Functional neuroimaging of attention in the auditory modality.

abstract：:DCC is a member of the immunoglobulin superfamily of cell adhesion molecules, whose role in the function of the adult nervous system is unknown. DCC mRNA expression was studied in adult rat dorsal hippocampal sections using in situ hybridization histochemistry. High levels of DCC transcript were detected in hippocampu...

journal_title：Neuroreport

authors： Volenec A,Bhogal RK,Moorman JM,Leslie RA,Flanigan TP

更新日期：1997-09-08 00:00:00

abstract：:Endothelin-1 (ET-1) is recognized as being involved in the pathophysiology of cerebrovascular diseases. Using organ culture as a model for possible pathological changes we studied changes in ET(A) and ETB receptor function using a sensitive in vitro method. We observed an up-regulation of the ET(B) receptor and an ama...

journal_title：Neuroreport

authors： Hansen-Schwartz J,Edvinsson L

更新日期：2000-02-28 00:00:00

abstract：:The hippocampus is well known to contribute to episodic memory encoding. Here we used functional magnetic resonance imaging to investigate the hippocampal response to exponentially varying encoding demands while forming associations between faces and names. We found that only the left hippocampus exhibited a stepped m...

journal_title：Neuroreport

authors： Ulrich M,Jonas C,Grön G

更新日期：2010-01-06 00:00:00

abstract：:Group III metabotropic glutamate receptors (mGluR4, 6, 7, 8) are negatively coupled to adenylate cyclase and, when activated presynaptically, decrease the release of glutamate and GABA. We have used intracerebroventricular injections of agonists and antagonists believed to act selectively on these receptors to study t...

journal_title：Neuroreport

authors： Ghauri M,Chapman AG,Meldrum BS

更新日期：1996-06-17 00:00:00

abstract：:We investigated the influence of noise on brain responses to spoken sentences in MEG. Sixteen subjects had to listen to acoustically presented sentences and judge their syntactic correctness. Sentences were either presented on a silent background or with noise. Noise had differential effects on early auditory and synt...

journal_title：Neuroreport

authors： Herrmann CS,Oertel U,Wang Y,Maess B,Friederici AD

更新日期：2000-02-07 00:00:00

abstract：:The dynamics of intracellular calcium concentration ([Ca2+]i) following activation of low voltage-activated (LVA) and high voltage-activated (HVA) Ca2+ currents were studied in identified relay neurons and interneurons of the rat dorsal lateral geniculate nucleus (LGNd) in situ using Ca2+ imaging and patch-clamp techn...

journal_title：Neuroreport

authors： Munsch T,Budde T,Pape HC

更新日期：1997-07-28 00:00:00

abstract：:We previously reported that clusterin enhances astrocyte proliferation and extracellular signal-regulated kinase (ERK) activity. It, however, remains largely unknown how clusterin promotes cell growth. Here, we investigate the signaling pathway and related molecules underlying astrocyte proliferation by clusterin. Exo...

journal_title：Neuroreport

authors： Shim YJ,Shin YJ,Jeong SY,Kang SW,Kim BM,Park IS,Min BH

更新日期：2009-03-04 00:00:00

abstract：:Elevations of cytosolic free Ca2+ concentration ([Ca2+]i) induced by addition of ATP have been compared in rat dorsal horn neurones in slices and after their isolation. ATP application induced in neurones in situ a rise of [Ca2+]i by 201 +/- 12 nM. In Ca2+-free external solution the rise was 156 +/- 14 nM (n = 45 of 7...

journal_title：Neuroreport

authors： Kruglikov I,Shutov L,Potapenko E,Voitenko N,Kostyuk P

更新日期：2001-11-16 00:00:00

abstract：:Deficits in processing of auditory stimuli are known to play an important role in the aetiology of dyslexia. To specify the auditory deficit in children at risk for dyslexia, 19 children with a phonological deficit and 15 controls were tested using the mismatch negativity event-related potential, which reflects preatt...

journal_title：Neuroreport

authors： Bitz U,Gust K,Spitzer M,Kiefer M

更新日期：2007-06-11 00:00:00

abstract：:Musical expertise has been shown to induce widespread structural and functional alterations in the brain, even-handedly affecting top-down and bottom-up factors. At the same time, it is known that the early evoked gamma-band response (GBR) can be modulated by top-down as well as bottom-up factors such as attention and...

