Gray matter in amnestic mild cognitive impairment: voxel-based morphometry.

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：:In this study, an algorithm is introduced for the automatic detection and simultaneous topographic classification of interictal regional spike activity in pediatric surface EEG records. The algorithm is based on the classification of the topographic distribution of instantaneous power by means of a 'group' trained cla...

journal_title：Neuroreport

authors： Feucht M,Hoffmann K,Steinberger K,Witte H,Benninger F,Arnold M,Doering A

更新日期：1997-07-07 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：:Retinal gamma-aminobutyric acid type C (GABA[C]) receptors are believed to consist of rho subunits. The pharmacological properties of GABA(C) receptors appear to vary among different species. Since the mouse is an important model for gene targeting and behavioral studies, this study was aimed at cloning rho subunits i...

journal_title：Neuroreport

authors： Greka A,Koolen JA,Lipton SA,Zhang D

更新日期：1998-01-26 00:00:00

abstract：:Disturbances in methyl-carbon metabolism, which result in hyperhomocysteinemia, have been associated with schizophrenia. Homozygosity for the T677 allele of the methylenetetrahydrofolate reductase (MTHFR) gene, which encodes for a thermolabile enzyme associated with hyperhomocysteinemia, has been found to be increased...

journal_title：Neuroreport

authors： Virgos C,Martorell L,Simó JM,Valero J,Figuera L,Joven J,Labad A,Vilella E

更新日期：1999-07-13 00:00:00

abstract：:The aim was to study the effects of an NMDA receptor antagonist on caspase-3 activation and DNA fragmentation after hypoxia-ischemia (HI) in 7-day-old rats. Animals were treated with vehicle or MK-801 (0.5 mg/kg) directly after HI and sacrificed 8, 24 or 72h later. MK-801 reduced injury (by 53%), cells positive for ac...

journal_title：Neuroreport

authors： Puka-Sundvall M,Hallin U,Zhu C,Wang X,Karlsson JO,Blomgren K,Hagberg H

更新日期：2000-09-11 00:00:00

abstract：:Freshly dissected and dissociated subventricular zone cells from adult male mice were transplanted into the right cerebral cortex of adult female mice. Host mice were perfused 3 or 7 weeks later. To detect donor male cells, paraffin sections (10 microm) were hybridized in situ with a Y-chromosome-specific probe. Some ...

journal_title：Neuroreport

authors： Harvey AR,Symons NA,Pollett MA,Brooker GJ,Bartlett PF

更新日期：1997-12-22 00:00:00

abstract：OBJECTIVES:There are subclinical neurologic deficits in cirrhotic patients without overt hepatic encephalopathy. We aimed to use F-fluorodeoxyglucose PET/computed tomography to explore the impaired brain glucose metabolism of subclinical hepatic encephalopathy in cirrhosis. METHODS:Thirty-seven patients with hepatitis...

journal_title：Neuroreport

authors： Zhang W,Ning N,Li X,Li M,Duan X,Guo Y,Dang Y,Li Y,Gao J,Ye J,Yang J

更新日期：2019-08-07 00:00:00

abstract：:A bilateral spino-bulbo-spinal circuit conveys information from/to the male urogenital tract and perineal muscles. This is the first electrophysiological report of another descending pathway, one which conveys output from the medullary reticular formation (MRF) to activate postganglionic sympathetic fibers contained w...

journal_title：Neuroreport

authors： Johnson RD,Hubscher CH

更新日期：2000-02-07 00:00:00

abstract：:The distribution of c-fos proto-oncogene expression has been studied in the periaqueductal grey matter (PAG) of non-intentional-stimulated rats by immunohistochemistry. A mean number of 53 +/- 9 Fos-like immunoreactive cells per hemiPAG, distributed into three groups, dorsolateral, lateral and ventrolateral, was found...

journal_title：Neuroreport

authors： Valverde-Navarro AA,Olucha FE,García-Verdugo JM,Hernández-Gil T,Ruiz-Torner A,Martínez-Soriano F

