Spatial frequency properties in area 18 during inactivation of area 17 in cats.

abstract：:Cerebral palsy (CP) is a group of non-progressive developmental movement disorders inducing a strong brain reorganization in primary and secondary motor areas. Nevertheless, few studies have been dedicated to quantify brain pattern changes and correlate them with motor characteristics in CP children. In this context, ...

journal_title：Experimental brain research

authors： Inuggi A,Bassolino M,Tacchino C,Pippo V,Bergamaschi V,Campus C,De Franchis V,Pozzo T,Moretti P

更新日期：2018-02-01 00:00:00

abstract：:In dystonia, both sensory malfunctioning and an abnormal intermuscular low-frequency drive of 3-7 Hz have been found, although cause and effect are unknown. It is hypothesized that sensory processing is primarily disturbed and induces this drive. Accordingly, experimenter-controlled sensory input should be able to inf...

journal_title：Experimental brain research

authors： van der Meer JN,Schouten AC,Bour LJ,de Vlugt E,van Rootselaar AF,van der Helm FC,Tijssen MA

更新日期：2010-05-01 00:00:00

abstract：:The objective of this study was to investigate interhemispheric transcallosal connections between primary motor cortices noninvasively in awake human subjects. For this purpose, focal transcranial magnetic stimulation was performed on eight healthy, right-handed subjects and one patient with congenital collosal agenes...

journal_title：Experimental brain research

authors： Schnitzler A,Kessler KR,Benecke R

更新日期：1996-12-01 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：:Many activities of daily living involve multi-digit, voluntary rotational manipulations of grasped objects. Yet, only a few studies have focused on coordination of individual fingertip forces during such tasks. The objective of this study was to investigate individual digit contributions to a three-digit task in which...

journal_title：Experimental brain research

authors： Manis RP,Santos VJ

更新日期：2015-07-01 00:00:00

abstract：:The present study used a force-matching task to measure how accurately subjects could match a force using different muscle groups. Forces ranging in magnitude from 2 to 10 N were produced and matched by three muscle groups: the elbow flexors, the forearm and hand muscles involved in the palmar prehensile grasp, and th...

journal_title：Experimental brain research

authors： Jones LA

更新日期：2003-07-01 00:00:00

abstract：:5-Hydroxytryptamine (5-HT) has the most diverse set of receptors in comparison with any other neurotransmitter or hormone in the body. To date, seven families of 5-HT receptors have been characterized. A great number of studies have been published regarding the role of 5-HT and its receptors in seizures. However, with...

journal_title：Experimental brain research

authors： Gharedaghi MH,Seyedabadi M,Ghia JE,Dehpour AR,Rahimian R

更新日期：2014-02-01 00:00:00

abstract：:The main belly of the macaque's flexor digitorum profundus (FDP) is divided by a dissectible plane into radial and ulnar regions. The present report describes three findings which suggest that the radial and ulnar regions represent separate functional subdivisions of the FDP. First, electromyographic (EMG) recordings ...

journal_title：Experimental brain research

authors： Schieber MH

更新日期：1993-01-01 00:00:00

abstract：:Previous work in our laboratory has demonstrated that binocular vision makes an important contribution to skilled reaching and grasping movements directed at static targets. In the present study we examine the contribution of binocular vision to interceptive reaching movements. We monitored such movements using a high...

journal_title：Experimental brain research

authors： Servos P,Goodale MA

更新日期：1998-03-01 00:00:00

abstract：:Studies on grasp control underlying manual dexterity in people with Parkinson disease (PD) suggest that anticipatory grasp control is mainly unaffected during discrete tasks using simple two-digit grasp. Nevertheless, impaired hand function during daily activities is one of the most disabling symptoms of PD. As many d...

journal_title：Experimental brain research

authors： Albert F,Diermayr G,McIsaac TL,Gordon AM

更新日期：2010-05-01 00:00:00

abstract：:Saccade kinematics are altered by ongoing head movements. The hypothesis that a head movement command signal, proportional to head velocity, transiently reduces the gain of the saccadic burst generator (Freedman 2001, Biol Cybern 84:453-462) can account for this observation. Using electrical stimulation of the rhesus ...