journal_title：Neuroreport

authors： Ott CG,Stier C,Herrmann CS,Jäncke L

更新日期：2013-06-19 00:00:00

abstract：:The 6-hydroxydopamine rat model of Parkinson's disease was combined with intracerebral drug infusions to examine the influence of glutamate receptors on striatal output activity. When infused into the dopamine-denervated striatum, the AMPA-kainate receptor antagonist DNQX dose-dependently elicited contralateral rotati...

journal_title：Neuroreport

authors： Schuller JJ,Marshall JF

更新日期：1995-12-15 00:00:00

abstract：:We evaluated the effects of chemical lesions on hindpaw inflammation-induced Fos protein expression in spinoparabrachial neurons that were retrogradely labeled by Fluoro-Gold. The descending serotoninergic and noradrenergic pathways were destroyed by the selective neurotoxins, 5,7-DHT and DSP-4, respectively. After 5,...

journal_title：Neuroreport

authors： Wei F,Dubner R,Ren K

更新日期：1999-06-03 00:00:00

abstract：:Previous studies have suggested that the dorsomedial prefrontal cortex (dmPFC) plays a central role in processing first impressions; however, little is known about how dmPFC processes different valences of first impressions. Moreover, it is still unclear as to whether the dmPFC shows lateralization or only induces dif...

journal_title：Neuroreport

authors： Yu CL,Wang MY,Hu JF

更新日期：2016-05-25 00:00:00

abstract：:There has been intense interest in determining how the visual brain processes the outside world, and in identifying the neuroanatomical correlates of the ability to create art. Comparing art production before and after illness onset permits some speculation on the function of selective brain regions affected by the ne...

journal_title：Neuroreport

authors： Kleiner-Fisman G,Lang AE

更新日期：2004-04-29 00:00:00

abstract：:I have investigated the role of Ca2+ on M-current (IK(M)) inhibition by the muscarinic agonist oxo-M using the perforated patch voltage clamp technique. Oxo-M inhibited IK(M) in cultured SCG cells with an IC50 of 1.2 microM in 2 mM [Ca2+]o, and 13.1 microM in nominally Ca(2+)-free external solution. BAPTA-AM, ryanodin...

journal_title：Neuroreport

authors： Lamas JA

更新日期：1999-08-02 00:00:00

abstract：:In this study, we have identified novel splice variants of the Na+ channel alpha subunit mRNA from cultured rat astrocytes and neuroblastoma cells. These splice variants are characterized by premature truncation or deletion of a segment in the third domain of the Na+ channel alpha subunit. The expression of three spli...

journal_title：Neuroreport

authors： Oh Y,Waxman SG

更新日期：1998-05-11 00:00:00

abstract：:Nerve growth factor (NGF) is trophic to sensory and sympathetic fibres, and ciliary neurotrophic factor (CNTF) to motoneurones, in animal models of peripheral nerve injury: NGF excess produces hyperalgesia. In this first study of injured human nerves and sensory ganglia, we quantified and localized endogenous NGF and ...

journal_title：Neuroreport

authors： Anand P,Terenghi G,Birch R,Wellmer A,Cedarbaum JM,Lindsay RM,Williams-Chestnut RE,Sinicropi DV

更新日期：1997-05-27 00:00:00

abstract：:Amyotrophic lateral sclerosis is a devastating motor neuron disorder. Traditionally regarded as a 'neuron only' disease, recent evidence suggested that other cells contribute critically to the pathogenesis. This review provides a short synopsis of the role neuroinflammation and microglial cells play in the disease and...

journal_title：Neuroreport

authors： Weydt P,Möller T

更新日期：2005-04-25 00:00:00

abstract：:Effects of glutamate on synaptic transmission in the submucosal plexus of guinea-pig small intestine were studied with intracellular electrophysiological recording methods. Glutamate suppressed stimulus-evoked slow excitatory postsynaptic potentials (EPSPs) and increased the amplitude of slow inhibitory postsynaptic p...

journal_title：Neuroreport

authors： Ren J,Hu HZ,Liu S,Xia Y,Wood JD

更新日期：1999-09-29 00:00:00

abstract：:Oleic acid, a cis-unsaturated free fatty acid, is proposed to be involved in the protein kinase C (PKC) activation pathway. Its biological actions, however, have not been well-characterized. We examined the effects of oleic acid on acetylcholine (ACh)-gated channel currents using Torpedo nicotinic ACh receptors expres...