更新日期：1996-11-04 00:00:00

abstract：:We investigated the mode of action of argiotoxin636 on isolated N-methyl-D-aspartate (NMDA) receptor channels in cultured cerebellar granule cells. We found that the toxin blocks NMDA channels by decreasing their opening probability and by inducing a flickering activity, in a voltage-dependent manner. Our results indi...

journal_title：Neuroreport

authors： Fagni L,Bockaert J

更新日期：1995-05-09 00:00:00

abstract：:The aim of the present study was to examine the effects of nicotinamide, a co-factor in the electron transport chain, on the relationship between methamphetamine (MA)-induced striatal dopamine (DA) depletion and energy metabolism change. Four injections of MA (10 mg/kg, i.p.) at 2 h intervals resulted in decreases of ...

journal_title：Neuroreport

authors： Huang NK,Wan FJ,Tseng CJ,Tung CS

更新日期：1997-05-27 00:00:00

abstract：:The effect of olfactory deprivation on cellular expression of the Bcl-2 gene in the olfactory bulb of young rats was investigated. Restriction of olfactory stimuli caused an overall increase in Bcl-2 mRNA expression, with increases seen in the lateral aspects of glomerular, external plexiform, mitral and granule cell ...

journal_title：Neuroreport

authors： Najbauer J,Ibrahim E,Leon M

更新日期：1995-12-29 00:00:00

abstract：:This study used electroencephalogram measurements to investigate the effects of aging on oscillatory theta modulation during an audiovisual discrimination task. By a wavelet-based time-frequency analysis, age-related theta oscillation response differences were observed within a relatively restricted time range (0-500 ...

journal_title：Neuroreport

authors： Yan T,Bi X,Zhang M,Wang W,Yao Z,Yang W,Wu J

更新日期：2016-08-03 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：:For the majority of neurones in cat striate cortex, the response to an optimal stimulus presented to one eye is suppressed when a stimulus of substantially different orientation is presented to the other eye. In order to determine the true orientational tuning of the underlying inhibitory interactions in the absence o...

journal_title：Neuroreport

authors： Sengpiel F,Freeman TC,Blakemore C

更新日期：1995-11-13 00:00:00

abstract：:Alpha oscillations during cognitive performance have mostly been studied in memory and/or basic attention tasks. This study investigates task-related alpha power desynchronization during an attentional switching task requiring higher executive attentional control. Low 8-10 Hz and high 10-12 Hz alpha power responses ar...

journal_title：Neuroreport

authors： Verstraeten E,Cluydts R

更新日期：2002-04-16 00:00:00

abstract：:Calcium increases induced by single action potentials in rat visual cortex layer II/III pyramidal neurons were shown to be augmented by muscarinic acetylcholine receptor (mAchR) stimulation. This augmentation was drastically reduced by intracellular injection of heparin but not ruthenium red, therefore involving inosi...

journal_title：Neuroreport

authors： Yamamoto K,Hashimoto K,Isomura Y,Shimohama S,Kato N

更新日期：2000-02-28 00:00:00

abstract：:Magnetoencephalography (MEG) was used to compare mismatch responses between hemispheres to changes in sound-source direction. Sixteen adults listened passively to two types of complex non-language sounds presented in separate blocks with midline standards and right- and left-lateralized deviants. Mismatch dipole ampli...

journal_title：Neuroreport

authors： Kaiser J,Lutzenberger W,Birbaumer N

更新日期：2000-09-11 00:00:00

abstract：:Calsenilin, a multifunctional Ca2+-binding protein, has been identified as an Alzheimer's disease-associated presenilin interactor. Here, we investigated the histochemical localization of calsenilin and its expression levels in the brains of sporadic Alzheimer's disease. Both messenger RNA and protein expression of ca...

journal_title：Neuroreport

authors： Jin JK,Choi JK,Wasco W,Buxbaum JD,Kozlowski PB,Carp RI,Kim YS,Choi EK

更新日期：2005-04-04 00:00:00

abstract：:To compare the maximum Hoffmann reflex (H-reflex) and the maximum M-wave (H : M) ratio of the H-reflex in men and women when all participants showed similar saliva levels of estradiol and progesterone. This is a cohort design study involving healthy men and women with a mean age of 22.4±3.4 years. The H : M ratio of t...

