Bilateral hemispheric changes and language outcomes in chronic left hemisphere stroke.

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：:In the visual modality adaptation to high temporal frequency can result in spatially localized apparent duration compression. The principal point of adaptation is thought to be early in the visual system, at which point temporal information is encoded within sustained (parvocellular) and transient (magnocellular) chan...

journal_title：Neuroreport

authors： Watanabe J,Amemiya T,Nishida S,Johnston A

更新日期：2010-09-15 00:00:00

abstract：:In several central nervous system neuronal populations, axotomy triggers the upregulation of regeneration-associated genes such as c-Jun, which determines neurons ability to regenerate axon in a growth-permissive environment. We analyzed the expression of c-Jun in rat ventral medullary neurons after cervical hemisecti...

journal_title：Neuroreport

authors： Vinit S,Boulenguez P,Efthimiadi L,Stamegna JC,Gauthier P,Kastner A

更新日期：2005-09-28 00:00:00

abstract：:Evoked magnetic fields over the entire head were measured during a semantic judgment task, in which conditions of the pre-test learning session were manipulated. Subjects learnt related and unrelated category-noun pairs, and were then asked to judge the relationship between category and noun. Unrelated pairs evoked ac...

journal_title：Neuroreport

authors： Suzuki K,Okuda J,Otsuka Y,Sugawara A,Hatanaka K,Nakasato N,Kanno A,Yoshimoto T,Fujii T,Yamadori A

更新日期：2001-02-12 00:00:00

abstract：:Synaptic vesicles contain a protein (agglutinin) which binds cell plasma membranes. The protein activity is titrated measuring the agglutination of rabbit trypsinized-fixed red blood cells induced by serial dilutions of purified vesicles. The protein is highly concentrated in vesicles: the specific activity is 150-fol...

journal_title：Neuroreport

authors： Popoli M,Paterno R

更新日期：1991-02-01 00:00:00

abstract：:Extracellular pH transients were evoked in rat hippocampal brain slices by activation of a monosynaptic inhibitory pathway following pharmacological blockade of glutaminergic transmission. Repetitive stimulation in stratum radiatum near the recording site in stratum pyramidale evoked an immediate alkaline shift which ...

journal_title：Neuroreport

authors： Kaila K,Paalasmaa P,Taira T,Voipio J

更新日期：1992-01-01 00:00:00

abstract：:We investigated the effect of the muscarinic acetylcholine receptor (mAChR) antagonist scopolamine on eyeblink conditioning in glutamate receptor subunit 62 null mice, which have severe impairments in cerebellar long-term depression (LTD). Mice were injected intraperitoneally with scopolamine (0.5 mg/kg) or saline, an...

journal_title：Neuroreport

authors： Takatsuki K,Kawahara S,Mori H,Mishina M,Kirino Y

更新日期：2002-01-21 00:00:00

abstract：:Both ice-like protease and calpain have been shown to be involved in apoptosis in non-neuronal cells. Cultured rat cerebellar granule neurons undergo apoptosis when exposed to low potassium-containing medium. Calpain inhibitors 3-(4-iodophenyl)-2-mercapto-(Z)-2-propenoic acid (PD150606) and N-acetyl-Leu-Leu-Met-CHO (c...

journal_title：Neuroreport

authors： Nath R,Raser KJ,McGinnis K,Nadimpalli R,Stafford D,Wang KK

更新日期：1996-12-20 00:00:00

abstract：:The whole-cell patch clamp technique was used to investigate the actions of the opioid agonist U50488H on Ca2+ and K+ currents in differentiated NG108-15 cells. U50488H (5-50 microM) caused a concentration-dependent, reversible inhibition of high voltage-activated Ca2+ currents which persisted in the presence of nifed...

journal_title：Neuroreport

authors： Carpenter E,Gent JP,Peers C

更新日期：1996-07-29 00:00:00

abstract：:This study provides evidence for the role of semantic composition in compound word processing. We examined the online processing of isolated two meaning unit compounds in Chinese, a language that uses compounding to 'disambiguate' meaning. Using auditory presentation, we manipulated the semantic meaning and syntactic ...