journal_title：Experimental brain research

authors： Freedman EG,Quessy S

更新日期：2004-06-01 00:00:00

abstract：:The effects of electrical stimulation within the midbrain on fusimotor output to the jaw elevator muscles were studied in anaesthetized cats. Muscle spindle afferents recorded in the mesencephalic trigeminal nucleus were categorised as primary or secondary by their responses to succinylcholine during sinusoidal or ram...

journal_title：Experimental brain research

authors： Taylor A,Donga R,Jüch PJ

更新日期：1993-01-01 00:00:00

abstract：:When the visual background is moving while subject fixate a visual target, optokinetic eye movements (OKN) are suppressed and the after response, called optokinetic after nystagmus (OKAN), occurring at the stimuli offset is often inverted as compared to the situation when the OKN movements are allowed. In this study, ...

journal_title：Experimental brain research

authors： Ventre-Dominey J,Luyat M

更新日期：2009-02-01 00:00:00

abstract：:Descending control is critically important for the generation of locomotor activities. Yet, our understanding of the descending control system of locomotion is limited. We hypothesized that stimulation of the ventrolateral funiculus (VLF) induces rhythmic activity in lumbar neurons that is correlated with locomotor-li...

journal_title：Experimental brain research

authors： Cheng J,Magnuson DS

更新日期：2011-09-01 00:00:00

abstract：:Many vertebrates generate blinks as a component of saccadic gaze shifts. We investigated the nature of this linkage between saccades and blinking in normal humans. Activation of the orbicularis oculi, the lid closing muscle, EMG occurred with 97% of saccadic gaze shifts larger than 33 degrees. The blinks typically beg...

journal_title：Experimental brain research

authors： Evinger C,Manning KA,Pellegrini JJ,Basso MA,Powers AS,Sibony PA

更新日期：1994-01-01 00:00:00

abstract：:Vigilance is the ability to sustain attention to information for prolonged periods of time, particularly in environments where critical signals may be rare. Recent research in the domain of mind-wandering has suggested that processes associated with mind-wandering may underpin the typical decline in vigilance task per...

journal_title：Experimental brain research

authors： Neigel AR,Claypoole VL,Fraulini NW,Waldfogle GE,Szalma JL

更新日期：2019-02-01 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：:The spatial separation of the eyes in animals with overlapping visual fields means that parts of a three dimensional object project to slightly disparate retinal points in each eye. This disparity, once interpreted by the brain, is thought to be a sufficient condition for stereoperception. In the present experiment, s...

journal_title：Experimental brain research

authors： Lepore F,Ptito M,Lassonde M

更新日期：1986-01-01 00:00:00

abstract：:Activation of glial cells has been proposed to contribute to neuronal dysfunction and neuronal cell death in Alzheimer's disease. In this study, we attempt to determine some of the effects of secreted factors from activated murine N-11 microglia on viability and morphology of neurons using the differentiated neuroblas...

journal_title：Experimental brain research

authors： Münch G,Gasic-Milenkovic J,Dukic-Stefanovic S,Kuhla B,Heinrich K,Riederer P,Huttunen HJ,Founds H,Sajithlal G

更新日期：2003-05-01 00:00:00

abstract：:We investigated whether the control of movement of the left hand is more likely to involve the use of allocentric information than movements performed with the right hand. Previous studies (Gonzalez et al. in J Neurophys 95:3496-3501, 2006; De Grave et al. in Exp Br Res 193:421-427, 2009) have reported contradictory f...

journal_title：Experimental brain research

authors： van der Kamp J,de Wit MM,Masters RS

更新日期：2012-04-01 00:00:00

abstract：:This kinematic study aimed to determine whether color is a stimulus property involved in the control of reaching-grasping movements. Subjects reached and grasped a target-object, located either on the right or on the left of the subject's midline. A distractor, placed along the subject's midline, could be randomly pre...

