Effects of ambient lighting on visual discrimination, forward masking and attentional facilitation.

abstract：:Electrophysiological differences between the shell and core of the rat nucleus accumbens were investigated by intracellular recordings from an in vitro slice preparation. The average input resistance of neurons recorded in the shell was larger than in the core. Neurons in the core were characterized by a more negative...

journal_title：Neuroscience letters

authors： Pennartz CM,Dolleman-Van der Weel MJ,Lopes da Silva FH

更新日期：1992-02-17 00:00:00

abstract：:In vivo electrochemistry was used to determine the effects of locally applied raclopride (a D2 receptor antagonist) and SCH-23390 (a D1 receptor antagonist) on the clearance of locally applied dopamine in the striatum, nucleus accumbens, and medial prefrontal cortex of rats. Chronoamperometric recordings were continuo...

journal_title：Neuroscience letters

authors： Cass WA,Gerhardt GA

更新日期：1994-08-01 00:00:00

abstract：:Release of endogenous polyamines may contribute to neuronal loss in ischemia and related conditions. Primary cortical neurons were exposed to spermine and spermidine and subsequently assayed for [3H]ouabain binding to quantify neuronal loss. Neuronal survival was significantly decreased in the presence of spermine at ...

journal_title：Neuroscience letters

authors： Fahey JM,Pritchard GA,Miller LG

更新日期：1993-10-14 00:00:00

abstract：:Chronic stress is well known to exacerbate pain. We tested the hypothesis that neonatal handling, which induces resilience to the negative impact of stress by increasing the quality and quantity of maternal care, attenuates the mechanical hyperalgesia produced by water-avoidance stress in the adult rat. Neonatal male ...

journal_title：Neuroscience letters

authors： Alvarez P,Levine JD,Green PG

更新日期：2015-03-30 00:00:00

abstract：:In vivo electrochemical techniques were employed to demonstrate that repeated treatment with classical antipsychotic drugs reduced basal dopamine (DA) release in the striatum and nucleus accumbens, whereas repeated treatment with atypical antipsychotics decreased DA release only in accumbens. Administration of apomorp...

journal_title：Neuroscience letters

authors： Blaha CD,Lane RF

更新日期：1987-07-22 00:00:00

abstract：:The Flinders Sensitive Line rats showed an increased immobility response by 104% (P<0.01) in the forced swim test with respect to the Flinders Resistant Line rats (control). The Flinders Sensitive Line rats also had an increase of [(125)I]galanin (porcine) binding in the dorsal raphe (55+/-3.3 fmol/mg protein) with re...

journal_title：Neuroscience letters

authors： Bellido I,Díaz-Cabiale Z,Jiménez-Vasquez PA,Andbjer B,Mathé AA,Fuxe K

更新日期：2002-01-11 00:00:00

abstract：:Intracellular recordings were performed in a midpontine slice preparation of the rat brain containing the mesencephalic trigeminal nucleus (MTN). In spite of the previous demonstration of an adenosine deaminase-containing plexus terminating on this nucleus, adenosine, adenosine 5'-triphosphate (ATP), alpha,beta-methyl...

journal_title：Neuroscience letters

authors： Regenold JT,Haas HL,Illes P

更新日期：1988-10-17 00:00:00

abstract：:Kainic acid (KA) has been largely used as a neurotoxin, and its axon-sparing effect being repeatedly emphasized, on the basis of anatomical and biochemical data. The present study examines this 'axon-sparing' effect from an electrophysiological point of view and demonstrates that lemniscal fibers retain the capacity t...

journal_title：Neuroscience letters

authors： Peschanski M,Briand A,Poingt JP,Guilbaud G

更新日期：1985-08-05 00:00:00

abstract：:The release of endogenous calcitonin gene-related peptide-like immunoreactivity (CGRP-LI) from slices of dorsal and ventral thoraco-lumbar spinal cord was examined using a fixed volume incubation technique and radioimmunoassay. Incubation with potassium (25-100 mM) produced a dose-related increase in basal CGRP-LI in ...

journal_title：Neuroscience letters

authors： Scott MA,Fone KC

更新日期：1994-07-04 00:00:00

abstract：:A comparison of the effect of fatigue caused by electrical induction or voluntary contraction on Ia inhibition in human soleus muscle was investigated in fourteen healthy male subjects. The Hoffmann reflex (H reflex) was employed to elucidate the contribution of fatigue induced contraction to the Ia inhibition. A stat...

journal_title：Neuroscience letters

authors： Tsuboi T,Sato T,Egawa K,Miyazaki M

更新日期：1995-09-01 00:00:00

abstract：:The psychostimulant amphetamine (AMPH) is known to act as an indirect dopamine agonist by promoting dopamine release. Here we demonstrate direct AMPH inhibition of field potentials and Na+ currents in rat nucleus accumbens (NAc) neurons. The experiments were done with field potential recordings from NAc slices and who...