journal_title：Neuroreport

authors： Hoffman M,Norcross M,Johnson S

更新日期：2018-03-07 00:00:00

abstract：:The benzodiazepine, lorazepam enhances the efficiency of local, inhibitory GABA(A) synapses in the cortex, which stabilize postsynaptic, excitatory activity by synchronizing their own discharges at around 40 Hz. Treatment with lorazepam has also been shown to adversely influence detection performance in perceptual tas...

journal_title：Neuroreport

authors： Elliott MA,Becker C,Boucart M,Müller HJ

更新日期：2000-10-20 00:00:00

abstract：:High-resolution (< 50 microm) magnetic resonance imaging microscopy (MRM) has been used to identify brain regions and localization of excitotoxin-induced lesions in fixed rat brains, subsequently confirmed using standard histology. The anatomical extent of lesions identified by MRM was identical to that seen in histol...

journal_title：Neuroreport

authors： Lester DS,Lyon RC,McGregor GN,Engelhardt RT,Schmued LC,Johnson GA,Johannessen JN

更新日期：1999-03-17 00:00:00

abstract：:The present study examines whether or not prolactin-releasing peptide (PrRP) infused intracerebroventricularly (i.c.v.) affects sleep and the release of prolactin (PRL) and growth hormone (GH) in rats. At a dose of 0.1 nmol, PrRP promoted rapid-eye-movement (REM) sleep, whereas 1.0 nmol increased both non-REM and REM ...

journal_title：Neuroreport

authors： Zhang SQ,Inoué S,Kimura M

更新日期：2001-10-29 00:00:00

abstract：:Adenosine has an anticonvulsant effect in various models of epilepsy. This effect appears to be mediated through the activation of adenosine A1 receptors (A1Rs). We immunohistochemically investigated the changes of A1Rs expression in kainate-treated and hippocampus-kindled rats as chronic models of epilepsy. In the no...

journal_title：Neuroreport

authors： Ochiishi T,Takita M,Ikemoto M,Nakata H,Suzuki SS

更新日期：1999-11-26 00:00:00

abstract：:This study aimed at obtaining evidence that cinchophen, an ulcerogenic drug, stimulates the corticotropin-releasing hormone (CRH)-secreting cells in the paraventricular nucleus of the hypothalamus (PVH) to induce c-Fos expression. Without colchicine pretreatment, cinchophen was injected i.p. 60 min before the time of ...

journal_title：Neuroreport

authors： Jingu H,Miura M

更新日期：1996-11-04 00:00:00

abstract：:Blockade of L-type Ca2+ channels results in a decrease in firing frequency of neostriatal neurons. In contrast, N- and P/Q-types of Ca2+ channel cooperate to tune firing pattern, since both of these channel types have to be blocked to enhance firing frequency. Parameters of the intensity-frequency plot were differenti...

journal_title：Neuroreport

authors： Pérez-Garci E,Bargas J,Galarraga E

更新日期：2003-07-01 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：:Multiple signal classification is an alternative to the traditional dipole fitting source analysis methods. Our aim was to assess the clinical usefulness of this algorithm and to compare the localization of the epileptiform electroencephalography discharges with the regions of altered cerebral blood flow in 10 patient...

journal_title：Neuroreport

authors： Beniczky S,Oturai PS,Alving J,Sabers A,Herning M,Fabricius M

更新日期：2006-08-21 00:00:00

abstract：:GLYX-13 (threonine-proline-proline-threonine-amide) is an amidated di-pyrrolidine that acts as a functional partial agonist at the glycine site on N-methyl-D-aspartate glutamate receptors (NMDARs). GLYX-13 can both increase NMDAR conductance at NR2B-containing receptors, and reduce conductance of non-NR2B-containing r...

journal_title：Neuroreport

authors： Stanton PK,Potter PE,Aguilar J,Decandia M,Moskal JR

更新日期：2009-08-26 00:00:00