Abstract:
:We investigated the behavior of short-lasting beta bursts (beta rebound, beta ERS) induced after imagination of hand, foot or tongue movement. Nine able-bodied subjects were asked to imagine one type of movement following the presentation of a visual cue stimulus. EEG was recorded from 60 closely spaced electrodes placed over frontal, central and parietal areas. Spatiotemporal ERD/ERS patterns were evaluated in form of time-frequency maps. Seven out of nine subjects displayed a significant short-lasting beta power increase (beta rebound) after termination of imagery of movement of both feet in the frequency range of 23-29Hz with a clear maximum at the vertex. In contrast, only two subjects displayed a clear beta rebound at the vertex after imagery of one of the hands, although five exhibited a significant beta rebound at the contralateral side of the head. None showed a beta rebound after tongue motor imagery. The midcentrally located beta rebound is interpreted as an electrophysiological correlate of a simultaneous "resetting" of overlapping neural networks in the foot representation areas and the SMA.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Pfurtscheller G,Neuper C,Brunner C,da Silva FLdoi
10.1016/j.neulet.2004.12.034keywords:
subject
Has Abstractpub_date
2005-04-22 00:00:00pages
156-9issue
3eissn
0304-3940issn
1872-7972pii
S0304-3940(04)01549-6journal_volume
378pub_type
杂志文章abstract::IGF-1 is an important factor for myelin synthesis and hence possesses therapeutic potential in treating demyelinating disease such as multiple sclerosis. However, IGF-1 poorly crosses the blood-brain barrier. In this study, we investigated the effects of the sex steroid progesterone and the glucocorticoid dexamethason...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/j.neulet.2009.10.051
更新日期:2010-01-14 00:00:00
abstract::From the effects of selective lesions it is concluded that opiate receptors are located on dopamine (DA) cell-bodies and/or dendrites as well as on GABA nerve-terminals in substantia nigra. ...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(79)96056-7
更新日期:1979-05-01 00:00:00
abstract::Myenteric neurons which innervate the mucosa of the guinea-pig ileum were characterized by combining retrograde transport of DiI in vitro with immunohistochemistry. Of DiI-labelled myenteric neurons, 43% were immunoreactive for calbindin and substance P, 25% were immunoreactive for calbindin alone, and 18% were immuno...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(91)90484-b
更新日期:1991-08-19 00:00:00
abstract::Intracortical facilitatory and inhibitory processes in the primary motor cortex (M1) play an important role in both the preparation and execution of motor tasks. Here we aimed to (1) confirm the existence of, and further characterise, intracortical facilitation at long conditioning-test stimulus intervals at subthresh...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/j.neulet.2014.03.060
更新日期:2014-06-06 00:00:00
abstract::Brain edema is among the major complications in children with bacterial meningitis. Aquaporins are integral membrane pore proteins that form channels to regulate cellular water content. Aquaporin-4 (AQP4), which is enriched in parts of astrocytic membranes that are apposed to pial or perivascular basal laminae, is the...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/j.neulet.2014.02.054
更新日期:2014-04-30 00:00:00
abstract::Electrical stimulation of the primary auditory cortex (AI) of the cat was found to evoke EPSPs, IPSPs or EPSP-IPSP sequences in colliculogeniculate (CG) neurons in the inferior colliculus (IC) which responded antidromically to stimulation of the medial geniculate nucleus. The CG neurons responding to the AI stimulatio...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(83)90404-4
更新日期:1983-12-02 00:00:00
abstract::In this study, we investigated the role of nitric oxide (NO) in neuronal cell death in the lipopolysaccharide (LPS)-treated rat hippocampal slice culture. Neuronal cell death was induced after a LPS treatment in a rat hippocampal slice. The region and time course of the cell death caused by LPS were different from tho...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/s0304-3940(03)00697-9
更新日期:2003-09-25 00:00:00
abstract::Spasticity in chronic hemiparetic stroke patients has primarily been treated pharmacologically. However, there is increasing evidence that physical rehabilitation can help manage hyper-excitability of reflexes (hyperreflexia), which is a primary contributor to spasticity. In the present study, one chronic hemiparetic ...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/j.neulet.2011.09.009
