Synapses between interneurons in the lateral geniculate nucleus of monkeys.

abstract：:The relationship between phantom limb phenomena and cortical reorganization was examined in five subjects with congenital absence of an upper limb and nine traumatic amputees. Neuromagnetic source imaging revealed minimal reorganization of primary somatosensory cortex in the congenital amputees (M=0.69 cm, SD 0.24) an...

journal_title：Experimental brain research

authors： Flor H,Elbert T,Mühlnickel W,Pantev C,Wienbruch C,Taub E

更新日期：1998-03-01 00:00:00

abstract：:Almost two decades ago, sequential effects of human grasping behaviour were described for the first time: In a sequential task, participants persisted in using the previous grasp type. According to the plan-modification hypothesis, such sequential effects reduce the movement planning costs and occur within a limited r...

journal_title：Experimental brain research

authors： Schütz C,Schack T

更新日期：2013-08-01 00:00:00

abstract：:The three-dimensional topography of the environment is a potentially important source of orienting information for animals, but little is known about how such features affect either navigational behaviour or the neural representation of place. One component of the neural place representation comprises the hippocampal ...

journal_title：Experimental brain research

authors： Jeffery KJ,Anand RL,Anderson MI

更新日期：2006-02-01 00:00:00

abstract：:To view different objects of interest, primates use fast, accurate eye movements called saccades. If saccades become inaccurate, the brain adjusts their amplitudes so they again land on target, a process known as saccade adaptation. The different types of saccades elicited in different behavioral circumstances appear ...

journal_title：Experimental brain research

authors： Hopp JJ,Fuchs AF

更新日期：2010-04-01 00:00:00

abstract：:The size-weight illusion induced by visually perceived sizes was reexamined to investigate whether this illusion is a sensory based or cognitive-based phenomenon. A computer-augmented environment was utilized to manipulate visual size information of target objects independently of their haptic information. Two physica...

journal_title：Experimental brain research

authors： Kawai S,Henigman F,MacKenzie CL,Kuang AB,Faust PH

更新日期：2007-05-01 00:00:00

abstract：:The activity of voltage-gated K(+) channels (Kv) can be dynamically modulated by several events, including neurotransmitter stimulated biochemical cascades mediated by G protein-coupled receptors such as 5-HT2 receptors (5-HT2Rs). Activation of 5-HT2A/CR inhibits the Shaker-like K(+) channels Kv1.1 and Kv1.2, and this...

journal_title：Experimental brain research

authors： D'Adamo MC,Servettini I,Guglielmi L,Di Matteo V,Di Maio R,Di Giovanni G,Pessia M

更新日期：2013-10-01 00:00:00

abstract：:The effects of short-term, constant practice on the kinematics of a multi-joint pointing movement were studied in the hemiparetic arm of 20 chronic patients with unilateral left cerebro-vascular accident (CVA) and in 10 age- and sex-matched healthy individuals. Practice consisted of a single session of 70 pointing mov...

journal_title：Experimental brain research

authors： Cirstea MC,Ptito A,Levin MF

更新日期：2003-10-01 00:00:00

abstract：:Humans show a gravitational advantage in perception: we are more precise at judging the speed of downwards-moving than upwards-moving objects, indicating that gravitational acceleration is an internalised prior. However, it is unclear whether this gravity prior is based on purely perceptual cues or whether it can inco...

journal_title：Experimental brain research

authors： Gallagher M,Torok A,Klaas J,Ferrè ER

更新日期：2020-09-01 00:00:00

abstract：:Cell responses to complex visual patterns such as compositions of broad-band (non-monochromatic) colour areas are presented. Patterns were scanned over the receptive field, and cell response at each point was recorded. "Response patterns" were constructed which display the cell transform of the stimulus pattern. Parvo...

journal_title：Experimental brain research

authors： Nothdurft HC,Lee BB

更新日期：1982-01-01 00:00:00

abstract：:How are multiple, multi-sensory stimuli combined for use in segmenting spatio-temporal events? For an answer, we measured the effect of various auditory or visual stimuli, in isolation or in combination, on a bistable percept of visual motion ("bouncing" vs. "streaming"). To minimize individual differences, the physic...

