Dopamine and somatostatin modulated adenylate cyclase activity in the rat caudate-putamen following unilateral cortical ablation.

abstract：:Microscopic illumination of two neighbouring photoreceptor cells within a single ommatidium induces a strong sequence-dependent response in a directionally selective, motion-sensitive neuron. The response is characterized by a strong facilitation in the preferred direction and a weaker inhibition in the reverse direct...

journal_title：Experimental brain research

authors： Riehle A,Franceschini N

更新日期：1984-01-01 00:00:00

abstract：:Precise left-hand movements take longer than right-hand movements (for right-handers). To quantify how left-hand movements are affected by task difficulty and phase of movement control, we manipulated the difficulty of repetitive speeded aiming movements while participants used the left or right hand. We observed left...

journal_title：Experimental brain research

authors： Vaughan J,Barany DA,Rios T

更新日期：2012-07-01 00:00:00

abstract：:Visual input has a profound effect on the development of binocular maps in the tectum of the frog Xenopus laevis. Input from the ipsilateral eye, which is relayed to the tectum via the opposite nucleus isthmi, is normally in register with the retinotectal map from the contralateral eye. However, if one eye is rotated ...

journal_title：Experimental brain research

authors： Udin SB

更新日期：1990-01-01 00:00:00

abstract：:Sinusoidal translation while rotating at constant angular velocity about a vertical axis (translation while rotating, TWR) produces centripetal and translational accelerations along the direction of translation and an orthogonal Coriolis acceleration due to the translation in the rotating frame. Thus, a Coriolis accel...

journal_title：Experimental brain research

authors： Maruta J,Simpson JI,Raphan T,Cohen B

更新日期：2005-06-01 00:00:00

abstract：:Hemi-seesaw nystagmus (hemi-SSN) is a jerk-waveform nystagmus with conjugate torsional and disjunctive vertical components. Halmagyi et al. in Brain 117(Pt 4):789-803 (1994), reported hemi-SSN in patients with unilateral lesions in the vicinity of the Interstitial Nucleus of Cajal (INC) and suggested that an imbalance...

journal_title：Experimental brain research

authors： Das VE,Leigh RJ,Swann M,Thurtell MJ

更新日期：2010-09-01 00:00:00

abstract：:The responses of 192 single units in the cat's pulvinar-complex, comprising the inferior, medial and lateral pulvinar nuclei, were studied in paralysed cats, lightly anaesthetized with N2O/O2 supplemented with pentobarbitone. About 60% of the cells were visually driven and their receptive fields classified as either d...

journal_title：Experimental brain research

authors： Mason R

更新日期：1978-01-18 00:00:00

abstract：:We compared set-related premotor cortex activity in two conditional motor tasks. In both tasks, a rhesus monkey moved its forelimb to one of two possible targets on the basis of visuospatial instruction stimuli. One target was located to the left of the limb's starting position, the other to the right. In the directio...

journal_title：Experimental brain research

authors： Kurata K,Wise SP

更新日期：1988-01-01 00:00:00

abstract：:Counts of callosal neurons retrogradely labeled by horseradish peroxidase (visualized using multiple substrates) were obtained in areas 17 and 18 of five kittens reared with their eyelids bilaterally sutured and of three kittens which had undergone bilateral enucleation on postnatal days 1--4. These counts were compar...

journal_title：Experimental brain research

authors： Innocenti GM,Frost DO

更新日期：1980-01-01 00:00:00

abstract：:Using a special tetrazolium salt technique, a striking correlation was observed between Na+ concentration of the incubation medium and the formation of formazan catalyzed by glutamate dehydrogenase (GDH) in glutamatergic neuropil areas of the hippocampal formation, cerebellum, and other brain regions. Na+ concentratio...

journal_title：Experimental brain research

authors： Wolf G,Schünzel G,Rothe F

更新日期：1986-01-01 00:00:00

abstract：:In healthy subjects, suprathreshold repetitive transcranial magnetic stimulation (rTMS) at frequencies >2 Hz prolongs the cortical silent period (CSP) over the course of the train. This progressive lengthening probably reflects temporal summation of the inhibitory interneurons in the stimulated primary motor cortex (M...