更新日期:2011-10-24 00:00:00
abstract::The enzyme horseradish peroxidase (HRP) has been applied to the proximal stumps of severed thoracic and lumbar dorsal roots in the turtles Pseudemys scripta elegans and Testudo hermanni. The results obtained confirm the distribution pattern observed with anterograde degeneration techniques. Primary afferent terminal s...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(79)96138-x
更新日期:1979-10-01 00:00:00
abstract::Pain-related evoked potentials (PREP) is an established electrophysiological method to evaluate the signal transmission of electrically stimulated A-delta fibres. Although prerequisite for its clinical use, test-retest-reliability and side-to-side differences of bilateral stimulation in healthy subjects have not been ...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/j.neulet.2017.03.037
更新日期:2017-04-24 00:00:00
abstract::Nociceptin/orphanin FQ (N/OFQ) is an endogenous peptide agonist for the opioid receptor homolog, N/OFQ receptor, and serves for the central control of autonomic functions. Morphological details including the cell types that may account for such N/OFQ functions, however, remain unclear. By using X-gal histochemistry fo...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/s0304-3940(02)01186-2
更新日期:2003-01-02 00:00:00
abstract::The isthmo-optic system is less developed in birds feeding-on-the-wing, than in pecking avians. This was suggested previously. By intraocular horseradish peroxidase applications, we studied the central origin of this retino-petal system in thrush, haw finch, swift and swallow. Our data support the assumption on a corr...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(94)90207-0
更新日期:1994-11-21 00:00:00
abstract::Here we examine hypothesis that short-term peripheral ZnSO(4)-induced anosmia can produce effects on c-fos expression within spinal cord and caudal medulla in male Wistar rats (n=4). Fos-like-immunoreactive cells revealed by avidin-biotin-peroxidase method show a significant bilateral increase in the nucleus proprius ...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/s0304-3940(01)01623-8
更新日期:2001-03-30 00:00:00
abstract::A prevailing hypothesis is that neurogenesis is reduced in depression and that the common mechanism for antidepressant treatments is to increase it in adult hippocampus. Reduced neurogenesis has been shown in healthy rats exposed to stress, but it has not yet been demonstrated in depressed patients. Emerging studies n...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/j.neulet.2008.12.046
更新日期:2009-02-20 00:00:00
abstract::The orexinergic neurons, localized in the perifornical hypothalamic area (PeF), are active during waking and quiet during non-rapid eye movement (non-REM) and REM sleep. Orexins promote arousal and suppress non-REM and REM sleep. Although in vitro studies suggest that PeF-orexinergic neurons are under glutamatergic in...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/j.neulet.2008.05.042
更新日期:2008-07-18 00:00:00
abstract::After short periods of intense sympathetic activation, the action of the vagus nerve on heart rate is inhibited for periods of many minutes to several hours. This effect is not abolished by effective blockade of alpha- or beta-adrenoceptors and is not duplicated by administration of noradrenaline or isoprenaline. A si...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/s0304-3940(85)80065-3
更新日期:1985-03-15 00:00:00
abstract::The dopaminergic system has been proposed to be one of the innervations in controlling the mammalian pineal gland function. The dopamine receptors have been characterized in the pineal and the biphasic effects of dopamine on melatonin production have been demonstrated. Recently, the site of dopamine transporter (DAT),...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/j.neulet.2006.04.066
更新日期:2006-07-31 00:00:00
abstract::Rhythmic arm movement significantly suppresses H-reflex amplitude in the soleus (SOL) muscle. This is evidence of neural linkages between the arms and legs which can be exploited during locomotion and have been ascribed to the descending effects of CPGs for arm cycling. However, the generalizability of the effects of ...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/j.neulet.2008.11.034
更新日期:2009-02-06 00:00:00
abstract::This immunohistochemical study demonstrated the presence of S-100 protein (-like substance) in the nervous systems of some invertebrate animals. The immunoreactivity of S-100 protein was detected in some neurosecretory cells, but not in glial cells in the brains (cerebral ganglia) of silkworms, cockroaches and earthwo...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(88)90778-1