journal_title：Experimental brain research

authors： Zhou F,Wong V,Sekuler R

更新日期：2007-07-01 00:00:00

abstract：:Transcranial direct current stimulation (tDCS) using intensities ≤ 2 mA on physical and cognitive outcomes has been extensively investigated. Studies comparing the effects of different intensities of tDCS have yielded mixed results and little is known about how higher intensities (> 2 mA) affect outcomes. This study e...

journal_title：Experimental brain research

authors： Workman CD,Kamholz J,Rudroff T

更新日期：2020-02-01 00:00:00

abstract：:The control of self-motion is supported by visual, vestibular, and proprioceptive signals. Recent research has shown how these signals interact in the monkey medio-superior temporal area (area MST) to enhance and disambiguate the perception of heading during self-motion. Area MST is a central stage for self-motion pro...

journal_title：Experimental brain research

authors： Bremmer F,Kubischik M,Pekel M,Hoffmann KP,Lappe M

更新日期：2010-01-01 00:00:00

abstract：:Supervised learning of different postural tasks in patients with lesions of the motor cortex or pyramidal system (poststroke hemiparesis: 20 patients), nigro-striatal system (Parkinson's disease: 33 patients) and cerebellum (spinocerebellar ataxia: 37 patients) was studied. A control group consisted of 13 healthy subj...

journal_title：Experimental brain research

authors： Ioffe ME,Ustinova KI,Chernikova LA,Kulikov MA

更新日期：2006-01-01 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

abstract：:The present study examined the dopaminergic innervation of the rat globus pallidus by in vivo microdialysis and immunohistochemistry in more detail. Using tyrosine hydroxylase immunohistochemistry, two classes of dopaminergic fibers were distinguished morphologically in the globus pallidus. Unilateral infusion of 6-hy...

journal_title：Experimental brain research

authors： Fuchs H,Hauber W

更新日期：2004-01-01 00:00:00

abstract：:Our previous study showed an increase in total cholesterol level of the hippocampus after kainate-induced injury, but whether this is further metabolized to neurosteroids is not known. The first step in neurosteroid biosynthesis is the conversion of cholesterol to pregnenolone by the enzyme cytochrome P450 side chain ...

journal_title：Experimental brain research

authors： Chia WJ,Jenner AM,Farooqui AA,Ong WY

更新日期：2008-03-01 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：:A lesion limited to the dorsal columns, at the level of L3-L4, was carried out in chronic cats. This operation produced a "partial axotomy" type of lesion on the ascending branches of Ia hind limb afferents. Two to six months after this operation, intracellular studies on L7-S1 motoneurons were carried out. Similar st...

journal_title：Experimental brain research

authors： Decima EE,Lorenzo D,Mallach L

更新日期：1986-01-01 00:00:00

abstract：:We examined the distribution of labeled neurons in the parabigeminal nucleus of the monkey following injections of retrograde fluorescent tracers into the superior colliculus. The extent of the visual field representation included in the injection site was assessed from the location of labeled cells in striate cortex....

journal_title：Experimental brain research

authors： Baizer JS,Whitney JF,Bender DB

更新日期：1991-01-01 00:00:00

abstract：:Amyotrophic lateral sclerosis (ALS) is a late-onset, neurodegenerative disease associated with the loss of motor neurons in the spinal cord, brain stem and primary motor cortex. Deficit in the motor function is one of the clinical features of this disease. However, the association between adverse morphological alterat...

journal_title：Experimental brain research

authors： Das S,Nalini A,Laxmi TR,Raju TR

更新日期：2020-11-10 00:00:00

abstract：:There is ample evidence that motor learning changes the function of perceptual systems. Previous studies examining the interactions between speech production and perception have shown that the discrimination of phonetic contrasts characterized by the difference in articulatory place features is altered following their...