journal_title：Neuroreport

authors： Nishizaki T,Ikeuchi Y,Matsuoka T,Sumikawa K

更新日期：1997-02-10 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：:This study examined the potential of embryonic stem cell-derived neurons as transplants for cell therapy for the primary loss of spiral ganglion neurons. To assess the ability of embryonic stem cell-derived neurons for innervation into auditory epithelia, they were cocultured with auditory epithelium explants of mice ...

journal_title：Neuroreport

authors： Matsumoto M,Nakagawa T,Higashi T,Kim TS,Kojima K,Kita T,Sakamoto T,Ito J

更新日期：2005-05-31 00:00:00

abstract：:Neuronal activity may lead to long lasting changes in cell phenotype through induction of genes such as c-fos which encode transcriptional regulatory factors. Odor-activated olfactory bulb cells exhibit increases in c-fos mRNA expression. The present study examined whether odor stimulation of awake rats also leads to ...

journal_title：Neuroreport

authors： Guthrie KM,Gall CM

更新日期：1995-11-13 00:00:00

abstract：:We demonstrate the use of magnetic resonance imaging (MRI) for detection of neurotransmitter stimulation using the dopamine transporter ligands amphetamine and CFT (2beta-carbomethoxy-3beta-(4-fluorophenyl)tropane) as pharmacological challenges. We demonstrate that the unilateral loss of a hemodynamic response to eith...

journal_title：Neuroreport

authors： Chen YI,Brownell AL,Galpern W,Isacson O,Bogdanov M,Beal MF,Livni E,Rosen BR,Jenkins BG

更新日期：1999-09-29 00:00:00

abstract：:N-methyl-D-aspartate (NMDA) receptors are hetero-oligomeric receptor-channel complexes composed of NR1 and NR2 subunits. Subunit composition determines the properties of NMDA receptor subtypes. However, the molecular mechanisms regulating their subunit composition are unknown. Using reverse transcription (RT)-competit...

journal_title：Neuroreport

authors： Hoffmann H,Hatt H,Gottmann K

更新日期：1997-12-01 00:00:00

abstract：:The pattern of immunoreactivity for amyloid precursor (APP) and B-cell lymphoma protooncogene (Bcl-2) proteins in the rat retina was studied after intravitreal injection of basic fibroblast growth factor (bFGF) or transforming growth factor-beta (TGFbeta). In normal control retinas, intense immunostaining of APP and B...

journal_title：Neuroreport

authors： Chen ST,Jen A,Gentleman SM,Jen LS

更新日期：1999-02-25 00:00:00

abstract：:The present study examined the neuroprotective effects of choroid plexus isolated from adult rats and encapsulated within alginate microcapsules. In vitro, conditioned media from cultured choroid plexus produced a marked, dose-dependent protection of embryonic cortical neurons against serum deprivation-induced cell de...

journal_title：Neuroreport

authors： Borlongan CV,Skinner SJ,Geaney M,Vasconcellos AV,Elliott RB,Emerich DF

更新日期：2004-07-19 00:00:00

abstract：:Hemispheric differences in the temporal processing of musical sounds within the primary auditory cortex were investigated using functional magnetic resonance imaging (fMRI) time series analysis on a 3.0 T system in right-handed individuals who had no formal training in music. The two hemispheres exhibited a clear-cut ...

journal_title：Neuroreport

authors： Izumi S,Itoh K,Matsuzawa H,Takahashi S,Kwee IL,Nakada T

更新日期：2011-07-13 00:00:00

abstract：:Low doses of estrogen (E) were given to ovariectomized (OVX) rats and the ventromedial hypothalamic nucleus (VMN) was examined at the ultrastructural level. Administration of 10 micrograms of E for two consecutive days resulted in an increase in the number of axodendritic synapses in the VMN in comparison to OVX rats ...

journal_title：Neuroreport

authors： Frankfurt M,McEwen BS

更新日期：1991-07-01 00:00:00

abstract：:Cells overexpressing the beta-amyloid precursor protein possessing a mutation found in familial Alzheimer's disease overproduce beta-amyloid peptide (A beta). Because these findings were based on immunological identification, we have chemically characterized the peptides produced. Purified A beta fragments from the co...

journal_title：Neuroreport

authors： Dovey HF,Suomensaari-Chrysler S,Lieberburg I,Sinha S,Keim PS

更新日期：1993-08-01 00:00:00