更新日期:1988-07-19 00:00:00
abstract::The potassium conductance (gK) blockers tetraethylammonium (TEA) and 4-aminopyridine (4-AP) strongly excited experimental neuromas that had spontaneous discharge, but had minimal effects on acutely cut nerves and on old, quiescent neuromas. Resting gK apparently moderates hyperexcitability in active neuromas. ...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(83)90299-9
更新日期:1983-09-30 00:00:00
abstract::Cognitive impairment in Parkinson's disease is accompanied by a marked decrease of cerebrocortical nicotinic receptors. To study the putative site of impaired receptor synthesis, frontal cortices of Parkinson patients with cognitive dysfunction have been screened for the expression of the nicotinic receptor alpha 4 su...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(95)11367-6
更新日期:1995-03-10 00:00:00
abstract::The effect of the R(-) and S(+) isomers of 3,4-methylenedioxyamphetamine (MDA) and its N-methyl analog 3,4-methylenedioxymethamphetamine (MDMA) on [3H]inositol monophosphate accumulation was studied in cells expressing either 5-HT2A or 5-HT2C receptors. The isomers of MDA produced a concentration dependent increase in...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(94)90057-4
更新日期:1994-08-15 00:00:00
abstract::Hippocampal choline acetyltransferase was reduced by 89% in rats two weeks after electrolytic lesion of the septum. The hippocampal concentrations of somatostatin (SOM)-14, SOM-28 and high-molecular-weight SOM were unaltered, suggesting that the activity of hippocampal SOM neurones is not influenced by cholinergic aff...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90363-0
更新日期:1986-01-30 00:00:00
abstract::On anesthetized adult rats, we examined the possibility that the discharges of spinocerebellar Purkinje cells (PCs) are modulated by passive limb positioning. The rat forelimb was passively placed in four different sagittal positions while the simple spike spontaneous activity of single PCs was recorded; recordings st...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/s0304-3940(98)00185-2
更新日期:1998-04-03 00:00:00
abstract::Small iontophoretic applications of wheat germ agglutinin-conjugated to horseradish peroxidase have been used to simultaneously observe, in the rat, the afferent and efferent connections of small parabrachial subregions in the same animal. The results demonstrate that a restricted region centered on the external porti...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(89)90664-2
更新日期:1989-05-22 00:00:00
abstract::Methylated beta-carboline compounds are mammalian indole metabolites that we have proposed to be endogenous neurotoxins due to their structural similarity to MPP+, the active oxidized product of the dopaminergic toxin, N-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). Several laboratories have demonstrated that MPP...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(89)90645-9
更新日期:1989-11-06 00:00:00
abstract::Previous studies have demonstrated that both oxidative stress and autophagy play important roles in secondary neuronal degeneration in the ipsilateral thalamus after distal middle cerebral artery occlusion (MCAO). This study aimed to investigate whether oxidative stress is associated with autophagy activation within t...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/j.neulet.2015.06.024
更新日期:2015-07-23 00:00:00
abstract::The Lama2dy mouse, a model of congenital muscular dystrophy (CMD) by merosin deficiency (MCMD), shows muscle degeneration and dysmyelination of peripheral nerves. Although it has been reported that MCMD reduces acetylcholinesterase (AChE) activity of mouse sciatic nerve, no information is available regarding its actio...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/s0304-3940(02)00885-6
更新日期:2002-10-18 00:00:00
abstract::The processing of sound information is mediated by the cochlea and the central auditory system. Among the central auditory system, the inferior colliculus (IC) has leading roles in the acoustic processing. In a previous study, we demonstrated psychiatric disorder-related behavioral abnormalities in a genetically modif...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/j.neulet.2014.02.061
更新日期:2014-04-30 00:00:00
abstract::The effects of Sendai, a paramyxovirus, on the functional activity of 3 cell types, have been studied in vitro to establish whether a virus alone can cause pathophysiological changes. Neuronal cells are depolarized and suffer a loss of excitability which was attributed to an increase in membrane conductance. Spontaneo...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(82)90323-8
更新日期:1982-04-26 00:00:00