journal_title：Experimental brain research

authors： Tamura S,Ito K,Hirose N,Mori S

更新日期：2019-09-01 00:00:00

abstract：:A preparation is described that permits the monitoring of activity from individual muscle afferent nerve fibres in an intact peripheral nerve in the forelimb of the cat. The nerve is a fine branch of the deep radial that supplies the indicis proprius muscle. When it is freed from nearby tissue over a length of 2-5 cm ...

journal_title：Experimental brain research

authors： Mackie PD,Rowe MJ

更新日期：1997-01-01 00:00:00

abstract：:Extracellular recordings were performed from turtle red nucleus neurons to examine their responsiveness to peripheral somatic stimulation and to study differences between rubral sensory and movement-related responses. In pentobarbital sodium-anesthetized or decerebrate turtles, red nucleus neurons could be divided int...

journal_title：Experimental brain research

authors： Sarrafizadeh R,Keifer J,Houk JC

更新日期：1996-02-01 00:00:00

abstract：:Motor learning results from repeated exposure to the same movement and allows a mover to increase movement optimality. Typically, this has only been considered in single-step movements. In sequential movements, an initial reach movement is tailored to the demands of the onward movement. However, the exact role of moto...

journal_title：Experimental brain research

authors： Wilmut K,Barnett AL

更新日期：2014-01-01 00:00:00

abstract：:The primary objective of this study was to explore why preischemic hypoglycemia, which restricts tissue acidosis during the ischemic insult, does not ameliorate cell damage incurred as a result of transient ischemia. The question arose whether hypoglycemia (plasma glucose concentration 2-3 mM) delays resumption of ext...

journal_title：Experimental brain research

authors： Li PA,Kristián T,Katsura K,Shamloo M,Siesjö BK

更新日期：1995-01-01 00:00:00

abstract：:Groups of pregnant rats were injected with two successive daily doses of 3H-thymidine from gestational day 12 and 13 (E12+13) until the day before parturition (E21+22) in order to label in their embryos the proliferating precursors of neurons. At 60 days of age the proportion of neurons generated (or no longer labelle...

journal_title：Experimental brain research

authors： Altman J,Bayer SA

更新日期：1981-01-01 00:00:00

abstract：:The electrophysiological responses of 162 tectal cells to computer-generated visual stimuli were extracellularly recorded from 24 homing pigeons before and after injecting either lidocaine or N-methyl-D-aspartate (NMDA) into the nucleus isthmi pars magnocellularis (Imc) or the nucleus isthmi pars parvocellularis (Ipc)...

journal_title：Experimental brain research

authors： Wang SR,Wang YC,Frost BJ

更新日期：1995-01-01 00:00:00

abstract：:We examined how cerebellar deficits in isolated reaching or grasping movements contribute to abnormalities in a combined reach and grasp movement, and whether people with cerebellar damage show abnormalities in the spatiotemporal relationships of reach and grasp movements. We studied subjects with cerebellar damage an...

journal_title：Experimental brain research

authors： Zackowski KM,Thach WT Jr,Bastian AJ

更新日期：2002-10-01 00:00:00

abstract：:Using a declarative memory paradigm, the anatomical correlates of spatial location encoding and retrieval in the healthy human brain as reflected by BOLD fMRI were investigated. During encoding, subjects were instructed to view and keep in mind different locations of an object on a platform seen from different viewpoi...

journal_title：Experimental brain research

authors： Frings L,Wagner K,Quiske A,Schwarzwald R,Spreer J,Halsband U,Schulze-Bonhage A

更新日期：2006-09-01 00:00:00

abstract：:Fast cyclic movements and discrete motor acts are controlled differently, presumably because fast cyclic tasks are more automated, thereby depending on different circuits. If fast cyclic movements are made less predictable (e.g., by mixing frequencies), one would predict that their control will be less automated, requ...

journal_title：Experimental brain research

authors： Koenraadt KL,Duysens J,Meddeler BM,Keijsers NL

更新日期：2013-11-01 00:00:00