A magnetoencephalographic study of Japanese vowel processing.

abstract：:We investigated the role of kainate receptor activation in modulating the influx of Ca2+ coupled to the exocytotic release of glutamate in rat hippocampal synaptosomal fractions (P2). In whole hippocampus synaptosomes stimulation with domoic acid increased the intracellular free Ca2+ concentration ([Ca2+]i) in a dose-...

journal_title：Neuroreport

authors： Malva JO,Carvalho AP,Carvalho CM

更新日期：1996-05-17 00:00:00

abstract：:Event-related potentials (ERPs) were measured from 24 chronic closed head injury (CHI) patients and 18 age- and education-matched controls. The oddball paradigm was applied while subjects were watching a silent movie. The standard (p=0.8) sound of 75 ms duration had a basic frequency of 500 Hz with harmonic partials o...

journal_title：Neuroreport

authors： Kaipio ML,Novitski N,Tervaniemi M,Alho K,Ohman J,Salonen O,Näätänen R

更新日期：2001-05-25 00:00:00

abstract：:Acute injury to central nervous system (CNS) triggers neurodegenerative processes that can result in serious damage or complete loss of function. After injury, production of transforming growth factor β1 (TGFβ1) increases and initiates creation of a fibrotic scar that prevents normal growth, plasticity, and recovery o...

journal_title：Neuroreport

authors： Jaskova K,Pavlovicova M,Cagalinec M,Lacinova L,Jurkovicova D

更新日期：2014-03-26 00:00:00

abstract：:Synaptic or 'hard wired' neurotransmission in the brain, subject to modulation by a class of substances called modulators, has been the dominant model of brain function. However, increasing evidence for alternate non-synaptic neurotransmission mechanisms is forcing consideration of a more inclusive model. Evidence is ...

journal_title：Neuroreport

authors： Bach-y-Rita P

更新日期：1993-04-01 00:00:00

abstract：:Event-related potentials were recorded in healthy volunteers to test the accuracy of the human brain to extract, preattentively, auditory abstract rules. The abstract rule was determined by the frequency relationship between two pure tones forming a pair. The standard pairs had identical tone frequency, whereas the de...

journal_title：Neuroreport

authors： Carral V,Corral MJ,Escera C

更新日期：2005-02-28 00:00:00

abstract：:We have established an in-vitro coculture-system of adult rat retina with fetal midbrain explants to examine whether regenerating central nervous system axons are still able to recognize appropriate target neurons. Our results show that the retinal ganglion cell axons regenerate their axons and reinnervate the retino-...

journal_title：Neuroreport

authors： Bähr M,Eschweiler GW

更新日期：1991-10-01 00:00:00

abstract：:Previous functional neuroimaging studies of attention have emphasized the visual modality. We developed an auditory version of the continuous performance test (CPT) that included simple, focused and divided attention conditions. Positron emission tomographic (PET) scans were acquired during CPT performance in normal y...

journal_title：Neuroreport

authors： Benedict RH,Lockwood AH,Shucard JL,Shucard DW,Wack D,Murphy BW

更新日期：1998-01-05 00:00:00

abstract：:Fourteen healthy right-handed subjects were scanned using PET with a [15O]water tracer during exposure to electromagnetic field (EMF) emitted by a mobile phone and a sham-exposure under double-blind conditions. During scanning, the subjects performed a visual working memory task. Exposure to an active mobile phone pro...

journal_title：Neuroreport

authors： Haarala C,Aalto S,Hautzel H,Julkunen L,Rinne JO,Laine M,Krause B,Hämäläinen H

更新日期：2003-11-14 00:00:00

abstract：:It has been reported that intracerebroventricular (i.c.v.) injection of nociception/orphanin FQ (OFQ) can antagonize morphine analgesia, whereas i.c.v. OFQ antibody can reverse morphine tolerance. Nocistatin (NST) is a recently characterized neuropeptide possessing an antagonizing effect on OFQ. Here we examine whethe...

journal_title：Neuroreport

authors： Sun RQ,Zhao CS,Wang HJ,Jing Z,Wang W,Yang K,Wang Y,Chang JK,Han JS

更新日期：2001-06-13 00:00:00

abstract：:Cholinergic basal forebrain neurons (CBFN) expressing the low-affinity neurotrophin receptor p75 (p75(NTR)) were previously selectively labeled in vivo with carbocyanine 3 (Cy3)-tagged anti-p75(NTR), but the applied 192IgG-conjugates recognized p75(NTR) only in rat. The antibody ME 20.4 raised against human p75(NTR) h...

