The retino-geniculo-cortical pathway in Callithrix. I. Intraspecific variations in the lamination pattern of the lateral geniculate nucleus.

abstract：:Selective attention is popularly assessed with colour Stroop tasks in which participants name the ink colour of colour words, whilst resisting interference from the natural tendency to read the words. Prior studies hinted that the key brain regions (dorsolateral prefrontal (dlPFC) and anterior cingulate cortex (ACC)) ...

journal_title：Experimental brain research

authors： Mitchell RL

更新日期：2010-05-01 00:00:00

abstract：:The praxis system comprises a network of brain regions dedicated to complex skilled movements. Following suggestions of a female advantage on learned movements (Chipman and Hampson in Neuropsychologia 44(12):2315-2329, 2006), we investigated how males and females acquire skilled movements. Subjects viewed and imitated...

journal_title：Experimental brain research

authors： Cohen NR,Pomplun M,Gold BJ,Sekuler R

更新日期：2010-08-01 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

abstract：:We have tested the hypothesis that complex cell receptive fields are made up of subfields which, for a given cell, have either exclusively even or exclusively odd symmetry. To do this we have measured the response of complex cells in the visual cortex of the cat to members of pairs of spatially limited even-symmetric ...

journal_title：Experimental brain research

authors： Gaska JP,Pollen DA,Cavanagh P

更新日期：1987-01-01 00:00:00

abstract：:Intracerebroventricular kainate treatment in rats induces neuronal cell death, followed by proliferation and hypertrophy of glial cells in the lesioned area. To further understand the activated signal transduction pathways and to get insights into potential target gene activation, the present study aims to elucidate l...

journal_title：Experimental brain research

authors： Ong WY,Lim HM,Lim TM,Lutz B

更新日期：2000-03-01 00:00:00

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：:We investigated a double-label 2-DG protocol and method of analysis in which sequential injections of 3H- and 14C-2-DG were used to map brain metabolism during two distinct experimental treatments in the same animal. In initial studies, brain sections from rats given only 3H-2-DG or only 14C-2-DG were exposed on Ultro...

journal_title：Experimental brain research

authors： Friedman HR,Bruce CJ,Goldman-Rakic PS

更新日期：1987-01-01 00:00:00

abstract：:We investigated the capacities of human subjects to intercept moving targets in a two-dimensional (2D) space. Subjects were instructed to intercept moving targets on a computer screen using a cursor controlled by an articulated 2D manipulandum. A target was presented in 1 of 18 combinations of three acceleration types...

journal_title：Experimental brain research

authors： Port NL,Lee D,Dassonville P,Georgopoulos AP

更新日期：1997-10-01 00:00:00

abstract：:The purpose of the present work was to characterize calcium responses of brain-capillary endothelial cells (BCEC), the cells forming the blood-brain barrier, to chemical, hyperosmolar and mechanical stimulation. Confluent BCEC cultures were grown from capillary fragments isolated from rat cerebral cortex. Intracellula...

journal_title：Experimental brain research

authors： Paemeleire K,de Hemptinne A,Leybaert L

更新日期：1999-06-01 00:00:00

abstract：:We examined the effect of the smoothness of motion on vection strength. The smoothness of stimulus motion was modulated by varying the number of frames comprising the movement. In this study, a horizontal grating translated through 360° of phase in 1 s divided into steps of 3, 4, 6, 12, 20, 30, or 60 frames. We hypoth...

journal_title：Experimental brain research

authors： Fujii Y,Seno T,Allison RS

更新日期：2018-01-01 00:00:00

abstract：:To test the functional implications of gaze signals that we previously reported in the dorsal premotor cortex (PMd), we trained two rhesus monkeys to point to visual targets presented on a touch screen while controlling their gaze orientation. Each monkey had to perform four different tasks. To initiate a trial, the m...

journal_title：Experimental brain research

authors： Jouffrais C,Boussaoud D

更新日期：1999-09-01 00:00:00

abstract：:The mesencephalic dopamine (DA) cell system was examined in mice homozygous and heterozygous for the weaver (wv) gene and in wild-type controls to estimate the extent of cell losses associated with the genetically determined central DA deficiency observed in weaver homozygotes. Animals of the three genotypes (+/+, wv/...

journal_title：Experimental brain research

authors： Triarhou LC,Norton J,Ghetti B

更新日期：1988-01-01 00:00:00

abstract：:When someone grasps an object, the grasp depends on the intended object manipulation and usually facilitates it. If several object manipulation steps are planned, the first step has been reported to primarily determine the grasp selection. We address whether the grasp can be aligned to the second step, if the second s...

journal_title：Experimental brain research

authors： Mathew H,Kunde W,Herbort O

更新日期：2017-05-01 00:00:00

abstract：:The response of 835 click-sensitive neurons in the inferior colliculus (IC) to ramp frequency modulated (FM) tones was studied in the anaesthetized rat. More than 70% of the cells were sensitive to the FM sound, and over 25% were "FM specialized". Systematic variations of the stimulus parameters showed that sweep velo...

journal_title：Experimental brain research

authors： Poon PW,Chen X,Hwang JC

更新日期：1991-01-01 00:00:00

abstract：:The present study aimed to elucidate the distribution of ferric and ferrous iron in the hippocampus after kainate-induced neuronal injury. A modified Perl's or Turnbull's blue histochemical stain was used to demonstrate Fe3+ and Fe2+ respectively. Very light staining for iron was observed in the hippocampus, in normal...

journal_title：Experimental brain research

authors： Wang XS,Ong WY,Connor JR

更新日期：2002-03-01 00:00:00

abstract：:The cerebral response evoked by stimulation of the bulbar pyramidal tract in wood rats, like that of laboratory rats, consisted of a small alpha wave, almost obscured by a very large, superimposed r wave. The alpha wave behaved like a purely antidromic response, whereas the r wave behaved like a postsynaptic response,...