journal_title：Neuroreport

authors： Bai C,Bornkessel-Schlesewsky I,Wang L,Hung YC,Schlesewsky M,Burkhardt P

更新日期：2008-04-16 00:00:00

abstract：:Autophosphorylation of the alpha-isoform of Ca2+/calmodulin-dependent kinase II switches the kinase into an autonomous activity mode. This molecular switch is important for hippocampal long-term memory formation, which requires de novo gene transcription and protein synthesis. Here, we have studied whether auto-phosph...

journal_title：Neuroreport

authors： von Hertzen LS,Giese KP

更新日期：2005-08-22 00:00:00

abstract：:Poly(ADP-ribose) polymerase-1 consumes NAD to catalyze poly(ADP-ribosyl)ation of target proteins, which modulates various biological functions. However, excessive poly(ADP-ribose) polymerase-1 activation mediates oxidative cell death. Our recent studies have indicated that NAD can enter into astrocytes to prevent poly...

journal_title：Neuroreport

authors： Zhu K,Swanson RA,Ying W

更新日期：2005-08-01 00:00:00

abstract：:The distribution of the enzyme NADPH diaphorase in the region of the periaqueductal gray (PAG) was studied in the rat, rabbit, cat, monkey and human. In each species, the enzyme labelled a small band of neurones located below the level of the aqueduct and directly above the supraoculomotor gray in the middle of the an...

journal_title：Neuroreport

authors： Carrive P,Paxinos G

更新日期：1994-11-21 00:00:00

abstract：:Evidences in the central nervous system are in favor that adenosine under basal conditions is released by a direct excitation-secretion modality. However, till now, there is no direct evidence that adenosine is contained in synaptic vesicles. Eight synaptic vesicle fractions were recovered on a discontinuous sucrose g...

journal_title：Neuroreport

authors： Corti F,Cellai L,Melani A,Donati C,Bruni P,Pedata F

更新日期：2013-12-04 00:00:00

abstract：:To investigate the possibility that insulin-stimulated glucose uptake in C6 cells is due to transactivation of a G protein-mediated pathway, the role of Gq alpha in insulin signaling was studied. Insulin stimulation of [3H]2-deoxy-D-glucose (2DG) uptake by C6 cells was time- and concentration-dependent: at a concentra...

journal_title：Neuroreport

authors： Singh SP,Gao Y,Kunapuli SP,Ravindra R

更新日期：1997-07-07 00:00:00

abstract：:The present study examined the effect of pre-exposure to a moderate dose of caffeine (20 mg kg-1) on the acquisition of self-administration of cocaine (0.125 mg kg-1/infusion or 0.25 mg kg-1/infusion) in the rat. Rats pre-exposed to caffeine acquired self-administration more rapidly. Furthermore, sensitization to coca...

journal_title：Neuroreport

authors： Horger BA,Wellman PJ,Morien A,Davies BT,Schenk S

更新日期：1991-01-01 00:00:00

abstract：:This study examined the long-term effects of the antidepressant escitalopram on rat serotonin (5-HT) neuronal activity and hippocampal neuroplasticity. In the dorsal raphe nucleus, a 2-week treatment with escitalopram (10 mg/kg/day, subcutaneous) did not modify the firing activity of 5-HT neurons, whereas a cotreatmen...

journal_title：Neuroreport

authors： Mnie-Filali O,Faure C,Mansari ME,Lambás-Señas L,Bérod A,Zimmer L,Sánchez C,Haddjeri N

更新日期：2007-10-08 00:00:00

abstract：:Serotonin (5-HT) is known to reduce apoptosis and in rodent models of brain ischemia. Modulation of programmed cell death during neural development was assessed in early postnatal brains of serotonin transporter (5-HTT) knockout mice, characterized by elevated extracellular 5-HT levels. The number of apoptotic cells v...

journal_title：Neuroreport

authors： Persico AM,Baldi A,Dell'Acqua ML,Moessner R,Murphy DL,Lesch KP,Keller F

更新日期：2003-03-03 00:00:00

abstract：:1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) neurotoxicity reproduces many of the features of Parkinson's disease (PD). alpha-Synuclein has been identified as a prominent component of the Lewy body (LB), the pathological hallmark of PD. MPTP-treated primates have been reported to develop intraneuronal inclusion...