journal_title：Experimental brain research

authors： Cincotta M,Giovannelli F,Borgheresi A,Balestrieri F,Zaccara G,Inghilleri M,Berardelli A

更新日期：2006-06-01 00:00:00

abstract：:Studies undertaken in head-restrained animals have long implicated the omnipause neurons (OPNs) in the initiation of saccadic eye movements. These inhibitory neurons discharge tonically but cease firing just before and during saccades in all directions. By recording from OPNs in alert behaving head-unrestrained cats, ...

journal_title：Experimental brain research

authors： Paré M,Guitton D

更新日期：1990-01-01 00:00:00

abstract：:The brain noradrenaline (NA) system is known to modulate ischemic neuronal damage, and the turnover of NA has been suggested to increase in the early recovery period following cerebral ischemia. Using HPLC and gas chromatography-mass spectrometry we analyzed the tissue levels of NA and its metabolites, 3,4-dihydroxyph...

journal_title：Experimental brain research

authors： Gustafson I,Lidén A,Wieloch T

更新日期：1992-01-01 00:00:00

abstract：:According to the size principle for motoneurons one would expect that an excitatory stimulus given to a motoneuronal pool should evoke small excitatory postsynaptic potentials (EPSPs) in large and large EPSPs in small motoneurons of the pool. In this study this expectation was tested for the motoneuron pool of the fir...

journal_title：Experimental brain research

authors： Awiszus F,Feistner H

更新日期：1994-01-01 00:00:00

abstract：:The nature of spontaneous unitary activity of rat neocortex was investigated during slow wave sleep and urethane anaesthesia. Neurones in layer IV and V locations fired in a burst-pause pattern at a low burst repetition rate (0.5-4 per second) during both stage 3/4 sleep and urethane anaesthesia. Occasionally an alter...

journal_title：Experimental brain research

authors： Fox K,Armstrong-James M

更新日期：1986-01-01 00:00:00

abstract：:In order to navigate efficiently, animals can benefit from internal representations of their moment-to-moment orientation. Head-direction (HD) cells are neurons that discharge maximally when the head of a rat is oriented in a specific ("preferred") direction in the horizontal plane, independently from position or ongo...

journal_title：Experimental brain research

authors： Zugaro MB,Tabuchi E,Wiener SI

更新日期：2000-07-01 00:00:00

abstract：:The purpose of this study was to investigate the time-course of corticospinal excitability during reaction time (RT), and compare the excitability when a precue provided information regarding both the direction and extent of the upcoming movement ('Full' condition), specified the direction of the upcoming movement onl...

journal_title：Experimental brain research

authors： McMillan S,Nougier V,Byblow WD

更新日期：2004-05-01 00:00:00

abstract：:The present review examines the experimental evidence supporting the existence of central mechanisms able to modulate the synaptic effectiveness of sensory fibers ending in the spinal cord of vertebrates. The first section covers work on the mode of operation and the synaptic mechanisms of presynaptic inhibition, in p...

journal_title：Experimental brain research

authors： Rudomin P,Schmidt RF

更新日期：1999-11-01 00:00:00

abstract：:The activity of the rat hindlimb during treadmill stepping was studied in normal adult rats and in rats in which cerebellar development was interfered with by early-postnatal focal X-irradiation. Based on cinematographic and electromyographic data from over 100 step cycles in 15 normal rats, correlations were made bet...

journal_title：Experimental brain research

authors： Gruner JA,Altman J,Spivack N

更新日期：1980-01-01 00:00:00

abstract：:The position of the center of gravity (CG) is a reference value that is controlled by the nervous system during the performance of movements. In order to maintain equilibrium, leg movement is preceded by a shift of the CG towards the supporting side. This CG shift is initiated by an early displacement of the center of...

journal_title：Experimental brain research

authors： Mouchnino L,Mille ML,Cincera M,Bardot A,Delarque A,Pedotti A,Massion J

更新日期：1998-07-01 00:00:00

abstract：:Interval timing deficiencies in Parkinson's disease (PD) patients have been a matter of debate. Here we test the possibility of PD heterogeneity as a source for this discrepancy. Temporal performance of PD patients and control subjects was assessed during two interval tapping tasks and during a categorization task of ...