journal_title：Experimental brain research

authors： Towe AL,Harrison TA

更新日期：1993-01-01 00:00:00

abstract：:Reaching movements made to targets during exposure to passive constant velocity rotation show significant endpoint errors. By contrast, reaching movements made during voluntary rotation of the torso are accurate. In both cases, as a consequence of the simultaneous motion of the arm and the torso, Coriolis forces are g...

journal_title：Experimental brain research

authors： Bortolami SB,Pigeon P,Dizio P,Lackner JR

更新日期：2008-06-01 00:00:00

abstract：:We have investigated the effects of mental set on predictive capabilities using a saccade square-wave tracking paradigm with ten normal subjects, comparing three amplitudes (10, 20, and 40 degrees ) and five inter-stimulus intervals (ISIs) (400, 500, 625, 1000, and 2000 ms). Subjects were instructed simply to "follow ...

journal_title：Experimental brain research

authors： Isotalo E,Lasker AG,Zee DS

更新日期：2005-09-01 00:00:00

abstract：:Single unit recording from trained rhesus monkeys demonstrate that the activity of the prelunate cortex is enhanced when a visual stimulus becomes a target of saccadic eye movement. As a rule, the enhancement is spatially selective: it does not occur if the animal makes an eye movement away from, rather than towards t...

journal_title：Experimental brain research

authors： Fischer B,Boch R

更新日期：1981-01-01 00:00:00

abstract：:We investigated the extent to which humans can quickly adapt their goal-directed arm movements to perturbed feedback. We predicted that the magnitude of adaptation to a changed relationship between vision and kinesthesia would depend on the type of perturbation, being largest when the perturbation can be generalized w...

journal_title：Experimental brain research

authors： van den Dobbelsteen JJ,Brenner E,Smeets JB

更新日期：2003-02-01 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：:Even the simplest volitional movements must be precisely coordinated with anticipatory postural adjustments. Little is currently known about the neural networks that coordinate these adjustments in healthy adults. We measured brain activity prior to movement during a bimanual load-lifting task, designed to elicit anti...

journal_title：Experimental brain research

authors： Ng TH,Sowman PF,Brock J,Johnson BW

更新日期：2011-01-01 00:00:00

abstract：:The purpose of the study was to determine the contributions of endpoint variance and trajectory variability to the endpoint accuracy of goal-directed isometric contractions when the target force and contraction speed were varied. Thirteen young adults (25 +/- 6 years) performed blocks of 15 trials at each of 2 contrac...

journal_title：Experimental brain research

authors： Poston B,Christou EA,Enoka JA,Enoka RM

更新日期：2010-04-01 00:00:00

abstract：:Coordination is often observed as body parts moving together. However, when producing force with multiple fingers, the optimal coordination is not to produce similar forces with each finger, but rather for each finger to correct mistakes of other fingers. In this study, we aim to determine whether and how this skill d...

journal_title：Experimental brain research

authors： Shaklai S,Mimouni-Bloch A,Levin M,Friedman J

更新日期：2017-12-01 00:00:00

abstract：:The parameters characterizing Listing's plane have been determined in a group of normal subjects, and in patients who have had unilateral vestibular deafferentation on the right or left side. All patients were well compensated. There was no statistically significant difference in the orientation of Listing's plane bet...

journal_title：Experimental brain research

authors： Haslwanter T,Curthoys IS,Black R,Topple A

更新日期：1994-01-01 00:00:00

abstract：:We studied cognitive functions related to processing sensory and motor activities in the basal ganglia (BG), specifically in the putamen and in cortical structures forming the BG-frontocortical circuits. Intracerebral recordings were made from 160 brain sites in 32 epilepsy surgery candidates. We studied P3-like poten...

journal_title：Experimental brain research

authors： Rektor I,Bares M,Kanovský P,Brázdil M,Klajblová I,Streitová H,Rektorová I,Sochůrková D,Kubová D,Kuba R,Daniel P

更新日期：2004-10-01 00:00:00

abstract：:In this study, we investigated the effects of ginkgolides (Gins A, B, C and J), the main constituent of the non-flavone fraction of EGb 761, on hypoxic injury induced by potassium cyanide (KCN) in primary cortical neurons. The neurons were pretreated with or without ginkgolides for 24 h before incubation with KCN for ...

journal_title：Experimental brain research

authors： Zhu L,Xu YJ,Du F,Qian ZM

更新日期：2007-06-01 00:00:00

abstract：:Paired-pulse transcranial magnetic stimulation was used in three experiments to measure the properties of long-latency intracortical inhibition (LICI) acting on the relaxed first dorsal interosseus muscle of the left and right hand in right-handed volunteers. The experiments show that LICI is asymmetrical: it emerges ...

journal_title：Experimental brain research

authors： Hammond GR,Garvey CA

更新日期：2006-07-01 00:00:00

abstract：:In studies of human eye-head coordinated saccadic gaze shifts, different laboratories have found greatly different magnitudes of head movements for a given amplitude of gaze shift (head movement gain). The present study was conducted to examine why, and to quantify volitional head movements. Fixation/target lights wer...

journal_title：Experimental brain research

authors： Fuller JH

更新日期：1992-01-01 00:00:00

abstract：:The objectives of this study were to determine whether changes in electromyographic (EMG) responses observed during prolonged intracortical microstimulation (ICMS) were due to local plasticity of the motor system or to global changes in the preparation. Local effects would be expressed as changes only along the activa...

journal_title：Experimental brain research

authors： Gu X,Fortier PA

更新日期：1996-02-01 00:00:00