors： Bakshi A,DiZio P,Lackner JR

更新日期：2014-04-01 00:00:00

abstract：:In rat barrel cortex, evoked potentials (EPs) to vibrissa stimulation can be divided into two distinct classes according to the relative contribution of their principal components. Our experiments support the notion that these components can be attributed to activation of two pyramidal cell populations: supra- and inf...

journal_title：Experimental brain research

authors： Wróbel A,Kublik E,Musial P

更新日期：1998-11-01 00:00:00

abstract：:Single cell activity was recorded in area 18 during optokinetic nystagmus (OKN) in awake cats. The search coil technique was used to record the horizontal and vertical eye movements. Cells showing direction specific responses to a moving large area random dot pattern (70%) were tested with different velocities in the ...

journal_title：Experimental brain research

authors： Hoffmann KP,Bauer R,Huber HP,Mayr M

更新日期：1984-01-01 00:00:00

abstract：:Saccades are known to influence subsequent arm movements. There is less information to suggest that the characteristics of saccades depend on the reaching movements they accompany. To explore this issue, we studied the systematic errors of saccades generated by two adult female Rhesus monkeys (Macaca Mulata), which we...

journal_title：Experimental brain research

authors： Kattoulas E,Smyrnis N,Mantas A,Evdokimidis I,Raos V,Moschovakis A

更新日期：2008-08-01 00:00:00

abstract：:We describe the simple-spike activity of Purkinje cells (P cells) in the ventral paraflocculus (VPFL) of behaving monkeys in association with movements of the visual scene that evoke short-latency ocular following responses. One group of P cells discharged maximally for downward motion, and the other for motion toward...

journal_title：Experimental brain research

authors： Shidara M,Kawano K

更新日期：1993-01-01 00:00:00

abstract：:The purpose of this study was to determine if recovery of neurologically impaired hand function following isolated motor cortex injury would occur without constraint of the non-impaired limb, and without daily forced use of the impaired limb. Nine monkeys (Macaca mulatta) received neurosurgical lesions of various exte...

journal_title：Experimental brain research

authors： Darling WG,Pizzimenti MA,Rotella DL,Hynes SM,Ge J,Stilwell-Morecraft KS,Vanadurongvan T,McNeal DW,Solon-Cline KM,Morecraft RJ

更新日期：2010-05-01 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：:In the present study the neurotoxic effects of a low dosage (0.5 mg/kg per day) of methylmercury (MeHg) on the developing nervous system were investigated. Pregnant rats were treated with MeHg from day 7 of pregnancy to day 7 of lactation. Locomotor activity (locomotion, rearing, and motility) and spatial learning abi...

journal_title：Experimental brain research

authors： Rossi AD,Ahlbom E,Ogren SO,Nicotera P,Ceccatelli S

更新日期：1997-12-01 00:00:00

abstract：:Efferents originating from the rat medial prefrontal cortex and projecting to diencephalic and mesencephalic structures were analyzed electrophysiologically. The antidromic activation technique was used in order to identify cortical neurons which innervate the medio-dorsal nucleus of the thalamus (MD), lateral habenul...

journal_title：Experimental brain research

authors： Thierry AM,Chevalier G,Ferron A,Glowinski J

更新日期：1983-01-01 00:00:00

abstract：:Rhythmic movement patterns between the hands in response to environmental signals are studied in normal (musicians and nonmusicians) and split-brain subjects. Only two phase-locked states - in-phase and anti-phase - are shown to be stable for all subjects. Split-brain subjects show an even greater attraction to these ...

journal_title：Experimental brain research

authors： Tuller B,Kelso JA

更新日期：1989-01-01 00:00:00

abstract：:Olfaction is unique among the senses in that signals from the peripheral sensory receptors bypass the thalamus on their way to the cortex. The fact that olfactory stimuli are not gated by the thalamus has led some researchers to suggest that people may be unable to selectively direct their attention toward the olfacto...

journal_title：Experimental brain research

authors： Spence C,McGlone FP,Kettenmann B,Kobal G

更新日期：2001-06-01 00:00:00

abstract：:The present study was performed to explore the antinociceptive effects of the galanin receptor 1 agonist M617 in lateral habenula complex in rats. Intra-lateral habenula injection of 0.1, 0.5, 1 or 2 nmol of galanin induced dose-dependent increases in hindpaw withdrawal latencies (HWLs) to noxious thermal and mechanic...

journal_title：Experimental brain research

authors： Fu LB,Wang Y,Sun XX,Liu XX,Wang Y,Zhuang W

更新日期：2016-02-01 00:00:00

abstract：:Correlations between pairs of spontaneous climbing fiber responses (CFRs) recorded from couples of nearby Purkinje cells (PCs) were studied in immature rats by using cross-correlograms between CFR pairs, and compaired to those in adult animals. Correlations were found as early as day 3. Some days later, on PN days 7--...

journal_title：Experimental brain research

authors： Dupont JL,Crepel F

更新日期：1979-01-01 00:00:00

abstract：:Many neurons in the deeper layers of the superior colliculus (SC) respond to multiple sensory inputs--visual, auditory, and somatic--as well as provide signals essential for saccadic eye movements to targets in different modalities. When the eyes and pinnae are in primary position, the neural map of auditory space is ...

journal_title：Experimental brain research

authors： Peck CK,Baro JA,Warder SM

更新日期：1995-01-01 00:00:00

abstract：:Pieces of the developing cerebellar anlage were prepared from 13-15 day old rat embryos and transplanted to the cerebellar region of 5-7 and 13-14 day old rat pups. Approximately two months later, sections showed most grafts to consist of both cerebellar cortex, with a typical trilaminar organization, and white matter...

journal_title：Experimental brain research

authors： Björklund H,Bickford P,Dahl D,Hoffer B,Olson L

更新日期：1984-01-01 00:00:00

abstract：:While we walk through the environment, we constantly receive inputs from different sensory systems. For us to accomplish a given task, for example to reach a target location, the sensory information has to be integrated to update our knowledge of self-position and self-orientation with respect to the target so that we...

journal_title：Experimental brain research

authors： Glasauer S,Amorim MA,Viaud-Delmon I,Berthoz A

更新日期：2002-08-01 00:00:00

abstract：:Electrical activity of neurons in rat hypothalamic ventromedial nucleus was recorded in tissue slices, to investigate central neural mechanisms underlying reduction of food intake caused by TRH and its metabolite, cyclo(His-Pro) [cHP]. Application of TRH had two actions: stimulation of neuronal activity, which was des...

journal_title：Experimental brain research

authors： Kow LM,Pfaff DW

更新日期：1987-01-01 00:00:00