journal_title：Experimental brain research

authors： Merchant H,Luciana M,Hooper C,Majestic S,Tuite P

更新日期：2008-01-01 00:00:00

abstract：:Gamma oscillations of 30-70 Hz in local electroencephalograms (EEGs) were observed in primary visual cortex (V1) of monkeys when they viewed coloured stimuli under conditions which were not part of a training paradigm. No oscillatory modulations were detected in simultaneously recorded spike trains, although the latte...

journal_title：Experimental brain research

authors： Krüger J,Lamme VA,Bondar I

更新日期：2001-07-01 00:00:00

abstract：:The factors controlling neurogenesis and differentiation of olfactory receptor cells in adults are poorly understood, although it is often stated that these cells undergo continual turnover after a predetermined lifespan. An interesting model in which to study mechanisms which control olfactory receptor neurogenesis a...

journal_title：Experimental brain research

authors： Mackay-Sim A,Breipohl W,Kremer M

更新日期：1988-01-01 00:00:00

abstract：:Reports of spatial interactions between current and upcoming elements in a movement sequence could be due to intentional planning of a "global" action sequence (i.e., strategic effects), or to unintentional motor planning arising from merely paying attention to upcoming target objects (i.e., interference effects). The...

journal_title：Experimental brain research

authors： LeBlanc KA,Westwood DA

更新日期：2016-04-01 00:00:00

abstract：:Prior research has concluded that the correlations of isometric finger forces represent the extent to which the fingers are controlled as a single unit. If this is the case, finger force correlations should be consistent with estimates of the controlled (dynamical) degrees of freedom in finger forces. The present stud...

journal_title：Experimental brain research

authors： James EG

更新日期：2012-12-01 00:00:00

abstract：:The adaptation and habituation characteristics produced by the repeated presentation of a moving visual stimulus were studied in single cells in the pigeon's optic tectum. Units located near the surface in the stratum opticum showed little adaptation. However, cells located in deeper layers exhibited varying rates and...

journal_title：Experimental brain research

authors： Woods EJ,Frost BJ

更新日期：1977-03-30 00:00:00

abstract：:The flow of information in the sensorimotor cortex may determine how somatic information modulates motor cortex neuronal activity during voluntary movement. Electrophysiological recordings and neuroanatomical tracing techniques were used to study the connections between the primary somatosensory cortex (SI) and the vi...

journal_title：Experimental brain research

authors： Izraeli R,Porter LL

更新日期：1995-01-01 00:00:00

abstract：:This investigation represents a first study dealing with the dimorphic differences of the main alpha-containing gamma-aminobutyric acid (GABA(A)) receptors in the brain of two distantly related mammals (hedgehog and rat). The labeling of these receptors in the presence of zolpidem (highly selective benzodiazepine agon...

journal_title：Experimental brain research

authors： Facciolo RM,Alo' R,Tavolaro R,Canonaco M,Franzoni MF

更新日期：2000-02-01 00:00:00

abstract：:When reaches are performed toward target objects, the presence of other non-target objects influences kinematic parameters of the reach. A typical observation has been that non-targets positioned ipsilaterally to the acting limb interfere more with the trajectory of the hand than contralateral non-targets. Here, we in...

journal_title：Experimental brain research

authors： Menger R,Van der Stigchel S,Dijkerman HC

更新日期：2013-09-01 00:00:00

abstract：:Recently, Kounios J, Frymiare JL, Bowden EM, Fleck JI, Subramaniam K, Parrish TB et al. (2006) found that the mental preparation leading to insight involves heightened activity in medial frontal areas and temporal areas. In the present study, the electrophysiological correlates of successful and unsuccessful Chinese l...

journal_title：Experimental brain research

authors： Qiu J,Li H,Jou J,Wu Z,Zhang Q

更新日期：2008-04-01 00:00:00

abstract：:Parkinsonian rigidity is characterized by an increased resistance of a joint to externally imposed motion that remains uniform with changing joint angle. Two candidate mechanisms are proposed for the uniformity of rigidity, involving neural-mediated excitation of shortening muscles, i.e., shortening reaction (SR), or ...

journal_title：Experimental brain research

authors： Xia R,Powell D,Rymer WZ,Hanson N,Fang X,Threlkeld AJ

更新日期：2011-04-01 00:00:00