journal_title：Experimental brain research

authors： Gentilucci M,Benuzzi F,Bertolani L,Gangitano M

更新日期：2001-03-01 00:00:00

abstract：:The efficacy of inhibitory and excitatory intracortical circuits acting on the representation of an intrinsic hand muscle in the primary motor cortex of both hemispheres was measured with paired transcranial magnetic stimuli in right-handed subjects. Both intracortical inhibition (measured with an interstimulus interv...

journal_title：Experimental brain research

authors： Hammond G,Faulkner D,Byrnes M,Mastaglia F,Thickbroom G

更新日期：2004-03-01 00:00:00

abstract：:The effect of histamine administered via the common carotid artery on the transport processes of brain capillaries was investigated in rats. The fine structure of endothelial cells and the glial end-feet system was studied by electron microscopy and the serum albumin was visualized for light microscopy by the peroxida...

journal_title：Experimental brain research

authors： Dux E,Joó F

更新日期：1982-01-01 00:00:00

abstract：:The moment production by several fingers on a mechanically fixed vertically oriented handle was studied under the systematic variations of task parameters such as (a) moment magnitude (1.0 Nm and 2.0 Nm) and (b) direction of moment production (into pronation and supination), as well as (c) vertical position of the han...

journal_title：Experimental brain research

authors： Shim JK,Latash ML,Zatsiorsky VM

更新日期：2004-08-01 00:00:00

abstract：:The relations among spatial memory, Stroop-like colour-word subtests, and errors on antisaccade and memory-guided saccadic eye-movement trials for older and younger adults were tested. Two types of errors in the antisaccade task were identified: short latency prosaccade errors that were immediately corrected and longe...

journal_title：Experimental brain research

authors： Bowling AC,Hindman EA,Donnelly JF

更新日期：2012-01-01 00:00:00

abstract：:The Ca++ -dependence of the repetitive firing of neostriatal neurons was studied in an in vitro slice preparation of the rat neostriatum. Neuronal firing was evoked by injecting depolarizing currents of 100-200 ms duration. In normal conditions, the mode of firing was tonic and showed very little adaptation. The frequ...

journal_title：Experimental brain research

authors： Galarraga E,Bargas J,Sierra A,Aceves J

更新日期：1989-01-01 00:00:00

abstract：:Visual judgment of small numerosities (<4) is generally assumed to be done through subitizing, which is a faster process than counting. Subitizing has also been shown to occur in haptic judgment of the number of spheres in the hand. Furthermore, interactions have been shown to exist between visually perceived numbers ...

journal_title：Experimental brain research

authors： Plaisier MA,Tiest WM,Kappers AM

更新日期：2010-04-01 00:00:00

abstract：:This study addressed the anticonvulsant effects of repeated administration of phenytoin, carbamazepine, phenobarbital, valproate, and ethosuximide in kindled guinea-pigs in order to further substantiate this novel model of partial seizures for the screening of future anticonvulsant drugs. Behavioral toxic effects were...

journal_title：Experimental brain research

authors： Gilbert TH,Teskey GC

更新日期：2007-03-01 00:00:00

abstract：:In order to find out whether human vergence eye movements are influenced by simultaneous hand tracking movements, vergence was studied when sinusoidal (expressed in vergence angles) target movements were tracked. The target motion was externally generated and the target actually moved in depth. Tracking was done by th...

journal_title：Experimental brain research

authors： Koken PW,Erkelens CJ

更新日期：1993-01-01 00:00:00

abstract：:The effect of the intermittency of visual information in the bimanual coordination of an isometric force coordination task was investigated as a function of criterion force level. Eight levels of visual information intermittency (.2-25.6 Hz) were used in blocked fashion at each force level. Participants were required ...

journal_title：Experimental brain research

authors： Lafe CW,Pacheco MM,Newell KM

更新日期：2016-07-01 00:00:00