journal_title：Neuroscience letters

authors： Huang RC,Lin JY

更新日期：1998-08-07 00:00:00

abstract：:The present study was designed to test the hypothesis that administration of low extracellular levels of magnesium ions ([Mg(2+)](o)) to primary cultured cerebral vascular smooth muscle cells will cause lipid peroxidation, degradation of IkappaB-alpha, and activation of nuclear transcription factor kappa B (NF-kappaB)...

journal_title：Neuroscience letters

authors： Altura BM,Gebrewold A,Zhang A,Altura BT

更新日期：2003-05-08 00:00:00

abstract：:Oxygen tension is critical for proliferation of human and murine midbrain-derived neural precursor cells (mNPCs). Lack of hypoxia-inducible factor-1α (HIF1α) impairs midbrain dopaminergic neurogenesis which could be rescued by vascular endothelial growth factor (VEGF) via VEGFR-2 signaling. Here, we conditionally inac...

journal_title：Neuroscience letters

authors： Hermann A,Loewenbrück KF,Boldt Ä,Fiedler C,Maisel M,Kalucka J,Schwarz J,Breier G,Storch A

更新日期：2013-10-11 00:00:00

abstract：:Argiotoxin636, a component of the spider venom of argiope species, was chemically synthesized together with a number of derivatives in order to analyse their blocking activity on mammalian glutamate receptors. Xenopus laevis oocytes injected with rat brain mRNA served as assay system. The results showed that argiotoxi...

journal_title：Neuroscience letters

authors： Draguhn A,Jahn W,Witzemann V

更新日期：1991-11-11 00:00:00

abstract：:We aimed to evaluate the effects of l-dopa use on apparent diffusion coefficient (ADC) values of different brain regions in Parkinson's disease (PD) patients. Thirty-five subjects underwent magnetic resonance imaging (MRI), including 21 PD patients (13 men, 8 women; mean age, 63 years+/-8), and 14 sex and age-matched ...

journal_title：Neuroscience letters

authors： Degirmenci B,Yaman M,Haktanir A,Albayrak R,Acar M,Caliskan G

更新日期：2007-04-18 00:00:00

abstract：:Antioxidants may delay or prevent neural diseases. Depletion of the non-enzymatic antioxidant, glutathione, in a mouse model was produced by inhibiting its rate-limiting enzyme, gamma-glutamylcysteine synthetase, for 7 weeks. Ileum and colon were obtained from treated and control (saline) mice. Glutathione levels and ...

journal_title：Neuroscience letters

authors： Koch TR,Fink JG,Ruan E,Petro A,Opara EC

更新日期：1997-10-10 00:00:00

abstract：:Changes in the planning and control of discrete aiming movements in response to the introduction and removal of the Ebbinghaus size-contrast illusion were examined. Movements were executed faster to targets that appeared larger following movement initiation. The differences in movement time were associated with the po...

journal_title：Neuroscience letters

authors： Handlovsky I,Hansen S,Lee TD,Elliott D

更新日期：2004-08-19 00:00:00

abstract：:The influence of transient forebrain ischemia on the temporal alteration of NMDA receptor (NMDAR1) mRNAs in the hippocampal formation was analysed by in situ hybridization, RNA blot and in vitro receptor autoradiography ([3H]3-((+)2-carboxypiperazin-4-yl)-propyl-1- phosphonic acid). In the CA1 subfield of the hippocam...

journal_title：Neuroscience letters

authors： Sugimoto A,Takeda A,Kogure K,Onodera H

更新日期：1994-03-28 00:00:00

abstract：:Stem cells are used to generate differentiated somatic cells including neuronal cells. Synthesis and release of acetylcholine, a neurotransmitter and widely expressed signaling molecule, were investigated in the murine embryonic stem cell line CGR8 during early differentiation, i.e. in the presence of leukemia inhibit...

journal_title：Neuroscience letters

authors： Wessler I,Michel-Schmidt R,Schmidt H,Kaltwasser S,Unger R,Kirkpatrick CJ

更新日期：2013-06-28 00:00:00

abstract：:This study explored whether patients with Parkinson's disease alter the regulation of upright standing according to constraints imposed by the environmental context. The provision of context-dependent adaptations was inferred from the presence of adjustments to standing postural control that would serve to reduce fall...