journal_title：Neuroreport

authors： Härtig W,Varga C,Kacza J,Grosche J,Seeger J,Luiten PG,Brauer K,Harkany T

更新日期：2002-08-07 00:00:00

abstract：:Neuroimaging evidence suggests that human Brodmann area 5 (BA5) within the superior parietal lobule contributes to movement planning. However, a causal role for the contribution of BA5 to preparatory processes has yet to be reported. We used paired-pulse transcranial magnetic stimulation to investigate the influence o...

journal_title：Neuroreport

authors： Mackenzie TN,Bailey AZ,Mi PY,Tsang P,Jones CB,Nelson AJ

更新日期：2016-09-28 00:00:00

abstract：:There is no unifying hypothesis to account for the anatomical distribution of neuropathology, the involvement of beta-amyloid precursor protein (beta APP) and the role of increasing age in triggering the Alzheimer disease process. We report here that layer II pre-alpha neurones in transentorhinal and entorhinal cortex...

journal_title：Neuroreport

authors： Roberts GW,Nash M,Ince PG,Royston MC,Gentleman SM

更新日期：1993-01-01 00:00:00

abstract：:Injury and diseases of the nervous system can induce astrocytes to form tenacious glial scars. We induced focal cortical freeze-lesions in neonatal rats and examined scars histologically and electrophysiologically in tissue slices isolated 2-3 weeks after lesioning. Lesions displayed marked gliosis, characterized by u...

journal_title：Neuroreport

authors： Bordey A,Hablitz JJ,Sontheimer H

更新日期：2000-09-28 00:00:00

abstract：:The possible role of endogenous cholinergic innervation in hippocampal plasticity is controversial. We studied the role of acetylcholine (ACh) in short- and long-term potentiation (STP and LTP), using the cholinergic neurotoxin 192 IgG-saporin. It was still possible to induce STP the LTP in the CA1 field following com...

journal_title：Neuroreport

authors： Jouvenceau A,Billard JM,Lamour Y,Dutar P

更新日期：1996-03-22 00:00:00

abstract：:Neuronal network reconstruction is a pivotal determinant for functional recovery after spinal cord injury (SCI), the process of which includes synaptogenesis. Slit2 protein has been identified as a key regulator of axon regeneration and synapse formation in the vertebrate. Meanwhile, RhoA is the converging cascade of ...

journal_title：Neuroreport

authors： Li Y,Gao Y,Xu X,Shi R,Liu J,Yao W,Ke C

更新日期：2017-01-18 00:00:00

abstract：:The developmental time-course of type I and type II benzodiazepine receptors in the chick optic lobe was determined using a triazolopyridazine, CL 218872. At embryonic day 13 most of the binding sites corresponded to type II (98.23%), while type I represented only a minor proportion (1.77%). During development there w...

journal_title：Neuroreport

authors： Gravielle MC,de Plazas SF

更新日期：1995-10-23 00:00:00

abstract：:Activity of calpains and caspase-3 inferred from proteolysis of the cytoskeletal protein alpha-spectrin into signature spectrin breakdown products (SBDPs) was used to provide the first systematic and simultaneous comparison of changes in activity of these two families of cysteine proteases after traumatic brain injury...

journal_title：Neuroreport

authors： Pike BR,Zhao X,Newcomb JK,Posmantur RM,Wang KK,Hayes RL

更新日期：1998-08-03 00:00:00

abstract：:We have previously reported that antidepressants such as desipramine (DMI) induce axonal regeneration of brain noradrenergic neurons. In the present experiments, the role of phospholipase A2 (PLA2) in the regeneration of brain noradrenergic axons was studied. Symmetrical sites of the rat frontal cortex were pretreated...

journal_title：Neuroreport

authors： Nakamura S

更新日期：1993-04-01 00:00:00

abstract：:Aging and Alzheimer's disease (AD) are both characterized by memory impairments and sleep changes. We investigated the potential link between these disturbances, focusing on sleep spindles, involved in memory consolidation. Two episodic memory tasks were given to young and old healthy participants, as well as to AD pa...

journal_title：Neuroreport

authors： Rauchs G,Schabus M,Parapatics S,Bertran F,Clochon P,Hot P,Denise P,Desgranges B,Eustache F,Gruber G,Anderer P

更新日期：2008-07-16 00:00:00

abstract：:Unilateral 6-hydroxydopamine lesion to rat substantia nigra pars compacta resulted in a modest, but significant, decrease in the specific binding of N-alpha-[methyl-3H]histamine (19 +/- 5% reduction) to synaptosomal membranes from ipsilateral striata. Dopamine synthesis was assessed in striatal slices by determining [...