journal_title：Neuroreport

authors： Kowall NW,Hantraye P,Brouillet E,Beal MF,McKee AC,Ferrante RJ

更新日期：2000-01-17 00:00:00

abstract：:Increased oxidative stress in the brain due to chronic ethanol consumption is known to result in a number of neurodegenerative changes. This study was designed to test whether dietary supplementation of grape polyphenols (GP) can offer protection to the neurodegenerative changes resulting from chronic ethanol consumpt...

journal_title：Neuroreport

authors： Sun GY,Xia J,Draczynska-Lusiak B,Simonyi A,Sun AY

更新日期：1999-01-18 00:00:00

abstract：:Tau protein phosphorylation has been implicated as a main process that regulates microtubule dynamics. A large number of tau isoforms is generated by phosphorylation through the action of a diversity of kinases. We have analysed variations in tau phosphorylation by two-dimensional gel electrophoresis, where a great he...

journal_title：Neuroreport

authors： Araujo HM,Sutton R,Moura Neto V

更新日期：1994-10-27 00:00:00

abstract：:Subcortical visual inputs to motion-selective cortex in primates survive after damage to the primary visual cortex (area 17/V1). Activation of human motion cortex was examined using scalp electrodes in a V1-damaged hemianope. Blind field motion-onset visual evoked potentials (VEPs) shared many of the characteristics a...

journal_title：Neuroreport

authors： Benson PJ,Guo K,Hardiman MJ

更新日期：1999-11-26 00:00:00

abstract：:The effects of a pharmacological blockade of the periaqueductal grey of the midbrain (PAG) on the elicitability of vocal fold movements from the facial motor cortex on the one hand and the anterior cingulate cortex and dorsomedial hypothalamus on the other were studied in the squirrel monkey. PAG blockade abolished vo...

journal_title：Neuroreport

authors： Jürgens U,Zwirner P

更新日期：1996-11-25 00:00:00

abstract：:Five patients with left visual neglect after right hemisphere lesions were examined with a line bisection and a reading task under five different conditions: head and trunk straight ahead, head or trunk oriented 20 degrees to the left and head or trunk oriented 20 degrees to the right. Fixation was always straight ahe...

journal_title：Neuroreport

authors： Schindler I,Kerkhoff G

更新日期：1997-08-18 00:00:00

abstract：:The present study was based on earlier findings that the observation of a coherently moving long bar induced gamma-band activity in humans. The power in the EEG-gamma-band was reduced during the presentation of two incoherently moving short bars. The present study demonstrates the replicability of this cortical activi...

journal_title：Neuroreport

authors： Müller MM,Junghöfer M,Elbert T,Rochstroh B

更新日期：1997-07-28 00:00:00

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：:A two-electrode voltage clamp was used to examine the effects of the local anaesthetics (LAs) lidocaine, tetracaine and bupivacaine, and the meta-isomer of lidocaine (LL33), on the gamma-aminobutyric acid (GABA)-gated Cl- channel in the crayfish stretch receptor neurone. The voltage-induced current changes were record...

journal_title：Neuroreport

authors： Nordmark J,Rydqvist B

更新日期：1997-01-20 00:00:00

abstract：:Cortical processes underlying perception of musical consonance were investigated by long-latency auditory evoked potentials (EPs). Subjects listened to a random sequence of dyadic pure tones paired at various pitch intervals (1, 4, 6, 7, or 9 semitones). Amplitudes of P2 and N2 components of auditory EPs were signific...

journal_title：Neuroreport

authors： Itoh K,Suwazono S,Nakada T

更新日期：2003-12-19 00:00:00

abstract：:When we perform a visually guided reaching action, the brain coordinates our hand and eye movements. Eye-hand coordination has been examined widely, but it remains unclear whether the hand and eye motor systems are coordinated during on-line visuomotor adjustments induced by a target jump during a reaching movement. A...

journal_title：Neuroreport

authors： Abekawa N,Inui T,Gomi H

更新日期：2014-05-07 00:00:00

abstract：:Using NADPH-diaphorase (NADPH-d) staining as a marker for the enzyme nitric oxide synthase (NOS) we investigated the possible sites of nitric oxide (NO) synthesis in the olfactory pathways of an insect brain. Staining of frozen sections revealed NADPH-d activity in neurones and in glial cells. A cluster of intensely s...

journal_title：Neuroreport

authors： Bicker G,Hähnlein I

更新日期：1995-01-26 00:00:00