journal_title：Neuroscience letters

authors： Brown LA,Doan JB,Whishaw IQ,Suchowersky O

更新日期：2007-05-18 00:00:00

abstract：:Chlorogenic acid (CGA) is one of the most abundant polyphenol compounds in the human diet. Recently, it is demonstrated to have potent antinociceptive effect. However, little is understood about the mechanism underlying CGA analgesia. Here, we have found that CGA can exert an inhibitory effect on the functional activi...

journal_title：Neuroscience letters

authors： Qu ZW,Liu TT,Qiu CY,Li JD,Hu WP

更新日期：2014-05-01 00:00:00

abstract：:Recent evidence indicates that alterations in brain polyamine metabolism may be critical for nerve cell survival after a free radical initiated neurodegenerative process. It has been shown previously that A beta(1-42) and A beta(25-35) are toxic to neurons through a free radical dependent oxidative mechanism. Treatmen...

journal_title：Neuroscience letters

authors： Yatin SM,Yatin M,Aulick T,Ain KB,Butterfield DA

更新日期：1999-03-19 00:00:00

abstract：:In guinea pig hippocampal slices, 4-aminopyridine (4-AP) in concentrations of 100-500 microM reduced the adaptation of CA3 pyramidal neurons to depolarizing stimuli, resulting in a prolongation of repetitive firing during injection of long-lasting depolarizing currents. Concurrently, there was a decrease in the 'sag' ...

journal_title：Neuroscience letters

authors： Matsuda Y,Yoshida S,Fujimura K,Nakamura M

更新日期：1986-04-24 00:00:00

abstract：:To investigate the acute effects of whole-body cryotherapy (WBC) on postural control, we measured postural sway (COP) in a quiet stance with eyes open in four consecutive 20-second tests: before and 1, 6 and 11min after the WBC. Twenty-four healthy young subjects aged 19.3±0.9 were exposed to WBC (-110°C) for 2min. Th...

journal_title：Neuroscience letters

authors： Giemza C,Czech P,Paluszak A,Bieć E,Borzucka D,Kuczyński M

更新日期：2013-03-01 00:00:00

abstract：:Focal ischemia was induced in the fronto-parietal region of rat brain, by injection of Rose Bengal, followed by light activation. Focal ischemia was accompanied by formation of PGD(2) peaking 60-90 min post irradiation and declining thereafter. Increased Cycloxygenase-2 (COX-2) expression was also observed. Control is...

journal_title：Neuroscience letters

authors： Govoni S,Masoero E,Favalli L,Rozza A,Scelsi R,Viappiani S,Buccellati C,Sala A,Folco G

更新日期：2001-05-04 00:00:00

abstract：:Neuromuscular electrical stimulation (NMES) increases the excitability of corticospinal (CS) pathways by altering circuits in motor cortex (M1). How NMES affects circuits interposed between the ascending afferent volley and descending CS pathways is not known. Presently, we hypothesized that short-latency afferent inh...

journal_title：Neuroscience letters

authors： Mang CS,Bergquist AJ,Roshko SM,Collins DF

更新日期：2012-10-31 00:00:00

abstract：:The excitability of the motoneuron (MN) pool in the resting state was compared between normal control subjects and patients with spasticity resulting from HTLV-I-associated myelopathy, using a new parameter, Hslp/Mslp, and the conventional parameters Hmax/Mmax and Hth/Mth. Differences in the excitability of the MN poo...

journal_title：Neuroscience letters

authors： Funase K,Higashi T,Yoshimura T,Imanaka K,Nishihira Y

更新日期：1996-01-19 00:00:00

abstract：:To investigate potential trophic actions of extracellular ATP in human astrocytes, we have examined mitogenic signaling by purinergic receptors in cultures prepared from first trimester rostral central nervous system tissue. We found that ATP and ATPgammaS, a hydrolysis-resistant analog, stimulated DNA synthesis, ther...

journal_title：Neuroscience letters

authors： Neary JT,McCarthy M,Kang Y,Zuniga S

更新日期：1998-02-20 00:00:00

abstract：:Four patients following unilateral vestibular loss and four patients complaining of otolith-dependent vertigo were tested during eccentric yaw rotation generating 1 x g centripetal acceleration directed along the interaural axis. Perception of body tilt in roll and in pitch was recorded in darkness using a somatosenso...

journal_title：Neuroscience letters

authors： Clément G,Deguine O

更新日期：2010-01-04 00:00:00

abstract：:The human craniofacial muscles innervated by the facial nerve typically lack muscle spindles. However these muscles have proprioception that participates in the coordination of facial movements. A functional substitution of facial proprioceptors by cutaneous mechanoreceptors has been proposed but at present this alter...

journal_title：Neuroscience letters

authors： Cobo JL,Abbate F,de Vicente JC,Cobo J,Vega JA

更新日期：2017-02-15 00:00:00