journal_title：Neuroreport

authors： Molina-Hernández A,Nuñez A,Arias-Montaño JA

更新日期：2000-01-17 00:00:00

abstract：:Cell death by apoptosis occurs in mature neurones of adult rat dentate gyrus following adrenalectomy. In these studies, apoptosis in the dentate gyrus was induced 3 days after adrenalectomy in male Fischer 344 rats ranging in age from 2-3 to 24-26 months. Glial fibrillary acidic protein and transforming growth factor-...

journal_title：Neuroreport

authors： Bye N,Nichols NR

更新日期：1998-04-20 00:00:00

abstract：:In order to ascertain whether disturbances of neurogenesis occur in chronic neurodegenerative disorders, we assessed hippocampal cell proliferation in the R6/1 transgenic mouse model of Huntington's disease (HD). Using BrdU labelling for dividing cells at two different time points (5 and 20 weeks) in transgenic and wi...

journal_title：Neuroreport

authors： Lazic SE,Grote H,Armstrong RJ,Blakemore C,Hannan AJ,van Dellen A,Barker RA

更新日期：2004-04-09 00:00:00

abstract：:Selective degeneration of hypothalamic orexin neurons, a hallmark of pathology in narcolepsy patients, is in part reproduced in hypothalamic slice cultures by application of an endogenous excitotoxin quinolinic acid. Depolarized membrane potential may be responsible for the vulnerability of orexin neurons to excitotox...

journal_title：Neuroreport

authors： Katsuki H,Akaike A

更新日期：2005-08-01 00:00:00

abstract：:Investigating the neural substrates of auditory processing of absolute pitch musicians has relevance for understanding the capabilities of the human brain for plasticity. Electroencephalography was used to examine the N1 of auditory-evoked potentials from absolute pitch musicians, nonabsolute pitch musicians, and nonm...

journal_title：Neuroreport

authors： Wu C,Kirk IJ,Hamm JP,Lim VK

更新日期：2008-05-28 00:00:00

abstract：:delta-9-Tetrahydrocannabinol (THC) is a major psychoactive component of cannabis. We have recently localized a receptor for THC in the forebrain and found in the caudate-putamen that its gene expression is modulated by glucocorticoids, dopamine and glutamate. Here, we report for the first time, using quantitative in s...

journal_title：Neuroreport

authors： Mailleux P,Verslype M,Preud'homme X,Vanderhaeghen JJ

更新日期：1994-06-02 00:00:00

abstract：:A simple but effective method has been devised to explore backward masking in cutaneous sensation. In this method a weak electrical shock to the palm (test stimulus) is followed by a stronger shock to the same site (masking stimulus). By combining this stimulation strategy with a choice reaction time paradigm, it has ...

journal_title：Neuroreport

authors： MacIntyre NJ,McComas AJ

更新日期：1996-06-17 00:00:00

abstract：:We investigated the effects of chemical hypoxia on the central pattern generator controlling swimming in stage 42 Xenopus laevis larvae. We recorded motoneuron activity from ventral roots of immobilized tadpoles and evoked swim episodes by brief electrical stimulation of the tail skin. In the presence of the metabolic...

journal_title：Neuroreport

authors： Robertson RM,Björnfors ER,Sillar KT

更新日期：2010-10-06 00:00:00

abstract：:Animal models suggest that the asymmetry of monocular optokinetic nystagmus (OKN) in young infants can be explained by a direct pathway from retina to the midbrain nucleus of the optic tract. However, earlier studies with hemispherectomized infants showed no evidence for OKN responses towards the damaged cortex that c...

journal_title：Neuroreport

authors： Morrone MC,Atkinson J,Cioni G,Braddick OJ,Fiorentini A

更新日期：1999-09-09 00:00:00

abstract：:The aim of this study is to investigate the neural mechanism of extending a brand in a specific product category to other product categories. Facing two sequential stimuli in pairs consisting of beverage brand names (stimulus 1) and product names (stimulus 2) in other categories, 16 participants were asked to indicate...

journal_title：Neuroreport

authors： Ma Q,Wang X,Dai S,Shu L

更新日期：2007-07-02 00:00:00

abstract：:Epilepsy is a neurological disorder with recurrent unprovoked seizures as the main symptom. Of the coumarin derivatives in Angelica gigas, decursin, a major coumarin component, was reported to exhibit significant protective activity against glutamate-induced neurotoxicity when added to primary cultures of rat cortical...

journal_title：Neuroreport

authors： Lee JK,Jeong JW,Jang T,Lee GW,Han H,Kang JS,Kim IH

更新日期：2014-11-12 00:00:00